HomeMy WebLinkAboutWetland Delineation 001284006 (2)
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I A LANDAU
.~ ASSOCIATES
JUL 2 3 2008
June 21, 2005
JEffERSON COUNn UW
E
U.S. Army Corps of Engineers
Seattle District Regulatory Branch
Post Office Box 3755
Seattle, Washington 98124-3755
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PORT OF PORT TOWNSEND
ADMINISTRATION OFFICE
Attn: Jessica Winkler
RE: FORMAL JURISDICTIONAL DETERMINATION REQUEST FOR
JEFFERSON COUNTY INTERNATIONAL AIRPORT
PORT TOWNSEND, WASHINGTON
Dear Ms. Winkler:
As an authorized agent of the Port of Port Townsend, I am requesting that the U.S. Army Corps
of Engineers (USACE) conduct a preliminary jurisdictional detemllnation to re-verify onsite wetland
boundaries at the Jefferson County International Airport (JCIA). The USACE had originally verified
onsite wetlands in 1997.
As a brief summary of wetland identification on the JCIA:
Two previous wetland delineations were conducted at JCIA by Pacific Rim Soil & Water, Inc
(PRSW). The first delineation was completed in August 1996 on the western portion of the site and the
second in December 1998 over the entire site. After both the 1997 and 1998 wetland delineations, PRSW
met with representatives from the USACE (Jack Gossett and T.J. Stetz in 1997 and Gossett, Stetz, and
Paul Hamidi in 1998) to review the wetland delineation .boundaries. As a result of those meetings,
wetland boundaries were verified as documented in the Memorandum for Record: Field Review and
Jurisdictional Summary - Confirmed Wetland Boundaries, Reference Number: 97-4-01740. ill all, 14
wetlands were identified and confirmed by the USACE (see Appendix B in the enclosed Wetland
Delineation Report).
In the spring of 2002, Landau Associates wetland biologists conducted a field verification for the
airport area location between State Route (SR) 20 and SR 19 involving 10 of the 14 previously identified
wetlands (see Figure 2 in the enclosed Wetland Delineation Report). An additional parcel adjacent to this
area had been recently purchased by the Port of Port Townsend and was ~lso investigated during the 2002
verification. Landau Associates verified that 6 of the 10 wetland boundaries (Wetlands A, C, E, H, I, J,
and M) had not changed, one (Wetland D) had a slight change in the boundary, and one (Wetland K) no
longer met the three USACE parameters. One newly identified 'wetland was identified and delineated on
the newly acquired.parcel and is part of the previously delineated Wetlands C and I (Figure 2 in the
ENVIRONMENTAL I GEOTECHNICAL I NATURAL RESOURCES
130 2nd Avenue South . Edmonds, WA 98020 . (425) 778-0907 . fax (425) 778-6409 . www.landauinc.com
SEATILE . SPOKANE. TACOMA. PORTLAND
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enclosed Wetland Delineation Report). Recent photographs (taken March -April 2005) of each of the
wetland areas are attached, including a key showing the location and direction in which each photograph
was taken.
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The Port of Port Townsend is beginning to implement development plans at the airport as part of
their 2002 Master Plan Update for the JCIA. The development plan includes construction of a museum
for which grading has already begun. In addition, construction of seven hangars with associated
taxiways, and a stormwater pond is tentatively scheduled to begin in the summer of 2005 (late July to
early August). The proposed museum, hangars, and taxiways will be located near the northwestern edge
of Wetland A and will stay entirely out of the wetland and the wetland buffer. During construction of the
hangars and taxiways, a temporary haul road will be established through a narrow lobe of Wetland A at
the southeastern end of the wetland (approximately 20 ft wide and less than 100 ft long through the
wetland). Steel plates will be laid over the wetland and the wetland buffer to provide protection to these
areas and allow access to the construction area. The stormwater pond will be an extension of the south
arm of the airport's existing stormwater pond (Wetland M). The grade of Wetland M will not be changed
and no fill will be placed in Wetland M. The bottom elevation of the new stormwater pond area will be
higher than that of Wetland M so that Wetland M will not be dewatered. Permits have been obtained
from Jefferson County for all of these development plans.
. I understand that you may decide that a site visit is not necessary to re-verify the wetland
boundaries at the airport. However, should you decide to make a site visit, I am also requesting that I be
present when you are on the site in order to provide yo.u with information regarding the site and the
delineation. Please call to let me know what date you will be conducting the site visit.
I look forward to meeting you in person.
FECEr\vED
LANDAU ASSOCIATES, INC.
~6V~ ~~4-'
JUL 2,3 2008
Diane Brewster
Senior Wetlands Ecologist
Jtrr tH$UN CUUI~ IY lJ CO
DLB/ccy
Enclosures
cc: Jim Pivarnik, Port of Port Townsend (with 1 copy of enclosure)
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06/21/05 S:\PROJECTS\304005\FR\RIRequest for Wetiand Verificationjtr.doc
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LANDAU ASSOCIATES
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"'NOT FOR PRODUCTION'" Port of Port townsend/Jefferson County/ln!'1 Airport I T'\304\005\011\Revised Wetland Delineation ReportlAttachment1 dwg (Al "Attachment 1" 6/21/2005
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1. Wetland A - Location 1
2. Wetland A - Location 2
Jefferson County
International Airport
Port Townsend, Washington
Photos
Selected Site Photographs
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Jefferson County
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Port Townsend, Washington
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Jefferson County
International Airport
Port Townsend, Washington
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Selected Site Photographs
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Jefferson County
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Port Townsend, Washington
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Port Townsend, Washington
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IA LANDAU
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RECEIVED
JUN 2 2 2005
PORT OF PORT TOWNSEND
ADMINISTRATION' OFFICE
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COUNTY
DEVELOPMENT
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Revised Wetland Delineation Report
Jefferson County International Airport
Port Townsend, Washington
June 15, 2005
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Prepared for
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Port of Port Townsend
333 Benedict Street
P.O. Box 1180
Port Townsend, Washington
JUL 2 3 200B
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I A LANDAU
" ASSOCIATES
130 2nd Avenue South
Edmonds, WA 98020
(425) 778-0907
e TABLE OF CONTENTS
Page
1.0 INTRODUCTION 1-1
2.0 METHODS 2-1
3.0 RESULTS 3-1
3.1 WETLAND A 3-1
3.2 WETLAND C 3-2
3.3 WETLAND D 3-3
3.4 WETLAND E 3-4
3.5 WETLAND H 3-5
3.6 WETLAND I 3-5
3.7 WETLAND I EXTENSION - NEW 3-6
3.8 WETLAND J 3-7
3.9 WETLAND K 3-7
3.10 WETLAND L 3-8
3.11 WETLANDM 3-8
4.0 FUNCTIONAL ASSESSMENT 4-1
5.0 CRITICAL AREA REGULATIONS 5-1
5.1 WETLAND REGULATIONS 5-1
5.1.1 Local Regulations: Jefferson County 5-1
5.1.2 Washington State Department of Ecology 5-2
e 5.1.3 U.S. Army Corps of Engineers 5-2
5.2 SENSITIVE, THREATENED, AND ENDANGERED SPECIES REGULATIONS 5-3
5.3 RECOMMENDATIONS CONCERNING REGULATORY CONSTRAINTS 5-4
6.0 USE OF TIllS REPORT 6-1
7.0 REFERENCES 7-1
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06115/05 S:\PROJECTS\304\OO5\File Room\Wetland Dellneation_rpl.doc
ii
LANDAU ASSOCIATES
Figure
1
2
Table
1
2
3
4
LIST OF FIGURES
Title
Vicinity Map
2002 Wetland Survey Map
LIST OF TABLES
Title
Wetland Characteristics and Buffers in the Jefferson County mternational Airport Study Area
Wetland Functional Performance Assessment for the Jefferson County International Airport
Study Area
Replacement Ratios for Compensatory Wetland Mitigation - Jefferson County
Replacement Ratios for Compensatory Wetland Mitigation - Washington State Department
of Ecology
LIST OF APPENDICES
Appendix Title
A
B
C
D
E
Washington State Department of Ecology Wetland Rating Forms
Pacific Rim Soil & Water 1998 Wetland Delineation Report
Wetland Delineation Methodology
2002 Wetland Data Sheets
Wetland and Buffer Semi-Quantitative Functional Assessment Forms
06/15/05 S:\PROJECTS\304\OO5\File Room\Wetiand Delineation_rpt.doc
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1.0 INTRODUCTION
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This report updates the 2002 wetland delineation report (Landau Associate's 20(2), prepared as
part of the 2002 Port of Port Townsend Airport Master Plan Update. In compliance with the Jefferson
County Unified Development Code (JCUDC), wetlands were classified during the 2002 delineation using
the Wetland Rating System for Western Washington (Ecology 1993), which was the current rating system
at the time of that investigation. This rating system was based on a point system derived from a series of
questions in regard to wetland habitat and land use surrounding the wetland. In 2004, the Washington
State Department of Ecology (Ecology) revised the 1993 Wetland Rating System for Western
Washington (Hruby 2004). The rating system was refined to reflect progress made in understanding how
wetlands function and how well a given wetland performs those functions. In addition, the 1993 rating
system weighted the evaluation heavily on habitat functions. The 2004 rating system is now equally
based on habitat functions, hydrologic functions (such as flood storage and erosion reduction), and water
quality functions (sediment retention, nutrient removal, and toxic compound removal). In a comparison
of the 1993 rating system to the 2004 rating system, Ecology found that a majority of wetlands received a
lower rating under the new system (Hruby 2004). All information in this report regarding wetland
boundaries and characteristics remains the same as the 2002 report, only the discussion of the wetland
ratings and the buffers assigned by Jefferson County has changed. The rating form for each wetland is
provided in Appendix A.
On May 7 and 8, 2002, Landau Associates wetland biologists conducted a field review of the
previous wetland delineation presented in the 1998 Pacific Rim Soil & Water, Inc. (PRSW) report. The
study area for this investigation consisted of the central area of intensively managed airport property in
the Jefferson County International Airport (JCIA) complex (Figure 1), located approximately 3~ miles
south of Port Townsend, Washington, in Section 33, Township 30 North, Range 1 West, W.M. This
study was conducted in the area that lies between State Route (SR) 20 and SR 19, excluding a parcel
(Jefferson County parcel number 001331005) recently acquired by the Port of Port Townsend, located
just south of the managed area. Additional JCIA property located east and west of the central active
airport area was not part of this study.
JCIA lies within a broad swale, approximately 100 ft above sea level, and is located between
areas of higher elevation to the north and south. One paved runway runs approximately east-west along
the base of the swale with an adjacent abandoned grass runway located to the north. In the northwestern
portion of the site are eight hangars, two taxiways, a refueling station, and several commercial and
maintenance buildings. Most of the study area is maintained grassland, with forested habitat in the
northwestern and northeastern portions of the site.
06/15/05 S:\PROJECTS\304\OO5\File RoomlWetland Delineation_rpt.doc
1-1
LANDAU ASSOCIATES
The study area contributes to the headwaters of a small, unnamed tributary to lower Chimacum
Creek. An extensive drainage system, consisting of a drain tile system in the northeastern portion of the
site, drains into the ditches that run parallel to the runway (Appendix B; see the Drainage Facilities
Diagram in Appendix III of the 1998 PRSW report). The runway area then drains into a large detention
pond at the eastern end of the runway, which drains under SR 19 into a narrow swale that eventually
flows into Chimacum Creek.
National Wetland Inventory maps do not show wetlands within the area examined for this site.
Two previous wetland delineations were conducted at JCIA by PRSW. The first was completed in
August 1996 on the western portion of the site and the second in December 1998 for the entire site.
During the latter delineation, a hydrology study was conducted during the 1996-1997 winter season to
verify the areas where the water table level persisted 12 inches or less below ground surface (BGS) for 2
continuous weeks. This information was used to determine wetland boundaries in the northeastern
portion of the site. In all, 10 wetlands were identified, and confirmed by the U.S. Army Corps of
Engineers (USACE), within the current study area. These wetlands lie to the west of the runway, south of
the existing hangars, west of the entrance road, east of the tiedown area, and east and southeast of the
runway (Appendix B; see the Base Map of Topography and Wetland Areas in Appendix III of the 1998
PRSW report). In conjunction with the 1996 wetland delineation, the USACE authorized 0.99 acre offill
for a hangar construction project under Nationwide Permit 26. An additional 0.36 acre of wetland fill was
authorized by USACE following the 1998 delineation to complete the hangar project.
The USACE regulates drainage ditches that were constructed in areas that were once wetlands or
that are currently surrounded by wetlands. As a result, some of the drainage features at JCIA are under
USACE jurisdiction. For clarification regarding which drainage features at JCIA are regulated by
USACE, see pages 7 and 8 of the 1998 PRSW report (Appendix B).
.....~
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06/15105 S:IPROJECTSI3041005\File RoomlWetland Delineetion_rpt.doc
1-2
LANDAU ASSOCIATES
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.. Diane Brewster and Rone Brewer of Landau Associates conducted a field reVIew of the
previously delineated wetlands located within the study area on May 7 and 8, 2002. During the
delineation review, they also flagged a wetland area that had not been previously identified. The review
and delineation were done using the USACE Wetland Delineation Manual (USACE 1987), and
supplemented with the Ecology Wetland Identification and Delineation Manual (Ecology 1997). The
routine determination was used because the wetland areas have a homogeneous vegetation, soil, and
hydrologic regime. Appendix C provides a complete description of the methodology used in this
investigation.
Over most of the site, metal poles marking the location of the original wetland flagging from
1998 were still evident. m those wetlands where the poles were missing, the extent of the wetland was
determined using the wetland map from the December 1998 report (Appendix B) and supporting
observations to locate the wetland edge. The presence or absence of metal poles is discussed in each
wetland description in Section 3.0.
m each previously delineated wetland, sample plots were established in each plant community to
compare the 2002 conditions with the 1997 conditions. For each sample plot, data on vegetation, soils,
and hydrology were collected and compared to the data collected during the 1997 delineation. This
information was used to determine any changes in wetland boundaries. Numerous additional sample
plots were examined throughout each wetland, generally on the wetland and upland side of the metal
poles, to verify the wetland edge. Changes in existing wetland boundaries were flagged and described in
field notes. Wetland data sheets (Appendix D) were completed only for those areas where wetland
boundaries had changed since the 1998 delineation and for the newly delineated wetland. The data sheets
from the 1998 PRSW report are included in Appendix B.
For the newly identified wetland area, representative sample plots were selected within each plant
community to define the wetland habitat. Data on vegetation, soils, and hydrology were collected at each
point and recorded on the USACE 1987 routine wetland investigation data form. Upland plots adjacent to
wetland plots were used together to more accurately determine the ~etland boundary. The wetland edge
was determined where the following three parameters were met: 1) the dominant plant species were
considered hydrophytic by the U.S. Fish and Wildlife Service (USFWS; Reed 1998, revised 1993); 2)
soils were considered hydric under federal definition; and 3) hydrologic conditions meeting the federal
wetland defmitions were present or inferred. The wetland boundary was marked with pink flagging
printed with the words "Wetland Boundary." To distinguish these flags from other flags in this area, each
flag was marked with the letters "LA" and the date "5/7102," then numbered sequentially from 1 to 40.
06/15/05 S:\PROJECTS\304\OO5\Rle Room\Wetland Delineation_rptdoc
2-1
LANDAU ASSOCIATES
These flags were surveyed in October 2002 and the new boundaries were included in the new wetland
map (Figure 2).
Wetland ratings and buffer widths are presented in Section 3.0. As required by the JCUDC,
wetlands were classified using the Wetland Rating Systemfor Western Washington (Hruby 2004). A brief
site visit was conducted on March 21, 2005 to verify current wetland conditions for completion of the
revised wetland rating system. Wetland buffers were determined according to the JCUDC 18.15.340
(5)(e) and Table 3-4, where the higher the wetland rating, the greater the buffer width, ranging from 25 ft
for low quality, small wetlands, to a maximu~ of 150 ft for high quality or rare wetlands.
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06115/05 S:\PROJECTS\304\005\Rle Room\We~and Delineation_rpt.doc
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3.0 RESULTS
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..... . ,~, I v y ~he weather during the site visit was clear and cool (ranging from approximately 400 to 600F).
According to the National Oceanic and Atmospheric Administration, the water year to-date precipitation
was slightly above to above normal for the Puget lowlands of western Washington. Although the weather
was dry during this study, it had rained heavily the day before.
A detailed discussion of general site conditions for vegetation, soils, and hydrology is given in the
1998 PRSW report (Appendix B).
Of the 10 previously identified wetlands, 6 were verified as having the same boundaries
(Wetlands A, E, H, J, L, and M), one had a slight change in boundary (Wetland D), one no longer meets
the three wetland parameters (Wetland K), and two (Wetlands C and I) were connected as part of one
larger wetland system via the one newly identified wetland (Wetland I Extension). A brief description of
each wetland is provided below, including any observed changes in the wetlands identified in 1998.
Table 1 provides a summary of wetlands and their size, habitat type( s), category, and buffer requirement.
3.1 WETLAND A
Wetland A, comprising 11 acres, was located across a long gentle slope in the northeastern
portion of the study area. The majority of the wetland was palustrine emergent habitat, with a narrow
e strip of palustrine scrub-shrub and forested habitat along the northern edge. The soils and vegetation
observed in this wetland matched the description in the 1998 PRSW report. The emergent community
was primarily composed of mixed grasses, with scattered tall buttercup (Ranunculus acris, FACW-),
Baltic rush (Juncus balticus, FACW+), Canada thistle (Cirsium arvense, FACU+), pea-fruit rose (Rosa
pisocarpa, FAC), and patches of common cattail (Typha latifolia, OBL). Soils were a sandy loam; very
dark gray (lOYR 3/1) from 0 to 5 inches BGS and below that, a dusky red (2.5YR 3/2) with common,
medium, and distinct mottles.
The scrub-shrub habitat was dominated by a nearlymonotypic stand of densely growing pea-fruit
rose, with a narrow fringe of red alder (Alnus rubra, FAC), ornamental cherry (Prunus sp. NI), western
serviceberry (Amelanchier alnifolia, FACU), and willow (Salix sp.) along the northern edge. The forested
habitat was dominated by western hemlock (Tsuga heterophylla, FACU) with a very sparse understory of
western crabapple (Malus fusca, FACW), red alder, and western hazelnut (Corylus cornuta, FACU). The
. ground layer in the forest was nearly bare, with. a few small patches of slough sedge (Carex obnupta,
OBL). Soils in this portion of the wetland were a very dark gray (lOYR 3/1) loam, saturated to the
surface.
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06/15/05 S:\PROJECTS\304\005\Rle Room\We~and Delinealion_rpl.doc
3-1
LANDAU ASSOCIATES
During previous delineations, the presence of wetland hydrology migrated up and down the slope
along the southern edge of Wetland A by as much as 100 ft, depending on rainfall. Piezometers were
used during the 1998 delineation to monitor the hydrology and determine the wetland edge. During this
investigation, the hydrology matched the 1998 delineation along most of the wetland boundary, with the
exception of a portion of the southwestern edge. However, because the groundwater table is highly
variable in this area and this investigation lasted only 2 days, it was not sufficient to either verify or
change the wetland edge based on hydrology.
Most of the metal poles indicating the wetland edge were present. Several poles at the
southeastern portion of the wetland had been removed to maintain a safe emergency landing area in the
vicinity of the old unpaved runway. Sample plots taken at the marked edge of this wetland indicated that
the boundaries were the same as those delineated in 1998. The southern edge of the wetland was assumed
to be correct, based on past hydrologic monitoring. Because Wetland A is contiguous with Wetland M,
the rating for this area includes both of these wetlands. The combined Wetland AIM is approximately 14
acres in size and received a score of 17, using the Ecology rating system (Appendix A), which is
considered a Category IV wetland. Jefferson County requires a 25-ft buffer for Category IV wetlands.
3.2 WETLAND C
Wetland C, comprising approximately 6 acres, was located between the western end of the
runway and SR 20. In general, the vegetation, soils, and hydrology of this wetland matched the
description in the 1998 PRWS report, including palustrine emergent and palustrine scrub-shrub habitat.
No areas of palustrine open water were observed during this investigation; however, scrub-shrub habitat
at the western end of the runway had pockets of standing water.
The only observed difference in current conditions from those described in the 1998 PRSW report
was in the northwestern portion of the wetland, where it appeared that some vegetation clearing had
occurred. The shrub layer in this area was dominated by pea-fruit rose that was a maximum of a few feet
in height during this investigation. Common velvetgrass (Holcus lanatus, FAC), bluegrass (Poa sp.
FAC), and scouring-rush (Equisetum hyemale, FACW) were dominant in the ground layer. Other species
in this area included salmonberry (Rubus spectabilis, FAC+) seedlings, soft rush (Juncus effusus,
FACW), bigleaf sedge (Carexamplifolia, FACW+), daggerleaf rush (Juncus ensifolius, FACW), foxtail
(Alopecurus sp., FACW), and tall buttercup. Soils in this area were a black (lOYR 2/1) silt loam to 8
inches BGS and a dark gray (lOYR 4/1) loamy sand below. Groundwater was encountered at 2. inches
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Upland vegetation surrounding most of the wetland was composed of a 'i)?,~nt1Jass~~uewass/
fescue grass mix, with scattered Oregon grape (Berberis nervosa, NI), brackenfern ~te'riJtu~ ifqit'ttinum,
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FACU), and Scot's broom (Cytisus scoparius, NI) intermixed. Upland soils were a very dark brown
(7.5YR 2/3) loam to 14 inches BGS. Below that depth, soil was composed of coarse sand. Soils were
barely moist at 24 inches BGS.
With the exception of the northwestern portion, all of the metal poles indicating the wetland edge
were present. Sample plots taken at the marked edge of this wetland indicated that the boundaries were
the same as those delineated in 1998; however, the newly delineated wetland (Wetland I Extension) is
contiguous with the northwestern edge of Wetland C and continues east to merge with Wetland I, forming
one large wetland complex from these two wetlands that were previously delineated as separate systems.
The discussion of the wetland category rating for this larger wetland complex can be found in Section 3.7.
3.3 WETLAND D
Wetland D, comprising 0.18 acre, was located on the slope in the southeastern corner of the site.
The plant community was still composed of obligate and facultative-wet species, but had changed
composition from the predominantly common cattail and slough sedge community documented in the
1998 PRSW report. Currently, no one species dominates the emergent plant community, which is
composed of patches of slough sedge, soft rush, daggerleaf rush, bigleaf sedge, northern clustered sedge
(Carex arcta, OBL), largeleaf avens (Geum marcophyllum, FACW-), and Baltic rush, with one small
area of common cattail. The wetter portions of the wetland support Pacific willow (Salix lucida,
FACW+), with Scouler willow (Salix scouleriana, FAC) along the edges.
The 1998 PRSW report states that the soils did not meet the soils criteria. However, since 1998,
the soils have developed wetland characteristics. Soil samples taken in the western portion of the wetland
revealed gray (lOYR 5/1) silt loam to 8 inches BGS with common, medium, prominent mottles that were
a strong brown (7.5YR 5/8). Below 8 inches BGS, soils were a grayish brown (lOYR 5/2) clay loam with
yellowish brown (lOYR5/8), common, fine, distinct mottles.
No groundwater was encountered; however, evidence of ponding in this area was observed.
Thus, wetland hydrology was assumed.
All of the metal poles indicating the wetland edge were present. A northwestern lobe of the
wetland that was staked for the 1998 delineation was later determined to be upland by USACE. The plant
community in this upland area was composed of the typical upland grass community of bluegrass, fescue
(Festuca sp., FAC-FACU), and bentgrass (Agrostis sp., FAC-FACW), with scattered smooth hawksbeard
(Crepis capillaris, NI) and oxeye daisy (Leucanthemum vulgare, NI). Sample plots taken at the marked
edge of this wetland indicated that the wetland boundaries determined by USACE are mostly the same as
those delineated in 1998. One new flag was hung to extend the boundary by approximately 5 ft along the
southern edge of the wetland. Wetland D received a score of 16 using the Ecology rating system and is
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LANDAU ASSOCIATES
considered a Category IV wetland (Appendix A). Jefferson County typically does not regulate ~ategory
IV wetlands under 10,000 square feet (ft2); therefore, because Wetland D is 7,841 fe, the County will
likely not require a buffer.
3.4 WETLAND E
Wetland E, comprising 0.08 acre, was located at the toe ofthe slope on the western side of SR 19,
just northeast of Wetland D. It was located within a slight topographic depression that had compacted
soils. The emergent plant community had changed from the soft rush and slough sedge community
documented in the 1998 PRSW report to a grass-dominated community. During the current investigation,
soft' rush comprised only 10 percent of the community and slough sedge only 2 percent. Red fescue
(Festuca rubra, FAC+), bluegrass, and bentgrasses now dominate this wetland. The scattered patches of
common plantain (Plantago lanceolata, FAC), self-heal (Prunella vulgaris, FACU+), Canada thistle,
largeleaf avens, northern clustered sedge, foxtail, and field horsetail (Equisetum arvense, FAC) indicated
that this area is ponded during the early part of the year and dries out later in the season. Scattered
individuals of Douglas spirea (Spiraea douglasii, FACW), black twinberry (Lonicera involucrata,
FAC+), red alder saplings and black cottonwood (Populus balsamifera, FAC) saplings occurred along its
eastern portion.
A soil sample observed in the northern end of the wetland revealed very dark gray (lOYR 3/1),
sandy, silty loam with yellowish brown (lOYR 5/4) mottles to a depth of 4 inches BGS. Below 4 inches
BGS, soils changed to a weak red (2.5YR 5/2) sand with yellowish brown mottles. The adjacent upland
soils matched the data collected during the 1998 study, with very dark grayish brown (lOYR 3/2) and
weak red (2.5YR 5/3) gravelly sandy loams. Mottling was not observed in the upland soils.
Although the soils here were very moist, but not saturated, other indications of wetland hydrology
were observed. These included areas of algal matting and bare ground, and evidence of surface water
ponding.
All of the metal poles indicating the wetland edge were present. Sample plots' taken at the
marked edge of this wetland indicated that the boundaries were the same as those delineated in 1998.
Using the Ecology rating system, Wetland E received a score of 16 and was determined to be a Category
IV wetland (Appendix A). Jefferson County typically does not regulate Category IV wetlands under
10,000 ft2; therefore, because Wetland E is 3,485 ft2, the County will likely not require a buffer.
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WETLAND H
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Wetland H, comprising 0.14 acre, was located in a narrow linear swale on the slope southwest of
the runway. The vegetation observed during this investigation differed slightly from the community
described in the 1998 PRSW report. The ground layer had changed from a dominant soft rush
community to a dominant bluegrass and bentgrass community, with scattered patches of soft rush. The
upland ground layer was characterized by a bluegrass/bentgrass/Canada thistle community. The black
cottonwood seedlings in the southern end of the wetland that were observed in 1998 were now saplings,
with an open understory of pea-fruit rose.
The soils observed in this area matched the 1998 soil data. They had a cemented substrate within
a few inches of the surface and were a grayish brown (lOYR 3/2) gravelly sandy loam with oxidized
rhizospheres present. The adjacent upland soils were a dark brown (lOYR 3/3) gravelly sandy loam, with
the texture changing to a fine sand below 14 inches.
Soils were dry during this investigation and no groundwater was observed. However, because
oxidized rhizospheres were observed, hydrology was assumed for this wetland. Because the ground layer
had changed from predominantly soft rush, a facultative-wet species, to a predominantly facultative
community of grasses, this area may be becoming drier. Observation of the groundwater table earlier in
the growing season could establish whether wetland hydrology still exists in this area.
All of the metal poles indicating the wetland edge were present. Sample plots taken at the
marked edge of this wetland indicated that the boundaries were the same as those delineated in 1998.
Using the Ecology rating system, Wetland H received a score of 9 and was determined to be a Category
IV wetland (Appendix A). Jefferson County typically does not regulate Category IV wetlands under
10,000 ft2; therefore, because Wetland H is 6,099 ft2, the County will likely not require a buffer.
3.6 WETLAND I
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Wetland I, comprising 0.5 acre, was located at the toe of the slope just northwest of the hangars.
Palustrine emergent habitat occurred throughout most of this wetland, with a strip of palustrine scrub-
shrub and forested habitat along the western edge. The vegetation observed during this investigation
differed somewhat from the community described in the 1998 PRSW report. The ground layer had
changed from a dominant soft rush and sedge community to a community dominated by, bluegrass and
bentgrass in the eastern portion, and by scouring-rush in the western portion. Douglas spirea and peafruit
rose dominated the scrub-shrub habitat, and quaking aspen (f.qpulus tremuloides, FAC+) dominated the
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Soils matched those described in the 1998 PRSW report and consisted of a gravelly sandy loam.
At 0 to 6 inches BGS, they were black (lOYR 2/1) and below that, weak red (2.5YR 5/2) with mottles.
Soils, which were moist throughout the wetland during this investigation, became wetter in the
northwestern portion, with a small area of standing water in the forested habitat.
Most of the metal poles indicating the wetland edge were present. Several poles on the southern
edge of the wetland were missing. Sample plots taken along the marked edge of this wetland indicated
that the boundaries were the same as those delineated in 1998. The newly delineated wetland (Wetland I
Extension) is contiguous with the northwestern edge of this wetland and continues west to merge with
Wetland C, forming one large wetland complex that was previously delineated as two separate systems.
The discussion of the wetland category for this larger wetland complex is found in Section 3.7.
3.7 WETLAND I EXTENSION - NEW
This approximately 0.5-acre wetland area was situated at the toe of the slope in the northwestern
portion of the site. It forms the middle portion of the larger wetland system that includes Wetlands C
and I.
Wetland I Extension was a palustrine forest system, with a small area of palustrine scrub-shrub
habitat where it met Wetland C. The forested habitat was dominated by western red cedar (Thuja plicata,
FAC) and black cottonwood, with a few scattered red alder. The understory was dominated by red twig
dogwood (Cornus sericea, FACW), with scattered patches of Himalayan blackberry (Rubus armenicus,
FACU), salmonberry, and swamp gooseberry (Ribes lacustre, FAC+). The ground layer alternated
between areas of bare ground along the edge of the wetland to densely growing patches of scouring-rush
and slough sedge in the wetter central portion of the wetland. The scrub-shrub habitat at the western end
was dominated by Himalayan blackberry with scattered individuals of peafruit rose and black twinberry.
Soils in the forested habitat were a black (lOYR 2/1) loam with a high organic content to 5 inches
BGS. Below 5 inches, the soils were a dark gray (lOYR 4/1) clay loam with few, small, prominent
mottles. These soils were saturated to the surface with areas of standing water up to 3 inches deep. Soils
in the scrub-shrub habitat were a black loam to 8 inches BGS. Below 8 inches, they were a very dark
gray (lOYR 3/1) sand. Soils in the scrub-shrub habitat were saturated to the surface.
Upland forest surrounded this wetland, dominated by western red cedar and red alder, with
scattered black cottonwood, grand fir (Abies grandis, NI), and big-leaf maple (Acer macrophyllum,
FACU). The open shrub layer was composed of salmonberry, Indian ItJPf~()ct"~~
FACU), and red elderberry (Sambucus racemosa, FACU). Swordfern (Po~~6tufm munUu~, tr;(M
and stinging nettle (Urtica dioica, FAC+) were observed in the ground layer. So!)tJE !e:r. were
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dry at the time of the investigation. From 0 to 6 inches BGS, soils were a very dark grayish brown (lOYR
3/2) silt with no mottles; below 6 inches BGS, they were a dark brown (lOYR 3/3) sandy loam.
This newly delineated wetland (I-extension) was contiguous with the northwestern edge of
Wetland I and c'ontinued west to merge with Wetland C, forming one large wetland complex (labeled as
C/I/I-extension) that is approximately 7 acres in size. This wetland complex received a score of 26 using
the Ecology rating system and is considered a Category IV wetland (Appendix A). Jefferson County
requires a 25-ft buffer for Category IV wetlands. This rating was assigned with the assumption that no
sensitive plants or animals were present. If state and/or federal sensitive, threatened, or endangered
species or their habitats are documented on site, then this wetland complex would be considered a
Category I wetland with a required buffer of 150 ft.
3.8 WETLAND J
Wetland J, comprising 0.53 acre, was located at the toe of the slope in the north-central portion of
the study area. This wetland was composed of palustrine emergent/scrub-shrub habitat, as described in
the 1998 PRSW report; however, it appeared to have been recently disturbed by clearing because the
scrub-shrub community was no longer dominated by Douglas spirea, willows, and hawthorn and the
northeastern lobe of the wetland was mostly bare. The scrub-shrub habitat, particularly in the southern
portion, was dominated by Himalayan blackberry with a dominant ground layer of field horsetail.
Few of the metal poles indicating the wetland edge were present. Sample plots were taken at the
edge of the wetland, based on the wetland survey map in the 1998 PRSW report. The boundaries of
Wetland J were determined to be the same as those delineated in 1998. Using the Ecology rating system,
Wetland J received a score of 18 and was determined to be a Category IV wetland (Appendix A).
Jefferson County requires a 25-ft buffer for Category IV wetlands.
3.9 WETLAND K
This area was previously delineated as a 0.27-acre wetland. However, based on our recent
observations of vegetation, soils, and hydrology, this area no longer exhibited hydric conditions. The
change appeared to be the result of waterline maintenance upslope of this area (Pivarnik, J., 6 May 2002,
personal communication) to repair leaks. During this investigation, no seeps, groundwater, surface water,
or obligate plant species were observed in this area. The dominant plant species were bluegrass and
common velvetgrass (Holcus lanatus, FAC), with scattered individuals of English daisy (Belles perenas,
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NI), creeping buttercup (Ranunculus repens, FACW), broadleaf !?lll.p~~f>>(Wmntt!lgim'ajo[.J1'ACU+), and
dandelion (Taraxicum officianale, NI).
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Soils in this area were a black (lOYR 2/1) silt loam to 4 inches BGS. This same soil exhibited
oxidized rhizospheres from 4 to 12 inches BGS. Below 12 inches BGS, the soil was a grayish brown
(lOYR 512) clay loam with oxidized rhizospheres.
Using the facultative test with vegetation, this area was determined to have a non-hydric plant
community. Because surface soils were moist, but became drier at depth, this area was determined not to
have wetland hydrology. Thus, this area failed to meet two of the required three parameters for wetland
conditions and is no longer considered to be wetland.
3.10 WETLAND L
Wetland L, comprising 1.09 acres, was located east of Wetland C and just south of the hangars.
Prior to 1997, this wetland had been 2.08 acres in size before a permitted fill of 0.99 acre for construction
of the hangars. Palustrine emergent habitat occurred throughout most of this wetland, with a few linear
strips of palustrine open water habitat within the drainage ditches located throughout this area. The
vegetation observed during this'investigation matched the community described in the 1998 PRSW
report. Emergent habitat was dominated by bluegrass and bentgrass, with numerous other forbs and
grasses scattered throughout, including meadow buttercup, common velvetgrass, foxtail, common
plantain, a rose species (mowed to the same height as the grasses), and soft rush. The edges of the open
water habitat were densely vegetated with common cattail, American brooklime (Veronica americana,
OBL), soft rush, Douglas spirea, Pacific willow, and bigleaf sedge. This wetland was located within a
regularly mowed, well-maintained area.
Soils consisted of a black (lOYR 2/1) silt loam from 0 to 9 inches BGS. Below that, soils were a
dark gray (lOYR 4/1) clay loam. Soils were saturated to the surface, with standing water at 9 inches
BGS.
None of the metal poles indicating the wetland edge were present, so the boundary was visually
estimated using the previous wetland map. Sample plots taken along the estimated wetland edge indicate
that the boundaries were the same as those delineated in 1998.
Wetland L received a score of 18 using the Ecology rating system and is considered a Category
IV wetland (Appendix A). Jefferson County requires a 25-ftbuffer for Category IV wetlands.
3.11 WETLAND M
Wetland M, comprising approximately 3 acres, lies on both sides of SR 19. Only the area on the
western side of the highway, within the designated study area, is described here. H~VG:, ' ~~J~~ n
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purposes, such as rating and buffer determination, the entire wetland was considered. Wetland M is a '
JUL 2 3 2008
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constructed drainage facility located off the eastern end of the runway. It collects water from Wetland A
and the numerous ditches throughout the airport site, directing the water east under SR 19 and eventually
into Chimacum Creek. It is regulated by USACE because it was built in an area that was wetland prior to
development (Appendix B).
The 1998 PRSW report did not provide information about the vegetation and soils in this wetland
because of disturbance from construction and maintenance. Since that time, vegetation has become
established throughout the wetland, creating palustrine emergent habitat in the central portions of the
wetland with a fringe of palustrine scrub-shrub habitat along the edges. Vegetation in this wetland was
. dominated by obligate and facultative wet species. The southern linear portion of the wetland was
dominated by common cattail, softstem bulrush (Scirpus tabernaemontanii, OBL), marsh veronica
(Veronica scutellata, OBL), and creeping spikerush (EZeocharis palustris, OBL). Other plants observed
in this area were several willow species, including Pacific willow, red alder, soft rush, American
brooklime, tapertip rush (Juncus acuminatus, OBL), daggerleaf rush, and black cottonwood saplings.
Vegetation in the larger northern portion of Wetland M included those species observed in the southern
portion, along with yellow parentucellia (Parentucellia viscosa, FAC-), common velvetgrass, red fescue,
Pacific silverweed (Potentilla anserina, OBL), white-flowered hawkweed (Hieracium albiflorum, UPL),
bigleaf sedge, slough sedge, and broadleaf water plantain (Alisma plantago-aquatica, OBL).
During our investigation, we observed shallow (1 to 2 inches) flowing water throughout the
northern end of the wetland, and deeper (9 inches and greater) water flowing through the southern
portion. No soil samples were taken because. the wetland edge was well defined by the steep slopes of
this drainage facility.
No metal poles indicating the wetland edge were present, presumably because the 1998 boundary
was determined by the surface water elevation along the steep side. Because the surface water edge is
apparent in this recently constructed facility, we assumed that the boundaries are the same as those
delineated in 1998. Wetland M is contiguous with Wetland A and forms one large wetland complex.
Thus, the rating for this area includes both of these wetlands. The wetland category for Wetland AIM is
discussed in Section 3.1.
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4.0 FUNCTIONAL ASSESSMENT
Wetland functional assessment is integral to every jurisdiction's land use decisions and permitting
requirements. Wetlands connected to other wetlands or streams are generally considered of greater
ecological function and thus, higher value, than isolated wetlands. Each wetland was evaluated for
wetland function, using the Wetland and Buffer Functions Semi-Quantitative Assessment Methodology
(SAM) (Cooke 2000). This methodology was designed to be used for wetlands of all sizes and degree of
hydrologic connectivity, from one isolated wetland to all the wetlands in a basin.
SAM is based on an evaluation system developed by Reppert et al. (1979) that has been modified
for greater applicability to Pacific Northwest wetland ecosystems and provides a guide for evaluating a
specific function in a specific wetland and buffer system. The results of individual wetland assessments,
quantifiable numeric scores, can be used to determine the presence and relative importance of functions
within the wetland. The identification of low level functions can also be used to guide management
decisions for future growth and development in a basin or sub-basin. Using this methodology, wetlands
that are difficult to replace (bogs and mature forested wetlands) are given higher value than those that are
easier to replace (emergent and scrub-shrub wetlands with mineral soils).
Functions that are evaluated using this methodology include flood/stormwater control (only
depressional and riverine wetlands), base flow/groundwater support, erosion/shoreline protection
(lacustrine, riverine, estuarine wetlands only), water quality improvement, natural biological support,
general habitat functions, specific habitat functions, and cultural and socioeconomic values. Table 2
shows the numeric score and the rating, from low to high, for the performance of each applicable function
assessed for the wetlands in the JCIA study area. For example, Wetland AIM was assigned 111M for
flood and stormwater support, where 11 is the total point value for that function and M (moderate) is the
functional performance rating. Data sheets for each wetland are in Appendix E.
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5.0 CRITICAL AREA REGULATIONS
A brief summary of applicable regulations is given below for wetlands, and for state sensitive
and/or federally proposed or listed threatened and endangered species. Information regarding permitting
implications for the JCIA wetlands located within the study area is provided.
5.1
WETLAND REGULATIONS
Wetlands are regulated by local, state, and federal government agencies. Compliance with one
agency does not necessarily fulfill permitting requirements of any other agencies. An overview of
wetland regulations that may affect the JCIA wetlands is provided below.
5.1.1 LOCAL REGULATIONS: JEFFERSON COUNTY
Jefferson County requires all wetlands to be delineated using the Washington State Wetlands
Identification and Delineation Manual (Ecology 1997) and classified using the Wetland Rating Systemfor
Western Washington (Hruby 2004). Jefferson County designates a minimum size for regulated wetlands
[JCUDC 18.15.325 (2)] as follows: .
· 10,000 ft2 for Category III and IV wetlands
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· 2,500 ft2 for Category II wetlands
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· No minimum size for Category I wetlands.
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Jefferson County assigns buffer widths based on the category designation of wetlands [JCUDC
18.15.340 (5) (e), Table 3-4] from a minimum of 25 ft for Category IV wetlands up to 150 ft for Category
I wetlands. The area within the wetlands and their buffers is generally considered to be unavailable for
development, unless there is no reasonable alternative to the proposed activity. If all measures are taken
to avoid wetland impacts, the County will consider mitigation for wetland impacts due to filling, draining,
or excavating. The County's overall goal of mitigation is no net loss of wetland function, value, and
acreage. Replacement ratios are shown in Table 3.
In addition, Jefferson County may consider a request for buffer width averaging in those cases
where width averaging will not adversely impact the wetland or its functions, the total area of the buffer
after averaging is not less than the buffer area prior to averaging, and the buffer width is not reduced by
more than 25 percent of the standard buffer width. Jefferson County may also consider buffer width
reduction only if buffer width averaging is not feasible on the project site and a buffer enhancement plan
using native vegetation to provide increased protection for wetland functions is provided.
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An application for a reasonable economic use variance can be submitted if Jefferson County
regulations would qeny all reasonable economic use of the property. The burden of proof that the
property is deprived of all reasonable use is on the property owner.
Although Jefferson County code requires that wetlands and their buffers be placed in an
easement, the Federal Aviation Administration (FAA) does not allow wetlands and their buffers to, be
placed in an easement that would disallow future development of these areas in case of wartime
emergency. Typically, for airports, the local jurisdiction will allow a wetland and buffer map to be filed
with the understanding that only the FAA can apply for fill and/or disturbance to these areas. In addition,
while Jefferson County prohibits disturbance of wetland and wetland buffer vegetation, most local
jurisdictions recognize the FAA requirement to maintain (that is, clear and mow) airport property and will
allow this disturbance where mandated by the FAA.
5.1.2 WASHINGTON STATE DEPARTMENT OF ECOLOGY
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Isolated wetlands (see the discussion in Section 5.1.3) are subject to regulation by Ecology, which
requires notification of wetland fills under Administrative Orders. If wetland fill totals less than 0.1 acre,
Ecology may choose not to take jurisdiction.
Ecology recommends greater mitigation ratios and buffer areas than Jefferson County. Ecology's
overall mitigation goal is no net loss of wetland function and acreage. . Ecology requires a minimum of 5
years for monitoring wetland mitigation. Replacement ratios recommended by Ecology are shown in _
Table 4.
5.1.3 U.S. ARMY CORPS OF ENGINEERS
In addition to Jefferson County regulations, federal approvals may also be required if the project
proposes wetland fill. For any proposed wetland fill, USACE must be notified and onsite wetland
boundaries must be verified by USACE prior to development. USACE will make a determination
whether the subject wetlands are isolated or adjacent (adjacent meaning hydrologically connected to
navigable waters via surface water or groundwater). If US ACE decides the wetlands are isolated, they
will not take jurisdiction unless they determine that filling the wetland would affect interstate commerce.
While USACE does not regulate isolated wetlands, Ecology will take jurisdiction over those wetlands
(see discussion in Section 5.1.2).
If USACE determines that the wetlands are adjacent, a Clean Waterrfr'1f~;$:~iJli}~~~~~
would be required. For wetland fills between 0.1 acre and 0.5 acre, USACE &..hjaU~nzeil tli\f #i'8-jJJt?J>
under Nationwide Permit (NWP) 39 for residential, commercial, and instituJoel2d3v2~tf8ments _
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(including industrial facilities). NWP 39 pertains to discharges of fill material into non-tidal wetlands for
the construction or expansion of residential, commercial, and institutional building foundations, building
pads, and attendant features such as, but not limited to, roads, parking lots, garages, and utility lines.
Under NWPs, the proposed fill must be part of a single and complete project.
For wetland fills less than 0.1 acre, a letter of notification about the project must be sent to
USACE prior to commencement of work (USACE 2002). Fills greater than 0.5 acre would require an
individual permit rather than an NWP.
For allY USACE permit or authorization, under General Condition 11, USACE requires a
biological evaluation/assessment (BE/BA) of project impacts on federally listed threatened and
endangered species (USACE 2002). BE/BAs are usually detailed and time-consuming analyses and
reviews that currently take more than 12 months for federal agencies to process. The BE/BA gives
USACE, National Marine Fisheries Service (NMFS), and USFWS another avenue to require specific
mitigation measures that address impacts to listed species and associated habitat.
For wetland fills, USACE will require mitigation in at least the same ratios required by Jefferson
County. However, unlike Jefferson County, USACE requires compensatory mitigation for all wetland
fills. Thus, USACE will require additional mitigation for any fill in wetlands that are not regulated by
Jefferson County (e.g., Category II or ill wetlands that are less than 10,000 ft2). In addition, USACE
requires that a professional wetland biologist monitors the wetland mitigation project for 5 to 10 years and
submits monitoring reports.
5.2 SENSITIVE, THREATENED, AND ENDANGERED SPECIES
REGULATIONS.
Under the federal Endangered Species Act, certain federally listed plant and animal species are
afforded varying degrees of federal protection proscribed and enforced by the NMFS and USFWS (the
Services). In practical terms, the Services can prohibit, restrict, or alter projects that may pose a harm to
federally listed threatened or endangered vertebrate species. As of August 2002, in the vicinity of JCIA,
no federally listed threatened or endangered species are known to occur on the project site, although a
bald eagle (threatened) nest occurs about 1.4 miles from the site and Hood Canal summer chum salmon
(threatened) spawn in Chimacum Creek, about 0.6 mile east (downgradient) of SR 19. Because of the
proximity of bald eagle and chum salmon habitat, specific project developments would need to be
evaluated for potential effects on these species during project design and permit application phases.
However, because of their relative distance from JCIA, it is unlikely that hangif>>rJt0Fif:l1f'Y~~~lT)
commercial development would adversely affect these species. K - ,/1 II '
JUL 2 3 2008
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5-3
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Washington State monitors and provides a limited degree of protection to state-designated
sensitive, threatened, and endangered plant and animal species through several state agencies. Under the
State Environmental Policy Act, listed plant species are required to be disclosed. However, the state does
not currently have regulations pertaining to protection of plants. The Natural Heritage Program 2001
(Washin~on State Department of Natural Resources) database does not show any listed plant species on
or in the vicinity of the airport. The Washington State Department of Fish and Wildlife (WDFW)
monitors potential effects and controls project . development effects on state fish habitat through the
Hydraulic Project Approval (HP A). The HP A applies only to projects that are constructed within
Ordinary High Water of waters of the state, which are not present on the JCIA site. No other animal
species known to use the project site are protected under state regulations.
5.3 RECOMMENDATIONS CONCERNING REGULATORY CONSTRAINTS
The following recommendations are necessarily general because design alternatives have not
been developed at the time of this writing. These recommendations are made in consideration of the
sensitive area regulations of Jefferson County while also recognizing that, in regard to facility expansion
at the airport, the County Comprehensive Plan considers the airport to be an essential public facility. The
other significant constraints considered here are federal regulations under the Clean Water Act and the
Endangered Species Act. These regulations are tempered by the FAA, which prohibits maintenance or
creation of wildlife habitat on or within 10,000 ft of the airport due to wildlife hazard considerations.
Furthermore, the FAA has a policy of retaining all future use of airport property and generally does not
approve designating any portion of the airport to a wetland/wetland buffer easement. Our
recommendations are listed below:
· Avoid wetland fill as much as possible. If wetland must be filled, demonstrate that the
impact is unavoidable due to aviation-related development and that no other alternative site
for that use exists. Because Wetlands D, E, and H fall below the size that Jefferson County
regulates, the County will not regulate fill in these areas. However, USACE also has
jurisdiction over these wetlands and will require an evaluation for any wetland fill.
· Create a long-term Master Plan. USACE prefers to authorize an NWP for one complete
project. Thus, they may authorize an NWP for the Master Plan, but may refuse to authorize
additional permits for future construction projects that were not included in the Master Plan.
· On the northern side of the airport, a variance may be requested from Jefferson County for
buffer width reduction. Although most of the wetland habitat on the JCIA site occurs in this
area, it is the current airport-related commercial area and the preferred area for airport-related
commercial expansion; therefore, the standard buffer may Tl~, .oj ( ';'1 ttiAAJ ffJ1 r\. airport
use, allowing for this variance.K Jr... \lj jell \ / J~ J .--11
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Buffer reduction would need to be negotiated with Jefferson County. Usually, a buffer
enhancement plan is required along with buffer reduction, to protect wetland functions.
However, the functions that the emergent wetlands currently provide are fairly limited
because of mowing required by the FAA. Thus, Jefferson County may waive the buffer
enhancement requirement for Wetlands AIM, CII/I Extension, L, and J. Wetlands D, E, and
H fall below the size of Jefferson County's regulated wetlands and would have no buffer
requirement. .
· Buffer averaging can be requested for the regulated Wetlands AIM, C/I/I Extension, L, and J,
With buffer averaging, buffers may not be reduced greater than 25 percent and the total area
of the buffer after averaging must not be less than that before buffer averaging. Airport areas
not available for commercial development, such as the ends of the runway, may offer
sufficient area in which to extend the buffer to compensate for reduced buffer width
elsewhere. The functions currently performed by these wetlands are fairly limited because of
mowing and are unlikely to be further affected by buffer width averaging.
· A void altering or filling palustrine forested or scrub-shrub wetland habitat, such as that found
in Wetlands AIM, C/I/I Extension, D, and J. This habitat is relatively costly to mitigate
because of the higher replacement ratios that are required (Le., 3: 1 for forested Category II
wetlands, compared to 1.25:1 or 2:1 for emergent wetlands). Forested wetland mitigation can
require up to 10 years of monitoring, while emergent wetland mitigation generally requires
only 3 to 5 years of monitoring. ill addition, the new regional general conditions for an
NWP, in place since July 23, 2002, prohibit fills in mature forested wetlands (that is,
evergreen trees older than 80 years and deciduous trees older than 50 years).
· Consider purchase of offsite areas in the Master Plan to serve for wetland mitigation, because
the FAA will not allow mitigation that attracts wildlife on or within 10,000 ft of the airport.
Jefferson County prefers that offsite mitigation be done within the same watershed where the
wetland habitat was lost.
· Disturbed wetlands could be used for restoration mitigation, by improving degraded
conditions. However, although existing wetland soils and hydrology on site would ensure
greater mitigation success, restored wetlands usually require a higher replacement ratio than
created wetlands, so more area would be needed to mitigate for wetland fill.
· Undisturbed wetlands could be used for mitigation by preserving these areas. However,
although undisturbed wetlands could be maintained with minimal effort and cost (for
example, the only maintenance would be removal of invasive species), the replacement ratio
is much higher for this option (usually anywhere from 12: 1 to 20: 1), and thus a larger offsite
wetland acquisition may be needed.
· Upland habitat could be used to create new wetland habitat. This option would require
additional studies to identify areas where sustainable hydrology could support new wetland
habitat in perpetuity. ill general, wetland creation is given a lower mitigation ratio than other
types of mitigation. However, cost considerations include buffer acquisition, and design,
installation, and monitoring of the created wetland habitat.
.
For a small, discrete Master Plan action, such as realignment of the ~r~,~F~"~ n
the western end of the site, an on site mitigation concept may bj:'\1.dk11:He t6 Implem~rltY
separately from the rest of the proposed site actions, which would reduce overall mitigation
requirements and accelerate project completion. For example, if the new JUr..d Z'as t28[)9me
06/15/05 S:\PROJECTS\304\005\Rle Room\Wetland Delineation_rpl.doc
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width as the existing road, and if fill was removed from the abandoned road segments and
allowed to revert to the adjacent emergent habitat, this action could be permitted relatively
quickly and inexpensively. However, the agencies may prefer that all mitigation be
combined (as in an offsite plan).
06115/05 S:\PROJECTS\304\OO5\File Room\We~and Delinealion_rpl.doc
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6.0 USE OF THIS REPORT
This report was prepared for the exclusive use of the Port of Port Townsend and their consultants
for the sPecific application to this project. The use by others, or for purposes other than intended, is at the
user's sole risk. The fmdings presented herein are based on our understanding of the Jefferson County
International Airport Master Plan Update project, the 1998 PRSW report, and on vegetative, soil, and
hydrology conditions observed during site visits on May 7 and 8, 2002 and vegetative conditions
observed on March 21, 2005. Within the limitations of scope, schedule, and budget, the findings
presented in this report were prepared in accordance with generally accepted sensitive area investigation
principles and practices in this locality at the time the letter report was prepared. We make no other
warranty, either express or implied.
Wetland areas delineated by Landau Associates are considered preliminary until the USACE
and/or local jurisdictional agencies validate the wetland boundaries. Since wetlands are dynamic
communities, wetland boundaries change over time. The USACE typically recognizes wetland
delineations for a period of 5 years.
LANDAUASSOCIATES, INe.
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Diane Brewster
Senior WetIands Ecologist
DLB/ccy
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7.0 REFERENCES
Cooke, Sarah S. 2000. Wetland and Buffer Functions Semi-Quantitative Assessment Methodology.
Seattle, Washington.
Ecology. 1998. How Ecology Regulates Wetlands, An Introduction to: Regulatory Authority, Wetland
Definitions and Delineation, Wetland Characterization and Function Assessment, Wetland Mitigation,
Buffers, and More. Publication No. 97-112. Washington State Department of Ecology. Olympia,
Washington.
Ecology. 1997. Washington State Wetland Identification and Delineation Manual. Publication No.
96-94. Washington State Department of Ecology. Olympia, Washington.
Ecology. 1993. Washington State Wetland Rating System for Western Washington. Publication No.
93-74. Washington State Department of Ecology. Olympia, Washington.
Hruby, T. 2004. Washington State Wetland Rating System for Western Washington - Revised.
Publication No. 04-06-025. Washington State Department of Ecology. August.
Landau Associates. 2002. Wetland Delineation Report, Jefferson County International Airport, Port
Townsend, Washington. Prepared for Bucher, Willis & Ratliff Corporation. November 12.
Pivamik, J. 6 May 2002. Personal communication (conversation with Diane Brewster, Landau
Associates, Edmonds, Washington). Jim Pivanik, Property and Facilities Manager, Port of Port
Townsend. Re: Maintenance and Repair of Water Lines at Jefferson County International Airport.
Reed, Jr., Porter B. 1988, revised 1993. National List of Plant Species That Occur in Wetlands:
Northwest (Region 9). US. Fish & Wildlife Service BioI. Rep. 88 (26.9). Washington, DC.
Reppert, R. T., W. Sigleo, E. Stackhiv, L. Messman, and C. Meyers. 1979. Wetland Values: Concepts
and Methods of Wetland Evaluation. IWR Res. Rep. 79-R-1. US. Army Corps of Engineers. Fort
Belvoir, Virginia.
USACE. 2002. Special Public Notice: Final Regional Conditions, 401 Water Quality Certification
Conditions, Coastal Zone Management Consistency Responses, for Nationwide Permits for the Seattle
District Corps of Engineers for the State of Washington. US. Army Corps of Engineers Regulatory
Branch. Seattle, Washington.
USACE. 1987. U.S. Army Corps of Engineers Wetland Delineation Manual. Technical ,Report Y-87-1.
US. Army Corps of Engineers Waterways Experiment Station. Vicksburg, Mississippi.
~.;
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06/15/05 S:\PROJECTS\304\005\File Room\Wetland Delinealion_rpl.doc
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Map from: Maptech Terrain Navigator, 1999
Jefferson County
International Airport
Jefferson County, Washington
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TABLE 1
WETLAND CHARACTERISTICS AND BUFFERS IN THE
JEFFERSON COUNTY INTERNATIONAL AIRPORT STUDY AREA
JEFFERSON COUNTY INTERNATIONAL AIRPORT
PORT TOWNSEND, WASHINGTON
Size
Wetland (acres) Habitat Tvoe Category Buffer Width (ft)
AIM 14 PEM, PSS, PFO II 100
C/I/I Ext 7 PEM,PSS,PFO II 100
0 0.18 PEM,PSS III NR
E 0.80 PEM IV NR
H 0.14 PEM IV NR
J 0.53 PEM,PSS IV 25
K No longer meets the triple parameter wetland criteria
L 1.09 PEMS III 50
NR = Jefferson County typically does not regulate Category III or Category IV wetlands
less than 10,000 tf, thus it is likely that no buffer will be required.
PEM = Palustrine (freshwater) emergent
PSS = Palustrine scrub-shrub
PFO = Palustrine forest
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TABLE 2
WETLAND FUNCTIONAL PERFORMANCE ASSESSMENT FOR THE
JEFFERSON COUNTY INTERNATIONAL AIRPORT STUDY AREA
JEFFERSON COUNTY INTERNATIONAL AIRPORT
PORT TOWNSEND, WASHINGTON
Functions
(Max. Possible Points) Wetlands
AIM C/I/I Ext. D E H J L
Flood/stormwater control 11/M 11/M 9/L-M 9/L-M 9/L-M 11/M 7/L
(15 points)
Base flow/groundwater support 121M-H 10/M 9/L-M 8/L-M 9/L-M 10/M 8/L-M
(15 points)
Erosion/shoreline protection N/A N/A N/A N/A N/A N/A N/A
Water quality improvement 10/M 121M-H 8/L-M 10/M 8/L-M 13/M-H 11/M
(15 points)
Natural biological support 221M 221M 19/L-M 15/L 17/L-M 18/L-M 15/L
(36 points)
Overall habitat function 4/L 6/L 4/L 3/L 4/L 5/M 3/L
(9 points)
Specific habitat functions 8/L-M 11/M 5/L 5/L 5/L 8/L-M 6/L
(15 points)
Cultural & socioeconomic values 6/L 7/L 6/L 6/L 6/L 5/L 6/L
(6 points)
Functional Performance Ratina Leaend:
L=Low
L-M = Low to moderate
M = Moderate
M-H = Moderate to high
H = High
N/A= Not applicable,
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TABLE 3
REPLACEMENT RATIOS FOR COMPENSATORY WETLAND MITIGATION - JEFFERSON COUNTY
JEFFERSON COUNTY INTERNATIONAL AIRPORT
PORT TOWNSEND, WASHINGTON
Wetland Category
Replacement Ratio
6 (acreage of wetlands to be created):1
(acreage of wetlands proposed to be lost or altered)
II or III
Forested
Scrub-shrub or Emergent
IV
3:1
2:1
1.25:1
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TABLE 4
REPLACEMENT RATIOS FOR COMPENSATORY WETLAND MITIGATION -
WASHINGTON STATE DEPARTMENT OF ECOLOGY
JEFFERSON COUNTY INTERNATIONAL AIRPORT
PORT TOWNSEND, WASHINGTON
Page 1 of 1
Wetland Category
Category 1 (all types)
Creation I Restoration
Replacement Ratio
6 (acreage of wetlands to be created): 1 (acreage
of wetlands proposed to be lost or altered)
Enhancement
Ratio
12:1
Category 2 or 3
. Forested
3:1
6:1
. Scrub/Shrub
2:1
4:1
. Emergent
2:1
1.25:1
4:1
Category 4
2.5:1
From Ecology 1998.
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WETLAND RATING FORM - WESTERN WASHINGTON
Name of wetland (ifknown): LJE'T\_~NU A- 1M
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Location: SEC: rr TWNSHP:30PRNGE: I W (attach map with outline ofwetIand to rating form)
Person( s) Rating Wetland: D~ \S Affiliation: L ~DA;1.l Date of site visit: S /7-, fS Ii.. 00 2-
~TINCt- n..f\II~~ MA....' '-.l'::leS
SUMMARY OF RATING
Category based on FUNCTIONS provided by wetland
1_ 11_ 111_ IV x..
Category I = Score >=70
Category II = Score 51-69
Category ill = Score 30-50
Category IV = Score < 30
Score for Water Quality Functions
Score for Hydrologic Functions
Score for Habitat Functions
TOTAL score for functions
$'"lo-oK p, Gflt ~ I A,J 11-1
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Category based on SPECIAL CHARACTERISTICS of wetland
I II Does not Apply ~
Final Category (choose the "highest" category from above)
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Check the appropriate type and class of wetland being rated.
Estuarine
Natural Herita e Wetland
Bo
Mature Forest
Old Growth Forest
Coastal La oon
Interdunal
None of the above
De ressional
Riverine
Lake-frin e
Slo e
Flats
Freshwater Tidal
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Wetland Rating Form - western Washington
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Does the wetland being rated meet any of the criteria below?
If you answer YES to any of the questions below you will need to protect the wetland
according to the regulations regarding the special characteristics found in the wetland.
CbeCk,CList,for,~~inlJi4s..:That.N~~.~.~p~~,ii'p;r~*e~!iort~<#Pd..'..
, c'::: i,.,..,..'..,.,'.TlIat;~e{N~ijtInclud.eailnIb~d:(.tir..'",\.;:-,,".,.';tc.. ' .....
SPl. Has the wetland been documented as a habitatfor any Federally listed
Threatened or Endangered plant or animal species (TIE species)?
For the purposes of this rating system, "documented" means the wetland is on the
a ro riate state or federal database.
SP2. Has the wetland been documented as habitatfor any State listed Threatened or
Endangered plant or animal species?
For the purposes of this rating system, "documented" means the wetland is on the
a ro riate state database.
SP3. Does the wetland contain individuals of Priority species listed by theWDFW
for the state?
"[,YiES' {i:'NO"
SP4. Does the wetland have a local significance in addition to its functions? For
example, the wetland has been identified in the Shoreline Master Program,
the Critical Areas Ordinance, or in a local management plan as having
special significance.
L':'-',:'.
To complete the next part of the data sheet vou will need to determine the
Hvdrogeomorphic Class of the wetland being rated
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The hydrogeomorphic classification groups wetlands into those that function in similar ways. This
simplifies the questions needed to answer how well the wetland functions. The Hydrogeomorphic
Class of a wetland can be determined using the key below. See p. 24 for more detailed instructions
on classifying wetlands.
Wetland Rating Form - western Washington
August 2004
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Classification of Vegetated Wetlands for Western Washington
Wetland Name:
Date:
1.~, ater levels in the wetland usually controlle~ by.tides (i:e. except during floods)?
~~o to 2 ,YES - the wetland class IS Tidal Frmge
If yes, is the salinity of the water during periods of annual low flow below 0.5 ppt (parts per
thousand)? YES - Freshwater Tidal Fringe NO - Saltwater Tidal Fringe (Estuarine)
If your wetland can be classified as a Freshwater Tidal Fringe use the forms for Riverine
wetlands. Ifit is Saltwater Tidal Fringe it is rated as an Estuarine wetland. Wetlands that
were called estuarine in the first and second editions of the rating system are called Salt
Water Tidal Fringe in the Hydrogeomorphic Classification. Estuarine wetlands were
categorized separately in the earlier editions, and this separation is being kept in this
revision. To maintain consistency between editions, the term "Estuarine" wetland is kept.
Please note, however, that the characteristics that define Category I and II estuarine
wetlands have changed (see p. ).
2. c;s/ _topography within the wet. land flat and precipitation is only source (>90 %0) of water to it.
NO 7) go to 3 YES - The wetland class is Flats
/'
/ If your wetland can be classified as a "Flats" wetland, use the form forDepressional
wetlands.
3. Does the wetland meet both of the following criteria?
_The vegetated part of the wetland is on the shores of a body of open water (without any
vegetation on the surface) where at least 20 acres (8 ha) ate permanently inundated
(ponded or flooded);
/;:-'-=:;:--rAt least 30% of the open water area is deeper than 6.6 ft (2 m)?
( N~ go to 4 YES - The wetland class is Lake-fringe (LacQstrlne Fringe)
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4. Does the wetland meet all of the following criteria?
1- The wetland is on a slope (slope can be very gradual),
~The water flows through the wetland in one direction (unidirectional) and usually
comes from seeps. It may flow subsurface, as sheetflow, or in a swale without distinct
banks.
~ The water leaves the wetland without being impounded?
NOTE: Surface water does not pond in these type of wetlands except occasionally in
very small and shallow depressions or behind hummocks( depressions are usually
<3ft ~~3er...,and less than 1 foo~ deep).
NO - go to 5 " ~~:::,The wetland class IS Slope
5. Is the wetland in a valley, or stream channel, where it gets inundated by overbank flooding from
that stream or river? The flooding should occur at least once every two years, on the average, to
answer "yes." The wetland can contain depressions that are filled with water when the river is
not flooding.
NO - go to 6
YES - The wetland class is Riverine
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Wetland Rating Form - western Washington
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6. Is the wetland in a topographic depression in which water ponds, or is saturated to the surface, at
some time of the year. This means that any outlet, ifpresent, is higher than the interior of the
wetland.
NO - go to 7 YES - The wetland class is Depressional
7. Is the wetland located in avery flat area with no obvious depression and no stream or river
running through it and providing water. The wetland seems to be maintained by high
groundwater in the area. The wetland may be ditched, but has no obvious natural outlet.
NO - go to 8 YES - The wetland class is Depressional
8. Your wetland seems to be difficult to classify. For example, seeps at the base of a slope may
grade into a riverine floodplain, or a small stream within a depressional wetland has a zone of
flooding along its sides. Sometimes we find characteristics of several different hydrogeomorphic
classes within one wetland boundary. Use the following table to identify the appropriate class to
use for the rating system if you have several HGM classes present within your wetland. NOTE:
Use this table only if the class that is recommended in the second column represents 10% or more
of the total area of the wetland being rated. If the area of the second class is less than 10% classify
the wetland using the first class.
HGMelasses Within a'Deli'neated WetlandfJounda
Slo e + Riverine
Slo e + De ressional
Slo e + Lake-frin e
Depressional + Riverine along stream within boundary
D ressional + Lake-frin e
Salt Water Tidal Fringe and any other class of freshwater
wetland
. ClasSta. Use'in Reitfn
Riverine
De ressional
Lake- frin e
Depressional
De ressional
Treat as ESTUARINE under
wetlands with special
characteristics
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If you are unable still to determine which of the above criteria apply to your wetland, or you have
more than 2 HGM classes within a wetland boundary, classify the wetland as Depressional for
the rating.
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WATER QUALITY FUNCTIONS - Indicators that wetland functions to improve
water quality
D D 1. Does the wetland have the potential to improve water quality? (seep. 38)
D 1.1 Characteristics of surface water flows out of the wetland:
Wetland is a depression with no surface water outlet points = 3
Wetland has an intermittently flowing, or highly constricted, outlet points = 2
Wetland has an unconstricted surface outlet points = 1
Wetland is flat and has no obvious outlet and/or outlet is a ditch oints = 1
D 1.2 The soi12 inches below the surface is clay, organic, or smells anoxic
(hydrogen sulfide or rotten eggs).
YES points = 4
NO oints = 0
D 1.3 Characteristics of persistent vegetation (emergent, shrub, and/or forest class):
Wetland has persistent, ungrazed, vegetation> = 95% of area points = 5
Wetland has persistent, ungrazed, vegetation> = 1/2 of area points = 3
Wetland has persistent, ungrazed vegetation> = 1/10 of area points = 1
Wetland has ersistent, un razed ve etation <1/10 of area oints = 0
D 1.4 Characteristics of seasonal ponding or inundation.
This is the area of the wetland that is ponded for at least 2 months, but dries out
sometime during the year. Do not count the area that is permanently ponded.
Estimate area as the average condition 5 out of 10 yrs.
Area seasonally ponded is > Y2 total area of wetland points = 4
Area seasonally ponded is > ~ total area of wetland points = 2
Area seasonally ponded is < ~ total area of wetland points = 0
NOTE: See text or indicators 0 seasonal and ermanent inundation..
Total for D 1 Add the points in the boxes above
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D 2. Does the wetland have the opportunity to improve water quality? (see p. 44)
Answer YES if you know or believe there are pollutants in groundwater or surface
water coming into the wetland that would otherwise reduce water quality in
streams, lakes or groundwater downgradient from the wetland? Note which of the
following conditions provide the sources of pollutants.
- Grazing in the wetland or within 150 ft
- Untreated stormwaterdischarges to wetland
- Tilled fields or orchards within 150 ft of wetland
- A stream or culvert discharges into wetland that drains developed areas,
residential areas, farmed fields, roads, or clear-cut logging
- Residential, urban areas, golf courses are within 150 ft of wetland
- Wetland is fed by groundwater high in phosphorus or nitrogen
- Other
YES multi lier is 2 NO multi lier is 1
TOTAL - Water Quality Functions Multiply the score from DI by D2
Add score to table on . 1
Wetland Rating Form - western Washington
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HYDROLOGIC FUNCTIONS - Indicators that wetland functions to reduce
floodin and stream de ation
D 3. Does the wetland have the potential to reduce flooding and erosion?
see . 46
D 3.1 Characteristics of surface water flows out of the wetland
Wetland has no surface water outlet points = 4
Wetland has an intermittently flowing, or highly constricted, outlet points = 2
Wetland is flat and has no obvious outlet and/or outlet is a small ditch points = I
Wetland has an unconstricted surface outlet oints = 0
D 3.2 Depth of storage during wet periods
Estimate the height of ponding above the bottom of the outlet
Marks of ponding are 3 ft or more above the surface points = 7
The wetland is a "headwater" wetland" points = 5
Marks of ponding between 2 ft to < 3 ft from surface points = 5
Marks are at least 0.5 ftto < 2 ft from surface points = 3
Wetland is flat but has small depressions on the surface that trap water points = 1
Marks of ondin less than 0.5 ft oints = 0
D 3.3 Contribution of wetland to storage in the watershed
Estimate the ratio of the area of upstream basin contributing surface water to the
wetland to the area of the wetland itself.
The area of the basin is less than 10 times the area of wetland points = 5
The area of the basin is 10 to 100 times the area of the wetland points = 3
The area of the basin is more than 100 times the area of the wetland points = 0
Wetland is in the FLATS class asin = the wetland, b definition oints = 5
Total for D 3 Add the points in the boxes above
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D D 4. Does the wetland have the opportunity to reduce flooding and erosion?
(see p. 49)
Answer YES if the wetland is in a location in the watershed where the flood
storage, or reduction in water velocity, it provides helps protect downstream
property and aquatic resources from flooding or excessive and/or erosive flows.
Answer NO if the water coming into the wetland is controlled by a structure such
as flood gate, tide gate, flap valve, reservoir etc. OR you estimate that more than
90% of the water in the wetland is from groundwater.
Note which of the following indicators of opportunity apply.
- Wetland is in a headwater of a river or stream that has flooding problems
- Wetland drains to a river or stream that has flooding problems
- Wetland has no outlet and impounds surface runoff water that might
otherwise flow into a river or stream that has flooding problems
- Other
YES multi lier is 2 NO) multi tier is 1
TOTAL - Hydrolog,i.c F~ctiQlJs, Mllltip1~~h~ score from D 3 by D 4
H\ JL,', '-, ~iJd score to table on p. 1
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WATER QUALITY FUNCTIONS - Indicators that wetland functions to
improve water quality
S 1. Does the wetland have the potential to improve water quality? (see p. 64)
S 1.1 Characteristics of average slope of wetland:
Slope isl % or less (a 1% slope has a 1 foot vertical drop in elevation for every
100 it horizontal distance) ..................................... points == 3
Slope is 1 % - 2% points = 2
Slope is 2% - 5% -?f'lo points = 1
Slope is greater than 5% points = 0
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S 1.2 The soil 2 inches below the surface is clay, organic, or smells anoxic
(hydrogen sulfide or rotten eggs).
, YES = 3 oints NO = 0 oints
S 1.3 Characteristics of the vegetation in the wetland that trap sediments and
pollutants:
Choose the points appropriate for the description that best fits the vegetation in
the wetland. Dense vegetation means you have trouble seeing the soil surface.
Dense, ungrazed, herbaceous vegetation> 90% of the wetland area points = 6
Dense, ungrazed, herbaceous vegetation> 1/2 of area points = 3
Dense, woody, vegetation > ~ of area points = 2
Dense, ungrazed, herbaceous vegetation> 1/4 of area points = 1
Does not meet an of the criteria above for ve etation oints = 0
Total for S 1 Add the points in the boxes above
S 2. Does the wetland have the opportunity to improve water quality? (see p. 67)
Answer YES if you know or believe there are pollutants in groundwater or surface
water coming into the wetland that would otherwise reduce water quality in
"streams, lakes or groundwater downgradient from the wetland? Note which of the
following conditions provide the sources of pollutants.
-..,... Grazing in the wetland or within 150ft
- Untreated storrnwater discharges to wetland
- Tilled fields, logging, or orchards within 150 feet of wetland
- Residential, urban areas, or golf courses are within 150 ft upslope of
wetland
- Other .~,
YES multiplier is 2 NQ ../ multiplier is 1
TOTAL - Water Quality Functions Multiply the score from SI by S2
Add score to table on . 1
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Wetland Rating Form - western Washington
11
August 2004
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HYDROLOGIC FUNCTIONS - Indicators that wetland functions to reduce
floodin and stream erosion
S 3. Does the wetland have the potential to reduce flooding and stream erosion?
see . 68
S S 3.1 Characteristics of vegetation that reduce the velocity of surface flows during
storms. Choose the points appropriate for the description that best fit
conditions in the wetland.
Dense, uncut, rigid vegetation covers> 90% of the area of the wetland.
(stems Qfplants should be thick enough (usually> 1I8in), or dense enough, to
remain erect during surface flows) points = 6
Dense, uncut, rigid vegetation> 1/2 area of wetland points = 3
Dense, uncut, rigid vegetation> 114 area points = 1
More than 114 of area is grazed, mowed, tilled or vegetation is
not ri id oints = 0
S S 3.2 Characteristics of slope wetland that holds back small amounts of flood
flows:
The slope wetland has small surface depressions that can retain water over at
least 10% of its area. YES points = 2
NO oints = 0
S Add the points in the boxes above
S S 4. Does the wetland have the opportunity to reduce flooding and erosion?
(see p. 70)
Is the wetland in a landscape position where the reduction in water velocity it
provides helps protect downstream property and aquatic resources from flooding
or excessive and/or erosive flows? Note which ofthefollowing conditions apply.
- Wetland has surface runoff that drains to a river or stream that has flooding
problems
- Other
(Answer NO if the major source o/water is controlled by a reservoir (e.g. wetland is
a seep that is on the downstrefJ!ZLfide of a dam)
YES multi lier is 2 {NQ/ multi lier is 1
S TOTAL - Hydrologic Functions Multiply the score from S 3 by S 4
Add score to table on p. 1
Comments
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Wetland Rating Form - western Washington
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HABITAT FUNCTIONS - Indicators that wetland functions to provide important habitat
H 1. Does the wetland have the potential to provide habitat for many species?
H 1.1 Vegetation structure (see p. 72)
Check the types of vegetation classes present (as defined by Cowardin) if the class
covers more than 10% of the area of the wetland or % acre.
_Aquatic bed
~ Emergent plants
_Scrub/shrub (areas where shrubs have >30% cover)
-LForested (areas where trees have >30% cover)
_Forested areas have 3 out of 5 strata (canopy, sub-canopy, shrubs, herbaceous,
moss/ground-cover)
Add the number of vegetation types that qualify. If you have:
4 types or more
3 types
2 types
1 type
points = 4
points = 2
points = 1
points = 0
H 1.2. Hydroperiods (see p. 73)
Check the types of water regimes (hydroperiods) present within the wetland The
water regime has to cover more than 10% of the wetland or % acre to count. (see text
for descriptions of hydroperiods)
_Permanently flooded or inundated
-L Seasonally flooded or inundated
_Occasionally flooded or inundated
~ Saturated only
_ Permanently flowing stream or river in, or adjacent to, the wetland
_ Seasonally flowing stream in, or adjacent to, the wetland
_,Lake-fringe wetland = 2 points
_Freshwater tidal wetland = 2 points
H 1.3. Richness of Plant Svecies (seep. 75)
Count the number of plant species in the wetland that cover at least 10 if. (different
patches of the same species can be combined to meet the size threshold)
You do not have to name the species.
Do not include Eurasian Milfoil, reed canary grass, purple loosestrife, Canadian
Thistle
4 or more types present
3 types present
2 types present
points = 3
points = 2
point = 1
If you counted:
List species below if you want to:
> 19 species
5 - 19 species
< 5 species
points = 2
points = 1
points = 0
Wetland Rating Form - western Washington
13
August 2004
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Decided from the diagrams below whether interspersion between types of
vegetation (described in H 1.1), or vegetation types and unvegetated areas (can
include open water or mudflats) is high, medium, low, or none.
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None = 0 points
Low = 1 point
Moderate = 2 points
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[riparian braided channels]
High = 3 points
NOTE: If you have four or more vegetation types or three vegetation types
and 0 en water the ratin is alwa s "hi ".
H 1.5. St>ecial Habitat Features: (seep. 77)
Check the" habitat features that are present in the wetland The number of checks is
the number of points you put into the next column.
~Large, downed, woody debris within the wetland (>4in. diameter and 6 it long).
_Standing snags (diameter at the bottom> 4 inches) in the wetland
_Undercut banks are present for at least 6.6 it (2m) and/or overhanging vegetation
extends at least 3.3 it (1m) over a stream for at least 33 it (10m)
_Stable steep banks of fine material that might be used by beaver or muskrat for
denning (>30degree slope) OR signs ofrecent beaver activity are present
_At least ~ acre of thin-stemmed persistent vegetation or woody branches are present
in areas that are permanently or seasonally inundated (structures for egg-laying by
amphibians)
-.::L Invasive plants cover less than 25% of the wetland area in each stratum of plants
HI. TOTAL Score - potential for providing habitat
Add the scores in the column above
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H 2. Does the wetland have the opportunity to provide habitat for many species? JHHH
H 2.1 Buffers (see p. 80)
Choose the description that. best represents condition of buffer of wetland The highest
scoring criterion that applies to the wetland is to be used in the rating. See textfor
definition of "undisturbed. "
- 100 m (330ft) of relatively undisturbed vegetated areas, rocky areas, or open water
>95% of circumference. No developed areas within undisturbed part of buffer.
(relatively undisturbed also means no-grazing) Points = 5
- 100 m (330 ft) of relatively undisturbed vegetated areas, rocky areas, or open water
> 50% circumference. Points = 4
- 50 m (170ft) of relatively undisturbed vegetated areas, rocky areas, or open water
>95% circumference. Points = 4
- 100 m (330ft) of relatively undisturbed vegetated areas, rocky areas, or open water
> 25% circumference, . Points = 3
- 50 m (170ft) of relatively undisturbed vegetated areas, rocky areas, or open water
for> 50% circumference. Points = 3
If buffer does not meet any of the three criteria above
- No paved areas (except paved trails) or buildings within 25 m (80ft) of wetland >
AI 95% circumference. Light to moderate grazing, or lawns are OK. Points = 2
- No paved areas or buildings within 50m of wetland for >50% circumference.
Light to moderate graZing, or lawns are OK. Points = 2
- Heavy grazing in buffer. Points = 1
- Vegetated buffers are <2m wide (6.6ft) for more than 95% of the circumference
(e.g. tilled fields, paving, basalt bedrock extend to edge of wetland Points = O.
- Buffer does not meet any of the criteria above. Points = 1
H 2.2 Corridors and Connections (seep. 81)
H 2.2.1 Is the wetland part of a relatively undisturbed and unbroken vegetated
corridor (either riparian or upland) that is at least 150 ft wide, has at least 30% cover
of shrubs, forest or native undisturbed prairie, that connects to estuaries, other
wetlands or undisturbed uplands that are at least 250 acres in size? (dams in riparian
corridors, heavily used gravel roads, paved roads, are considered breaks in the
corridor). .-,."
YES = 4 points (go to H 2.3) (NO ~1 go to H 2.2.2
H 2.2.2 Is the wetland part of a relatively undistur5e<riilld unbroken vegetated
corridor (either riparian or upland) that is at least 50ft wide, has at least 30% cover of
shrubs or forest, and connects to estuaries, other wetlands or undisturbed uplands
that are at least 25 acres in size? OR a Lake-fringe wetland, if it does not have an
undisturbed corridor as in the question above?
YES = 2 points (go to H 2.3) NO =H 2.2.3
H 2.2.3 Is the wetland:
within 5 mi (8Ian) of a brackish or salt water estuary OR
within 3 mi of a ll:l!ge field or pasture (>40 acres) OR
within 1 mi o(a:fake greater than 20 acres?
(YESf: 1 point NO = 0 points
Wetland Rating Form-western Washington
15
August 2004
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H 2.3 Near or adiacent to other priority habitats listed bv WDFW (see p. 82)
Which of the following priority habitats are within 330ft (100m) of the wetland?
(see text for a more detailed description of these priority habitats)
_Riparian: The area adjacent to aquatic systems with flowing water that contains
elements of both aquatic and terrestrial ecosystems which mutually influence each other.
_Aspen Stands: Pure or mixed stands of aspen greater than 0.8 ha (2 acres).
_Cliffs: Greater than 7.6 m (25 ft) high and occurring below 5000 ft.
_Old-growth forests: (Old-growth west of Cascade crest) Stands of at least 2 tree
species, forming a multi-layered canopy with occasional small openings; with at
least 20 trees/ha (8 trees/acre) > 81 cm (32 in) dbh or> 200 years of age.
v!' Mature forests: Stands with average diameters exceeding 53 cm (21 in) dbh; crown
cover may be less that 100%; crown cover may be less that 100%; decay,
decadence, numbers of snags, and quantity of large downed material is generally
less than that found in old-growth; 80 - 200 years old west of the Cascade crest.
____Prairies: Relatively undisturbed areas (as indicated by dominance of native plants)
where grasses and/or forbs form the natural climax plant community.
_Talus: Homogenous areas of rock rubble ranging in average size 0.15 - 2.0 m (0.5 -
6.5 ft), composed of basalt, andesite, and/or sedimentary rock, including riprap
slides and mine tailings. May be associated with cliffs.
_Caves: A naturally occurring cavity, recess, void, or system of interconnected
passages
_Oregon white Oak: Woodlands Stands of pure oak or oak/conifer associations
where canopy coverage of the oak component of the stand is 25%.
_Urban Natural Open Space: A priority species resides within or is adjacent to the
open space and uses it for breeding and/or regular feeding; and/or the open space
functions as a corridor connecting other priority habitats, especially those that
would otherwise be isolated; and/or the open space is an isolated remnant of natural
habitat larger than 4 ha (10 acres) and is surrounded by urban development.
_EstuarylEstuary-like: Deepwater tidal habitats and adjacent tidal wetlands, usually
semi-enclosed by land but with open, partly obstructed or sporadic access to the
open ocean, and in which ocean water is at least occasionally diluted by freshwater
runoff from the land. The salinity may be periodically increased above that of the
open ocean by evaporation. Along some low-energy coastlines there is appreciable
dilution of sea water. Estuarine habitat extends upstream and landward to where
ocean-derived salts measure less than 0.5% during the period of average annual low
flow. Includes both estuaries and lagoons.
MarinelEstuarine Shorelines: Shorelines include the intertidal and subtidal zones
of beaches, and may also include the backshore and adjacent components of the
terrestrial landscape (e.g., cliffs, snags, mature trees, dunes, meadows) that are
important to shoreline associated fish and wildlife and that contribute to shoreline
function (e.g., sand/rockllog recruitment, nutrient contribution, erosion control).
Ifwetland has 3 or more priority habitats = 4 points
If wetland has 2 priority habitats = 3 points
If wetland has 1 priority habitat = 1 point No habitats = 0 points
Wetland Rating Form - western Washington
16
August 2004
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wetland that best fits) (see p. 84)
There are at least 3 other wetlands within 'lS mile, and the connections between them
are relatively undisturbed (light grazing between wetlan~ OK, as is lake shore with
some boating, but connections should NOT be bisected by paved roads, fill, fields,
or other development. . points = 5
The wetland is Lake-fringe on a lake with little disturbance and there are 3 other lake-
fringe wetlands within 'lS mile points = 5
There are at least 3 other wetlands within 'lS mile, BUT the connections between them
are disturbed points = 3
The wetland is Lake-fringe on a lake with disturbance and there are 3 other lake- -:,
fringe wetland within 'lS mile points = 3
There is at least 1 wetland within Y2 mile. points = 2
There are no wetlands within 'lS mile. points = 0
H 2. TOTAL Score - opportunity for providing habitat 7
Add the scores in the column above
Total Score for Habitat Functions - add the points for HI, H 2 and record the result on It..{
p. 1
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Wetland Rating Form - western Washington
17
, August 2004
CATEGORIZATION BASED ON SPECIAL CHARACTERISTICS
i
.
Please determine if the wetland meets the attributes described helow and circle the
appropriate answers and Category.
Wetland Type
Check off any criteria that apply to the wet/and. Circle the appropriate Category
when the appropriate criteria are met.
SC 1.0 Estuarine wetlands (seep. 86)
Does the wetland meet the following criteria for Estuarine wetlands?
- The dominant water regime is tidal,
- Vegetated, and
- With a salinity greater than 0.5 ppt.
YES = Go to SC 1.1 NO
SC 1.1 Is the wetland within a National Wildlife Refuge, National Park,
National Estuary Reserve, Natural Area Preserve~ State Park or Educational,
Environmental, or Scientific Reserve designated under WAC 332-30-151?
YES = Category I NO go to SC 1.2
SC 1.2 Is the wetland at least 1 acre in size and meets at least two of the
following three conditions? YES = Category I NO = Category II
- The wetland is relatively undisturbed (has no diking, ditching, filling,
cultivation, grazing, and has less than 10% cover of non-native plant
species. If the non-native Spartina spp. are the only species that cover
more than 10% of the wetland, then the wetland should be given a dual
rating (1111). The area of Spartina would be rated a Category IT while the
relatively undisturbed upper marsh with native species would be a
Category 1. Do not, however, exclude the area of Spartina in
determining the size threshold of 1 acre.
- At least % of the landward edge of the wetland has a 100 ft buffer of
shrub, forest, or un-grazed or un-mowed grassland.
- The wetland has at least 2 of the following features: tidal channels,
depressions with open water, or contiguous freshwater wetlands.
Category
Cat. I
Cat. I
Cat. II
Dual
rating
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Wetland Rating Form - western Washington
18
August 2004
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SC 2.0 Natural Heritage Wetlands (seep. 87)
Natural Heritage wetlands have been identified by the Washington Natural Heritage
Program/DNR as either high quality undisturbed wetlands or wetlands that support
state Threatened, Endangered, or Sensitive plant species.
SC 2.1 Is the wetland being rated in a Section/Township/Range that ,contains a
Natural Heritage wetland? (this question is used to screen out most sites
before you need to contact WNHP/DNR)
S/T/R infonnation from Appendix D _ or accessed from WNHPIDNR web site _
YES_ - contact WNHP/DNR (see p. 79) and go to SC 3.2
NO
SC 2.2 Has DNR identified the wetland as a high quality undisturbed wetland or as
or as a site with state threatened or endangered plant species?
YES = Category I NO _
SC 3.0 Bogs (seep. 87)
Does the wetland (or part of the wetland) meet both the criteria for soils and
vegetation in bogs? Use the key below to identify if the wetland is a bog. If you
answer yes you will still need to rate the wetland based on its functions.
1. Does the wetland have organic soil horizons (i.e. layers of organic soil),
either peats or mucks, that compose 16 inches or more of the first 32 inches
of the soil profile? (See Appendix B for a field key to identify organic
soils)? Yes - go to Q. 3 No - go to Q. 2
2, Does the wetland have organic soils, either peats or mucks.that are less than
16 inches deep over bedrock, or an impermeable hardpan such as clay or
volcanic ash, or that are floating on a lake or pond?
Yes - go to Q. 3 No - Is not a bog for purpose of rating
3. Does the wetland have more than 70% cover of mosses at ground level,
AND other plants, if present, consist of the "bog" species listed in Table 3
as a significant component of the vegetation (more than 30% of the total
shrub and herbaceous cover consists of species in Table 3)?
Yes - Is a bog for purpose of rating No - go to Q. 4
NOTE: If you are uncertain about the extent of mosses in the understory
you may substitute that criterion by measuring the pHofthe water that
seeps into a hole dug at least 16" deep. If the pH is less than 5.0 and the
"bog" plant species in Table 3 are present, the wetland is a bog.
3. Is the wetland forested (> 30% cover) with sitka spruce, subalpine fir,
western red cedar, western hemlock, lodgepole pine, quaking aspen,
Englemann's spruce, or western white pine, WITH any of the species (or
combination of species) on the bog species plant list in Table 3 as a
significant component of the ground cover (> 30% coverage of the total
shrublherbaceous cover)?
4. YES = Category I
No_Is not a bog for purpose of rating
Wetland Rating Fonn - western Washington
19
August 2004
Cat. I
Cat. I
SC 4.0 Forested Wetlands (see p. 90)
Does the wetland have at least I acre of forest that meet one of these criteria for the
Department ofFish and Wildlife's forests as priority habitats? If you answer yes you
will still need to rate the wetland based on its functions.
- Old-growth forests: (west of Cascade crest) Stands of at least two tree species,
forming a multi-layered canopy with occasional small openings; with at least 8
trees/acre (20 trees/hectare) that are at least 200 years of age OR have a
diameter at breast height (dbh) of32 inches (81 cm) or more.
NOTE: The criterion for dbh is based on measurements for upland forests.
Two-hundred year old trees in wetlands will often have a smaller dbh
because their growth rates are often slower. The DFW criterion is and "OR"
so old-growth forests do not necessarily have to have trees of this diameter.
- Mature forests: (west ofthe Cascade Crest) Stands where the largest trees are
80 - 200 years old OR have average diameters (dbh) exceeding21 inches
(53cm); crown cover may be less that 100%; decay, decadence, numbers of
snags, and quantity oflarge downed material is generalIyless than that found
in old-growth.
YES = Category I
NO
SC 5.0 Wetlands in Coastal Lagoons (see p. 91)
Does the wetland meet all of the following criteria ofa wetland in a coastal lagoon?
- The wetland lies in a depression adjacent to marine waters that is wholly
or partially separated from marine waters by sandbanks, gravel banks,
shingle, or, less frequently, rocks
- The lagoon in which the wetland is located contains surface water that is
saline or brackish (> 0.5 ppt) during most of the year in at least a portion
of the lagoon (needs to be measured near the bottom)
YES = Go to SC 5.1 NO_not a wetland in a coastal lagoon
SC 5.1 Does the wetland meets all of the following ,three conditions?
- The wetland is relatively undisturbed (has no diking, ditching, filling,
cultivation, grazing), and has less than 20% cover of invasive plant
species (see list of invasive species on p. 74).
- At least % of the landward edge of the wetland has a 100 ft buffer of
shrub, forest, or un-grazed or un-mowed grassland.
- The wetland is larger than 1/10 acre (4350 square feet)
YES = Category I NO = Category II
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Wetland Rating Form - western Washington
20
August 2004
Cat. I
Cat. I
Cat. II
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SC 6.0 Interdunal Wetlands (seep. 93)
Is the wetland west ofthe 18891ine (also called the Western Boundary of Upland
Ownership or WBUO)?
YES - go to SC 6.1 NO _ not an interdunal wetland for rating
If you answer yes you will still need to rate the wetland based on its
functions.
In practical terms that means the following geographic areas:
· Long Beach Peninsula- lands west of SR 103
· Grayland-Westport-Iands west ofSR 105
· Ocean Shores-Copalis- lands west of SR 115 and SR 109
SC 6.1 Is the wetland one acre or larger, or is it in a mosaic of wetlands that is
once acre or larger?
YES = Category II NO - go to SC 6.2
SC 6.2 Is the wetland between 0.1 and I acre, or is it in a mosaic of wetlands that
is between 0.1 and 1 acre?
YES = Category III
Category ohvetland based on Special Characteristics , '. ',', ,,"."... " '>" ,." ,;.
Choose the "highest" rating ifwetlaruJfallsinroseverqlcatego,1j€!s;~i!d re~or'l1.Ji1J
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Ifou'answeredNO for all es'enter,"NotA
Cat. II
Cat. III
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Wetland Rating Form - western Washington
21
August 2004
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WETLAND RATING FORM - WESTERN WASHINGTON
Name of wetland (ifknown): WE,L-AcNO
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Location: SEC: "?~ TWNSHP:j>JJRNGE: IN (attach map with outline of wetland to rating form)
Affiliation: . L."NOA~ Date of site visit: ~7- 8/ ~ "l-
12.A-n,oJ<$- rlCvl.s!i:::. \:) l'\A I"~ 'l..oOS
Person(s) Rating Wetland: 0 t-15
SUMMARY OF RATING
Category based on FUNCTIONS provided by wetland
I II III IV1
Category I = Score >=70
Category IT = Score 51-69
Category ill = Score 30-50
Category IV = Score < 30
Score for Water Quality Functions
Score for Hydrologic Functions
Score for Habi~t Functions
TOTAL score for functions
Category based on SPECIAL CHARACTERISTICS of wetland
I II Does not Apply_
Final Category (choose the "highest" category from above)
Check the appropriate type and class of wetland being rated.
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De ressional X
Riverine
Lake-frin e
Slo e
Flats
Freshwater Tidal
Estuarine
Natural Herita e Wetland
Bo
Mature Forest
Old Growth Forest
Coastal La' oon
Interdunal
None of the above
Wetland Rating Form- western Washington
August 2004
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Does the wetland being rated meet any of the criteria below?
If you answer YES to any of the questions below you will need to protect the wetland
according to the regulations regarding the special characteristics found in the wetland.
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SPI. Has the wetland been documented as a habitat/or any Federally listed
Threatened or Endangered plant or animal species (TIE species)?
For the purposes of this rating system, "documented" means the wetland is on the
a ro riate state or federal database.
SP2. Has the wetland been documented as habitat/or any State listed Threatened or
Endangered plant or animal species?
For the purposes of this rating system, "documented" means the wetland is on the
a ro riate state database.
SP3. Does the wetland contain individuals o/Priority species listed by the WDFW
for the state?
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SP4. Does the wetland have a local significance in addition to its functions? For
example, the wetland has been identified in the Shoreline Master Program,
the Critical Areas Ordinance, or in a local management plan as having
special significance.
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To comvlete the next part of the data sheet yOU will need to determine the
Hvdrogeomorphic Class of the wetland being rated.
The hydrogeomorphic classification groups wetlands into those that function in similar ways. This
simplifies the questions needed to answer how well the wetland functions. The Hydrogeomorphic
Class of a wetland can be determined using the key below. See p. 24 for more detailed instructions
on classifying wetlands.
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Classification of Vegetated Wetlands for Western Washington
Wetland Name: U.) (d-.Q_c>f'c\ elT Date: \{'(\'7t'(s 8 i 2. Cart.
1. ~tb,.~:tater levels in the wetland usually controlled by tides (i.e. except during floods)?
~..../ go to 2 YES - the wetland class is Tidal Fringe
If yes, is the salinity of the water during periods of annual low flow below 0.5 ppt (parts per
thousand)? YES - Freshwater Tidal Fringe NO - Saltwater Tidal Fringe (Estuarine)
/fyour wetland can be classified as a Freshwater Tidal Fringe use theformsfor Riverine
wetlands. /fit is Saltwater Tidal Fringe it is rated as an Estuarine wetland. Wetlands ,that
were called estuarine in the ftrst and second editions of the rating system are called Salt
Water Tidal Fringe in the Hydrogeomorphic Classiftcation. Estuarine wetlands were
categorized separately in the earlier editions, and this separation is being kept in this
revision. To maintain consistency between editions, the term "Estuarine" wetland is kept.
Please note, however, that the characteristics that define Category I and II estuarine
wetlands have changed (see p. ).
2. Is tJ;!~. topography within the wetland flat and precipitation is only source (>90%) of water to it.
~~ go to 3 YES - The wetland class is Flats
If your wetland can be classifted as a "Flats" wetland, use the form for Depressional
wetlands.
3. Does the wetland meet both of the following criteria?
_The vegetated part of the wetland is on the shores of a body of open water (without any
vegetation on the surface) where at least 20 acres (8 ha) are permanently inundated
(ponded or flooded);
,_, At least 30% of the open water area is deeper than 6.6 ft (2 m)?
,NO ::;->go to 4 YES - The wetland class is Lake-fringe (Lacustrine Fringe)
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4. Does the wetland meet all of the following criteria?
_The wetland is on a slope (slope can be very gradual),
_The water flows through the wetland in one direction (unidirectional) and usually
comes from seeps. It may flow subsurface, as sheetflow, or in a swale without distinct
banks.
_The water leaves the wetland without being impounded?
NOTE: Surface water does not pond in these type of wetlands except occasionally in
very small and shallow depressions or behind hummocks( depressions are usually
/<)~, <3ft diameter and less than 1 foot deep).
~ go to 5 YES - The wetland class is Slope
5. Is the wetland in a valley, or stream channel, where it gets inundated by overbank flooding from
that stream or river? The flooding should occur at least once every two years, on the average, to
answer "yes." The wetland can contain depressions that are filled with water when the river is
nptfla.", (Jding.
(NO :::/go to 6 YES - The wetland class is Riverine
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Wetland Rating Form - western Washington
3
August 2004
6. Is the wetland in a topographic depression in which water ponds, or is saturated to the surface, at .:
some time of the year. This means that any outlet, ifpresent, is higher than the interior of the II
wetland <<"'~"",
NO - go to 7 Q"E~j- The wetland class is Depressional
7. Is the wetland located in a very flat area with no obvious depression and no stream or river
running through it and providing water. The wetland seems to be maintained by high
groundwater in the area. The wetland may be ditched, but has no obvious natural outlet.
NO - go to 8 (~S) The wetland class is Depressional
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8. Your wetland seems to be difficult to classify. For example, seeps at the base of a slope may
grade into a riverine floodplain, or a small stream within a depressional wetland has a zone of
flooding along its sides. Sometimes we find characteristics of several different hydrogeomorphic
classes within one wetland boundary. Use the following table to identify the appropriate class to
use for the rating system if you have several HGM classes present within your wetland. NOTE:
Use this table only if the class that is recommended in the second column represents 10% or more
of the total area ,of the wetland being rated. If the area of the second class is less than 10% classify
the wetland using the first class.
HGN1Clasies. Within a Deltn'eatedWetlandBoundil".
Slo e + Riverine
Slo e + De ressional
Slo e + Lake-frin e
Depressional + Riverine along stream within boundary
D ressional + Lake- frin e
Salt Water Tidal Fringe and any other class of freshwater
wetland
T(;kiss 'i(j 'Use: in Rattn
Riverine
D ressional
Lake- frin e
Depressional
De ressional
Treat as ESTUARINE under
wetlands with special
characteristics
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If you are unable still to determine which of the above criteria apply to your wetland, or you have
more than 2 HGM classes within a wetland boundary, classify the wetland as Depressional for
the rating.
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Wetland Rating Form - western Washington
4
August 2004
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WATER QUALITY FUNCTIONS - Indicators that wetland functions to improve
water quality
D D 1. Does the wetland have the potential to im~rove water quality? (seep. 38)
D
D 1.1 Characteristics of surface water flows out of the wetland:
Wetland is a depression with no surface water outlet points = 3
JWetland has an intermittently flowing, or highly constricted, outlet points = 2
Wetland has an unconstricted surface outlet points = 1
Wetland is flat and has no obvious outlet and/or outlet is a ditch oints = 1
D 1.2 The soil 2 inches below the surface is clay, organic, or smells anoxic
(hydrogen sulfide or rotten eggs).
YES points = 4
NO oints = 0
D 1.3 Characteristics of persistent vegetation (emergent, shrub, and/or forest class):
Wetland has persistent, ungrazed, vegetation> = 95% of area points = 5
Wetland has persistent, ungrazed, vegetation> = 1/2 of area points = 3
Wetland has persistent, ungrazed vegetation> = 1/10 of area points = 1
Wetland has ersistent, un razed ve etation <1/10 of area oints = 0
D1.4 Characteristics of seasonal ponding or inundation.
This is the area of the wetland that is ponded for at least 2 months, but dries out
sometime during the year. Do not count the area that is permanently ponded.
Estimate area as the average condition 5 out of 1 0 yrs.
Area seasonally ponded is > Y2 total area of wetland points = 4
Area seasonally ponded is > % total area of wetland points = 2
Area seasonally ponded is < Y4 total area of wetland points = 0
NOTE: See text or indicators 0 seasonal and ermanent inundation..
Total for D 1 Add the points in the boxes above
D 2. Does the wetland have the opportunity to improve water quality? (see p. 44)
Answer YES if you know or believe there are pollutants in groundwater or surface
water coming into the wetland that would otherwise reduce water quality in
streams, lakes or groundwater downgradient from the wetland? Note which of the
following conditions provide the sources of pollutants.
- Grazing in the wetland or within 150 ft
- Untreated stormwater discharges to wetland
- Tilled fields or orchards within 150 ft of wetland
- A stream or culvert discharges into wetland that drains developed areas,
residential areas, farmed fields, roads, or clear-cut logging
- Residential, urban areas, golf courses are within 150 ft of wetland
- Wetland is fed by groundwater high in phosphorus or nitrogen .,
Other ~f~::>\~~ l/"u",U.::,aJ!' .........), ~c.."'f'(.\.;:D.'% Bl>."-.. ~~".,t'^''''' \5::)( ,~.-
S multi lier is 2 NO I multi lier is-i '.'-.)U'd
TOTAL -Water Quality Functions Multiply the score from D 1 by D2
Add score to table on . 1
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5
August 2004
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HYDROLOGIC FUNCTIONS - Indicators that wetland functions to reduce
flooding and stream degradation
D 3. Does the wetland have the potential to reduce flooding and erosion?
(see D. 46)
D 3.1 Characteristics of surface water flows out of the wetland
Wetland has no surface water outlet points = 4
JW etland has an intermittently flowing, or highly constricted, outlet points = 2 2-.
Wetland is flat and has no obvious outlet and/or outlet is a small ditch points = I
Wetland has an unconstricted surface. outlet points = 0
D 3.2 Depth of storage during wet periods
Estimate the height of ponding above the bottom of the outlet
Marks of ponding are 3 ft or more above the surface points = 7
.J The wetland is a "headwater" wetland" points = 5 S
Marks of ponding between 2 ft to < 3 ft from surface points = 5
Marks are at least 0.5 ft to < 2 ft from surface points = 3
Wetland is flat but has small depressions on the surface that trap water points = I
Marks ofponding less thanO.5ft points = 0
D 3.3 Contribution of wetland to storage in the watershed
Estimate the ratio of the area of upstream basin contributing surface water to the
wetland to the area of the wetland itself.
The area of the basin is less than 10 times the area of wetland points = 5
o
The area of the basin is 10 to 100 times the area of the wetland points = 3
-/The area of the basin is more than 100 times the area of the wetland points = 0
Wetland is in the FLATS class (basin = the wetland, by defInition) points = 5 '
Total for D 3 Add the points in the boxes above 1
D4. Does the wetland have the opportunity to reduce flooding and erosion?
(see p. 49)
Answer YES if the wetland is in a location in the watershed where the flood
storage, or reduction in water velocity, it provides helps protect downstream
property and aquatic resources from flooding or excessive and/or erosive flows.
Answer NO if the water coming into the wetland is controlled by a structure such
as flood gate, tide gate, flap valve, reservoir etc. OR you estimate that more than
90% of the water in the wetland is from groundwater.
Note which of the following indicators of opportunity apply.
- Wetland is in a headwater of a river or stream that has. flooding problems
- Wetland drains to a river or stream that has flooding problems multiplier
- Wetland has no outlet and impounds surface runoff water that might
otherwise flow into a river or stream that has flooding problems 2-
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(YES) multiplier is i ,~ Itb) ~cltipli~r is 1 ~ ~"::;l:;"_'''o<.- A.,) :,~_~,"_J,.-e_8),9c.f~.
,_"f TOTAL _ Hydrologic Functions Multiply the score from D 3 by D 4
Add score to table on p. 1 \ t.\
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6
August 2004
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HABITAT FUNCTIONS - Indicators that wetland functions to provide important habitat
H 1. Does the wetland have the potential to provide habitat for many species?
H 1.1 Vegetation structure (see p. 72)
Check the types of vegetation classes present (as defined by Cowardin) if the class
covers more than 10% of the area of the wetland or ~ acre.
_Aquatic bed
v Emergent plants
----L....Scrub/shrub (areas where shrubs have >30% cover)
-LForested (areas where trees have >30% cover)
_Forested areas have 3 out of 5 strata (canopy, sub-canopy, shrubs, herbaceous,
moss/ground-cover)
Add the number of vegetation types that qualify.
If you have:
4 types or more
3 types
2 types
1 type
points = 4
points = 2
points = 1
points = 0
H 1.2. Hvdroperiods (seep. 73)
Check the types of water regimes (hydroperiods) present within the wetland. The
water regime has to cover more than 10% of the wetland or ~ acre to count. (see text
for descriptions of hydroperiods)
_Permanently flooded or inundated
~ Seasonally flooded or inundated
_Occasionally flooded or inundated
-L Saturated only
_ Permanently flowing stream or river Ill, or adjacent to, the wetland
_ Seasonally flowing stream Ill, or adjacent to, the wetland
_ Lake-fringewetland = 2 points
_Freshwater tidal wetland = 2 points
H 1.3. Richness of Plant Species (seep. 75)
Count the number of plant species III the wetland that cover at least 10 W. (different
patches of the same species can be combined to meet the size threshold)
You do not have to name the species.
Do not include Eurasian Milfoil, reed canarygrass, purple loosestrife, Canadian
Thistle
4 or more types present
3 types present
2 types present
If you counted:
List species below if you want to:
> 19 speCIes
5 - 19 species
< 5 speCIes
Wetland Rating Form - western Washington
13
points = 3
points = 2
point = I
points = 2
points = 1
points = 0
August 2004
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H 1.4. Interspersion of habitats (seep. 76)
Decided from the diagrams below whether interspersion between types of
vegetation (described in H 1.1), or vegetation types and unvegetated areas (can
include open water or mudflats) is high, medium, low, or none.
C)
None = 0 points
Low = 1 point
Moderate = 2 points
/
[riparian braided channels]
High = 3 points
NOTE: If you have four or more vegetation types or three vegetation types
and 0 en water the ratin is alwa s "hi h".
H 1.5. Special Habitat Features: (see p. 77)
Check the habitat features that are present in the wetland The number of checks is
the number of points you put into the next column.
~ Large, downed, woody debris within the wetland (>4in. diameter and 6 ft long).
_Standing snags (diameter at the bottom> 4 inches) in the wetland
_Undercut banks are present for at least 6.6 ft (2m) and/or overhanging vegetation
extends at least 3.3 ft (lm) over a stream for at least 33 ft (10m)
_Stable steep banks of fine material that might be used by beaver or muskrat for
denning (>30degree slope) OR signs of recent beaver activity are present
,../ At least y,. acre of thin-stemmed persistent vegetation or woody branches are present
in areas that are permanently or seasonally inundated (structures for egg-laying by
amphibians) .
_ Invasive plants cover less than 25% of the wetland area in each stratum of plants
HI. TOTAL Score - potential for providing habitat
Add the scores in the column above
Comments
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H 2. Does the wetland have the opportunity to provide habitat for many species? ~ r'
H 2.1 Buffers (seep. 80) JL:
Choose the description that best represents condition of buffer of wetland. The highest
scoring criterion that applies to the wetland is to be used in the rating. See text for
definition of "undisturbed"
- 100 m (330ft) of relatively undisturbed vegetated areas, rocky areas, or open water
>95% of circumference. No developed areas within undisturbed part of buffer.
(relatively undisturbed also means no-grazing) Points = 5
- 100 m (330 ft) of relatively undisturbed vegetated areas, rocky areas, or open water
> 50% circumference. Points = 4
- 50 m (170ft) of relatively undisturbed vegetated areas, rocky areas, or open water
>95% circumference. Points = 4
J 100 m (330ft) of relatively undisturbed vegetated areas, rocky areas, or open water
> 25% circumference, . Points = 3
- 50 m (170ft) of relatively undisturbed vegetated areas, rocky areas, or open water
for> 50% circumference. Points = 3
If buffer does not meet any of the three criteria above
- No paved areas (except paved trails) or buildings within 25 m (80ft) of wetland >
95% circumference. Light to moderate grazing, or lawns are OK. Points = 2
- No paved areas or buildings within 50m of wetland for >50% circumference.
Light to moderate grazing, or lawns are OK. Points = 2
- Heavy grazing in buffer. Points = 1
- Vegetated buffers are <2m wide (6.6ft) for more than 95% of the circumference
(e.g. tilled fields, paving, basalt bedrock extend to edge of wetland Points = O.
- Buffer does not meet any of the criteria above. Points = 1
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H 2.2 Corridors .and Connections (see p. 81)
H 2.2.1 Is the wetland part of a relatively undisturbed and unbroken vegetated
corridor (either riparian or upland) that is at least 150 ft wide, has at least 30% cover
of shrubs, forest or native undisturbed prairie, that connects to estuaries, other
wetlands or undisturbed uplands that are at least 250 acres in size? (dams in riparian
corridors, heavily used gravel roads, paved roads, are considered breaks in the
corridor).
YES = 4 points (go to H 2.3) ./NO= go to H 2.2.2
H 2.2.2 Is the wetland part of a relatively undisturbed and unbroken vegetated
. corridor (either riparian or upland) that is at least 50ft wide, has at least 30% cover of
shrubs or forest, and connects to estuaries, other wetlands or undisturbed uplands
that are at least 25 acres in size? OR a Lake-fringe wetland, if it does not have an
undisturbed corridor as in the question above?
YES = 2 points (go to H 2.3)
H 2.2.3 Is the wetland:
(,.-Within 5 mi (8Ian) of a brackish or salt water estuary OR
within 3 mi of a large field or pasture (>40 acres) OR
within 1 mi of a lake greater than 20 acres?
t..-VES = 1 point
vNO = H 2.2.3
NO = 0 points
Wetland Rating Form - western Washington
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Which of the following priority habitats are within 330ft (100m) of the wetland?
(see text for a more detailed description of these priority habitats)
_Riparian: The area adjacent to aquatic systems with flowing water that contains
elements of both aquatic and terrestrial ecosystems which mutually influence each other.
_Aspen Stands: Pure or mixed stands of aspen greater than 0.8 ha (2 acres).
_Cliffs: Greater than 7.6 m (25 ft) high and occurring below 5000 ft.
_Old-growth forests: (Old-growth west of Cascade crest) Stands of at least 2 tree
species, forming a multi-layered canopy with occasional small openings; with at
least 20 trees/ha (8 trees/acre) > 81 cm (32 in) dbhor > 200 years of age.
~Mature forests: Stands with average diameters exceeding 53 cm (21 in) dbh; crown
cover may be less that 100%; crown cover may be less that 100%; decay,
decadence, numbers of snags, and quantity of large downed material is generally
less than that found in old-growth; 80 - 200 years old west of the Cascade crest.
_Prairies: Relatively undisturbed areas (as indicated by dominance of native plants)
where grasses and/or forbs form the natural climaX plant community.
_Talus: Homogenous areas of rock rubble ranging in average size 0.15 - 2.0 m (0.5 -
6.5 ft), composed of basalt, andesite, and/or sedimentary rock, including riprap
slides and mine tailings. May be associated with cliffs.
_ Caves: A naturally occurring cavity, recess, void, or system of interconnected
passages
_Oregon white Oak: Woodlands Stands of pure oak or oak/conifer associations
where canopy coverage of the oak component of the stand is 25%.
_Urban Natural Open Space: A priority species resides within or is adjacent to the
open space and uses it for breeding and/or regular feeding; and/or the open space
functions as a corridor connecting other priority habitats, especially those that
would otherwise be isolated; and/or the open space is an isolated remnant of natural
habitat larger than 4 ha (10 acres) and is surrounded by urban development.
_EstuarylEstuary-like: Deepwater tidal habitats and adjacent tidal wetlands, usually
semi-enclosed by land but with open, partly obstructed or sporadic access to the
open ocean, and in which ocean water is at least occasionally diluted by freshwater
runoff from the land. The salinity may be periodically increased above that of the
open ocean by evaporation. Along some low-energy coastlines there is appreciable
dilution of sea water. Estuarine habitat extends upstream and landward to where
ocean-derived salts measure less than 0.5% during the period of average annual low
flow. Includes both estuaries and lagoons.
_MarinelEstuarine Shorelines: Shorelines include the intertidal and subtidal zones
of beaches, and may also include the backshore and adjacent components of the
terrestrial landscape (e.g., cliffs, snags, mature trees, dunes, meadows) that are
important to shoreline associated fish and wildlife and that contribute to shoreline
function (e.g., sand/rock/log recruitment, nutrient contribution, erosion control).
If wetland has 3 or more priority habitats = 4 points
If wetland has 2 priority habitats = 3 points
If wetland has 1 priority habitat = 1 Doint No habitats = 0 points
Wetland Rating Form - western Washington
16
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H 2.4 Wetland Landscape (choose the one description of the landscape around the
wetland that best fits) (see p. 84)
There are at least 3 other wetlands within 1'2 mile, and the connections between them
are relatively undisturbed (light grazing between wetlands OK, as is lake shore with
some boating, but connections should NOT be bisected by paved roads, fill, fields,
or other development. points = 5
The wetland is Lake-fringe on a lake with little disturbance and there are 3 other lake- ~
fringe wetlands within Y2 mile points = 5 --
There are at least 3 other wetlands within 1'2 mile, BUT the connections between them
are disturbed points = 3
The wetland is Lake-fringe on a lake with disturbance and there are 3 other lake- .
fringe wetland within Y2 mile points = 3
There is at least 1 wetland within 1'2 mile. points = 2
There are no wetlands within 1'2 mile. points = 0
H 2. TOTAL Score - opportunity for providing habitat '8
, Add the scores in the column above
Total Score for Habitat Functions - add the points for HI, H 2 and record the result on 1<0
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Wetland Rating Form - western Washington
17
August 2004
CATEGORIZATION BASED ON SPECIAL CHARACTERISTICS
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Please determine if the wetland meets the attributes described below and circle "the
appropriate answers and Category.
Wetland Type
Check off any criteria that apply to the wetland Circle the appropriate Category
when the aDDroDriate criteria are met.
SC 1.0 Estuarine wetlands (see p. 86)
Does the wetland meet the following criteria for Estuarine wetlands?
- The dominant water regime is tidal,
- Vegetated, and
- With a salinity greater than 0.5 ppt.
YES = Go to SC 1.1 NO ./
SC 1.1 Is the wetland within a National Wildlife Refuge, National Park,
National Estuary Reserve, Natural Area Preserve, State Park or Educational,
Environmental, or Scientific Reserve designated under WAC 332-30-151?
YES = Cate~ory I NO 20 to SC 1.2
SC 1.2 Is the wetland at least I acre in size and meets at least two of the
following three conditions? YES = Category I NO = Category IT
- The wetland is relatively undisturbed (has no diking, ditching, filling,
cultivation, grazing, and has less than 10% cover of non-native plant
species. If the non-native Spartina spp. are the only species that cover
more than 10% of the wetland, then the wetland should be given a dual
rating (I/II). The area of Spartina would be rated a Category II while the
relatively undisturbed upper marsh with native species would be a
Category I. Do not, however, exclude the area of Spartina in
determining the size threshold of 1 acre.
- At least % of the landward edge of the wetland has a 100 ft buffer of
shrub, forest, or un-grazed or un-mowed grassland.
- The wetland has at least 2 of the following features: tidal channels,
depressions with open water, or contiguous freshwater wetlands.
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Category
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Cat. I
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SC 2.0 Natural Heritage Wetlands (seep. 87)
Natural Heritage wetlands have been identified by the Washington Natural Heritage
ProgramIDNR as either high quality undisturbed wetlands or wetlands that support
state Threatened,.Endangered, or Sensitive plant species.
SC 2.1 Is the wetland being rated in a Section/Township/Range that contains a
Natural Heritage wetland? (this question is used to screen out most sites
before you need to contact WNHP/DNR)
S/TIR information from Appendix D -./ or accessed from WNHP/DNR web site
Cat. I
YES_ - contact WNHPIDNR (see p. 79) and go to SC 3.2
NO~
SC 2.2 Has DNR identified the wetland as a high quality undisturbed wetland or as
or as a site with state threatened or endangered plant species?
YES = Category I NO
SC 3.0 Bogs (seep. 87)
Does the wetland (or part of the wetland) meet both the criteria for soils and
vegetation in bogs? Use the key below to identify if the wetland isa bog. If you
answer yes you will still need to rate the wetland based on its functions.
1. Does the wetland have organic soil horizons (i.e. layers of organic soil),
either peats or mucks, that compose 16 inches or more of the first 32 inches
of the soil profile? (See Appendix B for a field key to identify organic
soils)? Yes - go to Q. 3 -iNo - go to Q.2
2. Does the wetland have organic soils, either peats or mucks that are less than
16 inches deep over bedrock, or an impermeable hardpan such as clay or
volcanic ash, or that are floating on a lake or pond?
Yes - go to Q. 3 ...;No - Is not a bog for purpose of rating
3. Does the wetland have more than 70% cover of mosses at ground level,
AND other plants, if present, consist of the "bog" species listed in Table 3
as a significant component of the vegetation (more than 30% of the total
shrub and herbaceous cover consists of species in Table 3)?
Yes - Is a bog for purpose of rating "'No - go to Q. 4
NOTE: If you are uncertain about the extent of mosses in the understory
you may substitute that criterion by measuring the pH of the water that
seeps into a hole dug at least 16" deep; If the pH is less than 5.0 and the
"bog" plant species in Table 3 are present, the wetland is a bog.
3. Is the wetland forested (> 30% cover) with sitka spruce, subalpine fir,
western red cedar, western hemlock, lodgepole pine, quaking aspen,
Englemann's spruce, or western white pine, WITH any of the species (or
combination of species) on the bog species plant list in Table 3 as a
significant component of the ground cover (> 30% coverage of the total
shrublherbaceous cover)?
4. YES = Category I No -./ Is not a bog for purpose of rating
Cat. I
Wetland Rating Form - western Washington
19
August 2004
SC 4.0 Forested Wetlands (see p. 90)
Does the wetland have at least 1 acre of forest that meet one of these criteria for the
Department ofFish and Wildlife's forests as priority habitats? If you answer yes you
will still need to rate the wetland based on its junctions.
- Old-growth forests: (west of Cascade crest) Stands of at least two tree species,
forming a multi-layered canopy with occasional small openings; with at least 8
trees/acre (20 trees/hectare) that are at least 200 years of age OR have a
diameter at breast height (dbh) of32 inches (81 cm) or more.
NOTE: The criterion for dbh is based on measurements for upland forests.
Two-hundred year old trees in wetlands will often have a smaller dbh
because their growth rates are often slower. The DFW criterion is and "OR"
so old-growth forests do not necessarily have to have trees of this diameter.
- Mature forests: (west of the Cascade Crest) Stands where the largest trees are
80 - 200 years old OR have average diameters (dbh) exceeding 21 inches
(53cm); crown cover may be less that 100%; decay, decadence, numbers of
snags, and quantity of large downed material is generally less than that found
in old-growth.
YES::;: Category I NO v
SC 5.0 Wetlands in Coastal Lagoons (see p. 91)
Does the wetland meet all of the following criteria of a wetland in a coastal lagoon ?
- The wetland lies in a depression adjacent to marine waters that is wholly
or partially separated from marine waters by sandbanks, gravel banks,
shingle, or, less frequently, rocks
- The lagoon in which the wetland is located contains surface water that is
saline or brackish (> 0.5 ppt) during most of the year in at least a portion
of the lagoon (needs to be measured near the bottom) .
YES::;: Go to SC 5.1 NO ../ not a wetland in a coastal lagoon
SC 5.1 Does the wetland meets all of the following three conditions?
- The wetland is relatively undisturbed (has no diking, ditching, filling,
cultivation, grazing), and has less than 20% cover of invasive plant
species (see list of invasive species on p. 74).
- At least % of the landward edge of the wetland has a 100 ft buffer of
shrub, forest, or un-grazed or un-mowed grassland.
- The wetland is larger than 1/10 acre (4350 square feet)
YES ::;: Category I NO ::;: Category IT
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SC 6.0 Interdunal Wetlands (seep. 93)
Is the wetland west of the 1889 line (also called the Western Boundary of Upland
Ownership or WBUO)?
YES - go to SC 6.1 NO l.... not an interdunal wetland for rating
If you answer yes you will still need to rate the wetland based on its
functions.
In practical terms that means the following geographic areas:
· Long Beach Peninsula- lands west of SR 103
· Grayland-Westport-Iands west ofSR 105
· Ocean Shores-Copalis- lands west of SR 115 and SR 109
SC 6.1 Is the wetland one acre or larger, or is it in a mosaic of wetlands thatis
once acre or larger?
YES = Category II NO - go to SC 6.2 Cat. II
SC 6.2 Is the wetland between 0.1 and 1 acre, or is it in a mosaic of wetlands that
is between 0.1 and 1 acre?
YES = Category III Cat. III
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WETLAND RATING FORM - WESTERN WASHINGTON
Name of wetland (if known): UeTL-f\ ~ 'D b
Location: SEC: 33 TWNSHP: )oiVRNGE: ~ (attach map with outline of wetland to rating form)
Person(s) Rating Wetland: D 1..-'8 Affilia.tion: LP\N OfW Date of site visit:S"!7-8/'2-002-
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SUMMARY OF RATING
Category based on FUNCTIONS provided by wetland
I II III IVX
Category I = Score >=70
Category IT = Score 51-69
Category ill = Score 30-50
Category IV = Score < 30
Score for Water Quality Functions
Score for Hydrologic Functions
Score for Habi~at Functions
TOTAL score for functions
Category based on SPECIAL CHARACTERISTICS of wetland
I II Does not Apply-K
Final Category (choose the "highest" category from above)
Check the appropriate type and class of wetland being rated.
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De ressional ><
Riverine
Lake-frin e
Slo e
Flats
Freshwater Tidal
Estuarine
Natural Herita e Wetland
Bo
Mature Forest
Old Growth Forest
Coastal La oon
Interdunal
None of the above
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Does the wetland being rated meet any of the criteria below?
If you answer YES to any of the questions below you will need to protect the wetland
according to the regulations regarding the special characteristics found in the wetland.
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SPI. Has the wetland been documented as a habitatfor any Federally listed
Threatened or Endangered plant or animal species (TIE species)?
For the purposes of this rating system, "documented" means the wetland is on the
a ro riate state or federal database.
SP2. Has the wetland been documented as habitat for any State listed Threatened or
Endangered plant or animal species?
For the purposes of this rating system, "documented" means the wetland is on the
a ro riate state database.
SP3. Does the wetland contain individuals of Priority species listed by the WDFW
for the state?
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SP4. Does the wetland have a local significance in addition to its jUnctions? For
example, the wetland has been identified in the Shoreline Master Program,
the Critical Areas Ordinance, or in a local management plan as having
special significance.
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To complete the next part of the data sheet vou will need to determine the
Hvdrogeomorphic Class of the wetland being rated.
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The hydro geomorphic classification groups wetlands into those that function in similar ways. This
simplifies the questions needed to answer how well the wetland functions. The Hydrogeomorphic
Class of a wetland can be determined using the key below. See p. 24 for more detailed instructions
on classifying wetlands.
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Classification of Vegetated Wetlands for Western Washington
Wetland Name: iJ-.) c:L~t'')vf'\A ~ Date:
1. Are the water levels in the wetland usually controlled by tides (i.e. except during floods)?
-./No - go to 2 YES - the wetland class is Tidal Fringe
If yes, is the salinity of the water during periods of annual low flow below 0.5 ppt (parts per
thousand)? YES - Freshwater Tidal Fringe NO"- Saltwater Tidal Fringe (Estuarine)
/f your wetland can be classified as a Freshwater Tidal Fringe use the forms for Riverine
wetlands. /fit is Saltwater Tidal Fringe it is rated as an Estuarine wetland Wetlands that
were called estuarine in the first and second editions of the rating system are called Salt
Water Tidal Fringe in the Hydrogeomorphic Classification. Estuarine wetlands were
categorized separately in the earlier editions, and this separation is being kept in this
revision. To maintain consistency between editions, the term "Estuarine" wetland is kept.
Please note, however, that the characteristics that defme Category I and II estuarine
wetlands have changed (see p. ).
2. Is the topography within the wetland flat and precipitation is only source (>90%) of water to it.
--.iNO - go to 3 YES - The wetland class is Flats
If your wetland can be classified as a "Flats" wetland, use the form for Depressional
wetlands.
3. Does the wetland meet both of the following criteria?
_The vegetated part of the wetland is on the shores of a body of open water (without any
vegetation on the surface) where at least 20 acres (8 ha) are permanently inundated
(ponded or flooded);
_At least 30% of the open water area is deeper than 6.6 ft (2 m)?
-/NO - go to 4 YES - The wetland class is Lake-fringe (Lacustrine Fringe)
4. Does the wetland meet all of the following criteria?
~ The wetland is on a slope (slope can be very gradual), .
-L The water flows through the wetland in one direction (unidirectional) and usually
comes from seeps. It may flow subsurface, as sheetflow, or in a swale without distinct
banks;
_The water leaves the wetland without being impounded?
NOTE: Surface water does not pond in these type of wetlands except occasionally in
very small and shallow depressions or behind hummocks( depressions are usually
<3ft diameter and less than 1 foot deep).
/NO - go to 5 YES - The wetland class is Slope
S. Is the wetland in a valley, or stream channel, where it gets inundated by overbank flooding from
that stream or river? The flooding should occur at least once every two years, on the average, to
answer "yes." The wetland can contain depressions that are filled with water when the river is
not flooding.
"NO - go to 6
YES - The wetland class is Riverine
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6. Is the wetland in a topographic depression in which water ponds, or is saturated to the surface, at
some time of the year. This means that any outlet, ifpresent, is higher than the interior of the
wetland.
NO - go to 7 .;\rES - The wetland class is Depressional
7. Is the wetland located in a very flat area with no obvious depression and no stream or river
running through it and providing water. The wetland seems to be maintained by high
groundwater in the area. The wetland may be ditched, but has no obvious natural outlet.
NO - go to 8 YES - The wetland class is Depressional
8. Your wetland seems to be difficult to classify. For example, seeps at the base of a slope may
grade into a riverine floodplain, or a small stream within a depressional wetland has a zone of
flooding along its sides. Sometimes we find characteristics of several different hydrogeomorphic
classes within one wetland boundary. Use the following table to identify the appropriate class to
use for the rating system if you have several HGM classes present within your wetland. NOTE:
Use this table only if the class that is recommended in the second column represents 10% or more
of the total area of the wetland being rated. If the area of the second class is less than 10% classify
the wetland using the first class.
HGMClassesWithiriaDelinedted WetlandBounaa
Slo e + Riverine
Slo e + De ressional
Slo e + Lake-frin e
Depressional + Riverine along stream within boundary
De ressional + Lake-frin e
Salt Water Tidal Fringe and any other class of freshwater
wetland
'Class,.i(j'Usein''Rdtin
Riverine
D ressional
Lake- frin e
Depressional
De ressional
Treat as ESTUARINE under
wetlands with special
characteristics
If you are unable still to determine which of the above criteria apply to your wetland, or you have
more than 2 HGM classes within a wetland boundary, classify the wetland as Depressional for
the rating.
Wetland Rating Form - western Washington
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WATER QUALITY FUNCTIONS - Indicators that wetland functions to improve
water quality
D D 1. Does the wetland have the potential to improve water quality? (seep. 38)
D 1.1 Characteristics of surface water flows out of the wetland:
Wetland isa depression with no surface water outlet points = 3
Wetland has an intermittently flowing, or highly constricted, outlet points = 2
Wetland has an unconstricted surface outlet points = 1
./ Wetland is flat and has no obvious outlet and/or outlet is a ditch points = 1
D 1.2 The soil 2 inches below the surface is clay, organic, or smells anoxic
(hydrogen sulfide or rotten eggs).
YES points = 4
NO points = 0
D 1.3 Characteristics of persistent vegetation (emergent, shrub, and/or forest class):
Wetland has persistent, ungrazed, vegetation> = 95% of area points = 5
Wetland has persistent, ungrazed, vegetation> = 1/2 of area points = 3
Wetland has persistent, ungrazed vegetation> = 1/10 of area points = 1
Wetland has persistent, un2razed ve2etation <1/10 of area points = 0
D 1.4 Characteristics of seasonal ponding or inundation.
This is the area of the wetland that is ponded for at least 2 months, but dries out
sometime during the year. Do not count the area that is permanently ponded.
Estimate area as the average condition 5 outof 10 yrs.
Area seasonally ponded is > 'l2 total area of wetland points = 4
Area seasonally ponded is > ~ total area of wetland points = 2
Area seasonally ponded is < ~ total area of wetland points = 0
NOTE: See text for indicators of seasonal and TJermanent inundation..
Total for D 1 Add the points in the boxes above
D 2. Does the wetland have the opportunity to improve water quality? (see p. 44)
Answer YES if you know or believe there are pollutants in groundwater or surface
water coming into the wetland that would otherwise reduce water quality in
streams, lakes or groundwater downgradient from the wetland? Note which of the
following conditions provide the sources of pollutants.
- Grazing in the wetland or within 150 it
- Untreated stormwater discharges to wetland
- Tilled fields or orchards within 150 it of wetland
- A stream or culvert discharges into wetland that drains developed areas,
residential areas, farmed fields, roads, or clear-cut logging
- Residential, urban areas, golf courses are within 150 it of wetland
- Wetland is fed by groundwater high in phosphorus or nitrogen
- Other
YES multiplier is 2 "NO multiplier is 1
TOTAL - Water Quality Functions Multiply the score from D 1 by D2
Add score to table on'D. 1
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5
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HYDROLOGIC FUNCTIONS - Indicators that wetland functions to reduce
floodin and stream de adation
D 3. Does the wetland have the Dotential to reduce flooding and erosion?
(see . 46
D 3.1 Characteristics of surface water flows out of the wetland
Wetland has no surface water outlet points = 4
Wetland has an intermittently flowing, or highly constricted, outlet points = 2
JWetland is flat and has no obvious outlet and/or outlet is a small ditch points = 1
Wetland has an unconstricted surface outlet oints = 0
D 3.2 Depth of storage during wet periods
Estimate the height of ponding above the botto.m of the outlet
Marks of ponding are 3 ft or more above the surface points = 7
The wetland is a "headwater" wetland" points = 5
Marks of ponding between 2 ft to < 3 ft from surface points = 5
Marks are at least 0.5 ft to < 2 ft from surface points = 3
Wetland is flat but has small depressions on the surface that trap water points = 1
Marks of ondin less than 0.5 ft oints = 0
D 3.3 Contribution of wetland to storage in the watershed
Estimate the ratio of the area of upstream basin contributing surface water to the
wetland to the area of the wetland itself.
The area of the basin is less than 10 times the area of wetland points = 5
The area of the basin is 10 to 100 times the area of the wetland points = 3
The area of the basin is more than 100 times the area of the wetland points = 0
Wetland is in the FLATS class asin = the wetland, b definition oints = 5
Total for D 3 Add the points in the boxes above
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D 4. Does the wetland have the oDDortunitv to reduce flooding and erosion?
(see p. 49)
Answer YES if the wetland is in a location in the watershed' where the flood
storage, or reduction in water velocity, it provides helps protect downstream
property and aquatic resources from flooding or excessive and/or erosive flows.
Answer NO if the water coming into the wetland is controlled by a structure such
as flood gate, tide gate, flap valve, reservoir etc. OR you estimate that more than
90% of the water in the wetland is from groundwater.
Note which of the following indicators of opportunity apply.
- Wetland is in a headwater ofa river or stream that has flooding problems
- Wetland drains to a river or stream that has flooding problems
- Wetland has no outlet and impounds surface runoff water that might
otherwise flow into a river or stream that has flooding problems
- Other
YES multi lier is 2 v NO) multi lier is 1
TOTAL - Hydrologic Functions Multiply the score from D 3 by D 4
Add score to table on p. 1
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August 2004
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HABITAT FUNCTIONS - Indicators that wetlal1d functions to provide important habitat
H 1. Does the wetland have the potential to provide habitat for many species?
H 1.1 Vegetation structure (see p. 72)
Check the types of vegetation classes present/as defined by Cowardin) if the class
covers more than J 0% of the area of the wetland or ~ acre.
_Aquatic bed
_Emergent plants
~Scrub/shrub (areas where shrubs have >30% cover)
_Forested (areas where trees have >30% cover)
_Forested areas have 3 out of 5 strata (canopy, sub-canopy, shrubs, herbaceous,
moss/ground-cover)
Add the number of vegetation types that qualifY. If you have:
4 types or more points = 4
3 types points = 2
2 types points = 1
1 type points = 0
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H 1.2. Hvdroperiods (see p. 73)
Check the types of water regimes (hydroperiods) present within the wetland. The
water regime has to cover more than J 0% of the wetland or ~ acre to count. (see text
for descriptions of hydro periods)
· _Permanently flooded or inundated 4 or more types present points = 3
_Seasonally flooded or inundated 3 types present points = 2
~ Occasionally flooded or inundated 2 types present point = 1
~ Saturated only
_ Permanently flowing stream or river in, or adjacent to, the wetland
_ Seasonally flowing stream in, or adjacent to, the wetland
_ Lake-fringe wetland = 2 points
_Freshwater tidal wetland = 2 points
H 1.3. Richness of Plant Species (seep. 75)
Count the ' number of plant species in the wetland that cover at least 10 fl? (different
patches of the same species can be combined to meet the size threshold)
You do not have to name the species.
Do not include Eurasian Milfoil, reed canarygrass, purple loosestrife, Canadian
Thistle
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If you counted:
List species below if you want to:
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> 19 species
5 - 19 species
< 5 specIes
points = 2
points = 1
points = 0
Wetland Rating Form - western Washington
13
August 2004
H 1.4. Interspersion of habitats (see p. 76)
Decided from the diagrams below whether interspersion between types of
vegetation (described in H 1.1), or vegetation types and unvegetated areas (can
include open water or mudflats) is high, medium, low, or none.
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None = 0 points
Low = 1 point
Moderate = 2 points
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[riparian braided channels]
High = 3 points
NOTE: If you have four or more vegetation types or three vegetation types
and 0 en water the ratin is alwa s "hi ".
H 1.5. Special Habitat Features: (see p. 77)
Check the habitat features that are present in the wetland The number of checks is
the number of points you put into the next column.
_Large, downed, woody debris within the wetland (>4in. diameter and 6 ft long).
_Standing snags (diameter at the bottom> 4 inches) in the wetland
_Undercut banks are present for at least 6.6 ft (2m) and/or overhanging vegetation
extends at least 3.3 ft (1m) over a stream for at least 33 ft (lOrn)
_Stable steep banks of fine material that might be used by beaver qr muskrat for
denning (>30degree slope) OR signs of recent beaver activity are present
~ At least ~ acre of thin-stemmed persistent vegetation or woody branches are present
in areas that are permanently or seasonally inundated (structures for egg-laying by
amphibians)
~ Invasive plants cover less than 25% of the wetland area in each stratum of plants
H 1. TOTAL Score - potential for providing habitat
Add the scores in the column above
Comments
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H 2.1 Buffers (seep. 80)
Choose the description that best represents condition of buffer of wetland. The highest
scoring criterion that applies to the wetland is to be used in the rating. See textfor
definition of "undisturbed. "
- 100 m (330ft) of relatively undisturbed vegetated areas, rocky areas, or open water
>95% of circumference. No developed areas within undisturbed part of buffer.
(relatively undisturbed also means no-grazing) Points, = 5
- 100 m (330 ft) of relatively undisturbed vegetated areas, rocky areas, or open water
> 50% circumference. Points = 4
- 50 m (170ft) of relatively undisturbed vegetated areas, rocky areas, or open water
>95% circumference. Points = 4
- 100 m (330ft) of relatively undisturbed vegetated areas, rocky areas, or open water f)
> 25% circumference, . Points = 3 r-
- 50 m (170ft) of relatively undisturbed vegetated areas, rocky areas, or open water
for> 50% circumference. Points = 3
If buffer does not meet any of the three criteria above
::L No paved areas (except paved trails) or buildings within 25 m (80ft) of wetland>
95% circumference. Light to moderate grazing, or lawns are OK. Points = 2
- No paved areas or buildings within 50m of wetland for >50% circumference.
Light to moderate grazing, or lawns are OK. Points = 2
- Heavy grazing in buffer. Points = 1
- Vegetated buffers are <2m wide (6.6ft) for more than 95% of the circumference
(e.g. tilled fields, paving, basalt bedrock extend to edge of wetland Points = O.
- Buffer does not meet any of the criteria above. Points = 1
cH 2.2 Corridors and Connections (see p. 81)
H 2.2.1 Is the wetland part of a relatively undisturbed and unbroken vegetated
corridor (either riparian or upland) that is at least 150 ft wide, has at least 30% cover
of shrubs, forest or native undisturbed prairie, that connects to estuaries, other
wetlands or undisturbed uplands that are at least 250 acres in size? (dams in riparian
corridors, heavily used gravel roads, paved roads, are considered breaks in the
corridor).
YES = 4 points (go to H 2.3) /NO = go to H 2.2.2
H 2.2.2 Is the wetland part of a relatively undisturbed and unbroken vegetated
corridor (either riparian or upland) that is at least 50ft wide, has at least 30% cover of
shrubs or forest, and connects to estuaries, other wetlands or undisturbed uplands
that are at least 25 acres in size? OR a Lake-fringe wetland, if it does not have an
undisturbed corridor as in the question above?
YES = 2 points (go to H 2.3)
H 2.2.3 Is the wetland:
within 5 mi (8Ian) of a brackish or salt water estuary OR
within 3 mi of a large field or pasture (>40 acres) OR
within 1 mi of a lake greater than 20 acres?
YES = 1 point
JNO = H 2.2.3
NO = 0 points
W e~land Rating Form - western Washington
15
August 2004
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H 2.3 Near or adiacent to other priority habitats listed by WDFW (see p. 82)
Which of the following priority habitats are within 330ft (100m) of the wetland?
(see textfor a more detailed description of these priority habitats)
_Riparian: The area adjacent to aquatic systems with flowing water that contains
elements of both aquatic and terrestrial ecosystems which mutually influence each other.
_Aspen Stands: Pure or mixed stands of aspen greater than 0.8 ha (2 acres).
_Cliffs: Greater than 7.6 m (25 ft) high and occurring below 5000 ft.
_Old-growth forests: (Old-growth west of Cascade crest) Stands of at least 2 tree
species, forming a multi-layered canopy with occasional small openings; with at
least 20 trees/ha (8 trees/acre) > 81 cm (32 in) dbh or > 200 years of age.
_Mature forests: Stands with average diameters exceeding 53 cm (21 in) dbh; crown
cover may be less that 100%; crown cover may be less that 100%; decay,
decadence, numbers of snags, and quantity of large downed material is generally
less than that found in old-growth; 80 - 200 years old west of the Cascade crest.
_Prairies: Relatively undisturbed areas (as indicated by dominance of native plants)
where grasses and/or forbs form the natural climax plant community.
_Talus: Homogenous areas of rock rubble ranging in average size 0.15 - 2.0 m (0.5 -
6.5 ft), composed of basalt, andesite, and/or sedimentary rock, including riprap
slides and mine tailings. May be associated with cliffs.
_Caves: A naturally occurring cavity, recess, void, or system of interconnected
passages
_Oregon white Oak: Woodlands Stands of pure oak or oak/conifer associations
where canopy coverage of the oak component of the stand is 25%.
_Urban Natural Open Space: A priority species resides within or is adjacent to the
open space and uses it for breeding and/or regular feeding; and/or the open space
functions as a corridor connecting other priority habitats, especially those that
would otherwise be isolated; and/or the open space is an isolated remnant of natural
habitat larger than 4 ha (10 acres) and is surrounded by urban development.
_ EstuarylEstuary-like: Deepwater tidal habitats and adjacent tidal wetlands, usually
semi-enclosed by land but with open, partly obstructed or sporadic access to the
open ocean, and in which ocean water is at least occasionally diluted by freshwater
runoff from the land. The salinity may be periodically increased above that of the
open ocean by evaporation. Along some low-energy coastlines there is appreciable
dilution of sea water. Estuarine habitat extends upstream and landward to where
ocean-derived salts measure less than 0.5% during the period of average annual low
flow. Includes both estuaries and lagoons.
_ MarinelEstuarlne Shorelines: Shorelines include the intertidal and subtidal zones
of beaches, and may also include the backshore and adjacent components of the
terrestrial landscape (e.g., cliffs, snags, mature trees, dunes, meadows) that are
important to shoreline associated fish and wildlife and that contribute to shoreline
function (e.g., sand/rockllog recruitment, nutrient contribution, erosion control).
If wetland has 3 or more priority habitats = 4 points
If wetland has 2 priority habitats = 3 points
If wetland has 1 orioritv habitat = 1 point No habitats = 0 ooints
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wetland that best fits) (seep. 84)
There are at least 3 other wetlands within ~ mile, and the connections between them
are relatively undisturbed (light grazing between wetlands OK, as is lake shore with
some boating, but connections should NOT be bisected by paved roads, fill, fields,
or other development. points = 5
The wetland is Lake-fringe on a lake with little disturbance and there are 3 otherlake-
fringe wetlands within ~ mile points = 5 3
There are at least 3 other wetlands within ~ mile, BUT the connections between them
are disturbed points = 3
The wetland is Lake-fringe on a lake with disturbance and there are 3 other lake-
fringe wetland within ~ mile points = 3
There is at least I wetland within ~ mile. points = 2
There are no wetlands within ~ mile. points = 0
H 2. TOTAL Score - opportunity for providing habitat S
Add the scores in the column above "-
Total Score for Habitat Functions - add the points for HI, H 2 and record the result on "
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Wetland Rating Form - western Washington
17
August 2004
CATEGORIZATION BASED ON SPECIAL CHARACTERISTICS
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Please determine if the wetland meets the attributes described below and circle the
appropriate answers and Category.
Wetland Type
Check off any criteria that apply to the wetland. Circle the appropriate Category
when the aDDroDriate criteria are met.
SC 1.0 Estuarine wetlands (see p. 86)
Does the wetland meet the following criteria for Estuarine wetlands?
- The dominant water regime is tidal,
- Vegetated, and
- With a salinity greater than 0.5 ppt.
YES = Go to SC 1.1 NO ~
SC 1.1 Is the wetland within a National Wildlife Refuge, National Park,
National Estuary Reserve, Natural Area Preserve, State Park or Educational,
Environmental, or Scientific Reserve designated under WAC 332-30-151?
YES = Cate20rv I NO go to SC 1.2
SC 1.2 Is the wetland at least 1 acre in size and meets at least two of the
following three conditions? YES = Category I NO = Category n
- The wetland is relatively undisturbed (has no diking, ditching, filling,
cultivation,. grazing, and has less than 10% cover of non-native plant
species. If the non-native Spartina spp. are the only species that cover
more than 10% of the wetland, then the wetland should be given a dual
rating (III!). The area of Spartina would be rated a Category II while the
relatively undisturbed upper marsh with native species would be a
Category I. Do not, however, exclude the area of Spartina in
determining the size threshold of 1 acre.
- At least % of the landward edge of the wetland has a 100 ft buffer of
shrub, forest, or un-grazed or un-mowed grassland~
- The wetland has at least 2 of the following features: tidal channels,
depressions with open water, or contiguous freshwater wetlands.
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Wetland Rating Form - western Washington
18
August 2004
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SC 2.0 Natural Heritage Wetlands (seep. 87)
Natural Heritage wetlands have been identified by the WashiIlgton Natural Heritage
Program/DNR as either high quality undisturbed wetlands or wetlands that support
state Threatened, Endangered, or Sen.sitive plant species.
SC 2.1 Is the wetland being rated iIl a SectionITownship/Range that contaiIls a
Natural Heritage wetland? (this question is used to screen out most sites
before you need to contact WNHP/DNR)
Srr/R information from Appendix D ~ or accessed from WNHPIDNR web site _
Cat. I
YES_ - contact WNHP/DNR (see p. 79) and go to SC 3.2
NO ~/
SC 2.2 Has DNR identified the wetland as a high quality undisturbed wetland or as
or as a site with state threatened or endangered plant species?
YES = Category I NO ~
SC 3.0 Bogs (see p. 87)
Does the wetland (or part of the wetland) meet both the criteria for soils and
vegetation in bogs? Use the key below to identify if the wetland is a bog. If you
answer yes you will still need to rate the wetland based on its functions.
1. Does the wetland have organic soil horizons (i.e. layers of organic soil),
either peats or mucks, that compose 16 iIlches or more of the first 32 inches
of the soil profile? (See Appendix B for a field key to identify organic
soils)? Yes - go to Q. 3 No - go to Q. 2
2. Does the wetland have organic soils, either peats or mucks that are less than
16 iIlches deep over bedrock, or an impermeable hardpan such as clay or
volcanic ash, or that are floating on a lake or pond?
Yes - go to Q. 3 No - Is not a bog for purpose of ratiIlg
3. Does the wetland have more than 70% cover of mosses at ground level,
AND other plants, if present, consist of the "bog" species listed iIl Table 3
as a significant component of the vegetation (more than 30% of the total
shrub and herbaceous cover consists of species iIl Table 3)?
Yes - Is a bog for purpose of rating No - go to Q. 4
NOTE: If you are uncertain about the extent of mosses in the understory
you may substitute that criterion by measuring the pH of the water that
seeps iIlto a hole dug at least 16" deep. If the pH is less than 5.0 and the
"bog" plant species iIl Table 3 are present, the wetland is a bog.
3. Is the wetland forested (> 30% cover) with sitka spruce, subalpiIle fir,
western red cedar, western hemlock, lodgepole piIle, quaking aspen,
Englemann's spruce, or western white pine, WITH any of the species (or
combiIlation of species) on the bog species plant list iIl Table 3 as a
significant component of the ground cover (> 30% coverage of the total
shrublherbaceous cover)?
4. YES = Category I
Cat. I
No L Is not a bog for purpose ofrating .
Wetland Rating Form - western Washington
19
August 2004
SC 4.0 Forested Wetlands (see p. 90)
Does the wetland have at least 1 acre of forest that meet one of these criteria for the
Department ofFish and Wildlife's forests as priority habitats? If you answer yes you
will still need to rate the wetland based on its functions.
- Old-growth forests: (west of Cascade crest) Stands of at least two tree species,
forming a multi-layered canopy with occasional small openings; with at least 8
trees/acre (20 trees/hectare) that are at least 200 years of age OR have a
diameter at breast height (dbh) of32 inches (81 cm) or more.
NOTE: The criterion for dbh is based on measurements for upland forests.
Two-hundred year old trees in wetlands will often have a smaller dbh
because their growth rates are often slower. The DFW criterion is and "OR" .
so old-growth forests do not necessarily have to have trees of this diameter.
- Mature forests: (west of the Cascade Crest) Stands where the largest trees are
80 - 200 years old OR have average diameters (dbh) exceeding 21 inches
(53cm); crown cover may be less that 100%; decay, decadence, numbers of
snags, and quantity of large downed material is generally less than that found
in old-growth.
YES = Category I NO 1
SC 5.0 Wetlands in Coastal Lagoons (see p. 91)
Does the wetland meet all of the following criteria ofa wetland in a coastal lagoon?
- The wetland lies in a depression adjacent to marine waters that is wholly
or partially separated from marine waters by sandbanks, gravel banks,
shingle, or, less frequently, rocks
- The lagoon in which the wetland is located contains surface water that is
saline or brackish (> 0.5 ppt) during most of the year in at least a portion
of the lagoon (needs to be measured near the bottom)
YES = Go to SC 5.1 NO ./ not a wetland in a coastal lagoon
SC 5.1 Does the wetland meets all of the following three conditions?
- The wetland is relatively undisturbed (has no diking, ditching, filling,
cultivation, grazing), and has less than 20% cover of invasive plant
species (see list of invasive species on p. 74).
- At least % of the landward edge of the wetland has a 100 ft buffer of
shrub, forest, or un-grazed or un-mowed grassland.
- The wetland is larger than 1/10 acre (4350 square feet)
YES = Category I NO = Category n
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Wetland Rating Form - western Washington
20
August 2004
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SC 6.0 Interdunal Wetlands (seep. 93)
Is the wetland west of the 1889 line (also called the Western Boundary of Upland
Ownership or WBUO)?
YES - go to SC 6.1 NO J not an interdunal wetland for rating
If you answer yes you will still need to rate the wetland based on its
functions.
In practical terms that means the following geographic areas:
· Long Beach Peninsula- lands west of SR 103
· Grayland- Westport- lands west of SR 105
· Ocean Shores-Copalis- lands west of SR 115 and SR 109
SC 6.1 Is the wetland one acre or larger, or is it in a mosaic of wetlands that is
once acre or larger?
YES = Category II NO - go to SC 6.2 Cat. II
SC 6.2 Is the wetland between 0.1 and 1 acre, or is it in a mosaic of wetlands that
is between 0.1 and I acre?
YES = Category III Cat. III
, "C21te~Q~YOf;wetlalldi~'~s~d"ol1<~pecialcGIi~i-ii~!~riiti~s.,~, T, ,". " '. ",
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21
August 2004
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JUL 2 3 2008
WETLAND RATING FORM - WESTERN WASHINGTON
Name of wetland (if known): /NET/... A NO G'
Location: SEC: 35 TWNSHP:'3oJ.RNGE: !W (attach map with outline, of wetland to rating form)
Person(s) Rating Wetland: 7)\.- .f? Affiliation: LA f'J eM Date of site visit: Jfb- '!fl '2-00 "2-
(LATiNI:r 'fLfCl,/lS e..o M 14'1 ~oo S
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SUMMARY OF RATING
Category based on F~cTIONS provided by wetland
1_ 11_ 111_ IV X
Category I = Score >=70
Category II = Score 51-69
Category ill = Score 30-50
Category IV = Score < 30
Score for Water Quality Functions
Score for Hydrologic Functions
Score for Habi~at Functions
TOTAL score for functions
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Final Category (choose the "highest" category from above)
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Check the appropriate type and class of wetland being rated.
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Natural Herita2e Wetland Riverine
B02 Lake-frin2e
Mature Forest Slone
Old Growth Forest Flats
Coastal La200n Freshwater Tidal
Interdunal
None of the above X.
Wetland Rating Form - western Washington
August 2004
Does the wetland being rated meet any of the criteria below?
If you answer YES to any of the questions below you will need to protect the wetland
according to the regulations regarding the special characteristics found in the wetland.
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SPI. Has the wetland been documented as a habitatfor any Federally listed
Threatened or Endangered plant or animal species (TIE species)?
For the purposes of this rating system, "documented" means the wetland is on the
a ro riate state or federal database.
SP2. Has the wetland been documented as habitat for any State listed Tlteatened or
Endangered plant or animal species?
For the purposes of this rating system, "documented" means the wetland is on the
a ro riate state database.
SP3. Does the wetland contain individuals of Priority species listed by the WDFW
for the state?
"'NO'
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SP4. Does the wetland have a local significance in addition to its functions? For
example, the wetland has been identified in the Shoreline Master Program,
the Critical Areas Ordinance, or in a local management plan as having
special significance.
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To comvlete the next part of the data sheet vou will need to determine the
Hvdrogeomorphic Class of the wetland being rated.
The hydro geomorphic classification groups wetlands into those that function in similar ways. This
simplifies the questions needed to answer how well the wetland functions. The Hydrogeomorphic
Class of a wetland can be determined using the key below. See p. 24 for more detailed instructions
on classifying wetlands.
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Wetland Rating Form - western Washington
2
August 2004
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Classification of Vegetated Wetlands for . Western Washington
Wetland Name: l..U1.A:--e..'a\!"d. E Date:
1. Are the water levels in the wetland usually controlled by tides (i.e. except during floods)?
"No - go to 2 YES - the wetland class is Tidal Fringe
If yes, is the salinity of the water during periods ofannuaLlQw flow below 0.5 ppt (parts per
thousand)? YES - Freshwater Tidal Fringe NO - Saltwater Tidal Fringe (Estuarine)
If your wetland can be classified as a Freshwater Tidal Fringe use the forms for Riverine
wetlands. Ifit is Saltwater Tidal Fringe it is rated as an Estuarine wetland. Wetlands that
were called estuarine in the first and second editions of the rating system are called Salt
Water Tidal Fringe in the Hydrogeomorphic Classification. Estuarine wetlands were
categorized separately in the earlier editions, and this separation is being kept in this
revision. To maintain consistency between editions, the term "Estuarine" wetland is kept.
Please note, however, ,that the characteristics that define Category I and n estuarine
wetlands have, changed (see p. ).
2. Is the topography within the wetland flat and precipitation is only source (>90%) of water to it.
...INO - go to 3 YES - The wetland class is Flats
If your wetland can, be classified as a "Flats" wetland, use the form for Depressional
wetlands.
3. Does the wetland meet both of the following criteria?
_The vegetated part of the wetland is on the shores of a body of open water (without any
vegetation on the surface) where at least 20 acres (8 ha) are permanently inundated
(ponded or flooded);
_At least 30% of the open water area is deeper than 6.6 :ft (2 m)?
,fNO - go to 4 YES - The wetland class is Lake-fringe (Lacustrine Fringe)
4. Does the wetland meet all of the following criteria?
--L The wetland is on a slope (slope can be very gradual),
_The water flows through the wetland in one direction (unidirectional) and usually
comes from seeps. It may flow.subsurface, as sheetflow, or in a swale without distinct
banks.
_The water leaves the wetland without being impounded?
NOTE: Surface water does not pond in these type of wetlands except occasionally in
very small and shallow depressions or behind hummocks( depressions are usually
<3ft diameter and less than 1 foot deep).
""NO - go to 5 YES - The wetland class is Slope
5. Is the wetland in a valley, or stream channel, where it gets inundated by overbank flooding from
that stream .or river? The flooding should occur at least once every two years, on the average, to
answer "yes." The wetland can contain depressions that are filled with water when the river is
not flooding.
.vNO - go to 6 YES - The wetland class is Riverine
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6. Is the wetland in a topographic depression in which water ponds, or is saturated to the surface, at
some time of the year. This means that any outlet, ifpresent, is higher than the interior of the
wetland
NO - go to 7 JYES - The wetland class is Depressional
7. Is the wetland located in a very flat area with no obvious depression and no stream or river
running through it and providing water. The wetland seems to be maintained by high
groundwater in the area. The wetland may be ditched, but has no obvious natural outlet.
NO - go to 8 YES - The wetland class is Depressional
8. Your wetland seems to be difficult to classify. For example, seeps at the base of a slope may
grade into a riverine floodplain, or a small stream within a depressional wetland has a zone of
flooding along its sides. Sometimes we find characteristics of several different hydro geomorphic
classes within one wetland boundary. Use the following table to identify the appropriate class to
use for the rating system if you have several HGM classes present within your wetland. NOTE:
Use this table only if the class that is recommended in the second column represents 10% or more
of the total area of the wetland being rated. If the area of the second class is less than 10% classify
the wetland using the first class.
RGM Classes.Withina DelineaiefJWetlanaBounaa';
810 e + Riverine
Slo e + De ressional
Slo e + Lake-frin e
Depressional + Riverine along stream within boundary
D ressional + Lake- frin e
Salt vi ater Tidal Fringe and any other class of freshwater
wetland
ClossiiJ"use in Ratlii
Riverine
De ressional
Lake- frin e
Depressional
De ressional
Treat as ESTUARINE under
wetlands with special
characteristics
If you are unable still to determine which of the above criteria apply to your wetland, or you have
more than 2 HGM classes within a wetland boundary, classify the wetland as Depressional for
the rating.
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WATER QUALITY FUNCTIONS - Indicators that wetland functions to improve
water qualitY
D D 1. Does the wetland have the Dotential to improve water quality? (seep. 38)
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D 1.1 Characteristics of surface water flows out of the wetland:
Wetland is a depression with no surface water outlet points = 3
Wetland has an intermittently flowing, or highly constricted, outlet points = 2
Wetland has an unconstricted surface outlet points = 1
Wetland is flat and has no obvious outlet and/or outlet is a ditch points = 1
D 1.2 The soil 2 inches below the surface is clay, orgamc, or smells anoxic
(hydrogen sulfide or rotten eggs).
YES points = 4
NO points = 0
D 1.3 Characteristics of persistent vegetation (emergent, shrub, and/or forest class):
Wetland has persistent, ungrazed, vegetation> = 95% of area points = 5
Wetland has persistent, ungrazed, vegetation> = 1/2 of area points = 3
Wetland has persistent, ungrazed vegetation> = 1/10 of area points = 1
Wetland has persistent, unJ!;razed veJ!;etation <1/10 of area points = 0
D 1.4 Characteristics of seasonal ponding or inundation.
This is the area of the wetland that is ponded for at least 2 months, but dries out
sometime during the year. Do not count the area that is permanently ponded
Estimate area as the average condition 5 out of 1 0 yrs.
Area seasonally ponded is > Yz total area of wetland points = 4
Area seasonally ponded is > Y4 total area 'of wetland points = 2
Area seasonally ponded is < Y4 total area of wetland points = 0
NOTE: See textfor indicators of seasonal and oermanent inundation..
Total for D 1 Add the points in the boxes above
D 2. Does the wetland have the oDDortunitv to improve water quality? (see p. 44)
Answer YES if you know or believe there are pollutants in groundwater or surface
water coming into the wetland that would otherwise reduce water quality in
streams, lakes or groundwater downgradient from the wetland? Note which of the
following conditions provide the sources of pollutants.
- Grazing in the wetland or within 150 ft
- Untreated stormwater discharges to wetland
- Tilled fields or orchards within 150 ft of wetland
- A stream or culvert discharges into wetland that drains developed areas,
residential areas, farmed fields, roads, or clear-cut logging
- Residential, urban areas, golf courses are within 150 ft of wetland
-, Wetland is fed by groundwater high in phosphorus or nitrogen
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YES multiplier is 2 NO ~ multiplier is 1 "'.\',<C,.u.{4:LQ} S
TOTAL - Water Quality Functions Multiply the score from D 1 by D2
Add score to table on p. 1
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HYDROLOGIC FUNCTIONS - Indicators that wetland
floodin and stream de radation
D 3. Does the wetland have the potential to reduce flooding and erosion?
(see . 46)
D 3.1 Characteristics of surface water flows out of the wetland
Wetland has no surface water outlet points = 4
Wetland has an intermittently flowing, or highly constricted, outlet points = 2
Wetland is flat and has no obvious outlet and/or outlet is a small ditch points = 1
Wetland has an unconstricted surface outlet oints = 0
D 3.2 Depth of storage during wet periods
Estimate the height of ponding above the bottom of the outlet
Marks of ponding are 3 ft or more above the surface points = 7
The wetland is a "headwater" wetland" points = 5
Marks of ponding between 2 ft to < 3 ft from surface points = 5
Marks are at least 0.5 ft to < 2 ft from surface points = 3
Wetland is flat but has small depressions on the surface that trap water points = 1
Marks of ondin less than 0.5 ft oints = 0
D 3.3 Contribution of wetland to storage in the watershed
Estimate the ratio of the area of upstream basin contributing surface water to the
wetland to the area of the wetland itself.
The area of the basin is less than 10 times the area of wetland points = 5
The area of the basin is 10 to 100 times the area of the wetland points = 3
The area of the basin is more than 100 times the area of the wetland points = 0
Wetland is in the FLATS class asin = the wetland, b defmition oints = 5
Total for D 3 Add the points in the boxes above
D 4. Does the wetland have the opportunity to reduce flooding and erosion?
(see p. 49)
Answer YES if the wetland is in a location in the watershed where the flood
storage, or reduction in water velocity, it provides helps protect downstream
property and aquatic resources from flooding or excessive and/or erosive flows.
Answer NO if the water coming into the wetland is controlled by a structure such
as flood gate, tide gate, flap valve, reservoir etc. OR you estimate that more than
90% of the water in the wetland is from groundwater.
Note which of the following indicators of opportunity apply.
--:' Wetland is in a headwater of a river or stream that has flooding problems
- Wetland drains to a river or stream that has flooding problems
- Wetland has no outlet and impounds surface runoff water that might
otherwise flow into a river or stream that has flooding problems
- Other
YES multi lier is 2 NO) multi lier is 1
TOTAL - Hydrologic Functions Multiply the score from D 3 by D 4
. Add score to table on p. 1
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August 2004
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HABITAT FUNCTIONS - Indicators that wetland functions to provide important habitat
H 1. Does the wetland have the Dotential to provide habitat for many species?
H 1.1 Vegetation structure (see p. 72)
Check the types of vegetation classes present (as defined by Cowardin) if the class
covers more than 10% of the area of the wetland or ~ acre.
_Aquatic bed
~Emergent plants
_Scrub/shrub (areas where shrubs have >30% cover)
_Forested (areas where trees have >30% cover)
_Forested areas have 3 out of 5 strata (canopy, sub-canopy, shrubs, herbaceous,
moss/ground-cover)
Addthe number of vegetation types that qualify.
If you have:
4 types or more
3 types
2 types
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points = 2
points = 1
oints = 0
H 1.2. Hvdrooeriods (see p. 73)
Check the types of water regimes (hydroperiods) present within the wetland. The
water regime has to cover more than 10% of the wetland or ~ acre to count. (see text
for descriptions of hydro periods)
_Permanently flooded or inundated
_Seasonally flooded or inundated
_Occasionally flooded or inundated
~ Saturated only
_ Permanently flowing stream or river in, or adjacent to, the wetland
_ Seasonally flowing stream in, or adjacent to, the wetland
_ Lake-/ringe wetland = 2 points
_Freshwater tidal wetland = 2 points
H 1.3. Richness of Plant Species (seep. 75)
Count the number of plant species in the wetland that cover at least 10 ff. (different
patches of the same species can be combined to meet the size threshold)
You do not have to name the species.
Do not include Eurasian Milfoil, reed canary grass, purple loosestrife, Canadian
Thistle
4 or more types present
3 types present
2 types present
points = 3
points = 2
point = 1
If you counted:
List species below if you want to:
> 19 species
5 - 19 species
< 5 species
points = 2
points = 1
points = 0
Wetland Rating Form - western Washington
13
August 2004
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H 1.4. Interspersion of habitats (see p. 76)
Decided from the diagrams below whether interspersion between types of
vegetation (described in H 1.1), or vegetation types and unvegetated areas (can
include open water or mudflats) is high, medium, low, or none.
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Low = I point
Moderate = 2 points ,
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High = 3 points
NOTE: If you have four or more vegetation types or three vegetation types
and 0 en water the ratin is alwa s "hi ".
H 1.5. Special Habitat Features: (see p. 77)
Check the habitat features that are present in the wetland The number of checks is
the number of points you put into the next column.
_Large, downed, woody debris within the wetland (>4in.' diameter and 6 ft long).
_Standing snags (diameter at the bottom> 4 inches) in the wetland
_Undercut banks are present for at least 6.6 ft (2m) and/or overhanging vegetation
extends at least 3.3 ft (1m) over a stream for at least 33 ft (lOrn)
_Stable steep banks offme material that might be used by beaver or muskrat for
denning (>30degree slope) OR signs of recent beaver activity are present
_At least Y4 acre of thin-stemmed persistent vegetation or woody branches are present
in areas that are permanently or seasonally inundated (structures for egg-laying by
amphibians)
~ Invasive plants cover less than 25% of the wetland area in each stratum of plants
HI. TOTAL Score - potential for providing habitat
Add the scores in the column above
Comments
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H 2.1 Buffers (seep. 80)
Choose the description that best represents condition of buffer of wetland. The highest
scoring criterion that applies to the wetland is to be used in the rating. See text for
definition of "undisturbed. "
- 100 m (330ft) of relatively undisturbed vegetated areas, rocky areas, or open water
>95% of circumference. No developed areas within undisturbed part of buffer.
(relatively undisturbed also means no-grazing) Points = 5
- 100 m (330 ft) of relatively undisturbed vegetated areas, rocky areas, or open water
> 50% circumference. Points = 4
- 50 m (170ft) of relatively undisturbed vegetated areas, rocky areas, or open water
>95% circumference. Points = 4
- 100 m (330ft) of relatively undisturbed vegetated areas, rocky areas, or open water
> 25% circumference, . Points = 3
- 50 m (170ft) of relatively undisturbed vegetated areas, rocky areas, or open water
for> 50% circumference. Points = 3
If buffer does not meet any of the three criteria above 2-
- No paved areas (except paved trails) or buildings within 25 m (80ft) of wetland >
V' 95% circumference. Light to moderate grazing, or lawns are OK. Points = 2
.:- No paved areas or buildings within 50m of wetland for >50% circumference.
Light to moderate grazing, or lawns are OK. Points = 2
- Heavy grazing in buffer. Points = 1
- Vegetated buffers are <2m wide (6.6ft) for more than 95% of the circumference
(e.g. tilled fields, paving, basalt bedrock extend to edge of wetland Points = O.
- Buffer does not meet any of the criteria above. Points = 1
H 2.2 Corridors and Connections (see p. 81)
H 2.2.1 Is the wetland part of a relatively undisturbed and unbroken vegetated
corridor (either riparian or upland) that is at least 150 ft wide, has at least 30% cover
of shrubs, forest or native undisturbed prairie, that connects to estuaries, other
wetlands or undisturbed uplands that are at least 250 acres in size? (dams in riparian
corridors, heavily used gravel roads, paved roads, are considered breaks in the
corridor).
YES = 4 points (go to H 2.3) ~NO = go to H 2.2.2
H 2.2.2 Is the wetland part of a relatively undisturbed and unbroken vegetated
corridor (either riparian or upland) that is at least 50ft wide, has at least 30% cover of
shrubs or forest, and connects to estuaries, other wetlands or undisturbed uplands
that are at least 25 acres in size? OR a Lake-fringe wetland, if it does not have an
undisturbed corridor as in the question above?
YES = 2 points (go to H 2.3) J NO= H 2.2.3
H 2.2.3 Is the wetland:
within 5 mi (8kIn) Qf a brackish or salt water estuary OR
within 3 mi of a large field or pasture (>40 acres) OR
within 1 mi of a lake greater than 20 acres?
YES = 1 point
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NO = 0 points
Wetland Rating Form - western Washington
15
August 2004
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H 2.3 Near or adiacent to other priority habitats listed by WDFW (see p. 82)
Which of the following priority habitats are within 330ft (lOOm) of the wetland?
(see text for a more detailed description of these priority habitats)
_Riparian: The area adjacent to aquatic systems with flowing water that contains
elements of both aquatic and terrestrial ecosystems which mutually influence each other.
_Aspen Stands: Pure or mixed stands of aspen greater than 0.8 ha (2 acres).
_Cliffs: Greater than 7.6 m (25 ft) high and occuning below 5000 ft.
_Old-growth forests: (Old-growth west of Cascade crest) Stands of at least 2 tree
species, forming a multi-layered canopy with occasional small openings; with at
least 20 trees/ha (8 trees/acre) > 81 cm (32 in) dbh or> 200 years of age.
_Mature forests: Stands with average diameters exceeding 53 cm (21 in) dbh; crown
cover may be less that 100%; crown cover may be less that 100%; decay,
decadence, numbers of snags, and quantity of large downed material is generally
less than that found in old-growth; 80 - 200 years old west of the Cascade crest.
_Prairies: Relatively undisturbed areas (as indicated by dominance of native plants)
where grasses and/or forbs form the natural climax plant community.
_Talus: Homogenous areas of rock rubble ranging in average size 0.15 - 2.0 m (0.5-
6.5 ft), composed of basalt, andesite, and/or sedimentary rock, including riprap
slides and mine tailings. May be associated with cliffs.
_Caves: A naturally occuning cavity, recess, void, or system of interconnected
passages
~Oregon white Oak: Woodlands Stands of pure oak. or oak/conifer associations
where canopy coverage of the oak. component of the stand is 25%.
_Urban Natural Open Space: A priority species resides within or is adjacent to the
open space and uses it for breeding and/or regular feeding; and/or the open space
functions as a corridor connecting other priority habitats, especially those that
would otherwise be isolated; and/or the open space is an isolated remnant of natural
habitat larger than 4 ha (l0 acres) and is surrounded by urban development.
_ EstuarylEstuary-like: Deepwater tidal habitats and adjacent tidal wetlands, usually
semi-enclosed by land but with open, partly obstructed or sporadic access to the
open ocean, and in which ocean water is at least occasionally diluted by freshwater
runoff from the land. The salinity may be periodically increased above that of the
open ocean by evaporation. Along some low-energy coastlines there is appreciable
dilution of sea water. Estuarine habitat extends upstream and landward to where
ocean-derived salts measure less than 0.5% during the period of average annual low
flow. Includes both estuaries and lagoons.
_ MarinelEstuarine Shoreli~es: Shorelines include the intertidal and subtidal zones
of beaches, and may also include the backshore and adjacent components of the
terrestrial landscape (e.g., cliffs, snags, mature trees, dunes, meadows) that are
important to shoreline associated fish and wildlife and that contribute to shoreline
function (e.g., sand/rock/log recruitment, nutrient contribution, erosion control).
If wetland has 3 or more priority habitats = 4 points
If wetland has 2 priority habitats = 3 points
Ifwetland has 1 priority habitat = 1 point No habitats = 0 points
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Wetland Rating Form - western Washington
16
August 2004
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H 2.4 Wetland Landscape (choose the one description of the landscape around the
wetland that bestfits) (see p. 84)
There are at least 3 other wetlands within ~ mile, and the connections between them
are relatively undisturbed (light grazing between wetlands. OK, as is lake shore with
some boating, but connections should NOT be bisected by paved roads, fill, fields,
or other development. points = 5
The wetland is Lake-fringe on a lake with little disturbance and there are 3 other lake- ~
fringe wetlands within ~ mile points = 5
There are at least 3 other wetlands within 'is mile, BUT the connections between them
are disturbed points = 3
The wetland is Lake-fringe .on a lake with disturbance and there are 3 other lake-
fringe wetland within 'is mile points = 3
There is at least 1 wetland within 'is mile. points = 2
There are no wetlands within ~ mile. points = 0
H 2. TOTAL Score - opportunity for providing habitat 2-
Add the scores in the column above
Total Score for Habitat Functions.... add the points for HI, H 2 and record the result on ~
p.l
RECE~VED
JUL 2 3 2008
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Wetland Rating Form - western Washington
17
August 2004
CATEGORIZATION BASED ON SPECIAL CHARACTERISTICS
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Please determine if the wetland meets the attributes described below and circle the
appropriate answers and Category.
Wetland Type
Check off any criteria that apply to the wetland Circle the appropriate Category
when the appropriate criteria are met.
SC 1.0 Estuarine wetlands (see p. 86)
Does the wetland meet the following criteria for Estuarine wetlands?
- The dominant water regime is tidal,
- Vegetated, and
- With a salinity greater than 0.5 ppt.
YES = Go to SC 1.1 NO ,,/
SC 1.1 Is the wetland within a National Wildlife Refuge, National Park,
National Estuary Reserve, Natural Area Preserve, State Park or Educational,
Environmental, or Scientific Reserve designated under WAC 332-30-151?
YES = Category I NO go to SC 1.2
SC 1.2 Is the wetland at least 1 acre in size and meets at least two of the
following three conditions? YES = Category I NO = Category II
- The wetland is relatively undisturbed (has no diking, ditching, filling,
cultivation, grazing, and has less than 10% cover of non-native plant
species. If the non-native Spartina spp. are the only species ,that cover
more than 10% of the wetland, then the wetland should be given a dual
rating (I/II). The area of Spartina would be rated a Category II while the
relatively undisturbed upper marsh with native species would be a
Category 1. Do not, however, exclude the area of Spartina in
determining the size threshold of 1 acre.
- At least % of the landward edge ofthe wetland has a 100 ft buffer of
shrub, forest, or un-grazed or un-mowed grassland.
- The wetland has at least 2 of the following features: tidal channels,
depressions with open water, or contiguous freshwater wetlands.
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Wetland Rating Form - western Washington
August 2004
18
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Cat. I
Cat. I
, Cat. II
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SC 2.0 Natural Heritage Wetlands (seep. 87) ,h. J\,JUI~ LUUJ~7; iF]
Natural Heritage wetlands have been identified by the Washington Natural Heritage Cat. I
Program/DNR as either high quality undisturbed wetlands or wetlands that support
state Threatened, Endangered, or Sensitive plant species.
SC 2.1 Is the wetland being rated in a Section/TownshiplRange that contains a
Natural Heritage wetland? (this question is used to screen out most sites
before you need to contact WNHP/DNR)
Srr/R information from Appendix D ..::!..- or accessed from WNHP/DNR web site _
YES_ - contact WNHPIDNR (see p. 79) and go to SC 3.2
NO .,~
SC 2.2 Has DNR identified the wetland as a high quality undisturbed wetland or as
or as a site with state threatened or endangered plant species?
YES = Category I NO -.::L
,
SC 3.0 Bogs (seep. 87)
Does the wetland (or part of the wetland) meet both the criteria for soils and
vegetation in bogs? Use the key below to identify if the wetland is a bog. If you
answer yes you will still need to rate the wetland based on its functions.
1. Does the wetland have organic soil horizons (i.e. layers of organic soil),
either peats Qr mucks, that compose 16 inches or more of the first 32 inches
of the soil profile? (See Appendix B for a field key to identify organic
soils)?Yes - go to Q. 3 No - go to Q. 2
2. Does the wetland have organic soils, either peats or mucks that are less than
16 inches deep over bedrock, or an impermeable hardpan such as clay or
volcanic ash, or that are floating on a lake or pond?
Yes - go to Q. 3 No - Is not a bog for purpose of rating
3. Does the wetland have more than 70% cover of mosses at ground level,
AND other plants, if present, consist of the "bog" species listed in Table 3
as a significant component of the vegetation (more than 30% of the total
shrub and herbaceous cover consists of species in Table 3)?
Yes - Is a bog for purpose of rating No - go to Q. 4
NOTE: If you are uncertain about the extent of mosses in the understory
you may substitute that criterion by measuring the pH of the water that
seeps into a hole dug at least 16" deep. If the pH is less than 5.0 and the
"bog" plant species in Table 3 are present, the wetland is a bog.
3. Is the wetland forested (> 30% cover) with sitka spruce, subalpine fir,
western red cedar, western hemlock, lodgepole pine, quaking aspen,
Englemann's spruce, or western white pine, WITH any of the species (or
combination of species) on the bog species plant list in Table 3 as a
significant component of the ground cover (> 30% coverage of the total
shrublherbaceous cover)?
4. YES = Category I
No.J Is not a bog for purpose of rating
Cat. I
Wetland Rating Form - western Washington
19
August 2004
SC 4.0 Forested Wetlands (see p. 90)
Does the wetland have' at least 1 acre of forest that meet one of these criteria for the
Department ofFish and Wildlife's forests as priority habitats? If you answer yes you
will still need to rate the wetland based on its functions.
- Old-growth forests: (west of Cascade crest) Stands of at least two tree species,
forming a multi-layered canopy with occasional small openings; with at least 8
trees/acre (20 trees/hectare) that are at least 200 years of age OR have a
diameter at breast height (dbh) of 32 inches (81 cm) or more.
NOTE: The criterion for dbh is based on measurements for upland forests.
Two-hundred year old trees in wetlands will often have a smaller dbh
because their growth rates are often slower. The DFW criterion is and "OR"
so old-growth forests do not necessarily have to have trees of this diameter.
- Mature forests: (west of the Cascade Crest) Stands where the largest trees are
80 - 200 years old OR have average diameters (dbh) exceeding 21 inches
(53cm); crown cover may be less that 100%; decay, decadence, numbers of
snags, arid quantity of large downed material is generally less than that found
in old-growth.
YES = Category I NO -./
SC 5.0 Wetlands in Coastal Lagoons (see p. 91)
Does the wetland meet all of the following criteria of a wetland in a coastal lagoon?
- The wetland lies in a depression adjacent to marine waters that is wholly
or partially separated from marine waters by sandbanks, gravel banks,
shingle, qr, less frequently, rocks'
'. -r The lagoon in which the wetland is located contains surface water that is
>~, ).- saline or brackish (> 0.5 ppt) during most of the year in at least a portion
of the lagoon (needs to be measured near the bottom)
YES = Go to SC 5.1 NO ~ not a wetland in a coastal lagoon
SC 5.1 Does the wetland meets all of the following three conditions?
~ The wetland is relatively undisturbed (has no diking, ditching, filling,
cultivation, grazing), and has less than 20% cover of invasive plant
species (see list of invasive species on p. 74).
- At least % of the landward edge of the wetland has a 100 ft buffer of
shrub, forest, or un-grazed or un-mowed grassland.
- The wetland is larger than 1/10 acre (4350 square feet)
YES = Category I NO = Category IT
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Wetland Rating Form - western Washington
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August 2004
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SC 6.0 Interdunal Wetlands (seep. 93)
Is the wetland west of the 1889 line (also called the Western Boundary of Upland
Ownership or WBUO)?
YES - go to SC 6.1 NO ~ not an interdunal wetland for rating
If you answer yes you will still need to rate the wetland based on its
functions.
In practical terms that means the following geographic areas:
· Long Beach Peninsula- lands west of SR 103
· Grayland-Westport-Iands west ofSR 105
· Ocean Shores-Copalis- lands west of SR 115 and SR 109
SC 6.1 Is the wetland one acre or larger, or is it in a mosaic of wetlands that is
once acre or larger?
YES = Category II NO - go to SC 6.2
SC 6.2 Is the wetland between 0.1 and 1 acre, or is it in a mosaic of wetlands that
is between 0.1 and I acre?
YES = Category III
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D RAFT WETLAND RATING FORM - WESTERN WASHINGTON
Name of wetland (if known): L^.),d-t~'r(~ I:--~
Location: SEC: ~ TWNSHP:.:::Ol'okNGE: WJ (attach map with outline of wetland to rating form)
Person(s) Rating Wetland: \'.:JLl2:>
Affiliation: L..a\f\d. 'aJ...;.. Date of site visit: .
DRAFT SUMMARY OF RATING
Category based on FUNCTIONS provided by wetland
I II III IVJ
Category I = Score >70
Category II = Score 51-69
Category ill = Score 30-50
Category IV = Score < 30
Score for Water Quality Functions
Score for Hydrologic Functions
Score for Habitat Functions
TOTAL score for functions
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Category based on SPECIAL CHARACTERISTICS of wetland
I II_Does not Apply J
Final Category (choose the "highest" category from aho"e) W
Check the appropriate type and class of wetland being rated.
WetlandT
Estuarine
Natural Herita e Wetland
Bo
Mature Forest
Old Growth Forest
Coastal La oon
Interdunal
None of the above
;:;;:;';;i;:~:,1:We'tlaija><jlaSsJ;f.:i;gt:'i'
De ressional
Riverine
Lake-frin e
Slo e J
Flats
Freshwater Tidal
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Wetland Rating Form - western Washington
August 2004
Does the wetland being rated meet any of the criteria below?
If you answer YES to any of the questions below you will need to protect the wetland
according to the regulations regarding the special characteristics found in the wetland.
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SPI. Has the wetland been documented as a habitatfor any Federally listed
Threatened or Endangered plant or animal species (TIE species)?
For the purposes of this rating system, "documented" means the wetland is on the
a ro riate state or federal database.
SP2. Has the wetland been documented as habitat for any State listed Threatened or
Endangered plant or animal species?
For the purposes of this rating system, "documented" means the wetland is on the
a ro riate state database.
SP3. Does the wetland contain individuals of Priority species listed by the WDFW
for the state?
SP4. Does the wetland have a local significance in addition to its functions? For
example, the wetland has been identified in the Shoreline Master Program,
the Critical Areas Ordinance, or in a local management plan as having
special significance.
To complete the next part of the data sheet yOU will need to determine the
Hvdrogeomorphic Class of the wetland being rated
The hydrogeomorphic classification groups wetlands into those that function in similar ways. This
simplifies the questions needed to answer how well the wetland functions. The Hydrogeomorphic
Class of a wetland can be determined using the key below. See p. 24 for more detailed instructions
on classifying wetlands.
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Classification of Vegetated Wetlands for Western Washington
Wetland Name: tJ...)'i.A,Q:o-,,,,,,6, t\ Date:
1. Are the water levels in the wetland usually controlled by tides (i.e. except during floods)?
/NO - go to 2 YES - the wetland class is Tidal Fringe
If yes, is the salinity of the water during periods of annual low flow below 0.5 ppt (parts per
thousand)? YES - Freshwater Tidal Fringe NO - Saltwater Tidal Fringe (Estuarine)
If your wetland can be classified as a Freshwater Tidal Fringe use the forms for Riverine
wetlands. Ifit is Saltwater Tidal Fringe it is rated as an Estuarine wetland. Wetlands that
were called estuarine in the ftrst and second editions of the rating system are called Salt
Water Tidal Fringe in the Hydrogeomorphic Classification., Estuarine wetlands were
categorized separately in the earlier editions, and this separation is being kept in this
revision. To maintain consistency between editions, the, term "Estuarine" wetland is kept.
Please note, however, that the characteristics that defme Category I and II estuarine
wetlands have changed (see p. ).
2. Is the topography within the wetland flat and precipitation is only source (>90%) of water to it.
'-'NO - go to 3 YES - The wetland class is Flats
If your wetland can be classified as a "Flats" wetland, use the form for Depressional
wetlands.
3. Does the wetland meet both of the following criteria?
_The vegetated part of the wetland is on the shores of a body of open water (without any
vegetation on the surface) where at least 20 acres (8 ha) are permanently inundated
(ponded or flooded);
_At least 30% of the open water area is deeper than 6.6 ft (2 m)?
JNO - go to 4 YES - The wetland class is Lake-fringe (Lacustrine Fringe)
4. Does the wetland meet all of the following criteria?
~ The wetland is on a slope (slope can be very gradual),
~The water flows through the wetland in one direction (unidirectional) and usually
comes from seeps. It may flow subsurface, as sheetflow, or in a swale without distinct
banks.
~ The water leaves the wetland without being impounded?
NOTE: Surface water does not pond in these type of wetlands except occasionally in
very small and shallow depressions or behind hummocks( depressions are usually
<3ft diameter and less than 1 foot deep).
NO - go to 5 ~S - The wetland class is Slope
5. Is the wetland in a valley, or stream channel, where it gets inundated by overbank flooding from
that stream or river? The flooding should occur at least once every two years, on the average, to
answer ''yes.'' The wetland can contain depressions that are filled with water when the river is
not flooding.
NO - go to 6 YES - The wetland class is Riverine
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Wetland Rating Form - western Washington
3
August 2004
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6. Is the wetland in a topographic depression in which water ponds, or is saturated to the surface, at e \
some time of the year. This means that any outlet, ifpresent, is higher than the interior of the j :
wetland.
NO - go to 7 YES - The wetland class is Depressional
7. Is the wetland located in a very flat area with no obvious depression and no stream or river
running through it and providing water. The wetland seems to be maintained by high
groundwater in the area. The wetland may be ditched, but has no obvious natural outlet.
NO - go to 8 YES - The wetland class is Depressional
8. Your wetland seems to be difficult to classify. For example, seeps at the base of a slope may
grade into a riverine floodplain, or a small stream within a depressional wetland has a zone of
flooding along its sides. Sometimes we find characteristics of several different hydrogeomorphic
classes within one wetland boundary. Use the following table to identify the appropriate class to
use for the rating system if you have several HGM classes present within your wetland. NOTE:
Use this table only if the class that is recommended in the second column represents 10% or more
of the total area of the wetland being rated. If the area of the second class is less than 10% classify
the wetland using the first class.
HGM Classes Withlna DeltnealedWeUaniiliound/
Slo e + Riverine
Slo e + De ressional
Slo e + Lake-frin e
Depressional + Riverine along stream within boundary
D ressional+ Lake-frin e
Salt Water Tidal Fringe and any other class of freshwater
wetland
Class"'fo''Usefh''jilitin
Riverine
D ressional
Lake- frin e
Depressional
De ressional
Treat as ESTUARINE under
wetlands with special
characteristics
.
If you are unable still to determine which of the above criteria apply to your wetland, or you have
more than 2 HGM classes within a wetland boundary, classify the wetland as Depressional for
the rating.
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1'8 Slope Wetlands Points
WATER QUALITY FUNCTIONS - Indicators that wetland functions to
improve water quality
8 S 1. Does the wetland have the potential to improve water quality? (seep. 64)
8 S 1.1 Characteristics of average slope of wetland:
Slope isl % or less (a 1% slope has a 1 foot vertical drop in elevation for every
100 ft horizontal distance) ....... ................................ points = 3
Slope is 1% - 2% points = 2 0
Slope is 2% - 5% points = 1
Slope is greater than 5% points = 0
,
S S '1.2 The soil 2 inches below the surface is clay, organic, or smells anoxic
(hydrogen sulfide or rotten eggs). c)
YES = 3 points NO = 0 points,
S S 1.3 Characteristics of the vegetation in the wetland that trap sediments and
pollutants:
Choose the points appropriate for the description that best fits the vegetation in
the wetland Dense vegetation means you have trouble seeing the soil surface.
Dense, ungrazed, herbaceous vegetation> 90% of the wetland area points = 6 c:>
Dense, ungrazed,herbaceous vegetation> 1/2 of area points = 3
Dense, woody, vegetation> 'l2 of area points = 2
Dense, ungrazed, herbaceous vegetation> 1/4 of area points = 1
Does not meet any of the criteria above for vel!:etation points = 0
S Total for S 1 Add the points in the boxes above C)
S S 2. Does the wetland have the oPDortunitv to improve water quality? (seep. 67)
Answer YES if you know or believe there are pollutants in groundwater or surface
water coming into the wetland that would otherwise reduce water quality in
streams, lakes or groundwater downgradient from the wetland? Note which of the
following conditions provide the sources of pollutants.
- Grazing in the wetland or within 150ft
- Untreated stormwater discharges to wetland
- Tilled fields, logging, or orchards within 150 feet of wetland /
- Residential, urban areas, or golf courses are within 150 ft upslope of multiplier
wetland
- Other
YES multiplier is 2 NO multiplier is 1 -
S TOTAL - Water Quality Functions Multiply the score from S 1 by S2 0
Add score to tahle on]J. 1
Comments
"
Wetland Rating Form - western Washington
11
August 2004
S Slope Wetlands Points
HYDROLOGIC FUNCTIONS - Indicators that wetland functions to reduce
flooding and stream erosion
S 3. Does the wetland have the potential to reduce flooding and stream erosion?
(see D. 68)
S S 3 .1 Characteristics of vegetation that reduce the velocity of surface flows during
storms. Choose the points qppropriate for the description that best fit
conditions in the wetland
Dense, uncut, rigid vegetation covers > 90% of the area of the wetland.
(stems of plants should be thick enough (usually> 1/8in), or dense enough, to
remain erect during surface flows) points = 6 0
Dense, uncut, rigid vegetation> 1/2 area of wetland points = 3
Dense, uncut, rigid vegetation> 1/4 area points = I
More than 1/4 of area is grazed, mowed, tilled or vegetation is
not riJ:!:id points = 0
S S 3.2 Characteristics of slope wetland that holds back small amounts of flood
flows:
The slope wetland has small surface depressions that can retain water over at c)
least 10% of its area. YES points = 2
NO points = 0
S Add the points in the boxes above D
S S 4. Does the wetland have the opportunity to reduce flooding and erosion?
(see p. 70)
Is the wetland in a landscape position where the reduction in water velocity it
provides helps protect downstream property and aquatic resources from flooding
or excessive and/or erosive flows? Note which ofthefollowing conditions apply.
- Wetland has surface runoff that drains to a river or stream that has flooding
problems multiplier
- Other
(Answer NO if the major source of water is controlled by a reservoir (e.g. wetland is
a seep that is on the downstream side of a dam)
YES multiplier is 2 NO multiplier is 1
S TOTAL - Hydrologic Functions Multiply the score from S 3 by S 4 0
Add score to table on p. 1
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Wetland Rating Form - western Washington
12
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HABITAT FUNCTIONS - Indicators that wetland functions to provide important habitat
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H 1. Does the wetland have the potential to provide habitat for many species?
H 1.1 Vegetation structure (seep. 72)
Check the types of vegetation classes present (as defined by Cowardin) if the class
covers more than 10% of the area of the wetland or ~ acre.
_Aquatic bed
--L- Emergent plants
~Scrub/shrub (areas where shrubs have >30% cover)
_Forested (areas where trees have >30% cover)
_Forested areas have 3 out of5 strata (canopy, sub-canopy, shrubs, herbaceous,
moss/ground-cover)
Add the number of vegetation types that qualify.
H 1.2. Hvdro{Jeriods (see p. 73)
Check the types of water regimes (hydroperiods) present within the wetland The
water regime has to cover more than 10% of the wetland or ~ acre to count. (see text
for descriptions of hydroperiods)
_Permanently flooded or inundated
_Seasonally flooded or inundated
_Occasionally flooded or inundated
~Saturated only
_ Permanently flowing stream or river in, or adjacent to, the wetland
_ Seasonally flowing stream in, or adjacent to, the wetland
_ Lake-fringe wetland = 2 points
_Freshwater tidal wetland = 2 points
H 1.3. Richness of Plant Species (seep. 75)
Count the number of plant species in the wetland that cover at least 10 ft2. (different
patches of the same species can be combined to meet the size threshold)
You do not have to name the species.
Do not include Eurasian Milfoil, reed canarygrass, purple loosestrife, Canadian
Thistle
If you have:
4 types or more
3 types
2 types
1 type
4 or more types present
3 types present
2 types present
If you counted:
List species below if you want to:
> 19 species
5 - 19 species
< 5 species
Wetland Rating Form - western Washington
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points = 4
points = 2
points = 1
points = 0
points = 3
points = 2
point = 1
points = 2
points = 1
points = 0
August 2004
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H 1.4. Interspersion of habitats (see p. 76)
Decided from the diagrams below whether interspersion between types of
vegetation (described in H 1.1), or vegetation types and unvegetated areas (can
include open water or mudflats) is high, medium, low, or none.
o
None = 0 points
Moderate = 2 points
Low = 1 point
/
[riparian braided channels]
High = 3 points
NOTE: If you have four or more vegetation types or three vegetation types
and 0 en water the ratin is alwa s "hi ".
H 1.5. Special Habitat Features: (see p. 77)
Check the habitat features that are present in the wetland. The number of checks is
the number of points you put into the next column.
_Large, downed, woody debris within the wetland (>4in. diameter and 6 ft long).
_Standing snags (diameter at the bottom> 4 inches) in the wetland
_Undercut banks are present for at least 6.6 ft (2m) and/or overhanging vegetation
extends at least 3.3 ft (1m) over a stream for at least 33 ft (10m)
_Stable steep banks of fine material that might be used by beaver or muskrat for
denning (>30degree slope) OR signs of recent beaver activity are present
_At least Y4 acre of thin-stemmed persistent vegetation or woody branches are present
in areas that are permanently or seasonally inundated (structures for egg-daying by
amphibians)
~ Invasive plants cover less than 25% of the wetland area in each stratum of plants
H 1. TOTAL Score - potential for providing habitat
Add the scores in the column above
Comments
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H 2. Does the wetland have the opportunity to provide habitat for many species?
H 2.1 Buffers (seep. 80)
Choose the description that best represents. condition of buffer of wetland. The highest
scoring criterion that applies to the wetland is to be used in the rating. See text for
definition of "undisturbed. "
. - 100 m (330ft) of relatively undisturbed vegetated areas, rocky areas, or open water
>95% of circumference. No developed areas within undisturbed part of buffer.
(relatively undisturbed also means no-grazing) Points = 5.
- 100 m (330 ft) of relatively undisturbed vegetated areas, rocky areas, or open water
> 50% circumference. Points = 4
- 50 m (170ft) of relatively undisturbed vegetated areas, rocky areas, or open water
>95% circumference. Points = 4 '
- 100 m (330ft) of relatively undisturbed vegetated areas, rocky areas, or open water
> 25% circumference, . Points = 3
- 50 m (170ft) ofrelatively undisturbed vegetated areas, rocky areas, or open water
for> 50% circumference. Points = 3
If buffer does not meet any of the three criteria above
.L. No paved areas (except paved trails) or buildings within 25 m (80ft) of wetland >
95% circumference. Light to moderate grazing, or lawns are OK. Points = 2
- No paved areas or buildings within 50m of wetland for >50% circumference.
Light to moderate grazing, or lawns are OK. Points = 2
- Heavy grazing in buffer. Points = 1
- Vegetated buffers are <2m wide (6.6ft) for more than 95% of the circumference
(e.g. tilled fields, paving, basalt bedrock extend to edge of wetland Points = o.
- Buffer does not meet any of the criteria above. Points = 1
H 2.2 Corridors and Connections (seep. 81)
H 2.2.1 Is the wetland part of a relatively undisturbed and unbroken vegetated
corridor (either riparian or upland) that is at least 150 ft wide, has at least 30% cover
of shrubs, forest or native undisturbed prairie, that connects to estuaries, other
wetlands or undisturbed uplands that are at least 250 acres in size? (dams in riparian
corridors, heavily used gravel roads, paved roads, are considered breaks in the
corridor).
YES = 4 points (go to H 2.3) ./ NO = go to H 2.2.2
H 2.2.2 Is the wetland part of a relatively undisturbed and unbroken vegetated
corridor (either riparian or upland) that is at least 50ft wide, has at least 30% cover of
shrubs or forest, and connects to estuaries, other wetlands or undisturbed uplands
that are at least 25 acres in size? OR a Lake-fringe wetland, if it does not have an
undisturbed corridor as in the question above?
YES = 2 points (go to H 2.3) J NO = H 2.2.3
H 2.2.3 Is the wetland:
within 5 mi (8Ian) of a brackish or salt water estuary OR
within 3 mi of a large field or pasture (>40 acres) OR
within 1 mi of a lake greater than 20 acres?
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Wetland Rating Form - western Washington
15
August 2004
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H 2.3 Near or adjacent to other priority habitats listed by WDFW (see p. 82)
Which of the following priority habitats are within 330ft (100m) of the wetland?
(see text for a more detailed description of these priority habitats)
_Riparian: The area adjacent to aquatic systems with flowing water that contains
elements of both aquatic and terrestrial ecosystems which mutually influence each other.
_Aspen Stands: Pure or mixed stands of aspen greater than 0.8 ha (2 acres).
_Cliffs: Greater than 7.6 m (25 ft) high and occurring below 5000 ft.
_Old-growth forests: (Old-growth west of Cascade crest) Stands of at least 2 tree
species, forming a multi-layered canopy with occasional small openings; with at
least 20 trees/ha (8 trees/acre) > 81 cm (32 in) dbh or> 200 years of age.
_Mature forests: Stands with average diameters exceeding 53 cm (21 in) dbh; crown
cover may be less that 100%; crown cover may be less that 100%; decay,
decadence, numbers of snags, and quantity of large downed material is generally
less than that found in old-growth; 80 - 200 years old west of the Cascade crest.
_Prairies: Relatively undisturbed areas (as indicated by dominance of native plants)
where grasses and{or forbs form the natural climax plant community.
_Talus: Homogenous areas of rock rubble ranging in average size 0.15 - 2.0 m (0.5 -
6.5 ft), composed of basalt, andesite, and/or sedimentary rock, including riprap
slides and mine tailings. May be associated with cliffs.
_Caves: A naturally occurring cavity, recess, void, or system of interconnected
passages
_Oregon white Oak: Woodlands Stands of pure oak or oak/conifer associations
where canopy coverage of the oak component of the stand is 25%.
_Urban Natural Open Space: A priority species resides within or is adjacent to the
open space and uses it for breeding and/or regular feeding; and/or the open space
functions as a corridor connecting other priority habitats, especially those that
would otherwise be isolated; and/or the open space is an isolated remnant of natural
habitat larger thanA ha (10 acres) and is surrounded by urban development.
_Estuary/Estuary-like: Deepwater tidal habitats and adjacent tidal wetlands, usually
semi-enclosed by land but with open, partly obstructed or sporadic access to the
open ocean, and in which ocean water is at least occasionally diluted by freshwater
runoff from the land. The salinity may be periodically increased above that of the
open ocean by evaporation. Along some low-energy coastlines there is appreciable
dilution of sea water. Estuarine habitat extends upstream and landward to where
ocean-derived salts measure less than 0.5% during the period of average annual low
flow. Includes both estuaries and lagoons.
_ Marine/Estuarine Shorelines: Shorelines include the intertidal and subtidal zones
of beaches, and may also include the backshore and adjacent components of the
terrestrial landscape (e.g., cliffs, snags, mature trees, dunes, meadows) that are
important to shoreline associated fish and wildlife and that contribute to shoreline
function (e.g., sand/rockllog recruitment, nutrient contribution, erosion control).
If wetland has 3 or more priority habitats = 4 points
If wetland has 2 priority habitats = 3 points
If wetland has 1 priority habitat = 1 point No habitats = 0 points
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H 2.4 Wetland Landscape (choose the one description of the landscape around the
wetland that bestfits) (see p. 84)
There are at least 3 other wetlands within 'l2 mile, and the connections between them
are relatively undisturbed (light grazing between wetlands OK, as is lake shore with
some boating, but connections should NOT be bisected by paved roads, fill, fields,
or other development. points = 5
The wetland is Lake-fringe on a lake with little disturbance and there are 3 other lake-
fringe wetlands within 'l2 mile points = 5
There are at least 3 other wetlands within 'l2 mile, BUT the connections between them
are disturbed points = 3
The wetland is Lake-fringe on a lake with disturbance and there .are 3 other lake-
fringe wetland within 'l2 mile points = 3
There is at least I wetland within 'l2 mile. points = 2
There are no wetlands within 'l2 mile. points, = 0
H 2. TOTAL Score - opportunity for providing habitat
Add the scores in the column above
Total Score for Habitat Functions - add the points for H 1, H 2 and record the result on
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CATEGORIZATION BASED ON SPECIAL CHARACTERISTICS
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Please determine if the wetland meets the attributes described below and circle the
appropriate answers and Category.
Wetland Type
Check off any criteria that apply to the wetland. Circle the appropriate Category
when the aDDropriate criteria are met.
SC 1.0 Estuarine wetlands (see p. 86)
Does the wetland meet the following criteria for Estuarine wetlands? '
- The dominant water regime is tidal,
- Vegetated, and
- With a salinity greater than 0.5 ppt.
YES = Go to SC 1.1 NO .J
SC 1.1 Is the wetland within a National Wildlife Refuge, National Park,
National Estuary Reserve, Natural Area Preserve, State Park or Educational,
Environmental, or Scientific Reserve designated under WAC 332-30-151?
YES = Category I NO go to SC 1.2
SC 1.2 Is the wetland at least I acre in size and meets at least two of the
following three conditions? YES = Category I NO = Category IT
- The wetland is relatively undisturbed (has no diking, ditching, filling,
cultivation, grazing, and has less than 10% cover of non-native plant
species. If the non-native Spartina spp. are the only species that cover
more than 10% of the wetland, then the wetland should be given a dual
rating (I/II). The area of Spartina would be rated a Category II while the
relatively undisturbed upper marsh with native species would be a
Category I. Do not, however, exclude the area of Spartina in
determining the size threshold of 1 acre.
- At least % of the landward edge of the wetland has a 100 ft buffer of
shrub, forest, or un-grazed or un-mowed grassland.
- The wetland has at least 2 of the following features: tidal channels,
depressions with open water, or contiguous freshwater wetlands.
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Wetland Rating Form - western Washington
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August 2004
Category
Cat. I
Cat. I
Cat. n
Dual
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SC 2.0 Natural Heritage Wetlands (seep. 87)
Natural Heritage wetlands have been identified by the Washington Natural Heritage
ProgramJDNR as either high quality undisturbed wetlands or wetlands that support
state Threatened, Endangered, or'Sensitive plant species.
SC 2.1 Is the wetland being rated in a Section/Township/Range that contains a
Natural Heritage wetland? (this question is used to screen out most sites
before you need to contact WNHP/DNR)
S/T/R information from Appendix D .J or accessed from WNHP/DNR web site _
YES _ - contact WNHPIDNR (see p. 79) and go to SC 3.2
NO J
SC 2.2 HaS DNR identified the wetland as a high quality undisturbed wetland or as
or as a site with state threatened or endangered plant species?
YES = Category I NO /'
SC 3.0 Bogs (seep. 87)
Does the wetland (or part of the wetland) meet both the criteria for soils and
vegetation in bogs? Use the key below to identify if the wetland is a bog. If you
answer yes you will still need to rate the wetland based on its functions.
1. Does the wetland have organic soil horizons (i.e. layers of organic soil),
either peats or mucks, that compose 16 inches or more of the first 32 inches
of the soil profile? (See Appendix B for a field key to identify organic
soils)? Yes - go to Q. 3 No - go to Q. 2
2. Does the wetland have organic soils, either peats or mucks that are less than
16 inches deep over bedrock, or an impermeable hardpan such as clay or
volcanic ash, or that are floating on a lake or pond?
Yes - go to Q. 3 No - Is not a bog for purpose of rating
3. Does the wetland have more than 70% cover of mosses at ground level,
AND other plants, if present, consist of the "bog" species listed in Table 3
as a significant component of the vegetation (more than 30% of the total
shrub and herbaceous cover consists of species in Table 3)?
Yes - Is a bog for purpose of rating No - go to Q. 4
NOTE: If you are uncertain about the extent of mosses in the understory
you may substitute that criterion by measuring the pH of the water that
seeps into a hole dug at least 16" deep. If the pH is less than 5.0 and the
"bog" plant species in Table 3 are present, the wetland is a bog.
3. Is the wetland forested (> 30% cover) with sitka spruce, subalpine ftr,
western red cedar, western hemlock, lodgepole pine, quaking aspen,
Englemann's spruce, or western white pine, WITH any of the species (or
combination of species) on the bog species plant list in Table 3 as a
significant component of the ground cover (> 30% coverage of the total
shrublherbaceous cover)?
4. YES = Category I No~ Is not a bog for purpose of rating
Wetland Rating Form - western Washington
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August 2004
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Cat. I
SC 4.0 Forested Wetlands (see p. 90)
Does the wetland have at least 1 acre of forest that meet one of these criteria for the
Department ofFish and Wildlife's forests as priority habitats? If you answer yes you
will still need to rate the 'wetland based on its functions.
- Old-growth forests: (west of Cascade crest) Stands of at least two tree species,
forming a multi-layered canopy with occasional small openings; with at least 8
trees/acre (20 trees/hectare) that are at least 200 years of age OR have a
diameter at breast height (dbh) of32 inches (81 cm) or more.
NOTE: The criterion for dbh is based on measurements for upland forests.
Two-hundred year old trees in wetlands will often have a smaller dbh
because their growth rates are often slower. The DFW criterion is and "OR"
so old-growth forests do not necessarily have to have trees of this diameter.
- Mature forests: (west of the Cascade Crest) Stands where the largest trees are
80 - 200 years old OR have average diameters (dbh) exceeding 21 inches
(53cm); crown cover may be less that 100%; decay, decadence, numbers of
snags, and quantity of large downed material is generally less than that found
in old-growth.
YES = Category I NO "../
SC 5.0 Wetlands in Coastal Lagoons (see p. 91)
Does the wetland meet all of the following criteria ofa wetland in a coastal lagoon?
- The wetland lies in a depression adjacent to marine waters that is wholly
or partially separated from marine waters by sandbanks, gravel banks,
shingle, or, less frequently, rocks
- The lagoon in which the wetland is located contains surface water that is
saline or brackish (> 0.5 ppt) during most of the year in at least a portion
of the lagoon (needs to be measured near the bot/om)
YES = Go to SC 5.1 NO J not a wetland in a coastal lagoon
SC 5.1 Does the wetland meets all of the following three conditions?
- The wetland is relatively undisturbed (has no diking, ditching, filling,
cultivation, grazing), and has less than 20% cover of invasive plant
species (see list of invasive species on p. 74).
- At least % of the landward edge of the wetland has a 100 ft buffer of
shrub, forest, or un-grazed or un-mowed grassland.
- The wetland is larger than 1/10 acre (4350 square feet)
YES = Category I NO = Category II
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SC 6.0 Interdunal Wetlands (seep. 93)
Is the wetland west of the 18891ine (also called the Western Boundary of Upland
Ownership or WBUO)? .
YES - go to SC 6.1 NO J not an interdunal wetland for rating
If you answer yes you will still need to rate the wetland based on its
functions.
In practical terms that means the following geographic areas:
· Long Beach Peninsula- lands west of SR 103
· Grayland-Westport-lands west ofSR 105
· Ocean Shores-Copalis- lands west of SR 115 and SR 109
SC 6.1 Is the wetland one acre or larger, or is it ina mosaic of wetlands that is
once acre or larger?
YES = Category II NO - go to SC 6.2 Cat. II
SC 6.2 Is the wetland between 0.1 and racre, or is it in a mosaic of wetlands that
is between 0.1 and 1 acre?
YES = Category III Cat. III
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Wetland Rating Form - western Washington
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WETLAND RATING FORM - WESTERN WASHINGTON
Name of wetland (if known): WeTLA~D ~,
Location: SEC: 3>3 TWNSHP:JoMrnGE: 1)J , (attach map with outline of ",etland to rating form)
Person(s) Rating Wetland: 'b\-g Affiliation:CA""DAv Date of site visit: 5'/7-8/,...00.........
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SUMMARY OF RATING
Category based on FUNCTIONS provided by wetland
I II III IV )(
Category I = Score >=70
Category II = Score 51-69
C~tegory ill = Score 30-50
Category IV = Score < 30
Score for Water Quality Functions
Score for Hydrologic Functions
Score for Habitat Functions
TOTAL score for functions
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Category based on SPECIAL CHARACTERISTICS' of wetland
1_ II Does not Apply >C
Final Category (choose the "highest" category from above)
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Check the appropriate type and class of wetland being rated.
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Estuarine Denressional
Natural Herital!e Wetland Riverine
Doe: Lake-frinl!e
Mature Forest Slone X
Old Growth Forest Flats
Coastal Lal!oon Freshwater Tidal
Interdunal
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Wetland Rating Form - western Washington
August 2004
Does the wetland being rated meet any of the criteria below?
If you answer YES to any of the questions below you will need to protect the wetland
according to the regulations regarding the special characteristics found in the wetland.
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SPl. Has the wetland been documented as a habitatfor any Federally listed
Threatened or Endangered plant or animal species (TIE species)?
For the purposes of this rating system, "documented" means the wetland is on the
a ro riate state or federal database.
SP2. Has the wetland been documented as habitat for any State listed Threatened or
Endangered plant or animal species?
For the purposes of this rating system, "documented" means the wetland is on the
a ro riate state database.
SP3. Does the wetland contain individuals of Priority species listed by the WDFW
for the state?
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SP4. Does the wetland have a local significance in addition to its functions? For
example, the wetland has been identified in the Shoreline Master Program,
the Critical Areas Ordinance, or in a local management plan as having
special significance.
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To complete the next part of the data sheet yOU will need to determine the
Hvdrogeomorphic Class of the wetland being rated.
.
The hydro geomorphic classification groups wetlands into those that function in similar ways. This
simplifies the questions needed to answer how well the wetland functions. The Hydrogeomorphic
Class of a wetland can be determined using the key below. See p. 24 for more detailed instructions
on classifying wetlands.
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Classification of Vegetated Wetlands for W esternW ashington
Wetland Name:
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1. Are the water levels in the wetland usually controlled by tides (i.e. except during floods)?
,/NO - go to 2 YES - the wetland class is Tidal Fringe
If yes, is the salinity of the water during periods of annual low flow below 0.5 ppt (parts per
thousand)? YES- Freshwater Tidal Fringe NO - Saltwater Tidal Fringe (Estuarine)
If your wetland can be classified as a Freshwater Tidal Fringe use the forms for Riverine
wetlands. Ifit is Saltwater Tidal Fringe it is rated as an Estuarine wetland. Wetlands that
were called estuarine in. the first and second editions of the rating system are called Salt
Water Tidal Fringe in the Hydrogeomorphic Classification. Estuarine wetlands were
categorized separately in the earlier editions, and this separation is being kept in this
revision. To maintain consistency between editions, the term "Estuarine" wetland is kept.
Please note, however, that the characteristics that defme Category I and II estuarine
wetlands have changed (see p. ).
2. Is the topography within the wetland flat and precipitation is only source (>90%) of water to it.
",NO - go to 3 YES - The wetland class is Flats
If your wetland can be classified as a "Flats" wetland, use the form for Depressional
wetlands.
3. Does the wetland meet both of the following criteria?
~ The vegetated part of the wetland is on the shores of a body of open water (without any
vegetation on the surface) where at least 20 acres (8 ha) are permanently inundated
(ponded or flooded);
_At least 30% of the open water area is deeper than 6.6 ft (2 m)?
JNO - go to 4 YES- The wetland class is Lake-fringe (Lacustrine Fringe)
4. Does the wetland meet all of the following criteria?
~ The wetland is on a slope (slope can be very gradual),
~ The water flows through the wetland in one direction (unidirectional) and usually
comes from seeps. It may flow subsurface, as sheetflow, or in a swale without distinct
banks.
~ The water leaves the wetland without being impounded?
NOTE: Surface water does not pond in these type of wetlands except occasionally in
very small and shallow depressions or behind hummocks( depressions are usually
<3ft diameter and less than 1 foot deep).
NO - go to 5 vYES - The wetland class is Slope
5. Is the wetland in a valley, or stream channel, where it gets inundated by overbank flooding from
that stream or river? The flooding should occur at least once every two years, on the average, to
answer "yes." The wetland can contain depressions that are filled l1!Jth water when the river is
not flooding.
NO - go to 6
YES - The wetland class is Riverine
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6. Is the wetland in a topographic depression in which water ponds, or is saturated to the surface, at
some time of the year. This means that any outlet, ifpresent, is higher than the interior of the
wetland.
NO - go to 7 YES - The wetland class is Depressional
7. Is the wetland located in a very flat area with no obvious depression and no stream or river
running through it and providing water. The wetland seems to be maintained by high
groundwater in the area. The wetland may be ditched, but has no obvious natural outlet.
NO - go to 8 YES - The wetland class is Depressional
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8. Your wetland seems to be difficult to classify. F or example, seeps at the base of a slope may
grade into a riverine floodplain, or a small stream within a depressional wetland has a zone of
flooding along its sides. Sometimes we fmd characteristics of several different hydrogeomorphic
classes within one wetland boundary. Use the following table to identify the appropriate class to
use for the rating system if you have several HGM classes present within your wetland. NOTE:
Use this table only if the class that is recommended in the second column represents 10% or more
of the total area of the wetland being rated. If the area of the second class is less than 10% classify
the wetland using the first class.
HGM Classes Withiii'aDeliheaiedJvetlandBoundil '
Slo e + Riverine
Slo e + De ressional
Slo e + Lake-frin e
Depressional + Riverine along stream within boundary
De ressional + Lake-frin e
Salt Water Tidal Fringe and any other class of freshwater
wetland
Classio:tJse in Ratin
Riverine
De ressional
Lake- frin e
Depressional
De ressional
Treat as ESTUARINE under
wetlands with special
characteristics
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If you are unable still to determine which of the above criteria apply to your wetland, or you have
more than 2 HGM classes within a wetland boundary, classify the wetland as Depressional for
the rating.
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. S Slope Wetlands
WATER QUALITY FUNCTIONS - Indicators that wetland functions to
improve water quality
S S 1. Does the wetland have the potential to improve water quality? (seep. 64)
S S 1.1 Characteristics of average slope of wetland:
Slope isl% or less (a 1% slope has a 1 foot vertical drop in elevationfor every
100 ft horizontal distance) ..................................... points = 3
Slope is 1 % - 2% points = 2
Slope is 2% - 5% points = 1
Slope is greater than 5% points = 0
Points
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S 1.2 The soil 2 inches below the surface is clay, organic, or smells anoxic
(hydrogen sulfide or rotten eggs).
YES = 3 points NO = 0 points
S 1.3 Characteristics of the vegetation in the wetland that trap sediments and
pollutants:
Choose the points appropriate for the description that bestfits the vegetation in
the wetland Dense vegetation means you have trouble seeing the soil surface.
Dense, ungrazed, herbaceous vegetation> 90% of the wetland area points = 6
Dense, ungrazed, herbaceous vegetation> 1/2 of area points = 3
Dense, woody, vegetation> Y2 of area points == 2
Dense, ungrazed, herbaceous vegetation> 1/4 of area points = 1
Does not meet any of the criteria above for vegetation pointS = 0
Total for S 1 Add the points in the boxes above
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S 2. Does the wetland have the opportunity to improve water quality? (seep. 67)
Answer YES if you know or believe there are pollutants in groundwater or surface
water coming into the wetland that would otherwise reduce water quality in
streams, lakes or groundwater downgradient from the wetland? Note which of the
following conditions provide the sources of pollutants.
- Grazing in the wetland or within 150ft
- Untreated stormwater discharges to wetland
- Tilled fields, logging, or orchards within 150 feet of wetland
- Residential, urban areas, or golf courses are within 150 ft upslope of
wetland
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YES multiplier is 2 NO multiplier is 1 .
TOTAL - Water Quality Functions Multiply the score from SI by S2
Add score to table on p. 1
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Wetland Rating Form - western Washington
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S Slope Wetlands Points
HYDROLOGIC FUNCTIONS - Indicators that wetland functions to reduce
floodin~ and stream erosion
S 3. Does the wetland have the potential to reduce flooding and stream erosion?
(see D. 68)
S S 3 .1 Characteristics of vegetation that reduce the velocity of surface flows during
storms. Choose the points appropriate for the description that bestfit
conditions in the wetland
Dense, uncut, rigid vegetation covers > 90% of the area of the wetland.
(stems of plants should be thick enough (usually> 1I8in), or dense enough, to
remain erect during surface flows) points = 6 0
Dense, uncut, rigid vegetation> 1/2 area of wetland points = 3
Dense, uncut, rigid vegetation> 1/4 area points = I
More than 114 of area is grazed, mowed, tilled or vegetation is
not ri~id points = 0
S S 3.2 Characteristics of slope wetland that holds back small amounts of flood
flows:
The slope wetland has small surface depressions that can retain water over at 2-
least 10% of its area. YES points = 2
NO points = 0
S Add the points in the boxes above '2..
S S 4. Does the wetland have theoDDortunitv to reduce flooding and erosion? ,
(see p. 70)
Is the wetland in a landscape position where the reduction in water velocity it
provides helps protect downstream property and aquatic resources from flooding
or excessive and/or erosive flows? Note which of the following conditions apply.
- Wetland has surface runoff that drains to a river or stream that has flooding
problems multiplier
- Other
(Answer NO if the major source of water is controlled by a reservoir (e.g. wetland is 2-
a seep that is on the downstream side of a dam)
YES multiplier is 2 NO multiplier is 1
S TOTAL - Hydrologic Functions Multiply the score from S 3 by S 4 L{
Add score to table on p. 1
Comments
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HABITAT FUNCTIONS - Indicators.thatwetland functions to provide important habitat
H 1. Does the wetland have the potential to provide habitat for many species?
H 1.1 Vegetation structure (see p. 72)
Check the types of vegetation classes present (as defined by Cowardin) if the class
covers more than 10% of the area of the wetland or % acre.
_Aquatic bed
~ Emergent plants
-->.C-Scrub/shrub (areas where shrubs have >30% cover)
_Forested (areas where trees have >30% cover)
---.,.;Forested areas have 3 out of 5 strata (canopy, sub-canopy, shrubs, herbaceous,
moss/ground-cover)
Add the number of vegetation types that qualifY.
If you have:
4 types or more
3 types
2 types
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points = 2
points = I
oints = 0
H 1.2. Hvdroperiods (see p. 73)
Check the types of water regimes (hydroperiods) present within the wetland. The
water regime has to cover more than 10% of the wetland or ~ acre to count. (see text
for descriptions of hydro periods)
_Permanently flooded or inundated
_Seasonally flooded or inundated
_Occasionally flooded or inundated
~ Saturated only
_ Permanently flowing stream or river in, or adjacent to, the wetland
_ Seasonally flowing stream in, or adjacent to, the wetland
_ Lake-fringe wetland = 2 points
Freshwater tidal wetland = 2 points
H 1.3. Richness of Plant Species (seep. 75)
Count the number of plant species in the wetland that cover at least 10 tr. (different
patches of the same species can be combined to meet the size threshold) .
You do not have to name the species.
Do not include Eurasian Milfoil, reed canarygrass, purple loosestrife, Canadian
Thistle
4 or more types present
3 types present
2 types present
If you counted:
List species below if you want to:
> 19 species
5 - 19 species
< 5 species
points = 3
points = 2
point = 1
points = 2
points = 1
points = 0
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Wetland Rating Form - western Washington
13
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H 1.4. Interspersion of habitats (see p. 76)
Decided from the diagrams below whether interspersion between types of
vegetation (described in H 1.1), or vegetation types and unvegetated areas (can
include open water or mudflats) is high, medium, low, or none.
C)
None = 0 points
Moderate = 2 points
Low = 1 point
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[riparian braided channels]
High = 3 points
NOTE: If you have four or more vegetation types or three vegetation types
and 0 en water the ratin is alwa s "hi ".
H 1.5. Special Habitat Features: (see p. 77)
Check the habitat features that are present in the wetland The number of checks is
the number of points you put into the next column.
_Large, downed, woody debris within the wetland (>4in. diameter and 6 :ft long).
_Standing snags (diameter at the bottom> 4 inches) in the wetland
_Undercut banks are present for at least 6.6 :ft (2m) and/or overhanging vegetation
extends at least 3.3 :ft (lm) over a stream for at least 33 :ft (lOrn)
_Stable steep banks of fme material that might be used by beaver or muskrat for
denning (>30degree slope) OR signs of recent beaver activity are present
_At least Y4 acre of thin-stemmed persistent vegetation or woody branches are present
in areas that are permanently or seasonally inundated. (structures for egg-laying by
amphibians)
-L Invasive plants cover less than 25% of the wetland area in each stratum of plants
HI. TOTAL Score - potential for providing habitat
Add the scores in the column above
Comments
Wetland Rating Form - western Washington
14
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H 2. Does the wetland have the opportunity to provide habitat for many species?
H 2.1 Buffers (seep. 80)
Choose the description that best represents condition of buffer of wetland. The highest
scoring criterion that applies to, the wetland is to be used in the rating. See text for
definition of "undisturbed. "
- 100 m (330ft) of relatively undisturbed vegetated areas, rocky areas, or open water
>95% of circumference. No developed areas within undisturbed part of buffer.
(relatively undisturbed also means no-grazing) Points = 5
- 100 m (330 ft) of relatively undisturbed vegetated areas, rocky areas, or open water
> 50% circumference. Points = 4
- 50 m (170ft) of relatively undisturbed vegetated areas, rocky areas, or open water
>95% circumference. Points = 4
- 100 m (330ft) of relatively undisturbed vegetated areas, rocky areas, or open water
> 25% circumference, . Points = 3
-/ 50 m (170ft) of relatively undisturbed vegetated areas, rocky areas, or open water
for> 50% circumference. Points = 3
If buffer does not meet any of the three criteria above
- No paved areas (except paved trails) or buildings within 25 m (80ft) of wetland >
95% circumference. Light to moderate grazing, or lawns are OK. Points = 2
- No paved areas or buildings within 50m of wetland for >50% circumference.
Light to moderate grazing, or lawns are OK. Points = 2
- Heavy grazing in buffer. Points = 1
- Vegetated buffers are <2m wide (6.6ft) for more than 95% of the circumference
(e.g. tilled fields, paving, basalt bedrock extend to edge of wetland Points = O.
- Buffer does not meet any of the criteria above. Points = 1
H 2.2 Corridors and Connections (see p. 81)
H 2.2.1 Is the wetland part of a relatively undisturbed and unbroken vegetated
corridor (either riparian or upland) that is at least 150 ft wide, has at least 30% cover
of shrubs, forest or native undisturbed prairie, that connects to estuaries, other
wetlands or undisturbed uplands that are at least 250 acres in size? (dams in riparian
corridors, heavily used gravel roads, paved roads, are considered breaks in the
corridor).
YES = 4 points (go to H 2.3) ~O = go to H 2.2.2
H 2.2.2 Is the wetland part of a relatively undisturbed and unbroken vegetated
corridor (either riparian or upland) that is at least 50ft wide, has at least 30% cover of
shrubs or forest, and connects to estuaries, other wetlands or undisturbed uplands
that are at least 25 acres in size? OR a Lake-fringe wetland, if it does not have an
undisturbed corridor as in the question above?
YES = 2 points (go to H 2.3) -I NO = H 2.2.3
H 2.2.3 Is the wetland:
within 5 mi (8Ian) of a brackish or salt water estuary OR
within 3 mi of a large field or pasture (>40 acres) OR
within 1 mi of a lake greater than 20 acres?
YES = 1 point NO = O,points
Wetland Rating Form - western Washington
15
August 2004
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H 2.3Near or adiacent to other priority habitats listed by WDFW (see p. 82)
Which of the following priority habitats are within 330ft (100m) ofthe-wetland?--'
(see text for a more detailed description of these priority habitats)
_Riparian: The area adjacent to aquatic systems with flowing water that contains
elements of both aquatic and terrestrial ecosystems which mutually influence each other.
_Aspen Stands: Pure or mixed stands of aspen greater than 0.8 ha (2 acres).
_Cliffs: Greater than 7.6 m (25 ft) high and occurring below 5000 ft.
_Old-growth forests: (Old-growth west of Cascade crest) Stands of at least 2 tree
species, forming a multi-layered canopy with occasional small openings; with at
least 20 trees/ha (8 trees/acre) > 81 cm (32 in) dbh or> 200 years of age.
_Mature forests: Stands with average diameters exceeding 53 cm (21 in) dbh; crown
cover may be less that 100%; crown cover may be less that 100%; decay,
decadence, numbers of snags, and quantity of large downed material is generally
less than that found in old-growth; 80 - 200 years old west of the Cascade crest.
_Prairies: Relatively undisturbed areas (as indicated by dominance of native plants)
where grasses and/or forbs form the natural climax plant community.
_Talus: Homogenous areas of rock rubble ranging in average size 0.15 - 2.0 m (0.5 -
6.5 ft), composed of basalt, andesite, and/or sedimentary rock, including riprap
slides and mine tailings. May be associated with cliffs.
_Caves: A naturally occurring cavity, recess, void, or system of interconnected
passages ,
_Oregon white Oak: Woodlands Stands of pure oak or oak/conifer associations
where canopy coverage of the oak component of the stand is 25%.
_Urban Natural Open Space: A priority species resides within or is adjacent to the
open space and uses it for breeding and/or regular feeding; and/or the open space
functions as a corridor connecting other priority habitats, especially those that
would otherwise be isolated; and/or the open space is an isolated remnant of natural
habitat larger than 4 ha (1 0 acres) and is surrounded by urban development.
_Estuary/Estuary-like: Deepwater tidal habitats and adjacent tidal wetlands, usually
semi-enclosed by land but with open, partly obstructed or sporadic access to the
open ocean, and in which ocean water is at least occasionally diluted by freshwater
runoff from the land. The salinity may be periodically increased above that of the
open ocean by evaporation. Along some low-energy coastlines there is appreciable
dilution of sea water. Estuarine habitat extends upstream and landward to where
ocean-derived salts measure less than 0.5% during the period of average annual low
flow. Includes both estuaries and lagoons.
_Marine/Estuarine Shorelines: Shorelines include the intertidal and subtidal zones
of beaches, and may also include the backshore and adjacent components of the
terrestrial landscape (e.g., cliffs, snags, mature trees, dunes, meadows) that are
important to shoreline associated fish and wildlife and that contribute to shoreline
function (e.g., sand/rock/log recruitment, nutrient contribution, erosion control).
If wetland has 3 or more priority habitats = 4 points
If wetland has 2 priority habitats = 3 points
Ifwetland has 1 riori habitat = 1 oint No habitats = 0 oints
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Wetland Rating Form - western Washington
16
August 2004
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H 2.4 Wetland Landscape (choose the one description of the landscape around the
wetland that bestfits) (seep. 84)
There are at least 3 other wetlands within ~ mile, and the connections between them
are relatively undisturbed (light grazing between wetlands OK, as is lake shore with
some boating, but connections should NOT be bisected by paved roads, fill, fields,
or other development. points = 5
The wetland is Lake-fringe on a lake with little disturbance and there are 3 other lake-
fringe wetlands within ~ mile points = 5
There are at least 3 other wetlands within ~ mile, BUT the connections between them ~
are disturbed points = 3
The wetland is Lake-fringe on a lake with disturbance and there are 3 other lake-
fringe wetland within ~ mile points = 3
There is at least I wetland within ~ mile. points = 2
There are no wetlands within ~ mile. points = 0
H 2. TOTAL Score - opportunity for providing habitat "{
Add the scores in the column above
Total Score for Habitat Functions - add the points for HI, H 2 and record the result ,on
p. 1 \0
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Wetland Rating Form - western Washington
17
August 2004
CATEGORIZATION BASED ON SPECIAL CHARACTERISTICS
Please determine if the wetland meets the attributes described below and circle the
appropriate answers and Category.
Wetland Type
Check off any criteria that apply to the wetland Circle the appropriate Category
when the aTJTJroTJriate criteria are met.
SC 1.0 Estuarine wetlands (see p. 86)
Does the wetland meet the following criteria for Estuarine wetlands?
- The dominant water regime is tidal,
- Vegetated, and
- With a salinity greater than 0.5 ppt.
YES = Go to SC 1.1 NO J
SC 1.1 Is the wetland within a National Wildlife Refuge, National Park,
National Estuary Reserve, Natural Area Preserve, State Park or Educational,
Environmental, or Scientific Reserve designated under WAC 332-30-151 ?
YES = Category I NO go to SC 1.2
SC 1.2 Is the wetland at least 1 acre in size and meets at least two of the
following three conditions? YES = Category I NO = Category II
- The wetland is relatively undisturbed (has no diking, ditching, filling,
cultivation, grazing, and has less than 10% cover of non-native plant
species. If the non-native Spartina spp. are the only species that cover
more than 10% of the wetland, then the wetland should be given a dual
rating (I/II). The area of Spartina would be rated a Category II while the
relatively undisturbed upper marsh with native species would be a
Category I. Do not, however, exclude the area of Spartina in
determining the size threshold of 1 acre.
- At least % of the landward edge of the wetland has a 100 ft buffer of
shrub, forest, or un-grazed or un-mowed grassland.
- The wetland has at least 2 of the following features: tidal channels,
depressions,with open water, or contiguous freshwater wetlands.
, Category
Cat. I
Cat. I
Cat. II
Dual
rating
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Wetland Rating Form - western Washington
18
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SC 2.0 Natural Heritage Wetlands (seep. 87)
Natural Heritage wetlands have been identified by the Washington Natural Heritage
Program/DNR as either high quality undisturbed wetlands or wetlands that support
state Threatened, Endangered, or Sensitive plant species.
SC 2.1 Is the wetland being rated in a SectionITownship/Range that contains a
Natural Heritage wetland? (this question is used to screen out most sites
before you need to contact WNHP/DNR)
S/T/R information from Appendix D L or accessed from WNHPIDNR web site _
YES_ - contact WNHPIDNR (see p. 79) and go to SC 3.2
NOL
SC 2.2 Has DNR identified the wetland as a high quality undisturbed wetland or as
or as a site with state threatened or endangered plant species?
YES = Category I NO ~
SC 3.0 Bogs (see p.87)
Does the wetland (or part of the wetland) meet both the criteria for soils and
vegetation in bogs? Use the key below to identify if the wetland is a bog. If you
answer yes you will still need to rate the wetland based on its functions.
1. Does the wetland have organic soil horizons (i.e. layers of organic soil),
either peats or mucks, that compose 16 inches or more of the first32 inches
of the soil profile? (See Appendix B for a field key to identify organic
soils)? Yes - go to Q. 3 No - go to Q.2
2. Does the wetland have organic soils, either peats or mucks that are less than
16 inches deep over bedrock, or an impermeable hardpan such as clay or
volcanic ash, or that are floating on a lake or pond?
Yes - go to Q. 3 No - Is not a bog for purpose of rating
3. Does the wetland have more than 70% cover of mosses at ground level,
AND other plants, if present, consist of the "bog" species listed in Table 3
as a significant component of the vegetation (more than 30% of the total
shrub and herbaceous cover consists of species in Table 3)?
Yes - Is a bog for purpose of rating No - go to Q. 4
NOTE: If you are uncertain about the extent of mosses in the understory
you may substitute that criterion by measuring the pH of the water that
seeps into a hole dug at least 16" deep. If the pH is less than 5.0 and the
"bog" plant species in Table 3 are present, the wetland is a bog.
3. Is the wetland forested (> 30% cover) with sitka spruce, subalpine fir,
western red cedar, western hemlock, lodgepole pine, quaking aspen,
Englemann's spruce, or western white pine, WITH any of the species (or
combination of species) on the bog species plant list in Table 3 as a
significant component of the ground cover (> 30% coverage of the total
shrublherbaceous cover)?
4. YES = Category I No J Is not a bog for purpose of rating
Wetland Rating Form - western Washington
19
August 2004
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Cat. I .
Cat. I
SC 4.0 Forested Wetlands (see p. 90)
Does the wetland have at least 1 acre of forest that meet one of these criteria for the
Department ofFish and Wildlife's forests as priority habitats? If you answer yes you
will still need to rate the wetland based on its functions.
- Old-growth forests: (west of Cascade crest) Stands of at least two tree species,
forming a multi-layered canopy with occasional small openings; with at least 8
trees/acre (20 trees/hectare) that are at least 200 years of age OR have a
diameter at breast height (dbh) of32 inches (81 em) or more.
NOTE: The criterion for dbh is based on measurements for upland forests.
Two-hundred year old trees in wetlands will often have a smaller dbh
because their growth rates are often slower. The DFW criterion is and "OR"
so old-growth forests do not necessarily have to have trees of this diameter.
- Ma~re forests: (west ofthe Cascade Crest) Stands where the largest trees are
80 - 200 years old OR have average diameters (dbh) exceeding 21 inches
(53cm); crown cover may be less that 100%; decay, decadence, numbers of
snags, and quantity of large downed material is generally less than that found
in old-growth.
YES = Category I NO -.d
SC 5.0 Wetlands in Coastal Lagoons (see p. 91)
Does the wetland meet all of the following criteria of a wetland in a coastal lagoon ?
- The wetland lies in a depression adjacent to marine waters that is wholly ,
or partially separated from marine waters by sandbanks, gravel banks,
shingle, or, less frequently, rocks
- The lagoon in which the wetland is located contains surface water that is
saline or brackish (> 0.5 ppt) during most of the year in at least a portion
of the lagoon (needs to be measured near the bot/om)
YES = Go to SC 5.1 NO ,/ not a wetland in a coastal lagoon
SC 5.1 Does the wetland meets all of the following three conditions?
- The wetland is relatively undisturbed (has no diking, ditching, filling,
cultivation, grazing), and has less than 20% cover of invasive plant
species (see list of invasive species on p. 74).
- At least % of the landward edge of the wetland has a 100 ft buffer of
shrub, forest, or un-grazed or un-mowed grassland.
- The wetland is larger than 1/10 acre (4350 square feet)
YES = Category I NO = Category II
Wetland Rating Form - western Washington
20
August 2004
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SC 6.0 Interdunal Wetlands (seep. 93)
Is the wetland west of the 1889 line (also called the Western Boundary of Upland
Ownership or WBUO)?
YES - go to SC 6.1 NO .:L not an interdunal wetland for rating
lfyou answer yes you will still need to rate the wetland based on its
functions.
In practical terms that means the following geographic areas:
· Long Beach Peninsula- lands west of SR 103
· Grayland-Westport-lands west ofSR 105
· Ocean Shores-Copalis- lands west of SR 115 and SR 109
SC 6.1 Is the wetland one acre or larger, or is it in a mosaic of wetlands that is
once acre or larger?
YES = Category II NO ~go to SC 6.2
SC 6.2 Is the wetland between 0.1' and I acre, or is it in a mosaic of wetlands that
is between 0.1 and I acre?
YES = Category III
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Wetland Rating Form - western Washington
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August 2004
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Cat. III
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WETLAND RATING FORM - WESTERN WASHINGTON
Name of wetland (if known): LvG"71-A/'JO I.-
Location: SEC: ~S TWNSHP:3D#RNGE: I vJ (attach map with outline of wetland to rating form)
Person(s) Rating Wetland: 'l)t...-0 Affiliation: l,;...AN L)rrv Date of site visit: ;/1- s/,,-OO"l-
(l...An"u',Jfr raevl t;;l) M,.;. y, ~
SUMMARY OF RATING
Category based on FUNCTIONS provided by wetland
I II III IV ><
Category I = Score >=70
Category il = Score 51-69
Category ill = Score 30-50
Category IV = Score < 30
Score for Water Quality Functions
Score for Hydrologic Functions
Score for Habitat Functions
TOTAL score for functions
Category based on SPECIAL CHARACTERISTICS of wetland
I II Does not Apply X
Final Category (choose the "highest" category from above)
Check the appropriate type and class of wetland being rated.
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De ressional
Riverine
Lake-frin e
Slo e >(
Flats
Freshwater Tidal
Estuarine
Natural Berita e Wetland
Bo
Mature Forest
Old Growth Forest
Coastal La oon
Interdunal
None of the above
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Does the wetland being rated meet any of the criteria below?
If you answer YES to any of the questions below you will need to protect the wetland
according to the regulations regarding the special characteristics found in the wetland.
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SP 1. Has the wetland been documented as a habitat for any Federally listed
Threatened or Endangered plant or animal species (TIE species)?
For the purposes of this rating system, "documented" means the wetland is on the
a ro riate state or federal database.
SP2. Has the wetland been documented as habitat for any State listed Threatened or
Endangered plant or animal species?
For the purposes of this rating system, "documented" means the wetland is on the
a ro riate state database.
SP3. Does the wetland contain individuals of Priority species listed by the WDFW
for the state?
!;"YES
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SP4. Does the wetland have a local significance in addition to its functions? For
example, the wetland has been identified in the Shoreline Master Program,
the Critical Areas Ordinance, or in a local management plan as having
special significance.
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To complete the next part of the data sheet yOU will need to determine the
Hvdrogeomorphic Class of the wetland being rated.
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The hydro geomorphic classification groups wetlands into those that function in similar ways. This
simplifies the questions needed to answer how well the wetland functions. The Hydrogeomorphic
Class of a wetland can be determined using the key below. See p. 24 for more detailed instructions
on classifying wetlands.
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Classification of Vegetated Wetlands (or Western Washington
Wetland Name:
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1. Are the water levels in the wetland usually controlled by tides (i.e. except during floods)?
>JNO - go to 2 YES - the wetland class is Tidal Fringe '
If yes, is the salinity of the water during periods of annual low flow below 0.5 ppt (parts per
thousand)? YES - Freshwater Tidal Fringe NO -Saltwater Tidal Fringe (Estuarine)
/f your wetland can be classified as a Freshwater Tidal Fringe use the forms for Riverine
wetlands. /fit is Saltwater Tidal Fringe it is rated as an Estuarine wetland Wetlands that
were called estuarine in the first and second editions of the rating system are called Salt
Water Tidal Fringe in the Hydrogeomorphic Classification. Estuarine wetlands were
categorized separately in the earlier editions, and this separation is being kept in this
revision. To maintain consistency between editions, the term "Estuarine" wetland is kept.
Please note, however, that the characteristics that define Category I and II estuarine
wetlands have changed (see p. ).
2. Is the topography within the wetland flat and precipitation is only source (>90%) of water to it.
vNO - go to 3 YES - The wetland class is Flats
If your wetland can be classified as a "Flats" wetland, use the form for Depressional
wetlands.
3. Does the wetland meet both of the following criteria?
_The vegetated part of the wetland is on the shores of a body of open water (without any
vegetation on the surface) where at least 20 acres (8 ha) are permanently inundated
(ponded or flooded);
_At least 30% of the open water area is deeper than 6.6 ft (2 m)?
VNO - go to 4 YES - The wetland class is Lake-fringe (Lacustrine Fringe)
4. Does the wetland meet all of the following criteria?
_The wetland is on a slope (slope can be very gradual),
_The water flows through the wetland in one direction (unidirectional) and usually
comes from seeps. It may flow subsurface, as sheetflow, or in a swale without distinct
banks.
_The water leaves the wetland without being impounded?
NOTE: Surface water does not pond in these type of wetlands except occasionally in
very small and shallow depressions or behind hummocks ( depressions are usually
<3ft diameter and less than 1 foot deep).
".NO - go to 5 YES - The wetland class is Slope
5. Is the wetland in a valley, or stream channel, where it gets inundated by overbank flooding from
that stream or river? The flooding should occur at least once every two years, on the average, to
answer "yes." The wetland can contain depressions that are filled with water when the river is
not flooding.
vNO - go to 6 YES - The wetland class is Riverine
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6. Is the ~etland in a topographic depression in which water ponds, or his saturatehd to the surf1ifache, at _ )
some time of the year. This means that any outlet, ifpresent, is hig er than t e interior 0 t e i i
wetland. LJ
NO - go to 7 YES - The wetland class is Depressional
7. Is the wetland located in a very flat area with no obvious depression and no stream or river
running through it and providing water. The wetland seems to be maintained by high
groundwater in the area. The wetland may be ditched, but has no obvious natural outlet.
NO - go to 8 "'YES - The wetland class is Depressional
8. Your wetland seems to be difficult to classify. For example, seeps at the base of a slope may
grade into a riverine floodplain, or a small stream within a depressional wetland has a zone of
flooding along its sides. Sometimes we fmd characteristics of several different hydro geomorphic
classes within one wetland boundary. Use the following table to identify the appropriate class to
use for the rating system if you have several HGM classes present within your wetland. NOTE:
Use this table only ifthe class that is recommended in the second column represents 10% or more
of the total area of the wetland being rated. If the area of the second class is less than 10% classify
the wetland using the first class.
HGM ClassesWith'lnaDelineatedWetlandlJounda";;', ,;
Slo e + Riverine
Slo e + De ressional
Slo e + Lake-frin e
Depressional + Riverine along stream within boundary
De ressional + Lake- frin e
Salt Water Tidal Fringe and any other class of freshwater
wetland
'Cla&si(YUsein'Ratl'rt" ,;,."<;"
Riverine
D ressional
Lake- frin e
Depressional
De ressional
Treat as ESTUARINE under
wetlands with special
characteristics
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If you are unable still to determine which of the above criteria apply to your wetland, or you have
more than 2 HGM classes within a wetland boundary, classify the wetland as Depressional for
the rating.
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4
August 2004
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WATER QUALITY FUNCTIONS - Indicators that wetland functions to improve
water quality .'
o D 1. Does the wetland have the potential to improve water quality? (see p. 38)
D 1.1 Characteristics of surface water flows out of the wetland:
Wetland is a depression with no surface water outlet points = 3
Wetland has an intermittently flowing, or highly constricted, outlet points,= 2
Wetland has an unconstricted surface outlet points = 1
Wetland is flat and has no obvious outlet and/or outlet is a ditch points = 1
D 1.2 The soil 2 inches below the surface is clay, organic, or smells anoxic
(hydrogen sulfide or rotten eggs).
YES points = 4
NO points = 0
D 1.3 Characteristics of persistent vegetation (emergent, shrub, and/or forest class):
Wetland has persistent, ungrazed, vegetation> = 95% of area points = 5
Wetland has persistent, ungrazed, vegetation> = 1/2 of area points = 3
Wetland has persistent, ungrazed vegetation> = 1/10 of area pomts = 1
Wetland has persistent, ungrazed vegetation <1/10 of area points = 0
D 1.4 Characteristics of seasonalponding or inundation.
This is the area of the wetland that is pondedfor at least 2 months, but dries out
sometime during the year. Do not count the area that is permanently ponded.
Estimate area as the average condition 5 out of 1 0 yrs.
Area seasonally ponded is > 1'2 total area of wetland points = 4
Area seasonally ponded is > ~ total area of wetland ,points = 2
Area seasonally ponded is < ~ total area of wetland points = 0
NOTE: See textfor indicators of seasonal and permanent inundation..
Total for D 1 Add the points in the boxes above
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Answer YES if you know or believe there are pollutants in groundwater or surface
water coming into the wetland that would otherwise reduce water quality in
streams, lakes or groundwater downgradient from the wetland? Note which of the
following conditions provide the sources of pollutants.
- Grazing in the wetland or within 150 ft
- Untreated stormwater discharges to wetland
- Tilled fields or orchards within 150 ftofwetland
- A stream or culvert discharges into wetland that drains developed areas,
residential areas, farmed fields, roads, or clear-cut logging
- Residential, urban areas, golf courses are within 150 ft of wetland
- Wetland is fed by groundwater high in phosphorus or nitrogen
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TOTAL - Water Quality Functions Multiply the score from Dl by D2
Add score to table on D. 1
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5
August 2004
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HYDROLOGIC FUNCTIONS - Indicators that wetland functions to reduce
floodin and stream de adation
D 3. Does the wetland have the potential to reduce flooding and erosion?
(see . 46
D D 3.1 Characteristics of smface water flows out of the wetland
Wetland has no surface water outlet points = 4
Wetland has an intermittently flowing, or highly constricted, outlet points = 2
Wetland is flat and has no obvious outlet and/or outlet is a small ditch points = 1
Wetland has an unconstricted surface outlet oints = 0
D D 3.2 Depth of storage during wet periods
Estimate the height of ponding above the bottom of the outlet
Marks of ponding are 3 ft or more above the smface points = 7
The wetland is a "headwater" wetland'" points = 5
Marks of ponding between 2 ft to < 3 ft from surface points = 5
Marks are at least 0.5 ft to < 2 ft from surface points = 3
Wetland is flat but has small depressions on the surface that trap water points = 1
Marks of ondin less than 0.5 ft oints = 0
D D 3.3 Contribution of wetland to storage in the watershed
Estimate the ratio of the area of upstream basin contributing surface water to the
wetland to the area of the wetland itself.
The area of the basin is less than 10 times the area of wetland points = 5
The area of the basin is 10 to 100 times the area of the wetland points = 3
The area of the basin is more than 100 times the area of the wetland points = 0
Wetland is in the FLATS class asin = the wetland, b definition oints = 5
D Total for D 3 Add the points in the boxes above
D D 4. Does the wetland have the opportunity to reduce flooding and erosion?
(see p. 49)
Answer YES if the wetland is in a location in the watershed where the flood
storage, or reduction in water velocity, it provides helps protect downstream
property and aquatic resomces from flooding or excessive and/or erosive flows.
Answer NO if the water coming into the wetland is controlled by a structure such
as flood gate, tide gate, flap valve, reservoir etc. OR you estimate that more than
90% of the water in the wetland is from groundwater.
Note which of the following indicators of opportunity apply.
- Wetland is in a headwater of a river or stream that has flooding problems
- Wetland drains to a river or stream that has flooding problems
~ Wetland has no outlet and impounds smface runoff water that might
otherwise flow into a river or stream that has flooding problems
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D TOTAL - Hydrologic Functions Multiply the score from D 3 by D 4
Add score to table on p. 1
Wetland Rating Form - western Washington
6
August 2004
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HABITAT FUNCTIONS - Indicators that wetland functions to provide important habitat
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H 1. Does the wetland have the potential to provide habitat for many species?
H 1.1 Vegetation structure (see p. 72)
Check the types of vegetation classes present/as defined by Cowardin) if the class
covers more than J 0% of the area of the wetland or ~ acre.
_Aquatic bed
J Emergent plants
_Scrub/shrub (areas where shrubs have >30% cover)
_Forested (areas where trees have >30% cover)
_Forested areas have 3 out of 5 strata (canopy, sub,"canopy, shrubs, herbaceous,
moss/ grolUld-cover)
Add the number of vegetation types that qualify.
H 1.2. Hydroperiods (see p. 73)
Check the types of water regimes (hydroperiods) present within the wetland The
water regime has to cover more than J 0% of the wetland or ~ acre to count. (see text
for descriptions of hydroperiods)
_Permanently flooded or inundated
~ Seasonally flooded or inundated
_Occasionally flooded or inundated
~ Saturated only
_ Permanently flowing stream or river in, or adjacent to, the wetland
_ Seasonally flowing stream in, or adjacent to, the wetland
_ Lake-fringe wetland = 2 points
_Freshwater tidal wetland = 2 points
H 1.3. Richness of Plant Species (see p. 75)
Count the number of plant species in the wetland that cover at least 10 ft? (different
patches of the same species can be combined to meet the size threshold)
You do not have to name the species.
Do not include Eurasian Milfoil, reed canarygrass, purple loosestrife, Canadian
Thistle
If you have:
4 types or more
3 types
2 types
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4 or more types present
3 types present
2 types present
If you counted:
List species below if you want to:
> 19 species
5 - 19 species
< 5 species
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Wetland Rating Form - western Washington
1.
points = 4
points = 2
points = 1
oints = 0
points = 3
points = 2
point = 1
1-
points = 2
points = 1
points = 0
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H 1.4. Interspersion of habitats (seep. 76)
Decided from the diagrams below whether interspersion between types of
vegetation (described in H 1.1), or vegetation types and unvegetated areas (can
include open water or mudflats) is high, medium, low, or none.
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None = 0 points
Low = 1 point
Moderate = 2 points
[riparian braided channels]
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NOTE: If you have four or more vegetation types or three vegetation types
and 0 en water the ratin is alwa s "hi h".
H 1.5. Special Habitat Features: (see p. 77)
Check the habitat features that are present in the wetland. The number of checks is
the number of points you put into the next column.
_Large, downed, woody debris within the wetland (>4in. diameter and 6 ft long).
_Standing snags (diameter at the bottom> 4 inches) in the wetland
_Undercut banks are present for at least 6.6 ft (2m) and/or overhanging vegetation
extends at least 3.3 ft (1m) over a stream for at least 33 ft (10m)
_Stable steep banks of fine material that might be used by beaver or muskrat for
denning (>30degree slope)OR signs of recent beaver activity are present
_At least ~ acre of thin-stemmed persistent vegetation or woody branches are present
in areas that are permanently or seasonally inundated (structures for egg-laying by
amphibians)
~ Invasive plants cover less than 25% of the wetland area in each stratum of plants
H 1. TOTAL Score - potential for providing habitat
Add the scores in the column above
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Comments
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14
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H 2.1 Buffers (seep. 80)
Choose the description that best represents condition of buffer of wetland. The highest
scoring criterion that applies to the wetland is to be used in the rating. See text for
definition of "undisturbed"
- 100 m (330ft) of relatively undisturbed vegetated areas, rocky areas, or open water
>95% of circumference. No developed areas within undisturbed part of buffer.
(relatively undisturbed also means no-grazing) Points = 5
- 100 m (330 ft) of relatively undisturbed vegetated areas, rocky areas, or open water
> 50% circumference. Points = 4
- 50 m (170ft) of relatively undisturbed vegetated areas, rocky areas, or open water
>95% circumference. Points = 4
- 100 m (330ft) of relatively undisturbed vegetated areas, rocky areas, or open water
> 25% circumference, . Points =3
- 50 m (170ft) of relatively undisturbed vegetated areas, rocky areas, or open water
for> 50% circumference. Points = 3
If buffer does not meet any of the three criteria above
- No paved areas (except paved trails) or buildings within 25 m (80ft) of wetland >
95% circumference. Light to moderate grazing, or lawns are OK. Points = 2
- No paved areas or buildings within 50m of wetland for >50% circumference.
I Light to mode~~.gr~~~, or lawns are OK. Points = 2
~ Heavy ~ in buffer. ~'YYI.e.l.Ut"""':::"c Points = 1
- Vegetated buffers are <2m wide (6.6ft) for more than 95% of the circumference
(e.g. tilled fields, paving, basalt bedrock extend to edge of wetland Points = o.
- Buffer does not meet any of the criteria above. Points = 1
H 2.2 Corridors and Connections (seep. 81)
H 2.2.1 Is the wetland part of a relatively undisturbed and unbroken vegetated
corridor (either riparian or upland) that is at least 150 ft wide, has at least 30% cover
of shrubs, forest or native undisturbed prairie, that connects to estuaries, other
wetlands or undisturbed uplands that are at least 250 acres in size? (dams in riparian
corridors, heavily used gravel roads, paved roads, are considered breaks in the
corridor).
YES = 4 points (go to H 2.3) ..; NO = go to H 2.2.2
H 2.2.2 Is the wetland part of a relatively undisturbed and unbroken vegetated
corridor (either riparian or upland) that is at least 50ft wide, has at least 30% cover of
shrubs or forest, and connects to estuaries, other wetlands or undisturbed uplands
that are at least 25 acres in size? OR a Lake-fringe wetland,' if it does not have an
undisturbed corridor as in the question above?
YES = 2 points (go to H 2.3) -/ NO = H 2.2.3 '
H 2.2.3 Is the wetland:
within 5 mi (8km) of a brackish or salt water estuary OR
within 3 mi of a large field or pasture (>40 acres) OR
within 1 mi of a lake greater than 20 acres?
YES = 1 oint NO = 0 oints
Wetland Rating Form -western Washington
15
August 2004
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H 2.3 Near or adiacent to other priority habitats listed by WDFW (see p. 82)
Which of the following priority habitats are within 330ft (100m) of the wetland?
(see text for a more detailed description of these priority habitats)
_Riparian: The area adjacent to aquatic systems with flowing water that contains
elements of both aquatic and terrestrial ecosystems which mutually influence each other.
_Aspen Stands: Pure or mixed stands of aspen greater than 0.8 ha (2 acres).
_Cliffs: Greater than 7.6 m (25 ft) high and occurring below 5000 ft.
_Old-growth forests: (Old-growth west of Cascade crest) Stands of at least 2 tree
species, forming a multi-layered canopy with occasional small openings; with at
least 20 treeslha (8 trees/acre) > 81 cm (32 in) dbh or> 200 years of age.
_Mature forests: Stands with average diameters exceeding 53 cm (21 in) dbh; crown
cover may be less that 100%; crown cover may be less that 100%; decay,
decadence, numbers of snags, and quantity of large downed material is generally
less than that found in old-growth; 80 - 200 years old west of the Cascade crest.
_Prairies: Relatively undisturbed areas (as indicated by dominance of native plants)
where grasses and/or forbs form the natural climax plant community.
_Talus: Homogenous' areas of rock rubble ranging in average size 0.15 - 2.0 m (0.5 -
6.5 ft), composed of basalt, andesite, and/or sedimentary rock, including riprap
slides and mine tailings. May be associated with cliffs.
_Caves: A naturally occurring cavity, recess, void, or system of interconnected
passages
_Oregon white Oak: Woodlands Stands of pure oak or oak/conifer associations
where canopy coverage of the oak component of the stand is 25%.
_Urban Natural Open Space: A priority species resides within or is adjacent to the
open space and uses it for breeding and/or regular feeding; and/or the open space
functions as a corridor connecting other priority habitats, especially those that
would otherwise be isolated; and/or the open space is an isolated remnant of natural
habitat larger than 4 ha (10 acres) and is surrounded by urban development.
_ Estuary/Estuary-like: Deepwater tidal habitats and adjacent tidal wetlands, usually
semi-enclosed by land but with open, partly obstructed or sporadic access to the
open ocean, and in which ocean water is at least occasionally diluted by freshwater
runoff from the land. The salinity may be periodically increased above that of the
open ocean by evaporation. Along some low-energy coastlines there is appreciable
dilution of sea water. Estuarine habitat extends upstream and landward to where
ocean-derived salts measure less than 0.5% during the period of average annual low
flow. Includes both estuaries and lagoons.
~Marine/Estuarine Shorelines: Shorelines include the intertidal and subtidal zones
of beaches, and may also include the backshore and adjacent components ofthe
terrestrial landscape (e.g., cliffs, snags, mature trees, dunes, meadows) that are
important to shoreline associated fish and wildlife and that contribute to shoreline
function (e.g., sand/rock/log recruitment, nutrient contribution, erosion control).
If wetland has 3 or more priority habitats = 4 points
If wetland has 2 priority habitats = 3 points
Ifwetland has 1 priority habitat = 1 point No habitats = 0 points
(5)
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Wetland Rating Form - western Washington
16
August 2004
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wetland that best fits) (see p. 84)
There are at least 3 other wetlands within 'l2 mile, and the connections between them
are relatively undisturbed (light grazing between wetlands OK, as is lake shore with
some boating, but connections should NOT be bisected by paved roads, fill, fields,
or other development. points = 5
The wetland is Lake-fringe on a lake with little disturbance and there are 3 other lake-
fringe wetlands within 'l2 mile points == 5
There are at least 3 other wetlands within Y2 mile, BUT the connections between them ~
are disturbed points = 3
The wetland is Lake-fringe on a lake with disturbance and there are 3 other lake-
fringe wetland within Y2 mile points == 3
There is at least 1 wetland within Y2 mile. points = 2
There are no wetlands within Y2 mile. points = 0
H 2. TOTAL Score - opportunity for providing habitat 4
Add the scores in the column above
Total Score for Habitat Functions - add the points for H 1, H 2 and record. the result on ~
p. I
Wetland Rating Form - western Washington
17
August 2004
CATEGORIZATION BASED ON SPECIAL CHARACTERISTICS
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Please determine if the wetland meets the attributes described below and circle the
appropriate answers and Category.
Wetland Type
Check off any criteria that apply to the wetland. Circle the appropriate Category
when the aDDroDriate criteria are met.
SC 1.0 Estuarine wetlands (see p. 86)
Does the wetland meet the following criteria for Estuarine wetlands?
- The dominant water regime is tidal,
- Vegetated, and
- With a salinity greater than 0.5 ppt.
YES = GotoSC1.1 NOL
SC 1.1 Is the wetland within a National Wildlife Refuge, National Park,
National Estuary Reserve, Natural Area Preserve, State Park or Educational,
Environmental, or Scientific Reserve designated under WAC 332-30-151 ?
YES = Cate20rv I NO 20 to SC 1.2
SC 1.2 Is the wetland at least I acre in size and meets at least two of the
following three conditions? YES = Category I NO = Category II
- The wetland is relatively undisturbed (has no diking, ditching, filling,
cultivation, grazing, and has less than 10% cover of non-native plant
species. If the non-native Spartina spp. are the only species that cover
more than 10% of the wetland, then the wetland should be given a dual
rating (I1II). The area of Spartina would be rated a Category II while the
relatively undisturbed upper marsh with native species would be a
Category I. Do not, however, exclude the area of Spartina in
determining the size threshold of 1 acre.
- At least % of the landward edge of the wetland has a 100 ft buffer of
shrub, forest, or un-grazed or un-mowed grassland.
- The wetland has at least 2 of the following features: tidal channels,
depressions with open water, or contiguous freshwater wetlands.
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Wetland Rating Form - western Washington
18
August 2004
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SC 2.0 Natural Heritage Wetlands (see p.87)
Natural Heritage wetlands have been identified by the Washington Natural Heritage
Program/DNR as. either high quality ,undisturbed wetlands or wetlands that support '
state Threatened, Endangered, or Sensitive plant species.
SC 2.1 Is the wetland being rated in a Section/Township/Range that contains a
Natural Heritage wetland? (this question is used to screen out most sites
before you need to contact WNHP/DNR)
srrlR information from Appendix D .:::L or accessed from WNHPIDNR web site _
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YES_ - contact WNHP/DNR(see p. 79) and go to SC 3.2
NO ../
SC 2.2 Has DNR identified the wetland as a high quality undisturbed wetland or as
or as a site with state threatened or endangered plant species?
YES = Category I NO J
SC 3.0 Bogs (see p. 87)
Does the wetland (or part of the wetland) meet both the criteria for soils and
vegetation in bogs? Use the key below to identify if the wetland is a bog. If you
answer yes you will still need to rate the wetland based on its functions.
1. Does the wetland have organic soil horizons (i.e. layers of organic soil),
either peats or mucks, that compose 16 inches or more of the first 32 inches
of the soil profile? (See Appendix B for a field key to identify organic
soils)? Yes - go to Q. 3 No - go to Q. 2
2. Does the wetland have organic soils, either peats or mucks that are less than
16 inches deep over bedrock, or an impermeable hardpan such as clay or
volcanic ash, or that are floating on a lake or pond?
Yes - go to Q. 3 No - Is not a bog for purpose of rating
3. Does the wetland have more than 70% cover of mosses at ground level,
AND other plants, if present, consist of the "bog" species listed in Table 3
as a significant component of the vegetation (more than 30% of the total
shrub and herbaceous cover consists of species in Table3)?
Yes - Is a bog for purpose of rating No - go to Q. 4
NOTE: If you are uncertain about the extent of mosses in the understory
you may substitute that criterion by measuring the pH of the water that
seeps into a hole dug at least 16" deep. If the pH is less than 5.0 and the
"bog" plant species in Table 3 are present, the wetland is a bog.
3. Is the wetland forested (> 30% cover) with sitka spruce, subalpine fir,
western red cedar, western hemlock, lodgepole pine, quaking aspen,
Englemann's spruce, or western white pine, WITH any of the species (or
combination of species) on the bog species plant list in Table 3 as a
significant component of the ground cover (> 30% coverage of the total
shrublherbaceous cover)?
4. YES = Category I No J Is not a bog for purpose of rating
Wetland Rating Form - western Washington
19
August 2004
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SC 4.0 Forested Wetlands (see p. 90)
Does the wetland have at least 1 acre of forest that meet one of these criteria for the
Department ofFish and Wildlife's forests as priority habitats? Jfyou answer yes you
will still need to rate the wetland based on its functions.
- Old-growth forests: (west of Cascade crest) Stands of at least two tree species,
forming a multi-layered canopy with occasional small openings; with at least 8
trees/acre (20 trees/hectare) that are at least 200 years of age OR have a
diameter at breast height (dbh) of32 inches (81 cm) or more.
NOTE: The criterion for dbh is based on measurements for upland forests.
Two-hundred year old trees in wetlands will often have a smaller dbh
because their growth rates are often slower. The DFW criterion is and "OR"
so old-growth forests do not necessarily have to have trees of this diameter.
- Mature forests: (west ofthe Cascade Crest) Stands where the largest trees are
80 - 200 years old OR have average diameters (dbh) exceeding 21 inches
(53cm); crown cover may be less that 100%; decay, decadence, numbers of
snags, and quantity of large downed material is generally less than that found
in old-growth.
YES = Category I NO /
SC 5.0 Wetlands in Coastal Lagoons (see p. 91)
Does the wetland meet all of the following criteria ofa wetland in a coastal lagoon?
- The wetland lies in a depression adjacent to marine waters that is wholly
or partially separated from marine waters by sandbanks, gravel banks,
shingle, or, less frequently, rocks
- The lagoon in which the wetland is located contains surface water that is
saline or brackish (> 0.5 ppt) during most of the year in at least a portion
of the lagoon (needs to be measured near the bottom)
YES = Go to SC 5.1 NO -/ not a wetland in a coastal lagoon
SC 5.1 Does the wetland meets all of the following three conditions?
- The wetland is relatively undisturbed (has no diking, ditching, filling,
cultivation, grazing), and has less than 20% cover of invasive plant
species (see list of invasive species on p. 74).
- At least % of the landward edge of the wetland has a 100 ft buffer of
shrub, forest, or un-grazed or un-mowed grassland.
- The wetland is larger than 1/10 acre (4350 square feet) ,
YES = Category I NO = Category II
Wetland Rating Form - westemWashington
20
August 2004
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Is the wetland west of the 1889 line (also called the Western Boundary of Upland
Ownership or WBUO)?
YES - go to SC 6.1 NO ../ not an interdunal wetland for rating
lfyou answer yes you will still need to rate the wetland based on its
functions.
In practical terms that means the following geographic areas:
· Long Beach Peninsula- lands west of SR 103
· Grayland- Westport- lands west of SR 105
· Ocean Shores-Copalis- lands west of SR 115 and SR 109
SC 6.1 Is the wetland one acre or larger, or is it in a mosaic of wetlands that is
once acre or larger?
YES = Category II NO - go to SC 6.2
SC 6.2 Is the wetland between 0.1 and I acre, or is it in a mosaic of wetlands that
is between 0.1 and I acre?
YES = Category III
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Wetland Rating Form - western Washington
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August 2004
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LISA PALAZZI
203 FOURTH AVENUE EAsT, SUITE 521
OLYMPIA, W^SHINGTO~ ?8501
VOICE: (360) 534.-0346
FAX: (360) 534-9027
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Judy Skeen
Port of Port Townsend
P.O. Box 1180
Port Townsend, W A 98368
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December 30, 1998
Report File Number:
Report Subject:
Location:
M98-0050 (reference previous report M96-0150)
Final Jefferson County Airp~Wetland delineation report.
The study site includes all the, arcels owned by the Port of Port
Townsend in association with/he Jefferson County Airport
property, lying mostly between SR20 and SR19 (but including
some areas west of SR20 and east of SR19); within the N ~ of
Section 33, Township 30N, Range 1W, W.M.
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BACKGROUND
For your information, we will provide an overview of the project to date. Previous to this current
comprehensive Jefferson County Airport (JCAP) wetlands delineation and identification report,
some limited wetland reconnaissance, delineation and field verification was carried out with Paul
Hamidi (Army Corps of Engineers [COE]) and Lisa Palazzi, (ARCPACS certified soils scientist
and SWS certified wetlands scientist) on August 22, 1996 in an area at the west end of the airport
where a 2.08 acre wetland was affected by a hangar construction project. Delineation for that
area was completed on August 27, 1996. The result of those activities was a 0.99 acre discharge
fill under a Nationwide 26 permit.
In addition, we monitored the hydrology in that wetland area throughout the 1996-97 winter to
verifY that the water table persisted at the requisite depth (less than 12 inches) for the requisite
time period (a minimum of2 weeks at a time) during the appropriate time of the year (during the ,.', \ _ ,-'.,
growing season) -- which it did. A new JARP A application will be submitted subsequent to COE fN'
approval of a separate wetland report (Report file number M980050.wll, dated December 30,
1998) in order to complete the hangar project, which will require a total of 1.3 5 acres of fill
(including the 0.99 acres already filled).
As a result of that work, it was determined that the airport needed to delineate all airport wetlands
(the subject of this report), and then formally submit the wetland delineation report with the long-
term JCAP Master Plan to the COE for permitting purposes. At this point in time, all wetlands in
the airport have been delineated and verified by COE personnel. In addition, hydrology was
monitored extensively in several areas -- some areas along known wetland botn1daries and', some'
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areas that were considered to be marginal, but possible wetlands.
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We (Lisa Palazzi, Pacific Rim Soil & Water, Inc. and Pesha Klein, Klein & Associates) met with
representatives from the COE during the fall of 1997 (Jack Gossett and T.J. Stetz) and again in
the spring of 1998 (Gossett, Stetz and Hamidi) to review the airport wetland delineations. As a
result of that work, we were asked to update the draft wetlands report and maps with slightly
revised wetland boundaries. The purpose of this final, revised wetlands report is to provide
enough information to complete requirements for the earlier JARPA application -- which was for
wetland delineation verification only. Once this report is accepted, we will review the JCAP
Master Plan proposals with the Port and their consultants, determine what wetland impacts can be
avoided, prepare a preliminary mitigation plan for those areas where wetland impacts are
unavoidable, and submit a new JARP A for permitting the long range Master Plan.
Please note that as described above, once the hangar project at Wetland L is complete, a total of
1.35 acres of wetlands will have been filled. Undercurrent Nationwide Permit rules in this region,
in general, impacts over 2 acres will require an individual permit, inclusive of the area already
:filled. Therefore, as we have only 0.65 acres offill remaining under the Nationwide Permit, it is
considered highly likely that any future activities that impact wetlands under the JCAP Master
Plan JARP A will require an individual permit rather than a Nationwide Permit. It is important to
note that any JARP A is only good for a limited time period. The JCAP Master Plan JARP A will
be approved in relation to general concepts presented for future development. Once the actual
proposed projects are initiated, new JARP As must be submitted with detailed information on the
exact location and areas of impacted wetlands provided, as well as detailed mitigation plans for
those impacts. The purpose of this initial JARPA is to ensure that we have addressed up front
requirements of avoidance and consideration of impact alternatives.
WETLAND REGULATIONS
An overview of regulations affecting impacts to wetlands are provided below for your
information.
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Local Regulations: Jefferson County
To qualify as a regulated wetland in Jefferson County (as per the recently enacted Washington
State Wetlands Delineation Manual, adopted March 1997), an area must meet criteria defined in
the 1987 Army Corps of Engineers Manual (Corps of Engineers Wetlands Delineation Manual,
Technical Report Y-87-1) with all recent regulatory amendments and clarifications. Those criteria
require that an area must predominantly support wetland vegetation, must have hydric soils, and
must have wetland hydrology characteristics defined for the on site soil type -- in this case,
evidence or observation ofa long-duration water table at 12 inches or less depth during the
growing season.
The minimum regulatory wetland size in Jefferson County is as follows:
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· 2500 square feet (50'x50') for Category II (high quality) wetlands
· 10,000 square feet (100'xlOO') for Category III and IV (moderate quality, or small, low
quality) wetlands.
That means that an area that meets the three-parameter criteria listed above must also be larger
than the minimum size to be regulated as, a wetland by the County. The wetland edge is located
by evaluating the presence or absence of the three parameters, then flagged in the field for a
subsequent survey.
Once identified as jurisdictional wetland, the wetland is "rat~d" using the 1991 edition of the
Western W ashington Wetlands Rating System. The rating system combines a series of questions
and a point system to determine the specific value of the individual wetland. Depending on site
specific, pre-development wetland vegetation, soils, hydrology and buffer characteristics, the
wetland has greater or lesser value and so is afforded varying levels of protection in the form of
wetland butTers. The higher the rating and the higher the intensity of development, the greater
the buffer, ranging from a minimum of25 feet for low quality, small wetlands ~djacent to low
.intensity development areas up to a maximum of 150 feet for the highest quality, or rare wetlands
adjacent to high intensity development areas. The area within the wetland and buffers is generally
considered unavailable for development, unless there is no reasonable alternative to the proposed
activity.
Federal Regulations: Army Corps of Engineers
Any direct impacts to the wetland are regulated by the Army Corps of Engineers (COE). The
COE regulates wetlands of any size, i.e., there is no minimum size for a federal jurisdictional
wetland. Furthermore, the COE must be notified of impacts to wetlands, even if the impacts are
less than an acre in size. The COE sometimes chooses not to regulate impacts ofless than 1/3
acre, but prefer to make that decision themselves (i.e., if they are not notified, they may choose to
check the project for potential violations once construction starts). If they do regulate impacts of
less than 1/3 acre, it is usually under one of the many Nationwide Permits -- pre-defined permits
that describe certain allowed actions and their related mitigations.
Impacts of 1/3 to 2 acres must be reviewed by the COE and are typically regulated under one of
the Nationwide Permits. Impacts greater than 2 acres require an individual permit, that is, there is
no pre-defined allowed impact. Under an individual permit, a detailed assessment of the project is
required, including but not limited to an alternatives analysis and detailed justification of the
proposed impacts.
Timing on the various levels of notification and permitting described above is varied. But as a
general rule, Nationwide Permits can take from one to several months; individual permits can
take from one to several years.
Other Regulatory Agencies
Other potentially involved agencies include the Washington State Department ofFish and Wildlife
(WDFW), the Washington State Department of Ecology (for 401 permitting issuesh,awi<t~ 'i
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Washington State Department of Natural Resources (DNR) Natural Heritage Program.
METHODS & MATERIALS
Evaluation of Field Conditions
As described above, the wetland was delineated using methods described in the 1987 Army Corps
of Engineers Manual (Corps of Engineers Wetlands Delineation Manual, Technical Report Y-87-
1). The entire project site was traversed to determine whether normal environmental conditions
exist and to identifY plant community types including wetland habitat types. The routine
determination method was used because the wetland areas are relatively homogeneous in regards
to vegetation, soils, and the hydrology regime.
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In each area that appeared to have wetland characteristics, a representative observation point for
each community was selected and data on vegetation, soils, and hydrology were collected. At
each location, a wetland/nonwetland determination was made. If an area was determined to be
wetland, the boundary was flagged with a pink flag, assigned a letter, then numbered sequentially.
~Those points were surveyed and are provided on the attached map (Appendix III).
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Wetland Delineation and Classification
The 1987 manual requires examination of characteristics and indicators ofhydrophytic vegetation,
hydric soils, and wetland hydrology. Positive wetland indicators of all three characteristics must
be normally present to make a positive wetland determination. Each characteristic is summarized
in the sections below. Data were recorded on the Routine Wetland Determination Data Form 1,
which are presented in Appendix IV. The plot ill number for each data point taken appears in the
upper right comer of the data sheet. This plot number corresponds to the plot shown on the
surveyed wetlands map as the area where the data was collected.
....
Vegetation
Hydrophytic vegetation is defined as "the sum total of macrophytic plant life growing in water
or on a substrate that is at least periodically deficient in oxygen as a result of excessive water
content" (Washington DepartmenfofEcology 1997). Several indicators maybe used to
determine whether hydrophytic vegetation is present on a site. The most reliable indicator is
when more than 50% of the dominant plant species are classified as wetland plants on a
certain list of species that occur in wetlands; the list is maintained by the U.S. Fish & Wildlife
Service (Reed 1988, with a 1993 update provided for the northwest United States).
The species list separates vascular plant species into five basic groups based on their wetland
indicator status -- Obligate (OBL), Facultative Wetland (FACW), Facultative (PAC),
Facultative Upland (F ACU), and Upland (UPL). The plant species indicator status is based
on an assessment of the individual species' frequency of occurrence in a wetland. The three
wetter facultative (OBL, FACW, and"FAC) categories are ,further subdivided by "+" and "-"
(i.e., FAC+, FAC and FAC-) modifiers with the "+" modifier.q.f1~Fating that a species is
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tolerant of wetter conditions within that group, and the "-" modifier indicating that a'species is
less tolerant of wet conditions within that group (Reed 1988 and 1993). Table XX below
summarizes the indicator status ratings.
Other indicators of hydrophytic vegetation include visual observation of plant species growing
in areas of prolonged inundation and/or soil saturation, morphological adaptations, technical
literature, botanical journals, technical reports, wetland plant database, physiological
adaptations, and reproductive adaptations. Plant species are identified using Flora of the
Pacific Northwest (Hitchcock and Cronquist 1973). Plant communities were classified using a
system developed by the United States Fish and Wildlife Service (Cowardin et al. 1979). This
system is hierarchical and structured around biological, hydrological, and substrate
characteristics.
Tabl XX PI t Ind' t St t C t
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Indicator Category/Indicator Definition
Symbol
Obligate Wetland Plants (OBL) Plants that occur almost always in wetlands:
estimated probability in wetlands greater than 99%
under natural conditions.
Facultative Wetland Plants Plants that have an estimated probability of 67% -
(F ACW) 99% to be found in wetlands.
Facultative Plants (F AC) Plants that are equally likely to occur in wetlands
or nonwetlands: estimated probability of 34% -
66% to be found in wetlands.
Facultative Upland Plants (F ACU) Plants that usually occur in nonwetlands,
estimated probability of 1% - 33% to be found in
wetlands.
Obligate Upland Plants (UPL) Plants that occur almost always in nonwetlands
under natural conditions, estimated probability,
,greater that 99%.
Soils
A soil profile was examined at each plot using a tile spade. Soils were sampled to a depth of
24 inches where possible. When using the 1987 methodology, the soil was observed for
hydric soil indicators immediately below the A-horizon or 10 inches which ever was
shallower. Hydric indicators for nonsandy soils include at a minimum, one or more of the
following, generally within 12 inches ofthe soil surface:
· organic soils (Histosols),
· histic epipedons,
· sulfidic material, {
· aquic or peraquic moisture regimes (i.e. two weeks of continuous inundation or
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saturation),
reducing soil conditions, and
soil colors; gleyed soils or nongleyed soils with a matrix chroma of 2 or less in mottled
soils or a matrix chroma of I or less in unmottled soils.l. Soil chroma, or color, was
determined using a Munsell color chart (Kollmorgen Corporation 1975).
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Soil characteristics were compared to Natural Resource Conservation Service (NRCS)
descriptions of mapped soils to either confirm the mapping or determine if an inclusion of
another soil type is present. When using the 1987 Routine Methodology, hydric soils are
assumed to be present in any plant community in which all dominant species have an indicator
status ofOBL'or, all dominant species have an indicator status ofOBL or FACW, and
wetland hydrology is present.
Hydrology
Wetland hydrology is defined as areas that are periodically inundated or have soils that are
saturated to the surface for a sufficient duration during the growing season. Indicators of
wetland hydrology are difficult to interpret in the field during the dry season or the rainy
, winter season as a water table may be non-existent during the dry season, or higher than
average for some periods during the rainy season. The 1987 manual lists field indica,tors of
wetland hydrology that may provide evidence of recent and/or long-term hydrology events.
The indicators are listed in order of decreasing reliability. They include recorded data and
field data, such as visual observation of inundation or saturation, watermarks, drift lines,
sediment deposits, and drainage patterns.
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Duration of inundation and/or soil saturation for the 1987 method is based on the number of
days at 32 degrees Fahrenheit or above during the growing season. For the Pacific
Northwest, inundation or saturation to the surface for at least 12.5% or greater of the
growing season in most years is required. The Seattle District of the Army Corps of
Engineers requires two weeks of continuous soil inundation or saturation within the growing
season to satisfy wetland hydrology. The latter criterion was used for this determination.
-,
For this project, we monitored hydrology at several locations across the airport during spring
of 1997 using shallow groundwater monitoring wells in most locations, and dataloggers in one
wetland (Wetland L). Those wells were installed in areas where hydrology had been altered
by draining over time. Some were purposely installed in areas we thought were no longer
wetland, but needed to verify.
Atthe request of the COE, we also monitored hydrology intensively along the southern
boundary of Wetland A during the spring of 1998 in an effort to locate the wetland boundary
,more precisely. The hydrology in that wetland was particularly flashy, rising and falling a foot
or more over a period of just a day or two between storms. As a result, the short-term
Mottles or redoximorphic features are spots or blotcl1es of~J;ltrasting oolor<JF~g within the soil matrix.
Gleyed soils are predominantly neutral gray in color. . /f It}
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hydrology boundary would fluctuate as much as 100 feet laterally. Our monitoring was
necessary to determine where the water table persisted at the required depth --within 12
inches -- for the required duration -- at least 2 weeks.
DISCUSSION
Site llescription
The study site includes all properties in the Jefferson County International Airport complex
(owned by the Port of Port Townsend), located about 3.5 miles south of Port Townsend with the
majority of the intensively managed airport property lying between Highway 20 and Highway 19.
Please refer to the attached maps for details on site boundaries (Appendix III). The site has been
managed as an airport since the early 1900s. It was property of the Army during World War II,
but reverted back to local ownership after the war.
The airport site lies in a broad west-to-east oriented swale that straddles a divide between two
drainage basins with approximately the westernthird'ofthe swale historically draining west and
the eastern two-thirds draining east. Ditching and draining in the swalebase associated with
construction and maintenance' of the airport runways over the years may have caused some of the
water that historically drained west to now drain east. The eastern drainage forms the headw~ters
to Chimacum Creek. The western drainage runs to Discovery Bay via a series of offsite wetlands
and drainages. The site receives seasonal stormwater drainage and some year-round subsurface
seeping from slopes to the north and, much less so, from slopes to the south. The current paved
airport runway (completed in about 1990-91) runs more or less east-west along the base.ofthe
swale. There is an old abandoned grass runway located about 200-350 feet upslope from the
currently used paved runway.
The areas adjacent to the paved runway are extensively ditched, including a central ditch, a
southern ditch and a northern ditch running the entire length of the runway and draining to a large
detention pond at the east end of the runway. That pond drains east under Highway 19 to a
second large detention pond which in turns drains east-southeast to Chimacum Creek (the
detention pond and all drainages to the east are regulated by the COE as they were excavated in
areas that were once wetland).
The entire northern side slope adjacent to the runway, where the current airport facilities are
located, has an extensive, old tile drain system in addition to several surface drains. Please refer
to the attached drainage facilities diagram for details (Appendix III). It should be noted that this
drawing is not intended to be comprehensive. There may be other surface and subsurface
drainage structures that are not shown. The purpose of this diagram is to show the major
drainage features across the airport with special emphasis on those that might affect drainage in
proposed construction areas.
It should be noted that the COE will regulate drains that were installed in areas that were once
wetlands or that are currently surrounded by wetlands (as described for the eastern detention
pond above). As a result of that rule, some ofthe drainage features detailed in the attached map
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are under COE jurisdiction, and are marked as such. However, those in areas that do not appear
to have been wetland prior to drain installation will not be regulated by the COE. For clarification
on which areas- within the airport properties -- drains and wetlands -- will be regulated by the
COE, please refer to the attached wetland survey maps.
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Vegetation
Vegetation across the majority of the airport property is a seeded grass mix. and is maintained by
mowing. The airport area was reseeded in a standard grass mix in 1990-1991. Today, the
dominant grasses are fescues, poas, and bentgrass. Soft rush (Juncus effusus), and buttercup
(Ranunculus repens) are also present within the maintained portions of the site, where there is
long-term soil saturation. The northern sloped area is not maintained and is vegetated by upland
forest dominated by Douglas fir (pseudotsuga menziesii) or nootka rose (Rosa nutkana).
Several areas across the property contain old fill' and are vegetated mostly by reed canarygrass
(Phalaris arundinacea) and Scotch broom (Cytisus scoparius) species indicative of past
disturbances. These disturbed areas are located just east and west of Highway 20, and to a lesser
degree, just east of the main airport facilities along the northeastern toeslope. Properties located
west of Highway 20 and east of Highway 19 are primarily vegetated by a mix of seeded grasses
and native vegetation. Because these areas are located within the flight line of the runway, woody
vegetation is cut to the ground periodically. West of Highway 20, most of that area has saturated
or inundated soils and are vegetated by plants that are tolerant of soils deficient in oxygen. East
of Highway 19, wet areas are found in the southern portions along a stormwater facilitythat was
built in the headwaters of Chimacum Creek.
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Plants that dominate the wet areas include willow (SaUx sp.), red alder (Alnus rubra), quaking
aspen (Populus tremuloides), nootka rose, Douglas spirea (Spiraea douglasii), and soft rush.
Wetland areas located within the maintained grass portions of the site between the two highways
were very difficult to delineate because vegetation indicators were very limited. Because the site
was seeded, we did not depend strongly on vegetation composition to make the wetland
determination. Much of the vegetation on the site could have qualified for hydrophytic vegetation
thereby meeting the criteria for wetland vegetation. This resulted in interpreting whether the
areas also met the hydric soils and wetland hydrology criteria -- very important in making a
correct wetland determination.
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Soils that were saturated for a long periods of time and had higher organic matter content often
also contained soft rush and buttercup (hydrophytic vegetation) in addition to the seeded grasses.
There were however, large areas that did not have these additional hydrophytic species growing in
soils with high organic matter and long-term saturation. In those areas, we monitored hydrology
very closely to determine whether the wetland hydrology criteria was met. Refer to Appendix II
for the plant species list for the site.
5mb
According to the Jefferson County soil survey, th~follo}Ving l:l<?iL~e~~ ~;mapped on or near the
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site: the Agnew silt loam, 0-8% slopes (classified as a fine-silty, mixed, mesic Typic Ochraqualf);
the Hoypus gravelly loamy sand, 0-15% slopes (classified as a sandy-skeletal, mixed, mesic Typic
Xerorthene); the San Juan gravelly sandy loam, 0-8% slopes (classified as coarse-loamy over
sandy or sandy skeletal, mixed, mesic Pachic Xerumbrept4); and the SWantown gravelly sandy
loam and gravelly loam, 0-8% slopes (classified as a loamy-skeletal, mixed, mesic Dystric Entic .
DurochreptS)
The Hoypus gravelly loamy sand is mapped in the steeper uplands north of the airport. The
Swantown gravelly loam is mapped along the Hoypus toeslope in the north-central parts of the
project area. The Swantown gravelly sandy loam is mapped across the swale base in the western
majority of the airport and in western portions of the project area. The San Juan gravelly sandy
loam is mapped in the southeastern portions of the project area. The Agnew is mapped east of
the project area, along the toeslope adjacent to the Swantown gravelly loam. Please refer to the
attached soil map in Appendix III for more details.
For your information, standard characteristics of the mapped soil series are described in Appendix
I. Please note that the SCS soil series maps and descriptions characterize expected characteristics
jn only the top 60-100 inches of soil. Furthermore, the map units can have extensive inclusions of
other soil types, and in some rare cases, can be entirely in error. This particular Soil Survey is a
lower level $urvey, so should always be verified with field work.
Soils in the wetland areas fell within two general categories: 1) loamy sand soils with high organic
content in the top:tlO inches and dark colors to greater than 24 inches depth; 2) sandy loam and
silt loam soils with a dark-colored, high organic content cap, and gleyed and mottled subsoils.
The loamy sand soils were found in Wetlands A, F, J, and K, , and were the most difficult to
interpret as they were very similar to soils outside the wetland boundary with the primary
difference being percent organic matter in the top 6-12 inches. The rest oft.he wetlands had more
, typical, sandy loam and silt loam soil textures, so were easier to interpret. Problems in those areas
2 Fine-silty, mixed, mesic Typic Odlraqua]f; gwerally meaning the soil has an argillic (clay) horizon and greater than 35% base saturation (alt), is
expe<1edto have a seasonal high water table within 18 inches of the soil swface (aqu), has a pale-co]ored, low base saturation (]ess than 50%) sutface
horizon (odJr), is otherwise typical (typic), has a mesic temperature regime (mean annual temperature ranges from go to 150 C (47" - 590 F), no
specific mineralogic source (mixed), and is greaterthan 18% clay and less than 15% sand (or coarser) by weight (fine-silty).
3 Sandy-skeletal, mixed, mesic Typic Xerorthwt, generally meaning the soil has minimal horizon development (mt), has no distinguishing
charaderistia; at the Great Group ]evel (orth=standard), has developed WIder climatic conditions of wet winters and dry summers (xer), has a mesic
temperature regime (mean annual temperature ranges from go to ] 50 C (47" . 59' F), has no specific mineralogic source (mixed), texture of the fme
fradion is sand or loamy sand and coarse fragment content is greaterthan 35% (sandy-skeletal).
4
Coanle-]oamy over sandy or sandy ske]etal, mixed, mesic Pachic Xerumbrqn, gwerally meaning the soil has limited horizon developmwt
(ept), has a dark colored surface horizon with a low base saturation (umbr), has developed WIder climate conditions of wet winters and droughty
summers (xer), and has a deep (greater than 50 an), dark-colored, surface horizon (pachic), has a mesic temperature regime (mean annual temperature
ranges from go to ]50 C (470 _ 590 F), no specificminera]ogic source (mixed), has 15-50% sand, less than Ig% clay, and possibly greater than 35%
coarse fragments (coarse-loamy over sandy or sandy ske]etal).
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Loamy-skeletal, mixed, mesic Entic Durochrqn, gwerally meaning the soil has minimal horizon developmwt (ept and entic), has a pale-
colored, low base saturation sutface horizon (ochr), has an silicate-cemwted subsutface layer (dur), has a mesic temperature regime (mean annual
temp~re ranges from g' to 150 C (47" . 59' F), has no specific mineraIJ'~O~(~, . ,~~, ~ ~dion is loam and coarse fragment
content IS greaterthan 35% (Ioamy-ske]etal). t..~ !f-( ".~, ,! ,/ i!.j" i' ~
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were predominantly the result of past soil disturbance of some sort.
In Wetland A (the largest concentration of the loamy sand soils), we took soil samples of the
surface 12 inches in several areas within the proposed wetland boundary and sent them to a lab
for analysis of Total Organic Carbon (TOC) content. Certain TOC levels are required in order to
classify the surface as a histic epipedon (in the top 8 inches of soil) or to meet requirements of the
most c,!!rrent Key To Field Indicators of Hydric Soils (in a layer at least 2 inches thick that starts
within 6 inches of the surface). The required TOC levels vary dependent on clay content. In
order to meet requirements for classification as a hystic epipedon in areas that have been plowed
(which was the case in Wetland A), soils with no clay content must have at least 8%TOC; and for
soils with less than 60% clay, the required TOC is calculated as follows: 8+(clay%/7.5), e.g., with
20% clay content, the soil must have 8+(20/7.5) or 10.7%TOC. Because the organic content was
greatest near the soil surface, only one of the 5 soil samples taken met the histicepipedonTOC
requirements (i.e., the 12-inch thick mixed sample included sands from lower in the soil profile).
The organic layer was generally confined to the top j:6 inches. But these soils were considered to
meet the requirements of the Sandy Mucky Mineral Indicator (Indicator S 1-- a mucky modified
mineral layer ~2" thick starting within 6" of the soil surface, TOC 5-14%, dependent on clay
pontent), so were classified as hydric.
Soils in the other areas had more typical characteristics -- usually a dark-colored surface about 4-
6 inches thick overlying severely gleyed and mottled subsoils. These soils typically met the Redox
Dark Surface Indicator (Indicator F6).
Hydrology
As described above, because both the soils and vegetation in the airport area have been
manipulated to varying degrees in the past, current hydrology was very important to making the
final wetland boundary determination in several areas -- particularly in Wetland A, which has
developed as a result of toes lope seeps draining out across a broad side slope. In several ofthese
areas, the wetland was restricted to the upper slopes; groundwater draining laterally dropped
deeper in the sandy soils as it moved downslope. That made the wetland boundary quite diffuse
and difficult to define precisely.
Hydrology sources include: precipitation, seasonal stormwater accumulation, and related toeslope
seeps and springs. 'Results of hydrology monitoring showed that the water table -- particularly in
the sandy soil areas -- was very sensitive to changes in precipitation. In Wetland A, we observed
groundwater fluctuations of two feet during periods of extended rainfall followed by several days
of sunny weather. In one area along the southern boundary of Wetland A, surface water
(reflecting high groundwater levels) fluctuated almost 100 feetlaterally over a period of two days.
We monitored those fluctuations over several months in order to define the area where the
groundwater persisted within 12 inches ofthe surface for at least two consecutive weeks. It is
important to note that the water surface does fluctuate significantly during storms, so areas well
outside the wetland boundary could flood during w-et periods.
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Wetland Descriptions
General Information
A total of 13 new wetland areas were identified and delineated on the airport properties. They are
identified as areas A through M on the attached survey map. The data forms for each of the
wetlands (with the exception of Wetland M, more on this below) can be found in Appendix IV.
We provide a brief description of each system below to accompany the data forms.
Wetland A
This 11 acre wetland is located across a broad side slope at the northeast end of the airport. Its
lower side slope areas form a large Palustrine Emergent (pEM) wetland, dominated by grasses
and Juncus effusus. However, along the upper slope, just below the northeast access road, it is a
complex PSS and Palustrine Forested (PFO) system with a wide variety of species, including
western redcedar, red alder, various willow species, salmonberry, etcetera. The upland edges are
dominated by grasses on the lower slope areas (where the water seeps deeper in the soil), Scot's
broom in higher elevation areas previously cleared to the east, and Douglas-fir in the far northeast
corner.
:The source of hydrology is toeslope seepage of storm water runoff that collects across the broad
side slopes to the north. The majority of the wetland groundwater water seeps into the deeper
sandy soils lower on the slope, but some runs to the southeast to eventually drain directly into the
large drainage pond (Wetland M) located at the east'end of the runway.
The soils are mapped as San Juan gravelly sandy loam -- a dark-colored, deep, well-drained sandy
soil. The observed wetland soils are quite sandy, but also have a very shallow water table and
surface soils with high organic matter content. The lower slope soils (outside the wetland) are not
hydric, having very dark color (characteristic of the San Juan series), but too low organic matter
content to meet criteria for classification as a hydric soil.
Wetland B
This wetland has 9.4 acres onsite, but extends offsite to the west and north. Its entire acreage is
unknown. The wetland is located west of Highway 20 at the far west end of the airport
properties. It is a large Palustrine Emergent (PEM) wetland with scattered communities of
Palustrine Scrub-Shrub (PSS) (<30%) and some small open water pockets (POW), The wetland
winds through and around a mosaic of upland islands with much of the topographical variety a
result of old grading and filling. The PSS areas are dominated by Spirea douglasii (hardhack) and
Rosa nutkana (Nutka rose). There are also several clumps of Populus tremuloides (quaking
aspen) and Alnus rubra (red alder) in the central portions of the wetland. The drier PEM areas
are dominated by grasses, the wetter areas by Juncus effusus (soft rush) and occasional areas of
Carex obnupta (slough sedge). The upland islands are dominated by grasses and Scot's broom.
The source of hydrology is stormwater runoff that collects across the broad valley bottom, some
of which flows in through a culvert from east of Highway 20. This system drains northwest to
offsite wetlands, and eventually to Discovery Bay.
The soils are mapped as Swantown gravelly sandy loam, which in general is what we observe,
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although with much higher water tables than is typical oftheSwantown series, which is not a
hydric soil.
Wetland C
This -6 acre wetland is located east of Highway 20 at the west end of the airport runway. Similar
to Wetland B, it also is a large PEM wetland with scattered communities ofPSS (<30%) and
some small open water pockets. There is a ditch running up the middle from the end of the
runway that may drain both to the west and to the east. The predominant western drainage
crosses Highway 20 via a culvert near the northwest entrance to drain to Wetland B, so is
associated hydrologically with Wetland B. The PSS areas are dominated by Spirea douglasii
(hardhack), willows and black cottonwood saplings. The PEM areas are dominated by grasses,
Juncus effusus (soft rush) and Carex obnupta (slough sedge). The upland edges are dominated by
grasses and Scot's broom.
The source of hydrology is a series of ditches along the runway that collect seasonal drainage as
well as seasonal seeps from the northern side slopes. As in Wetland B, the soils are mapped as
Swan town gravelly sandy loam, which in general is what we observe, although with higher water
~ables than is typical of the Swantown series.
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Wetland D
This 0.18 acre wetland is located near the southeast comer of the airport properties that lie
between the two highways. It may receive drainage from a recently clearcut upslope area, and/or
may receive runoff from old road surfaces to the west. It is a disturbed area that doesn't directly
meet soils criteria, but supports a healthy obligate and F ACW wetland plant community, including
Typha latifolia (cattails), Carex obnupta, and Spirea douglasii. The upland edges are dominated by
grasses. There is an extensive area to the west that has surface hydrology for extended periods,
but is not considered wetland by the COE due it being as result of rutting, artificially created
surface compaction from heavy equipment traffic through this area (possibly during logging
activities) .
The source of hydrology is stormwater runoff that collects from upslope to the south and west.
Surface overflow may collect in Wetland E. The soils are mapped as San Juan gravelly sandy
loam, but more resemble the Swantown series with a shallow water table.
Wetland E
This 0.08 acre isolated wetland is located just west of the Airport Cutoff Road, just northeast of
Wetland D. It appears to be an old compacted road surface where traffic rutted down to the
underlying glacial till. It has stabilized and developed into a small PEM dominated by Juncus
effusus and Carex obnupta with occasional shrubby species. The adjacent uplands are dominated
by grasses and Scot's broom. This area is regulated, despite the compaction issue, as it appears
to have been wetland prior to the traffic impact.
The source of hydrology is stormwater runoff fi:pm the adjacent road surface and possibly some
collection of stormwater runoff from the side 'slopes to the south. There does not appear to be '
any surface drainage out of this system. .
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The soils are mapped as. San Juan gravelly sandy loam, but more resemble a poorly drained
version of the Swantown soils.
Wetland F
This 0.14 acre wetland is located in the far southeast corner of the airport, east of Highway 19. It
appears to be a remnant of wetlands that were probably more extensive in this area before the
large drainage facility (Wetland M) about 50-100 feet to the north was installed. It is a PEM/PSS
system dominated by Juncus effusus and Spirea douglasii. The surrounding uplands and buffers
are dominated by grasses and Scot's broom.
The Source of hydrology is stormwater runoff that collects from the adjacent road surface. The
system appears to periodically surface flow into the drainage facility that subsequently drains to
Chimacum Creek. '
The soils are mapped as San Juan gravelly sandy loam, which in general is observed although with
higher water tables than is typical of the San Juan series.
. VI etland G
This 0.02 acre isolated wetland is located east of Highway 19, northeast of Wetland F in area that
receives drainage from the adjacent road surface. The surrounding area looks as if it was oIlce
wetter, but has been drained to some degree. It is not clear whether the surrounding area was wet
enough historically to be classified as wetland. This small wetland has developed in a low-lying
area that collects road runoff. Vegetation is limited, although the surrounding upland area
supports a nice young stand of quaking aspen.
The source of hydrology is road runoff There is no apparent surface outlet. The soils are
mapped as San Juan gravelly sandy loam, which they resemble, but with a shallow water table.
Wetland H
This 0.14 acre isolated wetland is located south ofthe runway in the southwest portions of the
airport property in a small natural drainage swale. The wetland is a PEM system with just a few
black cottonwood seedlings. It is very linear, and seeps back into the ground before it gets all the
way downslope. The wetland vegetation is dominated by Juncuseffusus; the upland with grasses.
The source of hydrology is stormwater runoff that colle€ts on the shallow Clallam soils to the
south, draining laterally toward the valley bottom. There is no surface overflow, but groundwater
will eventually seep downslope and be collected in the drain systems along the runway.
The soils are mapped as Swantown gravelly sandy loam or Clallam. Both of those soils have a
cemented substrate, which we observed in the general area. But in the wetland swale area, the
long duration water table is much higher than is typical of either the Clallam or Swantown series.
Wetland I
This 0.5 acre wetland is almost attached to Wetland C, being located just north of it and across a
road in a toeslope area that appears to have been disturbed during construction of a power line
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easement. It is a small PEW PSS system with the PEM areas located upslope and the PSS
downslope and in the adjacent forest in the northwest comer of the wetland. There is a large fill
area directly adjacent to the northeast, but it does not appear to have reduced the wetland area.
The PSS areas are dominated by Spirea douglasii; the PEM areas by Juncus effusus and Carex
species. The upland edges are dominated by grasses and Scot's broom in cleared areas. and
Douglas-fir in the forested areas upslope.
The source of hydrology is toeslope collection of stormwater runoff. When enough water
collects, drainage overflows across the road to the south and into Wetland C.
The soils are mapped as Swantown gravelly sandy lo~, which in general is observed, although
With higher water tables than is typical of the Swantown series.
Wetland J
This 0.53 acre wetland is located at the toeslope across the north central part of the airport
properties. It is a small PEW PSS system associated with an old drain that runs drains west
along the toeslope to divert some of the toeslope seep to the west rather than downslope toward
lhe hangars and other airport buildings. The PEM areas are grassed; the PSS areas are dominated
by Spirea douglasii, willows and hawthorne. The uplands to the south are grassed; the uplands to
the north are forested. It should be noted that there is a second smaller drain downslope that is
regulated by the COE as it appears to have been installed in an area that was wetland prior to
development.
The source of hydrology is toeslope collection of stormwater runoff that collects across the broad
side slopes above. The drainage ditch, which extends beyond the end of the wetland several
hundred feet eventually drains to Wetland C.
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The soils are mapped as Swantown gravelly loam. We do observe a shallow soil in this area, but
the sand content is higher, appearing to be in transition to the sandier San Juan soils mapped
farther east, but with a higher water table than is typical of either series.
Wetland K
This 0.27 acre isolated wetland is located in the upper central northern side slope of the airport,
directly north of the Spruce Goose Restaurant. It is an isolated pocket of side slope seep entirely
surrounded by dirt roads and parking area. Vegetation is grassy, but includes many obligate
sedges and rushes with a few small red alder saplings at the upslope edge.
The source of hydrology is side slope seep and some road runoff There is no apparent surface
outlet, although water drains down the slope and causes the soils to saturate in the dirt parking
area and roads for about 10-15 feet around the southern edge.
The soils are mapped as San Juan gravelly sandy loam, which they resemble, but with a shallow
water table and much higher organic matter content.
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Wetland L
This 1.09 acre wetland was 2.08 acres prior to a permitted 0.99 acres fill that occurred in 1997.
It is located directly east of Wetland Cin an area surrounded by roads, airplane hangars and
drainage ditches. Vegetation is grassy, but includes many obligate sedges and rushes. It should be
noted that the drainage ditch facility directly to the south is included in COEjurisdiction and will
be regulated as wetland as it was installed in an area that was wetland prior to development.
The source of hydrology is groundwater seeps as well as ditches that were constructed to capture
upslope runoff Groundwater is captured in several drains around the perimeter. Some drains to
the east, toward the Chimacum Creek area, and some to the west toward Wetland C.
The soils are mapped as Swantown series, but more resemble the San Juan gravelly sandy loam,
but with a shallow water table and much higher organic matter content.
Wetland M
This wetland is actually a developed drainage facility that captures water from the ditches along
the new runway as well as incidental flow from Wetland A. It is regulated by the COE because it
~ppears to have been built in an area that was wetland prior to development. Water draining .
through Wetland M forms the head waters of Chimacum Creek.
This wetland was delineated simply by following the predominant surface water elevation along
the steep side slopes since both soils and vegetation are too disturbed from construction and
maintenance to evaluate properly.
Wetland Rating and Functional Assessment
For this report, we are not providing any wetland rating or functional assessment information,
however the rating and functional assessment provides vital management information that will be
needed during future site planning and mitigation. Functional assessment should be carried out
near the time of proposed impact, as wetlands are not static systems and can change over time.
Wetland rating is not provided since it is not a required element ofa COE wetland report; the
COE does not regulate wetland buffers. At the time of any future wetland impact associated with
the long-term airport master plan, this data must be collected.
In general, these systems will rate at least as Category III wetlands (50 foot buffer setback), and
some will rate as Category II wetlands (100 foot buffer setback). None will meet requirements
for rating as Category lor Category IV.
Summary
A total of 13 wetlands were identified and delineated. They ranged in size from as small as 0.02
acres up to 11 acres. Most were palustrine emergent systems, dominated by seeded grassland
vegetation community. But, some had extensive scrub-shrub areas and one wetland had a small
forested component.
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Wetland hydrology is controlled by combined impacts of seasonal precipitation and stormwater
runoff on groundwater elevation. Groundwater outside of wetland areas has been observed to
fluctuate one to three feet near the soil surface over short periods of time. The area was defined
as having wetland hydrology where ground water was observed to persist within a foot of the soil
surface over at least a two week period during the growing season.
Soils in the eastern majority of wetland and upland areas was very dark in color typical of prairie
soils where high grass root turnover results in dark surface soil colors. In areas with dark soil
surfaces, soils were determined to be hydric when they met requirements for the Sandy Mucky
Mineral field indicator (high organic matter content in the surface soils). In other areas, soils were
determined to be hydric when they had gleyed matrix with distinct mottling within 12 inches of
the soil surface.
All of these wetlands have been disturbed to varying degrees by past activities associated with
airport management and development. This resulted in difficult delineations in several areas where
extensive hydrology monitoring was required in order to verifY a wetland boundary. However,
this extensive disturbance also provides many opportunities for wetland mitigation and
~nhancement.
I hope this report provides adequate information for you to proceed with project planning. If you
have any questions, please feel free to call and discuss.
Thank You,
Lisa Palazzi
SWS certified Professional Wetlands Scientist (PWS)
ARCP ACS Certified Professional Soil Scientist (CPSS)
Certification #3313
Page 16
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'e References
Cowardin, L.M., V. Carter, F.C. Golet, and E.T. La Roe. 1979. Classification of Wetlands and
Deepwater Habitats of the United States. Office of Biological Services, Fish and Wildlife
Service, U.S. Department of the Interior, FWS 1035-79/81. 103 pp.
Environmental Laboratory. 1987. Corps of Engineers Wetlands Delineation Manual, Technical
Report Y -87-1, U. S. Army Engineer Waterways Experiment Station, Vicksburg, Miss.
, Hitchcock, C.L. and A. Cronquist. 1973. Flora of the Pacific Northwest. University of
Washington Press. 730 pp.
Kollmorgen Corporation. 1975. Munsell Soil Color Chart. Macbeth Division of Kollmorgen
~' Corporation. Baltimore, Maryland.
4/
Reed, P.B:, Jr. 1988. National List of Plant Species That Occur in Wetlands: Northwest
.. (Region 9). U.S. Fish and Wildlife Service Biological Report. 88 (26.9). 89 pp.
Washington Department of Ecology. 1997. Washington State Wetlands Identification and
Delineation Manual. Publication #96-. Washington State Department of Ecology. Olympia,
Washington.
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APPENDIX I
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AGNEW SERIES (1) .' , ,::.~;.\,.\,jN
The Agnew silt loams are m()derately deep, somewhat poorly-drained soils formeit"Ui 'sf:i~iow
glaciolacustrine sediments overlying laminated glacial till. These soils are often associated with
wetlands. Generally, the upper soils are silt loams grading to silty clay loams with depth.
Mottling is expected at 3 inches depth and gleying at 9 inches depth -- evidence of seasonal water
almost to the surface for extended periods. Belowapprox. 30 inches (in the C horizon), gravel
content increases abruptly from <5% in the surface soils to between 10 and 50% inthe subsoils.
The lower horizons are highly laminated and very hard glacial till.
Average soil percolation rates in the upper 9 inches are expected to be moderate (0.6-2 inches per
hour), decreasing to moderately slow (0.2-0~6 inches per hour) below 9 inches depth.
The Agnew soils are generally suitable for some crops and pasture with the main limitation being
seasonal wetness (a perched water taJ:>le) at 12 to 24 inches depth.
The main limitations for onsite septic and stormwater treatment are relatedto both the minimal
depth to the hardpan and seasonal wetness. Soil water percolating through these soils will move
laterally in the soil rather than down. The seasonal high water table and/or the shallow ti11layer
limits the amount of soil available to effectively treat stormwater or septic etlluent.
HOYPUS SERIES
The Hoypus gravelly loamy sands are deep, somewhat excessively drained gravelly soils formed in
glacial outwash on terraces. They are usually found on uplands, slopes ranging from 0-30%. The
surface soils are generally dark gray to dark brown gravelly loamy sands. Subsoils are dark
yellowish-brown gravelly loamy sands overlying dark grayish brown gravelly loamy sands grading
to very gravelly sands with depth. These horizons with varying colors and textures are a result of
different depositional events.
Average soil permeability is expected to be rapid (6-20 inches per hour).
Most of the Hoypus soils were originally wooded, but a great deal of the mapped acreage has
been cleared and is now used for limited pasture, gardens, and homesites. The primary limitations
are related to rapid percolation rates and slope. Stormwater will percolate into the soil readily in
undisturbed areas, but will receive relatively little treatment in the soil due to rapid percolation.
,Septic system design will be limited also by rapid percolation, poor treatment of etlluent, and
steep slopes making design difficult.
SAN JUAN SERIES
The San Juan gravelly sandy loams are very deep, somewhat excessively drained soils formed in
glacial outwash. The surface soils are generally dark-colored gravelly sandy loams. Soil texture
becomes coarser with depth, grading to gravelly loamy coarse sand and gravelly coarse sand.
Average soil permeability is expected to be rapid (6-20 inches per hour) throughout.
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The San Juan soils are is used for farmland, hayland, pasture, woodland or homesites with few
limitations. The primary limitation for septic drainfields or stormwater facilities are related to
poor filtering capacity due to rapid percolation rates and relatively low surface area in sandy soils.
Ifhousing density is moderate to high, community sewage systems or alternative septic designs
are recommended to reduce potential of water supply contamination by seepage.
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SWANTOWN SERIES
The Swantown gravelly sandy loams are somewhat poorly-drained soils formed in glacial till
under a forest cover. Generally, there is a very slowly permeable cemented ti11layer at 18-24
inches depth. The overlying soils are dark grayish brown to brown gravelly sandy loams with
mottling from 5 inches down. It is often found on lowland seep areas along toeslopes of hilly
glacial terraces.
Average soil percolation rates in the upper horizons are expected to be moderately rapid (2-6
inches per hour) above the cemented layer and very slow (less than 0.06 inches per hour) in the
cemented layer -- effectively impermeable. A perched water table is expected at 'h to 1 feet depth,
during the rainy season.
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The Swantown soils are generally suitable for woodland, wildlife habitat and recreation. Septic
systems are limited by the seasonal water table. Foundations under homes are 'expected to flood
during the rainy season. Stormwater systems don't work well due to minimal storage and
treatment potential. '
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APPENDIX II
Plant List for the Port of Port Townsend
Jefferson County Airport
Acronym Scientific Name. Common Name Indicator
Status
ABGR Abies grandis grand fir FACU
ACMI Achillea millefolium yarrow FACU
ALRU Alnus rubra red alder FAC
BENE Berberis nervosa mahonia FACU
CAOB Carex obnupta slough sedge OBL
CISP Circium sp. thistle species FACU
COCA Conyza canadensis Canadian fleabane FACU
COCO Corylus comuta beaked hazelnut FACU
/
CRDO Cralaegus douglassi Douglas' hawthorn FAC
CYSC Cytisus scoparius Scotch broom UPL
DAGL Dactylis glomerata orchard grass FACU .
EPCI Epilobium ciliatum Watson willowherb F ACW-
EQHY Equisetum hyemale scouring rush FAC
FEAR F estuca arundinacea tall fescue FAC-
FEID F estuca idahoensis Idaho fescue FACU
FERU F estuca rubra red fescue FAC
GASH Gaultheria shallon salal FACU
GEMA Geum macrophyllum avens largeleaf FACW
HOLA Holcus lanatus common velvetgrass FAC
JUEF Juncus effusus soft rush FACW
LOIN Lonicera involucrata twinberry " FACU
MAFU Malus fusca Western crabapple FACW. -...
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OECE Oemleria cerasiformis Indian plum FACU
PHAR Phalaris arundinacea reed canarygrass FACW
PLLA Plantago lanceolata rib plantain FAC
POAN Poa annua ann4al poa FAC
POBA Populus balsamifera ssp. black cottonwood FAC
trichocarpa
POMU Polystichum munitum sword fern FACU
POTR Populus tremuloides quaking aspen FAC+
PSME Pseudotsuga menziesii Douglas fir UPL
PTAQ Pteridium aquilinum bracken fern UPL
RARE Ranunculusrepens buttercup FACW
ROND Rosa nutkana nootka rose FAC
ROSP Rosa spp. rose species FAC
POPI Rosa pisocarpa clustered wild rose FAC
RUCR Rumex crispus curly dock FAC+
RUPR Rubus procerus = R Himalaya blackberry FACU
discolor
RISA Ribes sanguineum red-flowering current UPL
RUUR Rubus ursinus trailing blackberry FACU
SASP , Salix sp. willow FACtoFACW+
SYAL Symphoricarposwbus common snowberry FAC
SPDO Spiraea douglasii Douglas spirea FACW
'THPL Thuja plicata Western red cedar FAC
THPL Typha latifolia common cattail OBL
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Wetland Report
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Jefferson County Soil Survey Map
Soil Map Unit Soil Series
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SaB San Juan grsl
StB Swcmtown grsl
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LEGEND
I ON F1UO TIES BY ClARK
y USA PULAZZ/ FOR TH[
DmoTES APPROXlI/ATE: EDGE OF muNO. NOT DELiNEATE
RECEll"7R ]T)
JUl23;_
JHffRSON COUNTY lieD
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?[ B4SEV ON THE: POF?T OF
25, 1992 IN VOLUMe 14 OF
U?SON COUNTY. WASHINGTON.
IS FROM NOVDl8E:R 1997
PING FOR THe PORT OF PORT
DENOTES fXTfRIOR BOUNDAFrt OF POI(( OF POI(( roWNSf!>
PROPEKTIES. ',<
c.
tg~~1~~~~{0
DmoTES UJI11S OF WFJl.AND AS DWNE'ATE:D AND IMPPE:D
IN 1997. SEr NOTE 3.
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200
m
rt
of Port
Townsend
-
ENGINEERING
LAND SURVEYING
DEVELOPMENT CONSULTING
P.O. Box 2199
935 N SUI ~v..
Sequlm, W~ B83B2
3UO U81-21Ul
FAX 683-~31 0
cloOolympul.net
P.O. 80x 1180
Ptxt TD~ II\i4
S8J68-4614
Pttone; (:J60) 385-0656
FAX: (360) .385-3988
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WETLAND AREAS
JEFFERSON COUNTY
INTERNATIONAL AIRPORT
For
PORT OF PORT TOWNSEND
WETLAND SQUARE FEET ACREAGE
A 478,765 10.99
B 410,417 9.42
C 271,422 6.23
D 2,584 0.05
E 3,506 0.08
F 6,250 0.14
G 885 0.02.
H 5,955 0.14
I 23,015 0.53
J 26,235 0.60
K 11,566 0.27
L 68,856 1.58
M 118,575 2.72
Project/Site: Jefferson County Airport Date: 3-25-97
Applicant/Owner: Port of Port Townsend County: Jefferson
Investigator: Lisa Palazzi, Pesha Klein State: W A
Do Normal Circumstances exist on the site? Yes No Community 10: Wetland A
Is the site significantly disturbed (Atypical Situation)? Yes No Transect 10: wetland
Is the site a potential Problem Area? Yes No Plot 10:
(if needed, explain on reverse)
DAT A FORM I (Revised)
ROUTINE WETLAND DETERMINATION
(1987 COE Wetlands Delineation Manual or W A State Delineation Manual)
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VEGETATION (for strata. indicate T=tree; S=shrub; H=herb; V=vine
. ~".
Dominant Plant Soecies Stratum (o/oe) Indicator Dominant Plant Soecies Stratum Indicator
1. Mise erasses H VAR 9.
2. JUEF H FAC 10.
3. ALRU T FAC II.
4, SA SIlD T FAC+ 12.
S. 13.
6. 14.
7. IS.
8. 16.
HWROPllYl1C VEGETATION INDICATORS
Percent of Dominant Species that are OBL, F ACW or F AC :>50% (I)
Check all indicators that apply, and explain below:
*Visual observation of plant species growing in *Physiologicalheproductive adaptations -
areas of prolonged inundation/saturation. - X_ *Wetland plant database _X_
*Morphological adaptations - *Personal knowledge of regional plant conununities -
....ecbnicallitemture - *Other (explain) -
Hydropltytic vegetation present? fi! No
Rationalc:lRemarks:
To be sure of this criteria, we will need to go back and key out some of the grasses once they have flowered. The vegetation commuity changes
liutber downslope where the hydrology drops too fiIr from the surface to encourage wet-tolerant vegetation, but the grass species must be keyed
for a positive criteria.
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HYDROLOGY
Is it the growing season? ~ No Water,marks: Yes No Sediment deposits: yes no
Based on _ soil temperature (1'eCQI'd temperature) on on
-X- other (explain) Jefferson County Soil Survey
Depth of inundation: inches Drift lines: Yes No Drainage patterns Yes No
Depth to free water in the pit: _ <8_inches
Depth to saturated soil: - <4 inches Oxidized root (live roots) channels LOCII Soil Survey: Yes No
-
< 12 inches Yes No
Check all that apply & explain below:
Stream, Lake or gage data: FAC Neutral: Yes No Water-stained leaves: Yes No
Aerial hs Other
Wedand hydrology present? Xs! No
RationaleIRemarks: A water table occurs within 8 inches of the soil surface, then drops below that as the water moves downslope and seeps into
the deep sandy soils.
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Map Unit Name
(Series and Phase): San Juan l!I'llvel\v sandy loam Drainage Class: Somewhat excessively drained
Taxonomy (Subgroup): ~ Field observations confirm mapped type? Yes N2 (explain)_There is not enough of the profile exposed
to determine the soil tvDe, but in Aenera1, this is much more JlOOI'lv drained than the tvnical San Juan soil.
Profile Descriotion
Depth Matrix Color Mottle Colors Mottle Abundance Texture, Concretions
(inches) Horizon (Moist) (Moist) Size & Contrast Structure, etc,
0-4 Al IOYRJ/I NA NA Sandv ,loam
4-12 A2 25Y312 2.5Y 4/6 CMD SandY loam
12+ Cemented ,
Hydric Soil Indicators (check: all that apply)
- Histosol _Matrix chroma of 9 with mottles
_ Histic Epipedon _ Mg or Fe Concretions
_X_ Sulfidic Odor _X_High Organic Content in Surfitce Layer of Sandy Soils
_ X_ Aquic Moisture Regime _Organic Streaking in Sandy Soils
_X_ Reducing Conditions _Listed on National1Local Hydric Soils List
Glcved or Low Chroma (=)) matrix Other (Explain in Remarks)
Hydric Soils Prescnt! .xn No
RationalelRemarks: Soil colors indicate that the soils are saturated for extended periods at less than 12 inches from the soil sudilce.
Wedand Determination
Hydrophytic vegetation present? ~ No Is the sampling point within a wetland? YQ No
Hydric soils present? YQ No
Wetland hydrology present? YQ No
NOTES:
0;
[
Project/Site: Jefferson County Airport Date: 3-25-97
Applicant/Owner: Port of Port Townsend County: Jefferson
Investigator: Lisa Palazzi, Pesha Klein State: W A
Do Normal Circumstances exist on the site? Yes No Community ID: Wetland A
Is the site significantly disturbed (Atypical Situation)? Yes No Transect ID: upland
Is the site a potential Problem Area? Yes No Plot ID:
(ifneeded, explain on reverse)
DATA FORM 1 (Revised)
ROUTINE WETLANDDETERMINA nON
(1987 COE Wetlands Delineation Manual or W A State Delineation Manual)
AO_ UI-
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VEGETATION (for strata, indicate T=tree; S=shrub; H=herb; V=vine
Dominant Plant Soecies Stratum Woe) Indicator Dominant Plant Snecies Stratum Indicator
1. Mise I!IaWS H VAR 9. ,
2 JUEF H FAC 10.
3. ALRU T FAC 11.
4. SA SlID T FAC+ 12
S, PSME T UPL 13,
6. GASH S FACU 14.
7. IS.
8. 16,
HWlloPlIYI1c VEGETATION INDICAlOllS
Percent of Dominant Species thai are OBL, FACW or FAC :<50%
Check all indicator.; that apply, and explain below:
.Visual observation of plant species growing in .Physiological/reproductive adaptations -
areas of prolonged inundation/saturation. - .Wetland plant database -
.Morphological adaptations - .Personal knowledge of regional plant communities -
*T echnicalliterature - *Other (explain) -
Hydropllytic vegetation present? Yes N2
RationaleIR.emarks:
The grassy areas downslope simply have less JUEF. The forested upslope areas are dominated by Douglas-fir with minimal understory (closed
canopy)
e
HYDROLOGY
Is it the growing season? ~ No Water marks: Yes No Sediment deposits: yes no
Based on _ soil temperature (record temperature) on on
-A.... other (explain) Jefferson Countv Soil Survey
Depth of inundation: inches Drift lines: Yes No Drainage patterns Yes No
Depth to free water in the pit: >12 inches
Depth to saturated soil: - >12 - inches Oxidized root (live roots) channels Local Soil Survey: Yes No
<12 inches Yes No
Check all that apply &. explain below:
Stream, Lake or gage data: FAC Neutral: Yes No Water-stained leaves: Yes No
Aerial photo~phs Other
WetlaDd bydrology present? Yes No
RationaleIR.emarks: The water table occur.; at greater than 12 inches form the surfilce, drains deeper in the soil as it moves downslope.
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Map Unit Name
(Series and Phase): San Juan l!I'avellv sandy loam Drainage Class: Somewhat excessivelv drained
Taxonomy (Subgroup): ~ Field observations confirm mapped type? Yes ~ (explain)_ There is not enough of the profile exposed
to detennine the soil tvne, but in ~eneral, this is much more DOOrlV drained than the tvnical San Juan soil.
Profile Descrintion
Depth Matrix Color Mottle Colors Mottle Abundance Texture, Concretions
(inches ) Horizon (Moist) (Moist) Size & Contrast Structure, etc.
0-12+ AI 10YRJ/1 NA NA Loamv fine sand
Hydric Soil Indicators (check all that apply)
- Histosol _ Matrix chroma of g with mottles
_ Histic Epipedon _ Mg or Fe Concretions
- Sulfidic Odor _ High Organic Content in Surfilce Layer of Sandy Soils
_ Aquic Moisture Regime _Organic Streaking in Sandy Soils
_ Reducing Conditions Listed on NationallLocal Hydric Soils List
Gleved or Low Chroma (= I ) matrix - Other (Exnlain in Remarks)
Hydric Soils Present? Yes M!!
RationaleJRemarks: Soil colors indicate that the soils are not saturated fur extended periods at less than 12 inches from the soil sumce.
Wed.ad Determination
Hydrophytic vegetation present? Yes ~ J s the sampling point within a wetland? Yes ~
Hydric soils present? Yes ~
Wetland hydrology present? Yes ~
NOTES:
-L.~:~1
DA T A FORM 1 (Revised)
ROUTINE WETLAND DETERMINATION
(1987 COE Wetlands Delineation Manual or W A State Delineation Manual)
Project/Site: Jefferson County Airport Date: 3-25-97
Applicant/Owner: Port of Port Townsend County: Jefferson
Investigator: Lisa Palazzi, Pesha Klein State: W A
Do Normal Circumstances exist on the site? Yes No Old fill soils Community ID: Wetland B
-
Is the site significantly disturbed (Atypical Situation)? Yes No Transect ID: Flag 35- upland
Is the site a potential Problem Area? Yes No Plot ID:
(if needed, explain on reverse)
VEGETATION (for strata. indicate T=tree; S=shrub; H=herb; V=vine
Dominant Plant Soecies Stratum (o/oe) I ndicator Dominant Plant Soecies Stratum Indicator
1. RONU S (5%) FAC 9.
2 SPOO S (\0"10) FACW 10.
3. PTAO H (5%) FACU 11.
4, A2rostis SIlO h (5%) FAC 12.
5. DAGL h (\5"/0) FACU 13.
6. JUEF h (T) FAC 14,
7. GASH sm FACU IS.
8. BENE V 15% FACU 16.
HYDROPllYI1C VEGETATION INDICATORS
Percent of Dominant Species that are OBL, F ACW or F AC :20%
Check all indicators that apply, and explain below:
*Visual observation of plant species growing in *PhysiologicaIlreproductive adaptations -
areas of prolonged inundation/saturation. - .Wetland plant database -
*Morphological adaptations - *J>er.;onal knowledge of regional plant communities -
.,. echnicalliterature - *Other (explain) -
,
Hydropllytie vegetation present? Yes No
RationaJeJRemarks:
Less than half of the dominant vegetation is FAC or wetter,
HYDROLOGY
Is it the growing season? ~ No Water marks: Yes No Sediment deposits: yes no
Based on _ soil temperature (record temperature) on on
..A.... other (explain) Jefferson County Soil Survey
Depth of inundation: inches Drift lines: Yes No Drainage patterns Yes No
Depth to free water in the pit: - 14" - inches
Depth to saturated soil: - 12" - inches Oxidized root (live roots) channels Local Soil Survey: Yes No
< 12 inches Yes No
Check all that apply & explain below:
Stream, Lake or gage data: FAC Neutral: Yes No Water-stained leaves: Yes No
Aerial Other
Wetlud bydrology present? Yes No
RationaleJRemarks: The current water table is at greater than 12 inches, Appears to be nonnal condition.
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Map Unit Name
(Series and Phase): Swantown l!I'avellv sandy loam Drainage Class: "Somewhat IlQOTlv drained
Taxonomy (Subgroup): ~ Field observations confirm mapped type? Yes t:!l2 (explain)_Not enough of the profile to evaluate
whether this is a Swantown
Profile Descriotion
Depth Matrix Color Mottle Colors Mottle Abundance Texture, Concretions
(inches) Horizon (Moist) (Moist) Size & Contrast Structure, etc.
0-10 A 2 5Y5/3 NA NA Loamv fine sand
10-12 B IOYR212 NA NA Loamv fine sand
Hydric Soil Indicators (check all that apply)
- Histosol _ Matrix chroma of:;:2 with mottles
_ _ Histic Epipedon _ Mg or Fe Concretions
- Sulfidic Odor _ High Organic Content in Surmce Layer of Sandy Soils
_ Aquic Moisture Regime _Organic Streaking in Sandy Soils
_ Reducing Conditions Listed on NationallLocal Hydric Soils List
G1eved or Low Chroma (= I) matrix - Other (Explain in RemarkS) ,
..
Hydric Soils PreseDt? Yes No
RationaleIRemarks: Old fill over what was probably once hydric soil below. The fill is deep enough keep the hydrology more than 12 inches
from the soil surface
WetlaDd DctermiDatioD
Hydrophytic vegetation present? Yes t:!l2 Is the sampling point within a wetland? Yes t:!l2
Hydric soils present? Yes t:!l2
Wetland hydrology present? Yes t:!l2
fA-
NOTES:
DATA FORM 1 (Revised)
ROUTINE WETLAND DETERMINATION
(1987 COE Wetlands Delineation Manual or W A State Delineation Manual)
Project/Site: Jefferson County Airport Date: 3-25-97
Applicant/Owner: Port of Port Townsend County: Jefferson
Investigator: Lisa Palazzi, Pesha Klein State: W A
Do Normal Circumstances exist on the site? Yes No fill soils Community 10: Wetland . rs
Is the site significantly disturbed (Atypical Situation)? Yes No Transect 10: Flag 24- wetland
Is the site a potential Problem Area? Yes No Plot 10:
(if needed, explain on reverse)
VEGETATION (for strata, indicate T=tree; S=shrub; H=herb; V=vine
~
Dominant Plant Soecies Stratum (o/oe) Indicator Dominant Plant Soecies Stratum Indicator
I. CAOB H OBL 9.
2 RONU S FAC 10,
3. SPDO S FACW II.
4. 12.
S, i3.
6, 14.
7. IS,
8. 16.
H'YDROPBYnC VEGETATION INDICATORS
Percent of Dominant Species that are OBL, F ACW or F AC : I 00%
Check all indicators that apply, and explain below:
.Visual observation of plant species growing in .Physiological/reproductive adaptations -
areas of prolonged inundation/saturation. -2L .Wetland plant database _X_
*Morphological adaptations - .Personal knowledge of regional plant communities --A-
*T echnicalliterature _X_ *Other (explain) -
Hydropllytic vegetation prescnt? Xg No
RationaleIRemarks:
More than half of the dominant vegetation is F AC or wetter.
':-
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.:;.
HYDROLOGY
Is it the growing season? ~ No
Based on _ soil temperature (record temperature)
..A- other (explain) Jefferson County Soil Survey
Water marks: Yes No
on
Sediment deposits: yes no
on,
Depth of inundation: inches
Depth to free water in the pit: _4"_ inches
Depth to saturated soil: !l". inches
Drift lines: Yes No
Drainage patterns Yes No
Oxidized root (live roots) channels
<12 inches 'Yes No
Local Soil Survey' Yes No
Check all that apply & explain below:
Stream, Lake or gage data:
Aerial ho hs , Other
FAC Neutral: Yes No
Water-stained leaves: Yes No
Wedand hydrology present? Xg No
RationaleIRemarks: The current water table is at less than 12 inches, appears to be at that depth fur extended periods under normal conditions.
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Map Unit Name
(Series and Phase): Swantown e:ravellv sandv loam Drainage Class: Somewhat ooorlv drained
Taxonomy (Subgroup): ~ Field observations confirm mapped type? Yes ~ (explain)_Not enough of the profile to evaluate
whether this is a Swantown
Profile Descrintion
Depth Matrix Color Mottle Colors Mottle Abundance Texture, Concretions
( inches) Horizon (Moist) (Moist) Size & Contrast Structure., etc.
0-12 A 10YR2JI NA NA Loamv ffine sand
,
Hydric Soil Indicators (check all that apply)
- Histosol _ Matrix chroma of:;:2 with mottles
_ _ Histic Epipedon _ Mg or Fe Concretions
- Sulfidic Odor _X_ High Organic Content in Surlilce Layer of Sandy Soils
_X_ Aquic Moisture Regime _Organic Streaking in Sandy Soils
_X_ Reducing Conditions Listed on NationallLocaI Hydric Soils List
G1eved or Low Chroma (= 1 ) matrix - Other (Exnlain in Remarks)
Hydric Soils PreStot? fu No
RationaleIRemarks: Black, highly organic surlilce soils with current hydrology
Wellaod Determioatioo
Hydrophytic vegetation present? ~ No Is the sampling point within a wetland? ~ No
Hydric soils present? ~ No
Wetland hydrology present? ~ No
NOTES:
-- ~~ ~--...
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DATA FORM 1 (Revised)
ROUTINE WETLAND DETERMINATION
(1987 CO E Wetlands Delineation Manual or W A State Delineation Manual)
Project/Site: Jefferson County Airport Date: 3-25-97
Applicant/Owner: Port of Port Townsend County: Jefferson
Investigator: Lisa Palazzi, Pesha Klein State: W A
Do Normal Circumstances exist on the site? Yes No Community ID: Wetland 8
Is the site significantly disturbed (Atypical Situation)? Yes No Transect ID: Flag 2- wetland
Is the site a potential Problem Area? Yes No Plot ID:
(if needed, explain on reverse)
VEGETATION (for strata, indicate T=tree; S=shrub; H=herb; V=vine
~: .
.:~::
Dominant Plant Soecies Stratum ('Yael Indicator Dominant Plant Soecies Stratum Indicator
1. Al!I'llStis soo H FAC+ 9.
2. Per. RWl!IlISS H FACU 10.
3, RUCR H FACW 11.
4. RONU S FAC 12,
S. 13.
6, 14.
7. IS.
8. 16,
HYDROPBYTIC VEGETATION INDICAlORS
Percent of Dominant Species that are OBL, FACW or FAC :75%
Check all indicators that apply, and explain below:
.Visual observation of plant species growing in .PhysiologicaVreproductive adaptations -
areas of prolonged inundation/saturation. -A- .Wetland plant database _X_
.Morphological adaptations - .Personal knowledge of regional plant communities --1L-
*Teclmicalliterature _X_ *Other (explain) -
Hydrophytic vegetatioo prcscot? Xn No
RationaleIRemarks:
More than half of the dominant vegetation is F AC or wetter.
'" ..~
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.....
HYDROLOGY
,,~"~'
Is it the growing season? ~ No Water marks: Yes No Sediment deposits: yes no
Based on _ soil temperature (record temperature) on on
-A- other (explain) Jefferson County Soil Survey
Depth of inundation: inches Drift lines: Yes No Drainage patterns Yes No
Depth to free water in the pit: - 3"_ inches
Depth to saturated soil: !r inches Oxidized root (live roots) channels Local Soil Survey: Yes No
<12 inches Yes No
Check all that apply & explain below:
Stream, Lake or gage data: FAC Neutral: Yes No Water-stained leaves: Yes No
Aerial ohOtol!J'aDhs Other
Wctlaod hydrology prescnt? Xn No
RationaleIRemarks: The current water table is at less than 12 inches, appears to be at that depth for extended periods under normal conditions.
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Map Unit Name
(Series and Phase): Swantown I!flIvellv sandv loam Drainage Class: Somewhat ooorlv drained
Taxonomy (Subgroup): ~ Field observations confirm mapped type? Yes 1:::!Q (explain)_Not enough of the profile to evaluate
whether this is a Swantown
,
Profile Descriotion
Depth Matrix Color Mottle Colors Mottle Abundance Texture, Concretions -
(inches) Horizon (Moist) (Moist) Size & Contrast Structure, etc.
0-10 A IOYR2/1 NA NA Muck
10-12 B 25Y412 IOYR4/4 Common.. distinct Loamv fine sand
Hydric Soil Indicators (check all that apply)
- Histosol _ Matrix chroma of Sl with mottles
_ _ Histic Epipedon _ Mg or Fe Concretions
- Sulfidic Odor _X_ High Organic Content in Sumce Layer of Sandy Soils
_X _ Aquic Moisture Regime _Organic Streaking in Sandy Soils
, _X_Reducing Conditions _Listed on NationallLocal Hydric Soils List
Gleved or Low Chroma (= I) matrix Other (Explain in RemarkS)
Hydric Soils Present? Yes No
RationaleIRemarks: Black sumce directly overlying a g1eyed and mottled substrate with cunent hydrology
-
Wetland Determination
Hydrophytic vegetation present? ~ No Is the sampling point within a wetland? ~ No
Hydric soils present? ~ No
Wetland hydrology present? ~ No
NOTES:
C 'j
DATA FORM 1 (Revised)
ROUTINE WETLAND DET ERMIN A TION
(1987 COE Wetlands Delineation Manual or W A State Delineation Manual)
C t...J~
Project/Site: Jefferson County Airport Date: 3-25-97
Applicant/Owner: Port of Port Townsend County: Jefferson
InvestiRator: Lisa Palazzi, Pesha Klein State: W A
Do Nonnal Circumstances exist on the site? Yes No Community 10: Wetland C
- Is the site significantly disturbed (Atypical Situation)? Yes No Transect 10: wetland
Is the site a potential Problem Area? Yes No Plot 10:
(if needed, explain on reverse)
VEGETATION (for strata. indicate T=tree; S=shrub; H=herb; V=vine
.~
Domq,ant Plant Snecies Stratum (o/oe) Indicator Dominant Plant Snecies Stratum Indicator
L JUEF H FAC 9.
2 TYLA H OBL 10,
3. PHAR H FAC II.
4. SPOO S FACW 12.
S. SA SIlD S FAC+ 13.
6. POAN S FAC 14.
7. MISC. GRASSES H VAR 15,
8. 16.
HWROPllYl1C VEGETATION INDICATORS
Percent of Dominant Species that are OBL, F ACW or F AC :>50%
Check all indicators that apply, and explain below.
*VisuaI observation of plant species growing in *Physiologica1lreproductive adaptations -
areas of prolonged inundation/saturation. - .Wetland plant database _X_
*Morphological adaptations - *Personal knowledge of regional plant communities _X_
.... echnicalliterature - *Other (explain) -
Hydrophytic: vegetatioa preseat? Xn No
RationaleIRemarks:
More than 50% of the vegetation is hydrophytic.
~
,HYDROLOGY
Is it the growing season? ~ No Water marks: Yes No Sediment dc:posits: yes no
Based on _ soil temperature (record temperature) on on
..L other (explain) Jefferson CounN Soil Survev
Depth of inundation: inches Drift lines: Yes No Drainage patterns Yes No
Depth to free water in the pit: _3_incbes
Depth to saturated soil: - 0_ inches Oxidized root (live roots) channels Local Soil Survey: Yes No
< I 2 inches Yes No
Check all that apply & explain below:
Stream, Lake or gage data: FAC.Neutral: Yes No Water-stained leaves: Yes No
Aerial nhotrurranhs Other
Wetlaad hydrology preseat? Xn No
RationaleIRemarks: Long duration water table occurs within 12 inches oflhe soil sumce
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Map Unit Name
(Series and Phase): Swantown eravellv sandy loam Drainage Class: Somewhat ooorlv drained
Taxonomy (SubgrOUp): ~ Field observations confirm mapped type? Yes N.2(explain)_There is not enough of the profile exposed
to determine the soil tvoe, but in lreIIeral, this is more poorly drained than the tvDical Swantown
Profile DescriDtion
Depth Matrix Color Mottle Colors Mottle Abundance Texture, Concretions
(inches ) Horizon (Moist) (Moist) Size & Contrast Structure, etc.
~ AI IOYR211 NA NA sandy loam
6-12+ A2 2SYS12 2 SYS/6 ceo Loamv sand
,
Hydric Soil Indicators (check all that apply)
- Histosol _ Matrix chroma of:;:2 with mottles
_ Histic Epipedon _ Mg or Fe Concretions
- Sulfidic Odor _X_ High Organic Content in Surmce Layer of Sandy Soils
_X_ Aquic Moisture Regime _Organic Streaking in Sandy Soils
_X_ Reducing Conditions Listed on National/Local Hydric Soils List
Gleved or Low Chroma (=1) matrix - Other (ExDlain in RerJ1lU'kS)
Hydric Soils Present? Yes No
RationaleIRemarks: Soils are saturated at less than 12 inches from the soil surmce during the growing season.
.
WetlaDd DderminatioD
Hydrophytic vegetation present? ~ No Is the sampling point within a wetland? ~ No
Hydric soils present? ~ No
Wetland hydrology present? ~ No
NOTES:
- r'
DATA FORM 1 (Revised)
ROUTINE WETLAND DETERMINATION
(1987 COE Wetlands Delineation Manual or W A State Delineation Manual)
Project/Site: Jefferson County Airport Date: 3-25-97
Applicant/Owner: Port of Port Townsend County: Jefferson
Investi/lator: Lisa Palazzi, Pesha Klein State: W A
,
Do Nonnal Circumstances exist on the site? Yes No Community ID: Wetland. I)
Is the site significantly disturbed (Atypical Situation)? Yes No Transect ID: wetland (?)
Is the site a potential Problem Area? Yes No Plot ID: Flag 194
(if needed, explain on reverse)
VEGETATION (for strata., indicate T=tree; S=shrub; H=herb; V=vine
~~:::
Dominant Plant Soecies Stratum (%c) Indicator Dominant Plant Soecies Stratum Indicator
1. TYLA H OBL 9. AG Soo H FAC
2 CAOB H OBL 10. ALRU S FAC
3. PHAR H FAC n. GEMA H FAC
4. SALA S FACW+ 12. CIAR H FACU+
S, RARE H FAC 13.
6. RUCR H FACW 14.
7. JUEF H FAC IS.
8. PP1A H FACW 16,
, ~H
HVOROPHYnC VEGETA110N INDICAtORS
Percent of Dominant Species that are OBL, F ACW or F AC :>50%
Check all indicators that apply, and explain below:
.ViSWII observation of plant species growing in .Physiological/reproductive adaptations -
areas of prolonged inundation/saturation. - .Wetland plant database _X_
.Morphological adaptations - .Personal knowledge of regional plant communities -
.,.echnicalliterature - ~er(explain) -
Hydropbytic vegdatioo prcseot? Yes No
RationaleJRemarks:
More than half of the dominant vegetation is F AC or wetter.
HYDROLOGY
Is it the growing season? ~ No Water marks: ~ No Sediment deposits: yes no
Based on _ soil temperature (record temperature) on on
-L other (explain) Je~n County Soil Survey
Depth of inundation: inches Drift lines: Yes No Drainage patterns Yes No
Depth to free water in the pit: _>12 - inches
Depth to saturated soil: - >12 - inches Oxidized root (live roots) channels Local Soil Survey: Yes No
<12 inches Yes No'
Check all that apply & explain below:
Stream, Lake or gage data: FAC Neutral: Yes No Water~ined leaves: Yes No
Aerial Dhot02J'llDhs Other
Wetlaod bydrology prescot? Yes ~
RationaleIRemarks: Although there is evidence that water stood on the surfitce in this area this past winter, none has persisted up to this time,
which is during the requisite portion of the growing season in a particularly wet year. So it appears that the water does not persist into the,
growing season, as defined by using the season defined in the Jefferson County Soil SurVey, 'We have no soil temperature data to justifY changing
the growing season definition. "r~ 11"" 01T::;' rr~\\ nr:r If'\
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DAT A FORM 1 (Revised)
ROUTINE WETLAND DETERMINATION
(1987 COE Wetlands Delineation Manual or W A State Delineation Manual)
Project/Site: Jefferson County Airport Date: 3-25-97
Applicant/Owner: Port of Port Townsend County: Jefferson
Investigator: Lisa Palazzi, pesha Klein State: WA
Do Normal Circumstances exist on the site? Yes No Old filI soils Community 10: Wetland e
-
Is the site significantly disturbed (Atypical Situation)? Yes No Transect 10: upland
Is the site a potential Problem Area? Yes No Plot 10:
(if needed, explain on reverse)
VEGETATION (for strata, indicate T=tree; S=shrub; H=herb; V=vine
Dominant Plant Soecies Stratum (o/oe) Indicator Dominant Plant Soecies Stratum Indicator
L SYAL S FAC 9.
2. Twinbenv S .Lill.! 10.
3. ALRU H FAC II.
4. Misc.l!IlISS H FACW-FAaJ 12.
S. 13.
6. 14.
7, 15.
8. 16.
HYDROPIIY11C VEGETATION INDICATORS
Percent of Dominant Species that are OBL, F ACW or F AC :<50%
Check all indicators that apply, and explain below:
.Visua1 observation of plant species growing in .Physiological/reproductive adaptations -
areas of prolonged inundation/saturation. - .Wetland plant database -
.Morphological adaptations - .Personal knowledge of regional plant communities -
*Technical literature - *Other (explain) -
Hydrophytic vegetatioo preseot? Yes !Sl!
RationaleiRemarks:
Less than half of the dominant vegetation is F AC or wetter.
HYDROLOGY
Is it the growing season? ::w. No Water marks: Yes No Sediment deposits: yes no
Based on _ soil temperature (record temperature) on on
.A- other (explain) Jeffurson County Soil Survey
Depth of inundation: inches Drift lines: Yes No Dminage patterns Yes No
Depth to free water in the pit: _>12 _inches
Depth to satumted soil: - >12 - inches Oxidized root (live roots) channels Local Soil Survey: Yes No
<12 inches Yes No
Check all that apply & explain below:
Stream, Lake or gage data: F AC Neutral: Yes No Water-stained leaves: Yes No
Aerial DhotolU1lohs Other
Wetl.od hydrology preseot? Yes No
RationaleIRemarks: The cuneot water table is at greater than 12 inches. Appears to be nonnal condition.
1 , '
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Map Unit Name
(Series and Phase): San Juan t!J'avellv sandy loam Drainage Class: Somewhat excessivelv drained
Taxonomy (Subgroup): !.J!:!llm:m Field observations confirm mapped type? Yes ~ (explain)_This soil is more poorly drained than the
San Juan
Profile DescriDtion
Depth Matrix Color Mottle Colors Mottle Abundance Texture, Concretions
(inches) Horizon (Moist) (Moist) S~ & Contrast Structure, etc.
0-1 (dist) Al IOYR312 NA NA Very t!J'avellv sandv loam
1-12+ A1 2 SYS/3 NA NA Very t!J'avellv sandv loam
Hydric Soil Indicators (check all that apply)
- Histosol -'-- Matrix chroma of::;2 with mottles
_ _ Histic Epipedon _ Mg or Fe Concretions
Sulfidic Odor _ High Organic Content in Surface Layer of Sandy Soils
_ Aquic Moisture Regime _Organic Streaking in Sandy Soils
_ Reducing Conditions _Listed 011 National/Local Hydric Soils List
Gleved or Low Chroma (=1) matrix Other (EXDlain in RemarkS)
Hydric Soils Prcscnt? Yes ~
RationaleIRemarks: Disturbed, dark. brown surfilce soils overlying light yellowish brown - non-gleyed and noo-mottled subsoils
Wetland Determination
Hydrophytic vegetation present? Yes ~ Is the sampling point within a wetland? Yes ~
Hydric soils present? Yes ~
Wetland hydrology present? Yes ~
NOTES:
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DATA FORM 1 (Revised)
ROUTINE WETLAND DETERMINATION
(1987 COE Wetlands Delineation Mariual or W A State Delineation Manual)
E-wV
Project/Site: Jefferson County Airport Date: 3-25-97
Applicant/Owner: Port of Port Townsend County: Jefferson
Investi~ator: Lisa Palazzi, Pesha Klein State: W A
Do Normal Circumstances exist on the site? Yes No Old fill soils Community ID: Wetlan<. - E
-
Is the site significantly disturbed (Atypical Situation)? Yes No Transect ID: wetland
Is the site a potential Problem Area? Yes No Plot ID:
(if needed, explain on reverse)
VEGETATION (for strata, indicate T=tree; S=shrub; H=herb; V=vine
Dominant Plant Suedes Stratum (%c) Indicator Dominant Plant Snecies Stratum Indicator
1. JUEF H FAC 9,
2 SPOO S FACW 10.
3. PLLA H FACU+ II.
4. AGSIlD H FAC 12.
S. CAOB H FAC+ 13.
6. GEMA H FACW 14.
7. RUCR H FACW IS.
8, 16.
HVOROPRYIlC VEGETATION INDICATORS
Percent of Dominant Species that are OBL, F ACW or F AC :90%
Check all indicators that apply, and explain below:
.Visual observation of plant species growing in .PhysiologicaVreproductive adaptations -
areas of prolonged inundation/saturation. _X_ .Wetland plant database _X_
.Morphological adaptations - .Personal knowledge of regional plant communities _X_
*Tecbnicalliterature _X_ *Other (explain) -
Hydrophytic vegetation present? Xu No
RationaleIRemarks:
More than half of the dominant vegetation is F AC or wetter.
HYDROLOGY
..
Is it the growing season? ~ No Water marks: Yes No Sediment deposits: yes no
Based on _ soil temperature (record temperature) on on
...2L. other (explain) Jefferson Countv Soil Survev
Depth of inundation: inches Drift lines: Yes No Drainage patterns Yes No
Depth to free water in the pit: _6_ inches
Depth to saturated soil: _0_ inches Oxidized root (live roots) channels Local Soil Survey: Yes No
< 12 inches Yes No
Check all that apply & explain below:
Stream, Lake or gage data: FAC Neutral: Yes No Water-slained leaves: Yes No
Aerial photoeraDhs Other
Wetland hydrology present? Yes No
RationaleIRemarks: The current water, table is at less than 12 inches. Appears to be normal condition.
,
DATA FORM 1 (Revised)
ROUTINE WETLAND DETERMINATION
(1987 COE Wetlands Delineation Manual or W A State Delineation Manual)
Project/Site: Jefferson County Airport Date: 3-25-97
Applicant/Owner: Port of Port Townsend County: Jefferson
Investi2ator: Lisa Palazzi, Pesha Klein State: W A
Do Normal Circumstances exist on the site? Yes No ' Community 10: Wetland F
Is the site significantly disturbed (Atypical Situation)? Yes No Transect 10: wetland
Is the site a potential Problem Area? Yes No Plot 10:
(jfneeded, explain on reverse)
VEGETATION (for strata, indicate T=tree; S=shrub; H=herb; V=vine
...'
Dominant Plant Soecies Stratum (%c) Indicator Dominant Plant Soecies Stratum Indicator
I. SPDO S FACW 9.
2- ROSoo S FAC 10.
3. JUEF H FAC II. ,
4. AG SIlD H FAC 12-
S, ALRU S FAC 13.
6. SA SIlD S FAC 14,
7. CAOB H OBL IS,
8. 16.
HYDROPIIYI1C VEGETATION INDICATORS
Percent of Dominant Species that are OBL, F ACW or F AC : 100%
Check all indicators that apply, and explain below:
.Visual observation of plant species growing in .Physiologicallreproductive adaptations -
areas of prolonged inundation/saturation. _X_ .Wetland plant database _X_
.Morphological adaptations - .Personal knowledge of regional plant communities _X_
"'echnicalliterature - ~er(e"plain) -
,
Hydropbytic vegetatioD preseDt? Xu No
RationaleIRemarks:
All of the dominant vegetation is FAC or wetter.
~,
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HYDROLOGY
Is it the growing season? Yes No Water marks: Yes No Sediment deposits: yes no
Based on _ soil temperature (record temperature) on on
..L other (explain) Jefferson Countv Soil Survey
Depth of inundation: inches Drift lines: Yes No Drainage patterns Yes No
Depth to free water in the pit: _4_ inches
Depth to saturated soil: - 1 - inches Oxidized root (live roots) channels Local Soil Survey: Yes No
<12 inches Yes No
Check all that apply & explain below:
Stream, Lake or gage data: FAC Neutral: Yes No Water-stained leaves: Yes No
Aerial Dhoto2l'llDhs Other
WellaDd hydrology preseDt? Yes No
RationaleIRemarks: The current water table is at less than 12 inches. Appears to be nonnal condition:
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Map Unit Name
(Series and Phase): San Juan llrllvellv sandvloam Drainage Class: Somewhat excessivelv drained
Taxonomy (Subgroup): Umbreot Field observations confirm mapped type? Yes N2 (explain)_This soil is more poorly drained than the
San Juan
Profile DescriDtion
Depth Matrix Color Mottle Colors Mottle Abundance Texture, Concretions
( inches) Horizon (Moist) (Moist ) Size & Contrast Structure, etc.
0-4 AI IOYR212 NA NA Loarnv sand
4-12+ ' A2 IOYR512 IOYR5/6 NA Loarnv sand
Hydric Soil Indicators (check all that apply)
- Histosol _ Matrix chroma of:s2 with mottles
_ Histic Epipedon _ Mg or Fe Concretioos
- Sulfidic Odor _X_ High Organic Cootent in Surfilce Layer of Sandy Soils
_ X_ Aquic Moisture Regime _Organic Streaking in Sandy Soils
_X_ Reducing Conditions Listed on NationallLocal Hydric Soils List
Gleved or Low Chroma (= I) matrix - Other (Explain in RemaJ'1(S) ,
Hydric Soils Present? Yes No
RationaleIRemarks: Dark surmce soils overlying g1eyed, mottled subsoils
"
Wetland Determination
Hydrophytic vegetation present? ya No Is the sampling point within a wetland? ~ No
Hydric soils present? ~ No
Wetland hydrology present? ~ No
NOTES:
'~~T '<
DATA FORM 1 (Revised)
ROUTINE WETLAND DETERMINA nON
(1987 COE Wetlands Delineation Manual or W A State Delineation Manual)
Project/Site: Jefferson County Airport Date: 3-25-97
Applicant/Owner: Port of Port Townsend County: Jefferson
Investigator: Lisa Palazzi, Pesha Klein State: W A
Do Normal Circumstances exist on the site? Yes No Community 10: Wetland F
- Is the site significantly disturbed (Atypical Situation)? Yes No Transect 10: upland
Is the site a potential Problem Area? Yes No Plot 10:
(if needed. explain on reverse)
VEGETATION (for strata, indicate T=tree; S=shrub; H=herb; V=vine
;~
Dominant Plant Soecies Stratum (o/oe) Indicator Dominant Plant Soecies Stratum Indicator
1. Pea Rve H FACU 9.
2. RUUR S FACU 10.
3. ALRU H FAC 11.
4. PTAO H FACU 12.
, S. RUPA H FACU+ 13.
6. 14.
7. IS.
8. 16.
HYDROPllYl1C VEGETATION INDICATORS
Percent of Dominant Species that are OBL, F ACW or F AC :<50%
Check all indicators that apply, and explain below:
*Visual observation of plant species growing in *Physiological/reproductive adaptations -
areas of prolonged inundation/saturation. - *WetIand plant database -
*Morphological adaptations - *Personal knowledge of regional plant communities -
*T echnicalliterature - *Other (explain) -
Hydropllytic vegetatioo preseot? Yes ~
RationaleIRemarks:
Less than half of the dominant vegetation is F AC or wetter.
HYDROLOGY
Is it the growing season? ~ No Water marks: Yes No Sediment deposits: yes no
Based on _ soil temperature (record temperature) on on
A- other (explain) Jefferson County Soil Survey
Depth of inundation: inches Drift lines: Yes No Drainage pattems Yes No
Depth to free water in the pit: _>12_ inches .
Depth to saturated soil: - >12_inches Oxidized root (live roots) channels Local Soil Survey: Yes No
< 12 inches Yes No
Check all that apply & explain below:
Stream, Lake or gage data: FAC Neutral: Yes No Water-stained leaves: Yes No
Aerial Dhoto~- Other
Wed.od hydrology prescot? Yes No
RationaleIRernarks: The current water table is at greater than 12 inches. Appears to be normal condition.
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Map Unit Name
(Series and Phase): San Juan lD'avellv ~ndy loam Drainage Class: Somewhat excessivelv drained
.
Taxonomy (Subgroup): ~ Field observations confirm mapped type? Yes J:!Q (explain)_This soil is more poorly drained than the
San Juan
Profile DescriDtion ,
Depth Matrix Color Mottle Colors Mottle Abundance Texture, Concretions
(inches) Horimn (Moist) (Moist) Size & Contrast Structure, etc.
0-6 AI 10YRJ12 NA NA Loamv sand
6-12+ A2 IOYR4/4 NA NA Loanw sand
Hydric Soil Indicators (check all thai apply)
Histosol Matrix chroma of<2 with mottles
_ _ Histic Epipedon = Mg or Fe Concreti-;;ns
- Sulfidic Odor _ High Organic Content in Sunace Layer of Sandy Soils
_ Aquic Moisture Regime _Organic Streaking in Sandy Soils .
_ Reducing Conditions _Listed on National/LocaI Hydric Soils List
Gleved or Low Chroma (=1) matrix Other lExnlain in R~)
Hydrie Soils Preseot? Yes ~
RationaleIRernarks: Dark brown sunace soils overlying yellowish brown - non-gleyed and non-mottled subsoils
Wetlaad Determioatioa
Hydrophytic vegetation present? Yes J:!Q Is the sampling point within a wetland? Yes No
Hydric soils present? Yes J:!Q
Wedand hydrology present? Yes J:!Q
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DATA FORM 1 (Revised)
ROUTINE WETLAND DETERMINATION
(1987 COE Wetlands Delineation Manual or W A State Delineation Manual)
Project/Site: Jefferson County Airport Date: 3-25-97
Applicant/Owner: Port of Port Townsend County: Jefferson
Investigator: Lisa Palazzi, Pesha Klein State: W A
Do Normal Circumstances exist on the site? Yes No Community 10: Wetland G
Is the site significantly disturbed (Atypical Situation)? Yes No Transect ID: upland
Is the site a potential Problem Area? Yes No Plot 10:
(if needed, explain on revers~)
VEGETATION (for strata, indicateT=tree; S=shrub; H=herb; V=vine
Dominant Plant Soecies Stratum Woe l Indicator Dominant Plant Soecies Stratum Indicator
1. Scot's broom S UPL 9.
2. FERU H FAC 10,
3. AG SIlD H FAC 11.
4, JUFE S FAC 12.
S. POTR H FAC+ 13.
6, 14,
7. IS.
8, 16.
HYDROPHYI1C VEGETATION INDICATORS
Percent of Dominant Species that are OBL, F ACW or F AC :>50%
Check all indicators that apply, and explain below:
*Visual observation of plant species growing in *Physiological/reproductive adaptations -
areas of prolonged inundation/saturation. - *Wetland plant database _X_
*Morphological adaptations - *Personal knowledge of regional plant communities _X_
*T echnicalliterature - *Other (explain) -
Hydropbytic vegetatioo preseot? Yes No
RationaleIRemarks:
This area certainly meets the requirement that more than half the species be hydrophytic, however, Scot's broom is not adapted to saturated soils
and usually dies if the soils are wet for extended periods, so although it does meet the criteria, the healthy Scot's broom indicates that the
hydrology is not oflong enough duration.
HYDROLOGY
,,,.
"
Is it the growing season? ~ No Water marks: Yes No Sediment deposits: yes no
Based on _ soil temperature (record temperature) on on
-A... other (explain) Jefferson County Soil Survey
Depth of inundation: inches Drift lines: Yes No Drainage patterns Yes No
Depth to free water in the pit: _>12_ inches
Depth to saturated soil; - >12_inches Oxidized root (live roots) channels Local Soil Survey: Yes No
< 12 inches Yes No
Check all that apply & explain below:
Stream, Lake or gage data: FAC Neutral: Yes No Water-stained leaves: Yes No
Aerial DhotolD'aDhs Other
Wetl.od bydrology present? Yes No
RationaleIRernarks: No water table occurs within 12 inches of the soil sumce R JEe E rr'1lE: n
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Map Unit Name
(Series and Phase): SanJuan lD'avellv sandY loam Drainage Class: .. Somewhat excessivelv drained
Taxonomy (Subgroup):.!.1m.!:lwn Field observations confirm mapped type? Yes J:!Q (explain)_ This soil is more poorly drained and finer
textured than the San Juan
Profile Descrintion
Depth Matrix Color Mottle Colors Mottle Abundance Texture, Concretions
( inches) Horizon (Moist) (Moist) Size & Contrast Structure, etc,
0-3 Al 10YR212 NA NA Gravellv sandv loam
3-6 A2 IOYR4/3 NA NA GraveUv sandv loam
6-12+ A3 2,5Y5/3 2,5Y5/6 CCD Gravellv loamy sand
Hydric Soil Indicators (check all that apply)
- Histosol - Matrix chroma of::;2 with mottles
_ Histic Epipedon _ Mg or Fe Concretions
- Sulfidic Odor _ High Organic Content in Sumce Layer of Sandy Soils
_ Aquic Moisture Regime _Organic Streaking in Sandy Soils
_ Reducing Conditions _Listed on National/Local Hydric Soils List
Gleved or Low Chroma (= I ) matrix Other (Exnlain in R.ema:rkS)
Hydric Soils Preseot? Yes No
RationalelRemarks: There is evidence that water o.uctuates up into the upper soils from time to time, or that it did in the past. But soil colors
indicate that the matrix is well-drained the majority of the time.
Well.od Determioatioo
Hydrophytic vegetation present? Yes J:!Q Is the sampling point within a wetland? Yes J:!Q
Hydric soils present? Yes J:!Q
Wetland hydrology present? Yes 1:fu
NOTES:
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DATA FORM 1 (Revised)
ROUTINE WETLAND DETERMINATION
(1987 COE Wetlands Delineation Manual or WA State Delineation Manual)
Project/Site: Jefferson County Airport Date: 3-25-97
Applicant/Owner: Port of Port Townsend County: Jefferson
Investigator: Lisa Palazzi, Pesha Klein State: W A
Do Normal Circumstances exist on the site? Yes No Community ID: Wetland G
-
Is the site significantly disturbed (Atypical Situation)? Yes No Transect ID: wetland
Is the site a potential Problem Area? Yes No Plot ID:
(if needed, explain on reverse)
VEGETATION (for strata, indicate T=tree; S=shrub; H=herb; V=vine
Dominant Plant Soecies Stratum (o/oe) Indicator Dominant Plant Soecies Stratum Indicator
1. JUEF H FAC 9,
2. spoo S FACW 10.
3. RVCR H FACW lI,
4, POfR. S FAC+ 12.
5, AGSDD H FAC 13.
6. CAOB H OBL 14.
7, ROSDD S FAC 15,
8. 16.
HYDROPIIYI1C VEGETATION INDICATORS
Percent of Dominant Species that are OBL, F ACW or F AC :>50%
Check all indicators that apply, and explain below:
*Visual observation of plant species growing in .Physiological/reproductive adaptations -
areas of prolonged inundation/saturation. _X_ .Wetland plant database _X_
*Morphological adaptations - .Personal knowledge of regional plant communities -
*T echnicalliterature - *Other (explain) -
Hydropllytic vegetatioo preseot? Yes No
RationaleIRemarks:
More than half of the dominant vegetation is F AC or wetter,
HYDROLOGY
I s it the growing season? ~ No Water marks: ~ No Sediment deposits: yes no
Based on _ soil temperature (record temperature) on _surface of soil - on
-X- other (explain) Jefferson County Soil Survey
. Depth of inundation: inches Drift lines: Yes No Drainage patterns Yes No
Depth to free water in the pit: - 10 inches
Depth to saturated soil: - 6_ inches Oxidized root (live roots) channels Local Soil Survey: Yes No
< 12 inches Yes No
Check all that apply & explain below:
Stream, Lake or gage data: FAC Neutral: Yes No Water-stained leaves: Yes No
Aerial DhotOlD'aDhs Other
Wed.od hydrology prescot? Yes No
RationaleIRemarks: The surfitce soils are. finer textured and seem to be perching water ruMing off from the adjacent road 5Urfitce.
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Map Unit Name
(Series and Phase): San Juan lD'avellv sandv loam Drainage Class: Somewhat excessivelv drained
Taxonomy (Subgroup): ~ Field observations confirm maPPed type? Yes J:!Q (explain)_This soil is more poorly drained and finer
textured than the San Juan
Profile DescriDtion
Depth Matrix Color Mottle Colors Mottle Abundance Texture, Concretions
(inches) Horizon (Moist) (Moist) Size & Contrast Structure, etc,
0-3 AI 1OYR212 NA NA Gravellv sandY loam
3-6 A2 IOYR412 NA NA Gravellv SlIIldv loam
6-12+ A3 2 5Y5/2 2,5Y516 FCF GraveUv loamv sand
Hydric Soil Indicators (check all that apply)
- Histosol _ Matrix chroma of::J. with mottles
_ Histic Epipedon _ Mg or Fe Concretions
- Sulfidic Odor _X_ High Organic Content in Surfilce Layer of Sandy Soils
_ Aquic Moisture Regime _Organic Streaking in Sandy Soils
_X_ Reducing Conditions Listed on National/Local Hydric Soils List
Gleved or Low Chroma (=1) matrix - Other (ExDlain in RemarkS)
Hydric Soils Preseot? Yes ~
RationaleIRemarks: These soils are in an area that was probably once wetland, but has been at least partially drained by a large filcility about 50
teet to the south, The remnant soils are quite sandy with depth, but the surfilce soils are fine textured with high organic matter content They
appear to perch water draining from the adjacent road surfilce rather than have hydrology from the.baSe up.
Wetl..d Determin.tioB
Hydrophytic vegetation present? ~ No Is the sampling point within a wetland? ~ No
Hydric soils present? ~ No
Wetland hydrology present? ~ No
NOTES: This is a small depressional area directly adjacent to the highway. It receives direct road runoff, which appears to pond at the
surfuce for extended periods of time. This is not a pristine or beautiful system, but probably has a positive impact on stonnwater runoff
quality.
-."
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- . .
DATA FORM 1 (Revised)
ROUTINE WETLAND DETERMINATION
(1987 COE Wetlands Delineation Manual or W A State Delineation Manual)
Project/Site: Jefferson County Airport Date: 3-25-97
Applicant/Owner: Port of Port Townsend County: Jefferson
Investil!ator: Lisa Palazzi, Pesha Klein State: W A
Do Normal Circumstances exist on the site? Yes No Community ID: Wetland H
Is the site significantly disturbed (Atypical Situation)? Yes No Transect 10: upland
Is the site a potential Problem Area? Yes ~ Plot 10:
(if needed, explain on reverse)
VEGETATION (for strata, indicate T=tree; S=shrub; H=herb; V=vine
~:;
Dominant Plant Soecies Stratum <roe) Indicator Dominant Plant Soecies Stratum Indicator
I. FEID H FACU .9.
2_ AG Sa> H FAC 10_
3, 11.
4, 12,
5_ 13.
6. 14,
7, IS.
8, 16.
HYDROPBYI1C VEGETATION INDICATORS
Percent of Dominant Species that are OBL, FACW or FAC :<50%
Check all indicators that apply, and explain below:
*Visual observation of plant species growing in *Physiologicallreproductive adaptations -
areas of proloDged inundation/saturation. - *Wetland plant database -
*Morphological adaptations - *Personal knowledge of regional plant communities -
*Technical literature - *Other (explain) -
Hydropllytic vegetation preseot? Yes No
RationilleIRemarks:
The primary difference between upland and wetland vegetation in this area is the soft rush.
HYDROLOGY
::.
Is it the growing season? ~ No Water marks: Yes No Sediment deposits: yes no
Based on _ soil temperature (record temperature) on on .
A- other (explain) Jefferson County Soil Survey
Depth of inundation: inches Drift lines: Yes No Drainage patterns Yes No
Depth to free water in the pit: _8_ inches
Depth to saturated soil: - 4 - incbes Oxidized root (live roots) channels Local Soil Survey: Yes No
< 12 inches Yes No
Check all that apply & explain below:
Stream, Lake or gage data: F AC Neutral: Yes No Water-stained leaves: Yes No
Aerial ohotOlD'aohs Other .
Wetlaud hydrology preseot? Yes ~
~---- ~.
RationaleIRemarks: Long duration water table does not occur within 12 inches of the soil surface
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Map Unit Name
(Series and Phase):
Swantown lD'avellv sandv loam
Drainage Class: Somewhat ooorlv drained
... ... Uv
Taxonomy (Subgroup): ~ Field observations confirm mapped type? Yes J:!Q (explain)_Tbere is not enough of the profile exposed
to determine the soil , but in eneral, this is more ical Swantown
Profile DescriDtion
Depth
(inches) Horizon
Matrix Color
(Moist)
0-12+
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IOYR3f2
Mottle Colors
(Moist)
Mottle Abundance
Size & Contrast
Texture, Concretions
Structure, etc,
NA
NA
Oravellv sandY loam
Hydric Soil Indicators (check all that apply)
Histosol
_ Histic Epipedon
Sulfidic Odor
_ Aquic Moisture Regime
_ Reducing Conditions
01 ed or Low Chroma =1 matrix
Hydrie Soils Present? ~ e
RationaleIRemarks: These soils are saturated above a cemented substrate, but the cemented layer is deeper in the soil
Wed.od Determioatioo
Hydrophytic vegetation present? Y es ~
Hydric soils present? Yes No
Wetland hydrology present? Yes ~
NOTES:
_ Matrix chroma of:S2 with mottles
_ Mg or Fe Concretions
_ High Organic Content in Surfilce Layer of Sandy Soils
_Organic Streaking in Sandy Soils
Listed on NationaIlLocal Hydric Soils List
- Other E lain in Remarks
Is the sampling point within a wetland? Yes ~
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DATA FORM 1 (Revised)
ROUTINE WETLAND DETERMINATION
(1987 COE Wetlands Delineation Manual or W A State Delineation Manual)
1-1 vJ'-'
Project/Site: Jefferson County Airport Date: 3-25-97
Applicant/Owner: Port of Port Townsend County: Jefferson
Investigator: Lisa Palazzi, Pesha Klein State: W A
Do Normal Circumstances exist on the site? Yes No Community 10: Wetland ..,
-
Is the site significantly disturbed (Atypical Situation)? Yes No Transect 10: wetland
Is the site a potential Problem Area? Yes No Plot lD:
(if needed, explain on reverse)
VEGETATION (for strata, indicate T=tree; S=shrub; H=herb; V=vine
POminant Plant Soecies Stratumlo/oe) Indicator Dominant Plant Soecies Stratum Indicator
1. JUEF H FAC 9,
2. POAN S' FAC 10.
3, ROPI S FAC ll,
4. AI! SIlD H FAC 12,
5, 13_ ~
6_ 14.
7, IS,
8, 16.
HVOROPBYnC VEGETATION INDICATORS
Percent of Dominant Species that are OBL, F ACW or F AC :>50%
Check all indicators that apply, and explain below:
*Visual observation of plant species growing in *Physiological/reproductive adaptations -
areas of prolonged inundation/saturation. - *Wetland plant database _X_
*MorphoIogical adaptations - *Personal knowledge of regional plant communities _X_
*T echnicalliterature - *Other (explain) -
Hydropllytic ngetatioo prescot? ~ No
RationaleIRemarks:
The primaJy ditference between upland and wetland vegetation in this area is the soft rush,
HYDROLOGY
Is it the growing season? ~ No Water marks: Yes No Sediment deposits: yes no
Based on _ soil temperature (record temperature) on on
2L. other (explain) Jefferson Countv Soil Survev
Depth of inundation: inches Drift lines: Yes No Drainage patterns Yes No
Depth to free water in the pit: _8_ inches
Depth to saturated soil: - 4_ inches Oxidized root (live roots) channels Local Soil Survey: Yes No
<12 inches Yes No
Check all that apply & explain below:
Stream, Lake or gage data: F AC Neutral: Yes No Water-stained leaves: Yes No
Aerial hs Other
Wetlaod hydrology preseot? G>~
RationaleIRernarks: Long duration water table occurs within 12 inches of the soil surmce -~.... -.-.
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(Series and Phase):
Swantown I!l1Ivellv sandY loam
Drainage Class: Somewhat DOOdv drained
Taxonomy (Subgroup): ~ Field observations confirm mapped type? Yes J:!Q (explain)_ There is not enough of the profile exposed
to determine the soil , but in eneral this is more ical Swantown
Profile DescriDtion
Depth Matrix Color Mottle'Colors Mottle Abundance Texture, Concretions
(inches) Horizon (Moist) (Moist) Size & Contrast Structure, etc,
0-6 AI IOYR312 NA NA Gravellv sandv loam
6-12+ A2 2,5Y512 2.5Y5/6 MFD Gravellv sandv loam
Hydric Soil Indicators (check all that apply)
Histosol
_ Histic Epipedon
Sulfidic Odor
_X_ Aquic Moisture Regime
_X_ Reducing Conditions
Gl ed or Low Chroma =1 matrix
_ Matrix chroma of 9 with mottles
_ Mg or Fe Concretions
_ High Organic Content in Surfilce Layer of Sandy Soils
_Organic Streaking in Sandy Soils
Listed on NationallLocal Hydric Soils List
- Other E lain in Remarks
Hydrie Soils Prescot? Yes No
RationalefRemarks: These soils are saturated above a cemented substrate.
Wetland Determinatioo
Hydrophytic vegetation present? ~ No
Hydric soils present? ~ No
Wetland hydrology present? ~ No
Is the sampling point within a wetland? ~ No
NOTES:
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OAT A FORM 1 (Revised)
ROUTINE WETLAND DETERMINATION
(1987 COE Wetlands Delineation Manual or W A State Delineation Manual)
Project/Site: Jefferson County Airport Date: 3-25-97
Applicant/Owner: Port of Port Townsend County: Jefferson
Investigator: Lisa Palazzi, Pesha Klein State: W A
Do Normal Circumstances exist on the site? Yes No Community 10: Wetland J: ,
Is the site significantly disturbed (Atypical Situation)? Yes No Transect 10: wetland
Is the site a potential Problem Area? Yes No Plot 10:
(if needed, explaiIl on reverse)
VEGETATION (for strata., indicate T=tree; S=shrub; H=herb; V=vine
.:~
Dominant Plant Soecies Stratum (o/oe) Indicator Dominant Plant Soecies Stratum Indicator
1. POBA T FAC 9_
2, THPL T FAC 10_
3, cnco S Nt 11.
4, ABGR T FACU 12.
5, JUEF H FAC 13,
6, EOHY H FAC 14.
7, MlSC GRASSES IS,
8.~ 16,
HYDROPBYI1C VEGETATION INDICATORS
Percent of Dominant Species that are OBL, FACW or F AC :>50%
Check all indicators that apply, and explain below:
*Visual observation of plant species growing in .Physiological/reproductive adaptations -
areas of prolonged inundation/saturation, _X_ .Wetland plant database _X_
*Morphological adaptations - *PersonaJ knowledge of regional plailt communities -
*T echnicalliterature - *Other (explain) -
Hydrophytic vegetation prescot? Xg ~
RationaleIRemarks:
There are two distinct wetland areas _ a forested component in the northwest corner, and primarily herbaceous and scrub-shrub in the rest of the
wetland.
~:..
HYDROLOGY
Is it the growing season? ~ No Water marks: Yes No Sediment deposits: yes no
Based on _ soil temperature (record temperature) on on
-X- other (explain) Jefferson County Soil Survey
Depth of inundation: inches Drift lines: Yes No Drainage patterns Yes No
Depth to.free water in the pit: <6_ inches
Depth to saturated soil: - <3 - inches Oxidized root (live roots)'channels Local Soil Survey: Yes No
<12 inches Yes No
Check all that apply & explain below:
Stream, Lake or gage data: FAC Neutral: Yes No Water-stained leaves: Yes No
AerialphotolUllphs Other
Wetlud hydrology present? Xg No
RationaleIRemarks: The water table occurs at less than 12 inches from the sumce.
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Map Unit Name
(Series and Phase): Swantown lD'avellv sandv loam Drainage Class: Somewhat DOOrlv drained
Taxonomy (Subgroup): ~ Field observations confirm maPPed type? Yes J:!Q (explain)_ There is not enough of the profile exposed
to determine the soil ivne. but in ~enera1, this is much more DOOrlV drained than the tvDical Swantown soil
Profile Descrintion
Depth Matrix Color Mottle Colors Mottle Abundance Texture, Concretions
( inches) Horizon (Moist) (Moist) Size & Contrast Structure, etc,
0-6 Al IOYR2/1 NA NA Gravellv sandY loam
6-12+ A2 2.5Y512 2 5Y516 CCD Gravellv sandv loam
Hydric Soil Indicators (check all that apply)
- Histosol _ Matrix chroma of:S2 with mottles
_ Histic Epipedon _ Mg or Fe Concretions
- Sulfidic Odor __ High Organic Content in Sumce Layer of Sandy Soils
_X_ Aquic Moisture Regime _Organic Streaking in Sandy Soils
_X_ Reducing Conditions _Listed on National/Local Hydric Soils List
Gleved or Low Chroma (=1) matrix Other (EXDlain in RemarkS)
Hydric Soils Preseot? Yes No
RationaleIRernarks: Soil colors indicate that the soils are saturated for extended periods at less than 12 inches from the soil sumce.
, ..
Wed.nd Determio.tioo
Hydrophytic vegetation present? ~ No Is the sampling point within a wetland? Ya No
Hydric soils present? Ya No
Wetland hydrology present? ~ No
NOTES:
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Map Unit Name
(Series and Phase): Swantown lD'avellv loam Drainage Class: Somewhat ooorlv drained
Taxonomy (Subgroup): ~ field observations confirm mapped type? Yes J:!Q (explain)_This soil has a mucky surface, unlike the
Swantown,
Profile DescriDtion
Depth Matrix Color Mottle Colors Mottle Abundance Texture, Concretions
( inches) Horizon (Moist) (Moist ) Size & Contrast Structure, etc.
0-10 A IOYR2/l NA NA Muck
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J Hydric Soil Indicators (check all that apply)
- Histosol _ Matrix chroma of ~ with mottles
_X _ Histic Epipedon _ Mg or Fe Concretions
_X_ Sulfidic Odor _X_ High Organic Content in Surface Layer of Sandy Soils
_X_ Aquic Moisture Regime _Organic Streaking in Sandy Soils
_X_ Reducing Conditions Listed on NationallLocal Hydric Soils List
Gleved or Low Chroma (= I) matrix - Other (ExDlain in RemarkS)
Hydrie Soils Prescot? Xu No
RationaleIRernarks: Organic soil with current hydrology
Well.od Determioatloo
Hydrophytic vegetation present? ~ No Is the sampling point within a wetland? ~ No
Hydric soils present? ~ No
Wetland hydrology present? ~ No
NOTES:
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DATA FORM 1 (Revised)
ROUTINE WETLAND DETERMINATION
(1987 COE Wetlands Delineation Manual or W A State Delineation Manual)
Project/Site: Jefferson County Airport Date: 3-25-97
Applicant/Owner: Port of Port Townsend County: Jefferson
Investigator: Lisa Palazzi, Pesha Klein State: W A
Do Normal Circumstances exist on the site? Yes No Community 10: Wetland :r
Is the site significantly disturbed (Atypical Situation)? Yes No Transect 10: Flag 2- wetland
Is the site a potential Problem Area? Yes No Plot 10:
(if needed, explain on reverse)
VEGETATION (for strata, indicate T=tree; S=shrub;H=herb; V=vine
Dominant Plant Soecies Stratum Indicator Dominant Plant Soecies Stratul11 Indicator
1. RUDI- S FACU 9, RONU- S FAC
2, ROP1 S FAC 10.
3, ALRU T FAC II.
4. PSME- T FACU 12,
5, Indian c1mn- S FACU 13.
6, HOLA* H FAC 14,
7, Cin:imn SIlIl H FACU IS.
8. RlnlR V FACU 16.
H'YDROPBYI1C VEGETATION INDICATORS
Percent ofDorninant Species that are OBL, FACW or FAC:- = dominants; 33% areAc or wetter
Check all indicators that apply, and explain below:
*Visual observation of plant species growing in -Physiological/reproductive adaptations -
areas of prolonged inundation/saturation, -1L *Wetlandplant database -
*Morphological adaptations - -Personal knowledge of regional plant communities .--A..-
*T echnicalliterature - *Other (explain) -
Hydropbytic vegetatioD present? Yes No -
RationaleIRemarks:
The upland dominnants are rooted on hummocks - the plants rooted in the wetland are hydrophytic,
HYDROLOGY
'"rr
Is it the growing season? ~ No Water marks: Yes No Sediment deposits: yes no
Based on _ soil temperature (record temperature) on on
..L other (explain) Jefferson Countv Soil Survey
Depth of inundation: inches Drift lines: Yes No Drainage patterns Yes No
Depth to free water in the pit: ~ inches
Depth to saturated soil: 0" inches Oxidized root (live roots) channels Local Soil Survey: Yes No
<12 inches Yes No
Check all that apply & explain below:
Stream, Lake or gage data: F AC Neutral: Yes No Water-stained leaves: Yes No
Aerial Photol!1llDhs Other
Wellaod bydrology preseDt? Yes No
RationaleIRemarks: The current water table is at less than 3 inches from the soil surfilce, an appears to be at that depth for extended periods.
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Map Unit Name
(Series and Phase): Swantown lD'avellvloam Drainage Class: Somewhat ooorlv drained
Taxonomy (Subgroup): ~ Field observations confirm mapped type? Yes J:!Q (explain)_ This soil has a mucky surface, unlike the
Swantown.
Profile Descrintion
Depth Matrix Color Mottle Colors Mottle 'Abundance Texture, Concretions
(inches) Horizon (Moist) (Moist) Size & Contrast Structure, etc.
0-10 A 1OYR2/1 NA NA Muckv fine sands
Hydric Soil Indicators (check all that apply)
Histosol _ Matrix chroma of $.2 with mottles
_X_ Histic Epipedon _ Mg or Fe Concretions
- Sulfidic Odor _X_ High Organic Content in Surface Layer of Sandy Soils
_X_ Aquic Moisture Regime _Organic Streaking in Sandy Soils
_X_ Reducing Conditions _Listed on National/LocaI Hydric Soils List
Oleved or Low Chroma (= I) matrix Other (Exnlain in Remarks\
Hydric Soils Prcseot? fi.! No
RationaleIRemarks:
The surface soils have a muckv mineral texture as well as current hvdrolOllY
Wedaad Determioatioo
Hydropbytic vegetation present? ~ No Is the sampling point within a wetland? ~ No
Hydric soils prescOt? ~ No
Wetland hydrology present? ~ No
NOTES: This data point is taken at the toeslope where water from upslope areas collects and stands throughout most of the winter
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DATA FORM 1 (Revised)
ROUTINE WETLAND DETERMINATION
(1987 COE Wetlands Delineation Manual or W A State Delineation Manual)
Project/Site: Jefferson County Airport Date: 3-25-97
Applicant/Owner: Port of Port Townsend County: Jefferson
Investie:ator: Lisa Palazzi, Pesha Klein State: W A
Do Normal Circumstances exist on the site? Yes No Community 10: Wetland ~
Is the site significantly disturbed (Atypical Situation)? Yes No Transect 10: Flag 2- upland
Is the site a potential Problem Area? Yes No Plot 10:
(if needed, explain on reverse) ,
VEGETATION (for strata, indicate T=tree; S=shrub; H=herb; V=vine
Dominant Plant SllCCies Stratum Indicator Dominant Plant Soecies Stratum Indicator
1. RUDI S FACU 9.
2, ROPI S FAC 10.
3. ALRU T FAC 11.
4, PSME T FACU 12,
S. 13.
6, 14.
7. 15.
8, 16,
HYDROPBYIlC VEGETATION INDICATORS
Percent of Dominant Species that are OBL, F ACW or F AC : <50%
Check all indicators that apply, and explain below:
*Visual observation of plant species growing in *Physiological/reproductive adaptations -
areas of prolonged inundation/saturation. - *Wedand plant database -
*Morphological adaptations ~ "Personal knowledge of regional plant communities -
*T echnicallitera:ture - *Other (explain)
Hydrophytle vegetatioo preseot? Yes ~
RationaleIRemarks:
Less than 50% of the dominant species are F AC or wetter,
HYDROLOGY
Is it the growing season? ~ No Water marks: Yes No Sediment deposits: yes no
Based on _ soil temperature (record temperature) on on
-X- other (explain) Jefrerson County Soil Survev
DePth of inundation: inches Drift lines: Yes No Drainage patterns Yes No
Depth to free water in the pit: >12 inches
Depth to saturated soil: inches Oxidized root (live roots) channels Local Soil Survey: Yes No
<12 inches Yes No
Check all that apply & explain below:
Stream, Lake or gage data: F AC Neutral: Yes No Water-stained leaves: Yes No
Aerial hs Other
Wed.lld hydrology preseot?' Yes No
RationaleIRemarks: There is no current water table within 12 inches of the soil surmce, nor is there evidence that one exists under normal
circumstances.
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SOILS J" ~~ "t ' VI-
Map Unit Name
(Series and Phase): Swantown l!ravellv loam Drainage Class: Somewhat ooorlv drained
Taxonomy (Subgroup): ~ Field observations confirm mapped type? Yes J:!Q (explain)_ There is not enough of the soil profile to
determine if this is a Swantown soil.
Profile Descriotion -
Depth Matrix Color Mottle Colors Mottle Abundance Texture, Concretions
( inches) Horizon (Moist) . (Moist) Size & Contrast Structure, etc,
0-10 A IOYR212 NA NA SandY loam
.,
Hydric Soil Indicators (check all that apply)
Histosol - Matrix chroma of 9 with mottles
_ Histic Epipedon _ Mg or Fe Concretions
- Sulfidic Odor _ High Organic Content in Surf.lce Layer of Sandy Soils
_ Aquic Moisture Regime _Organic Streaking in Sandy Soils
_ Reducing Conditions Listed on NationallLocaI Hydric Soils List
Gleved or Low Chroma (=1) matrix - Other (EXDlain in Remarks) .
Hydric Soils Preseot? Yes ~
RationaleIRemarks:
The surfilce soils are well-drained, although dark-colorcd Otherr than color, there is no other indicator that the soils are saturatedfor extended
oeriods of tienL
Wedaod OeterrmioatioD
Hydrophytic vegetation present? Yes J:!Q Is the sampling point within a wetland? Yes J:!Q
Hydric soils present? Yes J:!Q
Wetland hydrology present? Yes J:!Q
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NOTES: The wetland is downslope -- in a toeslope position. This area is too far upslope
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DEPARTMENT OF THE ARMY
SEATTl.E DISTRICT. CORPS OF ENGINEERS
P.O. SOX 3755
SEATTLE, WASHINGTON 98124.22511
11I:.L,. TO
ATTIHT"IDH 0'
Regulatory Branch
SEP I 6 1996
Jefferson County International Airport
Port of Port Townsend
Post Office Box 1180
Port Townsend, Washington 98368
Reference:
96"4-01742
Jefferson County
International Airport
. Gentlemen:
We have evaluated your revised proposal to discharge fill
material in 0.9 acre of wetlands which are above the headwaters
to construct two hangars and a taxiway. This project is shown on
plans provided to the Corps of Engineers by kpff Consulting
Engineers dated September 11, 1996. Department of the Army
regulations dated November 22, 1991, authorize certain activities
under nationwide permits, provided the enclosed conditions are
met. Nationwide Permit 26 (Part 330, Appendix A) authorizes
discharges of dredged or fill material into nontidal rivers,
streams, and their lakes and impoundments, including adjacent
wetlands, that are located above the headwaters where the average
annual flow is less than 5 cubic feet per second. Your project
is authorized by this nationwide permit.
The entire text of Nationwide Permit 26 is enclosed.
Prior to placing fill, you must contact the Washington State
Department of.Ecology to determine whether documented habitat for
a state listed species is present. If present, this nationwide
permit is not valid and you must contact us again to determine
permit requirements. Please contact:
State Nationwide Permit Coordinator
.Department of Ecology
P.O. Box 47600
Olympia, WA '98504-7600
Telephone (360) 407-6917
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This verification will be valid for a period of 2 years from
the date of this letter or until the nationwide permit is
modified, reissued, or revoked. This nationwide permit is
scheduled to expire January 21, 1997, but is expected to be
reissued. The verification will remain valid for the 2 years if
reissuance of this nationwide permit is not modified or your
proposed work complies with any subsequent modification.
If in the future you propose to place additional fill in
waters of the United States, including wetlands, on this site,
you must contact us concerning any additional permit
requirements. While you need no further authorization from us,
you must still comply with other Federal, State, and local
requirements which may pertain to the work. If you have any
questions, please contact Mr. Jack Gossett at the above address
: or by telephone at (206) 764-6902.
Sincerely,
;:..-.;
Robert H. Martin
Chief, Processing Section
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Enclosures
Copy Furnished:
Cayla Morgan
Federal Aviation Administration - Airports
1601 Lind Avenue SW
Renton, Washington 98055
Lisa Palazzi /
Pacific Rim Soil and Water
203 4th Avenue E, Suite 321
Olympia, Washington 98506
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DEPARTMENT OF THE ARMY
SEArr1.-~ DISTRIC1'. CORf'5 OF ENGINEERS
P.O. BOX 3755
SEATTLI!. WASt41NGTON 9812..Z25S
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Regulatory Branch
AUG 2:1
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Mr. Bob Miulli
Port of Port Townsend
P.O. Box 1180
Port Townsend. Washington 96368
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Reference:
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96~-01629
Po of Port
To send
Dea:t: Mr. Miulli:
On August 22, 1996. Mr. ~aul Hamidi of my staff met, with Ms.
Lisa Palazzi of Pacific Rim Soil &. Water to review various
wetland regulatory issues with respect to the proposed
developments at the Jefferson County International Airport. The
following points were d~scussed: .
1) A drainage swale was created between the east end of the
runway and SR 19 in 1989 or 1990. The work may have be~n done in
wetlands. based on landscape position. However, there are no
records indicating that the area was in fact a wetland. In any
case, the U.S. Army Corps of Engineers (Corps) will not. be taking
~nforcetn~nL action .involving this work bccaune a) excavation in
wetlands did not become a regulated activity until sept~mber,
1993; b) the work was completed over five years ago antl is
therefore beyond the statute of limitations for legal aFtions.
2) Ms. Palazzi indicated that ~ small area of wetl~nds ,
adjacent to the accesS road off SR 20 (in tbe northwestl part of
the airport) had been filled in 1992. No evidence of fill in
wet~ands was found in this area. i
3) The wetland d~linenr.ion (enclo~~d) for the proposed
widening of the access road off, SR 20 was confirmed by Mr.
Hamidi. The wetlands are considered to be It above the headwaters ,t
(definition enclosed) for the purposes of Nationwide Permit 26
(enclosed). Nationwide permit 14 (enclosed) may also apply to
the work if the "Notification" condition is met.
4) The site of the proposed tiedown apron expansion as
depicted on the enclosed map was inspected for jurisdictional
wetlands. No wetlands were found. A permit from the Corps will
not be needed for work in this area.
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5) The site of the proposed taxiway anq eaxilanes as
depicted on the enclosed map was inspected for jurisdiC~ional
wetlands. wetlands were found to exist on at least part of a
linear flst at ~id slope. It appears,ch1s area was leveled in
the pas~ and may have been an old r\lDway. Although wetland
hydrology cannot be confirmed at this time, hydric soiljs and '
hydrophytic vegetation are present. These wetlands ara
considered "above the heachlaters- for the' purposes of !lationwide
Permit 26. A complete wetland delineation will be' needled on this
.site to determine potential impacts to wetlands I Nati wide
pe:t'1l\it 26 applies to impact.s of less than Ql1~ acre (wi" out
notification). wetland impacts on the entire ai~rt operty
. (such as the road widening) are counted towa.rd the' one ere.
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Please contact Mr. Paul Hamidi, telephone (206) 764:-5531, if
you have any questions about this let ter.
Sincerely,
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1TChief, Enforcement sect~on
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REPLY TO
ATTE,..TION OF
DEPARTMENT OF THE ARMY
SEATTLE DISTRICT. CORPS OF ENGINEERS
P.O. BOX 3755
SEATTLE, WASHINGTON 98124-2255
rSEP 1 2 1991 RE~
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Regulatory Branch
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Lisa Palazzi
Pacific Rim Soil. & Water
203 4th Avenue East, Suite 621
Olympia WA
Dear Ms. Palazzi:
Reference: 97-4-01740
Port of Port Townsend
We have received the application for a Department of the Army
wetland confirmation and jurisdictional determination on the
'Jefferson County International Airport that you submitted on
behalf of the Port of Port Townsend. We have assigned the file
number 97-4-01740 to this project. Please refer to this number
in all future correspondence concerning this project.
e
We have scheduled a site visit to confirm the wetland
boundaries on this site for October 21st and 22nd. Please
confirm that you can meet us on site on those dates. To assist
us in the field work, please provide large scale surveys of the
entire property which clearly show all wetland boundaries as you
have delineated them. The surveys should be to scale (or at
:least with dimensions). The small sheets you provided with the
report are not adequate for our use in the field.
If you have questions or comments, please call me at (206)
764-6902.
Sincerely,
,-' 7 ----- 7/--
( /Ir. /' ~~P' ~
/ ~
~ Jack Gossett
Senior Project Manager
Processing Section
Copy Furnished:
Bob Miulli
Port of Port Townsend
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RECEiVED
APPENDIX C J1tl ! :s 2ml8
WETLAND DELINEATION METHODOLOGY
The triple parameter approach was used to delineate wetlands on the site descritlllfi~~~kI\.JJ&R~~~\ J.J.~.k\-
Methodologies used were from the U.S. Army Corps of Engineers (USACE) Wetland Delineation
Manual (USACE 1987) and the Washington State Department of Ecology (Ecology) Washington State
Wetlands Identification and Delineation Manual (Ecology 1997). These methodologies require
evaluating vegetation, soils, and hydrology to determine the presence or absence of wetlands. A
determination of the presence of wetland habitat was made on this site using the routine delineation
,~
method. Data from wetland and upland plots were recorded on the routine wetland determination data
forms to determine the boundaries of the wetlands.
An area is determined to be wetland if all of the following conditions are met: the dominant
vegetation is hydrophytic, soils are hydric, and wetland hydrology is present: Each of these parameters is
described in more detail in the following sections.
WETLAND VEGETATION
Hydrophytic plants are those species that are adapted to saturated and/or anaerobic conditions.
These plants are typically found in areas where the frequency and duration of inundation produce
permanently or 'periodically saturated soil conditions. Several indicators are used to determine the
presence of hydrophytic vegetation.
The USACE and the U.S. Fish and Wildlife Service have assigned an indicator status to many
plant species, based on the estimated probability of the species existing in wetland conditions (see Table
1). Plants with an indicator status of obligate (OBL), facultative wet (FACW), or facultative (FAC) are
considered to be adaptive to wetland conditions. The strongest indicator for hydrophytic vegetation is
when greater than 50 percent of the dominant plant species have an indicator status of OBL,FACW, or
FAC.
TABLE 1
DEFINITIONS OF PLANT INDICATOR STATUS
Indicator Status Category Wetland/Non-Wetland Occurrence
OBL - Obligate wetland plants Occur in wetlands, under natural conditions, approximately 99 percent of the time.
FACW - Facultative Wetland plants Occur in wetlands approximately 67 to 99 percent of the time.
FAC - Facultative plants As likely to be found in wetlands as in non-wetlands, approximately 34 to 66
percent of the time,
FACU - Facultative Upland plants Occur in wetlands approximately 1 to 33 percent of the time.
UPL - Obligate Upland plants Occur in non-wetlands, under natural conditions, approximately 99 percent of the
time.
NI - No Indicator Assumed to be upland, not given an indicator status.
Source: (Reed 1988, revised 1993)
06115/05 S:\PROJECTSI304\005\File Room\R\Wetland Delineation_apc.doc
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made at these plots. Soil organic content was determined visually and texturally and soil color was
determined using the Munsell Soil color chart. Water saturation and/or inundation was also observed.
Soil that met the hydric characteristics for color and saturation were determined to be wetland soils.
Other hydric characteristics present were also noted on the data forms.
WETLAND HYDROLOGY
Areas with evident characteristics of wetland hydrology are those where the presence of water has
an overriding influence on characteristics of vegetation and soils due to anaerobic conditions. These
characteristics are typically present in areas that are inundated or have soils that are saturated to the
surface for a sufficient duration during the growing season to both develop hydric soils and support
hydrophytic vegetation.
Wetland hydrology was considered to be present in areas where observed characteristics indicated
that inundation was present for at least 5 to 12 (12 to 29 days) percent of the growing season. The Seattle
District USACE considers 14 consecutive days of inundation or soil saturation to meet this parameter.
The growing season begins when the soil reaches a temperature of 41 degrees Fahrenheit in the root zone.
In western Washington, the growing season is typically considered to be March 1 to October 31.
Hydrology of the site was determined using direct visual observation of soil saturation or
inundation over the entire site and at each soil data plot to 18 inches below ground surface. Information
was recorded on the data forms. Wetland hydrology was considered to be present in areas of inundation
and/or saturated soils (depending on the soil texture). Positive indicators were also noted, such as dried
watermarks, drift lines, sediment deposits, and drainage patterns. These indicators assisted in evaluating
whether wetland hydrology was present for at least 14 consecutive days during the growing season.
REFERENCES
Reed, Jr., Porter B. 1988, revised 1993. National List of Plant Species That Occur in Wetlands:
Northwest (Region 9). U.S. Fish & Wildlife Service BioI. Rep. 88 (26.9). Washington, DC.
Ecology. 1997. Washington State Wetlands Identification and Delineation Manual. Publication No.
96-94. Washington State Department of Ecology. Olympia, Washington. March.
USACE. 1987. U.S. Army Corps of Engineers Wetland Delineation Manual. Technical Report Y-87-1.
U.S. Army Corps of Engineers, Waterways Experiment Station. Vicksburg, Mississippi. March.
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JUL 2 3 2008
.'n DATA FORM
JHftflSON ~UUNf1R..qtmNE WElLAND DETERMINATION
Data Point: \ of
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Project/Site: ::r(~~ - v+ \c;}.:r::. j2..y:4e!-n'6\.c........
ApplicanUOwner: Pc;d-""' ",'F P+' "I'~n'-"-i: <~.O
Investigator: .r... is..-l..:u.;<.../O, e'I""''-'''''~<. Job #:
Date: S -,q.- Crt
City:
County: 'r",r~-'f k\ n
State: c,..] 1+
Have vegetation, soils, or hydrology been disturbed: Yes No
Is the area a potential Problem Area: Yes No
(If needed, explain on reverse.)
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VEGETATION
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Dominant Plant.Species Stratum % Cover Indicator Dominant Plant Species Stratum % Cover Indicator
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4. (.Or'M~. >+"01, 5 'L'S ,P--CW 4.
5. E-t~ I " t., feJ.,..,\ l-I 1:;- fALl..--' 5.
6. (".....\1;>'1 CJ1..f1U1f1 k 1-1 In obI, 6.
7. R;~ IA.~' \,;.i"l lA'S -Lf- rAG-'r 7.
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8. 8.
Percent of Dominant Species that are OEL,
FACVV or FAC (except FAC-). "'-Dominant species. \DD
Cowardin Classification: F=on~,5teJ (p FO ')
Remarks: D~Jl j:;~ c.J.r-........,J s""....l>o >"''3 ~ a.....:{CJ. ~,~ b-~ f' ~..,.-..u v...-ZtL- ~-
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Recorded Data (Describe in Remarks):
- Stream, Lake, or Tide Gage
_ Aerial Photograph
'\! _ Other
-f-5t No Recorded Data Available
Wetland Hydrology Indicators
Depth of Surface Water:
Depth to Free Water in Pit: ~
Depth to Saturated Soil: 0
(in.)
(in.)
(in.)
Inundated
)( Saturated in Upper 12 Inches
Y\ \ ~ Water Marks ~,,~
Water Lines
Sediment Deposits
L Drainage Patterns in Wetlands
_' Oxidized Root Channels in Upper
12 Inches
l Water-Stained Leaves
Local Soil Survey Data
Other (Explain in Remarks)
Field Observations:
Remarks:
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Map Unit Name: Drainage Class:
Field Observations J ;
Taxonomy (Subgroup): Confirm Mapped Type? Yes No
Profile Description:
Depth Matrix Color Mottle Colors MottIe Texture, Concretions,
(inches) (Munsell Moist) (Munsell Moist) Abundance/Contrast Rhizosoheres, etc.
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- Ristic Epipedon ....-:L High Organic Content in Surface Layer
Sulfidic Odor . f Organic Streaking
- -
* Probable Aquic Moisture Regime - List~ on Local Hydric Soils List
Reducing Conditions - Listed on National Hydric Soils List
Gleyed or Low-Chroma Colors - Other (Explain in Remarks)
. ~(J-'v--.J.\ J) @ . ,,5<-.,-. ( (.q Qt:.' ~tq,-;J "") <.vel [Go' Q'~. 3d'
Remarks:
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WErLAND DETERMINATION
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Hydrophytic Vegetation Present?
Hydric Soils Present?
Wetland Hydrology Present?
Remarks:
Is this Data Point Within a Wetland? ~. No
No
No
No
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DATA FORM:
ROUTINE WETLAND DETERl\1INATION
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Project/Site: -SL ~\ - l01-1(~ ,__u'IT""-'" . Date: sfe/o2..
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Applicant/Owner: pI. <-i p; -"" (1 City: ' I
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Investigator: RAe:, . DL~ Job #: Co9600 \ County: ::r~~,~
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Have vegetation, soils, or-hydrology been disturbed: Yes
Is the area a potential Problem Area: Yes
(If needed, explain on reverse.)
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VEGETATION
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Dominant Plant Species Stratum % Cover Indicator Dominant Plant Species Stratum % Cover Indicator
Polmv-", H (-)0 j'J:r. A/h ftAb I -:b F1tC ;
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2. U,l, (riG ' I 2.. FAC +- 2. AbC' c\l'C,f'1 ~ .s ....., wr.
1-' '7
3. (<'-II--, ,. 2.., Fi)-( + .j
~.D~ r.., '> 3.
4. SCl....h rqc..., S '- r'A( u P 4.
5. rit! !\~" \'(:e.- S 10 'fiK 0, P 5.
6. ~() i,C\.I,C: ''1"" 7~;;; . ~Ac... 6.
7. Ih.....l P 11(, I Lio PAL 7.
8. Ace.< frlotr --r- J- Ad'1F=rKlA 8.
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Percent of Dominant Species that are OEL, ::re;-
F ACW or F AC (except F AC-). *-Dominant species.
Cowardin Classification: UI)L
Remarks: RECEIVE" Q>
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JEffERSON COUNlY OCU
Recorded Data (Describe in Remarks):
- Stream, Lake, or Tide Gage
_ Aerial Photograph
Other
No Recorded Data Available
Wetland Hydrology Indicators
Depth of Surface Water:
Depth to Free Water in Pit:
Depth to Saturated Soil:
(in.)
(in.)
(in.)
Inundated
Saturated in Upper 12 Inches
Water Marks
Water Lines
Sediment Deposits
Drainage Patterns in Wetlands
Oxidized Root Channels in Upper
12 Inches
Water-Stained Leaves
Local Soil Survey Data
Other (Explain in Remarks)
.x
Field Observations:
Remarks:
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SOILS
Data Point: '2- of
Map Unit Name: Drainage Class:
Field Observations
Taxonomy (Subgroup): Confirm Mapped Type? Yes No
Profile Description:
Depth Matrix Color Mottle Colors Mottle Texture, Concretions,
(inches) (Munsell Moist) (Munsell Moist) Abundance/Contrast RhizosPheres. etc.'
n-fo" \ t'\vtL Vz.-/ - (1) . I
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Hydric Soil Indicators: j'Jol/'VL
- Histosol - Concretions
- Histic Epipedon - High Organic Content in Surface Layer
- Sulfidic Odor - Organic Streaking
- Probable Aquic Moisture Regime - Listed on Local Hydric Soils List
Reducing Conditions - Listed on National Hydric Soils List
- Gleyed or Low-Chroma Colors - Other (Explain in Remarks)
Remarks: D'1 I~ 1:7 f~ F IT'flP D
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WETLAND DETERMINATION
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Hydrophytic Vegetation Present?
Hydric Soils Present?
Wetland Hydrology Present?
Remarks:
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~_.,.No .....""
Yes ,~\ Is this Data Point Within a Wetland? Yes 0~~.)
Yes /Noj
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Data Point: -L of i
DATA FORM
JEffERSON COUNIY oem ROUTINE WETLAND DETERMINATION
P 'ectJS' 1'/.!\ Date: i-,' '" -::} .. C?.
ro] Ite:', '",:r.
Applicant/Owner: 'r?-nJ,.. ~(~J ~.....r\r ~'"TU) \.'~~:ev"(j City:
In tOg to . 0 B 1"J " , Job #. " '1.C\'''('' County: ".rc'U~,.; 5o(t'
yes 1 a r. "rc:'u..<"'ir.r:I'''N'"t..'~r .0' IL,t__.1
q~ State: t,,) ~."
Have vegetation, soils, or -hydrology been disturbed: No \: 'J \ K- '2> .?_-."L\
Is the area a potential Problem Area: Yes @ 1.0 '((>
(If needed, explain on reverse.)
........
./....
.-r....
-.-
VEGErATION
Dominant Plant Species Stratum % Cover Indicator Dominant Plant Species Stratum % Cover Indicator
l.j3CJ\'"\~\'\( z..-6~,'i?'~ tI L..l 'F,A.c IA) l.
2. j ,,""<:1. ',(~(.",,,~ d "'i'lC i<l.l'.oCti '( .f.J 1..- Ni 2.
.. 3. H~( ,AA I;. {\ ,,'h. <:., H 22- F P\ c.. 3.
4. ,c)q (p. H ~o pAC 4.
5. Pl,,~,'\"". "^ .r H :5 F~' j)"i- 5.
6. J~'i'}lr~ :R - H '2- N\ 6.
e"" nc',,_<;
7. 7.
8. 8.
Percent of Dominant Species that are OBL, -~ ~~\S ,-\-G~. G Q) ~ . ~(~Jl
FACW or FAC (except FAC-). *-Dominant species, CiA.. ~..(\' . .
.
Cowardin Classificition: II ~.Q..~,,^d
,,' M. -j?J--( ~ <:l'\a...~)
Reinarks: n_"'-lq
HYDROLOGY
,\X
Recorded Data (Describe in Remarks):
_ Stream, Lake, or Tide Gage
_ Aerial Photograph
..;x:. Other- V1{i~ wct1",,,J ( ep,
L ~ Recorded Data Available
~g
Wetland Hydrology Indicators
Inundated
Saturated in Upper 12 Inches
Water Marks
Water Lines
Sediment Deposits
Drainage Patterns in WetIands
Oxidized Root Channels in Upper
12 Inches
Water-Stained Leaves
Local Soil Survey Data
Other (Explain in Remarks)
Remarks: :i..o.-:>- .soil r'~,,",<o..,J::.(- (.4q)" yvsk.-Jo.."r-' ~'f'p.c"'" .5c~J .>o....crvs:::J, -cL~...A kL..._.1
--n~;; lJ.. +- 'j ^ I ?We' yf e /.e vu, ~ G'r.. <T~ c..\......:d~ J ;;;.
Field Observations:
Depth of Surface Water:
Depth to Free Water in Pit:
Depth to Saturated Soil:
2t
(in.)
(in.)
(in.)
. r t1 . ''''~ fY*''l"' V""""{ ',- J
~) ;...A ~ i -1
~rr>t} I ~.t I Jlj
JI) L
" C)' '1 ""~~.
.<,1,..
~ V ,"_, I
Data Point:
of
SOILS
,r.-rf r Il,!."r!tr,,~"V --':'q
w~e I Ibl:w .. ~ - - '
Map Unit Name: D~age Class:
Field Observations
Taxonomy (Subgroup): Confirm Mapped Type? Yes No
Profile Description:
Depth Matrix Color Mottle Colors Mottle Texture, Concretions,
(inches) (Munsell Moist) (Munsell Moist) Abundance/Contrast Rhizospberes. etc.
"'\ . f' I C' './{z. J 1 ....~ .' , -1.,.
D.l] I ".,' It,. .1,..' ;1Jm~~. A J Dt...e ~IHy Jo.. 0. }"...... - \''1 c; j " i
., -..... , , , "
M .' .;-, ., "r-l 1 ,." . I
IS' 11 11 ~ (..:yt\.".tf~ (i :----"" ~ 1.c. ~i) ".Q~\._;(...)
r.'" I\)'- 'ft.] 1 ' '/
.' .:'..
. . -- . ';\; I t.....'\..,~7 I ! . , " q
1 ::. . (. -'t;;~t' -, _
I ~-- 15 IO"(rzs-Z. ! ()I"-j' (1-1112... I /,~ 6. ,.."
!' I C !eU1
J
',:'~'
"
Hydric Soil Indicators:
- Histosol Concretions
-
- Histic Epipedon - High Organic Content in Surface Layer
- Sulfidic Odor - Organic Streaking
- Probable Aquic Moisture Regime - Listed on Local Hydric Soils List
'X. Reducing Conditions Listed on National Hydric Soils List
Y: -
Gleyed or Low-Chroma Colors Other (Explain in Remarks)
~. -
Remarks: wod,;.", 1, h~ ,'.;: q Lr j-,. pct~...J(J Z yi',~, c'50 -: C\.6 ~ '::::3-;,..., PC'LV.:. { n\ k.. ; .
pC F'1("(;- s;~~ 'C\~\t(.~.q's' ctPf'-:(c.\..: \-6 hit. ;.:(. r''''jv<.nc:.l''+- c..1. ~ hyA'\dic:r( f::::-"'Gt,t:;<;!'l1'~_
~o. ! ''>'\ (.W, ';- 0 n .s t., r ~ 0. <:..0 bv-J ~--'V-. t..) ~)" .
€I
WETLAND DETERMINATION
Hydropbytic Vegetation Present? Yes Q~) ':;';::-;;;"1
Hydric Soils Present? 6y~es'-'''' ~~NC;;:oo::::;;') Is this Data Point Within a Wetland? Yes( No ./
Wetland Hydrology Present? t i~ -~--'
Remarks: t~~~\:,\- ".~~. '-\\;~ G~c~'\-d..\:'.c'" c."'- h,;\(b,cQ::;'7\I.-. f"'1-".:!h'fXl~ ..('",,'Lv.,. ....\.~'-ctr1.~ i{
"'''\~t'ru' ci, \,^,-, v\. '~ ,I. i, . \ '~, ';:~ ( .:,~. , \' _ " r~ ..' '1..(\, '::(;
- "\l:S"Ie"'C"Ci,L\, \J(k\ CC')""I.....Ut''\\L" h"'s' cJ:..<.~Vl::\("c -S'(<';.,'-"'\''''"\'<'<-''''''\"'';, ,."(~
\"'''iE, i. ,,,\,,-,, ~'>{,i<,,: J 1.,;\. . \...J ':- J; .' \ ' '(," \. (~ . (~. <,2
.: ~~., "'-Ie, V'. . V'C.. C.;.bl.{S\.Cl~ 'Sro\' D .nsQ.\.l.){~ .
" ( '\ ','~
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Data Point: 2. of 7_
DATA FORM
ROUTINE WETLAND DETERMINATION
[
Project/Site: -:reA Date: ~-: :; - G' ?
ApplicanUOwner: P(.',.J..,;i p r: "J OJ.;'"") v.'ll.V"cl\ City:
. .v County: ' "
Investigator: D:g.-~ 4.; ,)'4,,- / ..;2.... "(7 ~--<,,-... "'t- Job #: "'~r~~,: l. ! cf .....-) ~ y.-
<f..~ State: t,,'il
Have vegetation, soils, or -hydrology been disturbed: No I
Is the area a potential Problem Area: Yes ~ (;..)'\edT- ~.~
(If needed, explain on reverse.)
........
r
[
~.....
["
VEGETATION
......
Dominant Plant Species Stratum % Cover Indicator Dominant Plant Species Stratum % Cover Indicator
~ L t'(r~~'~~"\ Itv-, '"h..vt.Y'9l.. \4 50 FAc.. t.
2. (~1l (.l t v,V'> (~r'~:\\IfI (l ~.\ \S Fkc~ 2.
7;>, . 3:\{n\r-,..\ '::7 {.ll\..SY\Jh....,c.u.S S ~CS f Ac. \J.... 3.
4. En1.in~");I'n...... .J.:\ \~\..u\Y'I 4-\ .<::..\ t./,\(' u..) .- 4.
5. :fu- ..~,...\',v?... t+ \0 rAe. 5.
6. \JaR. (~ O"/'n M..~. sF:o<<, \-\ \~, FJ\c. \yo\- 6.
7. u ....\-.. C;X ,L~.o\ C~ \--\ 7.. fN--4- 7.
8. 8.
Percent of Dominant Species that are OBL, "5Dcf!
FACW or FAC (except FAC-). ...Dominant species. (rl
Cowardin Classification: P E"M!fl;j$
,
Remarks: S Q (y~ ",,-,'Wd d~sl,.rJ...l' \r".>(.\ - 'v"v-C"t.~ t lc~ 't" bR_ad:~ ~ ~C'r\.\-((.'v\ "'\d-H.\K? '(~J.II:;S+'
I.. . ('""(8 r-~. . "-....l
~s . '1~
~ttZSOu.\; .. ,"'-
RECEK~
'to
"
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EO
HYDROLOGY
JUL 2 3 2008
{ -
I
l
Recorded Data (Describe in Remarks):
- Stream, Lake, or Tide Gage.
_ Aerial Photograph
.&. Other f~c6 \.\.:l\Cc; V't-s\-
No Recorded Data Available
Wetland Hydrology Indicators
JEffERSON com fY DeL
Field Observations:
Depth of Surface Water: ~\-~\ SLV.(~('(t;:.)
Depth to Free Water in Pit: cb (in.)
D~thto~~ra~~il: ~)
...;,L Inunda~
,/ Sa~rated in Upper 12 Inches
Water Marks
Water Lines
Sediment Deposits
Drainage Patterns in Wetlands
Oxidized Root Channels in Upper
12 Inches
Water-Stained Leaves
Local Soil Survey Data
Other (Explain in Remarks)
Remarks:
l_
r.~" -rf-! r"1 r-T r~ _..~-; ---)~
1;,\ II Co! '~\ / \ 1 II . }~\ _~,:1lL",,1
L-~ -'
2 :i ~?-i)OO
.JJ. . ~
Data Point: '-7- of
SOILS
. 1''",.1 'n
"II' 11.1\1' ""U
~ . ~ , "I. . ., E..
Map Unit Name: Drainage Class:
Field Observations
Taxonomy (Subgroup): Confirm Mapped Type? Yes No
Profile Description:
Depth Matrix Color Mottle Colors Mottle Texture, Concretions,
(inches) (Munsell Moist) <Munsell Moist) Abundance/Contrast Rhizosoheres. etc.-
,~. , ti ... .' fl"VI( k
(.1- ! t1 :CiY~ "2/ J ....-. ... ~.l'-j~ "'Jf\
_.#0
>
Hydric Soil Indicators:
.:L Histosol ~ Concretions
- Histic Epipedon -:L High Organic Content in Surface Layer
- Sulfidic Odor - Organic Streaking
- Probable Aquic Moisture Regime - Listed on Local Hydric Soils List
Reducing Conditions - Listed on National Hydric Soils List
L Gleyed or Low-Chroma ColorS - Other (Explain ill Remarks)
Remarks:
WETLAND DETERMINATION
Hydrophytic Vegetation Present? /-y-) No
~~
Hydric Soils'Present? ~~'. No Is this Data Point Within a Wetland'(.~_:~::::..:. No
Wetland Hydrology Present? (Y..~/ No
Remarks: ..............-....
8-2-93/DATA,FRMITRH-lkd/dgw
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Data Point: -L of },---
DATA FORM
JtnUl~ON CHUNlY ll!{OUTINE WETLAND DETERMINATION
./
./
-......
./---
Project/Site: JCn,- \,Utld '}- .'v F.. 1<:, f)<_ Date: 5'--- i-c) 2.
Applicant/Owner: Pc: <-f ;" .(' ;; J / . , . City:
j (O("'.)I'-')h~' ..\1
Investigator: O!-R. j F~.A {~ Job #: County: . f.. {{~'-' ),:....,_
(Yes) , State: \...... ,\,
Have vegetation, soils, or -hydrology been disturbed: No I'f', L ..1... (.. ,.... I . .Nd{c."'-d
~~'-'':'::----'~'' 'iu"i'}"(I :J
Is the area a potential Problem Area: Yes No
(If needed, explain on reverse.)
VEGETATION
Dominant Plant Species
L R..b..g C1rmc"l"IltL\.r
[ 2. VI!'" C,'+IUCl
t-/, , I
~ 3. '.. cl: ',,<, bl'le'i--<"(,
:-.l.<' 4. G,<;iitLI\'v'\ ~e-(i")cr ).,,, H
5 '.' i
. (_C'i\1(,."r' rnc.',("~",l(:"'\..'n,""\ f1
6.(<c!.cl. (..,.~",,\~,t<'''') ,. H
7. B<,f{<s .'f'C\ ~'''\~'\<, t-I
, r- 8. \>00' n-1V\0;'e I; s'1 rI
L
>~
r
L
e
C
L.
L
f--
L,
L
I
l_
L.
.~
Stratum
t1
H
+1
% Cover Indicator
\ 0 FIV(A
? I tv't-
"L t A(
\0 (N,Ll
:L '(AC 1-
.5 rAL\..\
.&..1 IV I
''2,0 f,tnA t
Percent of Dominant Species that are OBL,
FACW or FAC (except FAC-). *-Dominant species.
Cowardin Classification: ( \ P 1<:\ ryl
Remarks:
I - . ,. fl' ^
() ;'n.-I r h P. ~ / 1"V) C U.8:c' J' i.. '''''Lr>>. cY .
D v 2_...."....~f [>..{a. ",j-- c:.N'<i!..<' .:: J''- '=/-0%
HYDROLOGY
'X' Recorded. Data (Describe in Remarks):
- Stream, Lake, or Tide Gage
_ Aerial Photograph
.....:;L Other - Flcl~ 0fiJ_~"'p...>_:,l
No Recorded Data Available
Field Observations:
Depth of Surface Water: (in.)
Depth to Free Water in Pit: (in,)
Depth to Saturated Soil: (in.)
Remarks:
\-:;.:1,:;)......
. '.' \ "'"\.../' ':-V --- f )l.-' ~,:-:)j...l\ ;:"-_ "\...
1 . 'I c..,.. ~. _
S.:Ji I
Dominant Plant Species
1 "~I .,"" ,1-
.' 1~i"\~l){({{'(..'...Jv1 c.{~ \t'.' !~ I'.::.~\t
2. III tiA""...._ r'd i4 k""
3. /:J !'....,,:',I\IL~.v-. r,,;1--:.:;J'\;\.1 (,
Stratum
% Cover
I
i../
1
Indicator
tv -;:
-rtKl..,)-
iv'C
"
d
H
d
4.
5.
6.
7.
8.
Q
Wetland Hydrology Indicators
Inundated
Saturated. in Upper 12 Inches
Water Marks
Water Lines
Sediment Deposits
Drainage Patterns in Wetlands
Oxidized Root Channels in Upper
12 Inches
Water-Stained Leaves
Local Soil Survey Data
Other (Explain in Remarks)
Llj-& -,,) c.,.:;.....)i I \~ \ ' de....' .P-'-~ ..v Co' ,
I' J I'"
J1""
",-
\' n "' .~
< .
Data Point: t of
/ct~~\.'-'i,~i r" ",1'""/
Wt;.,"\J~3)~,___~_ ......;JJn..:~J ~\",;J
SOIlS
Map Unit Name: Drainage Class:
Field Observations
Taxonomy (Subgroup): Confirm Mapped Type? Yes No
Profile Description:
Depth Matrix Color Mottle Colors Mottle Texture, Concretions,
(inches) (Munsell Moist) (Munsell Moist) Abundance/Contrast RhizosPheres. etc.'
.'1 ''1 tl i r)Cl h.-,
1/\""-(/) j'1 /' ......:~..) f...,.} ,
(\- .--:- (....' . .J<-."...... -'. (/:.i
"',- ! ,
I ..-
. 'I / eJ.'i"J p
l~ If T.', '/I'l U/} "",..... n~"" (I.. ~/6 ' ,
, . . '0" /, I 1 tt:":!'f'1 ,~<:..-\A
, I
if~ I&" I F) ') '12 if /) N /1/ If t (,{':l"''''/ '-':C:J ,-,(J
I v ,. / (~~ (' (~\..:.;' -.}
.
Hydric Soil Indicators:
- Ristosol - Concretions
- Histic Epipedon - High Organic Content in Surface Layer
- Sulfidic Odor - Organic Streaking
- Probable Aquic Moisture Regime - Listed on Local Hydric Soils List
'"j{ Reducing Conditions - Listed on National Hydric Soils List
~
A Gleyed or Low-Chroma Colors - Other (Explain in Remarks)
Remarks:
WETLAND DETERMINATION.
Hydrophytic Vegetation Present? Yes /':)
~9/' .../,_.~....-,\
Hydric Soils Present? \f~ No Is this Data Point Within a Wetland? Yes (' No'"
Wetland Hydrology Present? ..,...... \.......~_.~.".......J
Yes (~9)
Remarks:'n~) pcJICY, d ~"'" ._~'..,rj~~,.. (~) :) i\-i{:"_J-.\ } 1(~-'-.~' ~:-,)~~~'-'I.""" c..~x~~~'-.~..L) b.~, 'n-~L
v
i ~'(\ b..., "), ",) (::1.., LN.( - ..(:--/ ?,.~'t"'! 0 .>
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2000 Wetland and Buffer Functions and Semi-quantitative Periormance Assessment
Yep., - l0WA fv\ fA Staff D{"') Date s/q(o 1.
I ,
r WetIand #
(
[.ocation S T R
. Table 1: Determinin
Attribute
Absolute Size
Wetland Loss in Basin
Size Relative to Other
Wetlands in Basin (on
NWI ma s
Buffer Size
Buffer Condition
l.
r-
[-
r
l
Function
t~
r
Flood!
Storm Water
Control
points J.2..
t
Base Flow!
Ground Water
Support
points .n
L
V' li_~J
rd,., '
\'
y~ 1;b-
NIA = Not Applicable, NIl = No information available
aver e SiZe avera e size
75 to 200 feet > 200 feet
> 60% disturbed 20-60% disturbed < 20% disturbed
If score is ~ 1.4 then give the question a 1
If score is 1.5 to 2.4 then give the question a 2
If score is 2.5 to >3 then .ve the uestion a 3
< 100% of
Relative Size
_ size cumulative score (see Table 1)
_riverine, or shallow depression
" < 10 % forested cover
_ unconstrained outlet
_located In lower 1f.3 of the drainage
_Size cumulative score (see Table 1)
-'- riverine, or shallow depression
_ located in lower 1f.3 of the drainage
_ temporally 'flooded or saturated
Eroslonl
Shoreline
Protection
0~
L
L
points _
max9
Water Quality
Improvement
[
points crS
(max 15)
t
etatlon < 20 % OBl s
_ sparse grassJherbs or no veg along
OHWM
_ wetland extends < 30 m from
.OHWM
. _>60% shoreline developed
..;.... rapid flow through site
_ < 50 % veg cover
.../ <2O"A, of basin upstream from
wetland Is developed
_result from Table 2
.../ Soli coarse -gravel, Sand, sandyloam
100-200% oft
> 200% of
~
2-
I
score/5
Z.
Criteria
1... size cumulative score (see Table 1)
_mid-sloped wetland
10 - 30 % forested cover
_ semi-constrained outlet
_located In middle 1f.3 of the drainage
_ size cumulative score (see Table 1)
~Iake, depressions, headwaters. bogs
_> 30 % forested cover
.L culvertlbermed outlet
../ located In upper 1 f.3 of the drainage
.l. Size cumulative score (see Table 1)
_ mld-sloped wetland
_located In middle 1 f.3 of the drainage
_ seasonally or semi-permanently
flooded or saturated
.J 'V tation 20 to
_ sparse wood or veg along OHWM
_Size cumulative score (see Table 1)
d lake,depressions, headwaters,bogs
L located In upper 1 f.3 of the drainage
..:L permanently flooded or saturated,
or intermittently exposed
etation > 40 % OBL s ecies
_ dense wood or veg along OHWM
_ wetland extends 30 - 60 m from
OHWM
_ 20 to 60% shoreline developed
_wetland extends> 200 m from
OHWM
_ <20"/0 shoreline developed
Lmoderate flow through site
_ 50 . 80 % cover
_20 to 50% of basin upstream from
wetland is developed
2..? result from Table 2
Soil organic mineral mix
_ slow flow through site
.../' > 80 % veg cover
_> 50% of basin upstream from
lC, V l~I~Pl/\~e~i~l~)
ll' ..lC-1 'i'esultfrom Thble 2' I )}
_ Soil heavy organic muck and peat
JUL 2 3 2008
JtffERSUN COUNTY OeD
f 1
J
2000 Wetland and Buffer Functions and Semi-quantitative Performance Assessment
Wetland # ':reA - l})-\-~.!~ t"\J:4. Staff ~
I
Table 2: Overland Flow Contained in Wetland
Date 51"1 \01..-
,
U
'J
fj
Attribute Low (1 pt.) Medium (2 pts.) Hil!h (3 pts.) Total
Configuration Plate-shaped Shallow bowl- Deep Bowl- 'I/?;;
shaped shaped.
Draina!te Basin Size < 2 acres 2-5 acres > 5 acres 3
Outlet Unconstrained Semi-constrained Constrained .,
Input Groundwater Surface flow and Surface flow 2
only groundwater
Basin Condition <20% 20-40 % >40% I
impervious impervious impervious
Flow Contained score/5
f1
[1
'L.S -
Natural _ size cumulative score (see Table 1) ~slze cumulative score (see Table 1) _size cumulative score (see Table 1) ~.- .
Biological _low connecl1vity to veg'd buffers ./ mod connectivity to veg'd buffers _ high conneclivity to veg'd buffers [
Support _ ag I.and, low veg structure _ 2 layers of vegetation L high veg structure
_ seasonal surface water './. permanent surface water _ open water pools through summer
_ one habitat type _ two habitat types L~ 3 habitat types r
PABPO~EST /,
PAB POW PEM PSS PFO EST PAS PCJN PEM PSS PFO EST L
_low plant diversity (< 6 species) _moderate plant diversity (7-15 spp) ./ high plant diversity (> 15 spp)
_> 50 % Invasive species L 1 0 to 50 % Invasive species _ < 10% Invasive species
_low organic accumulation .L. moderate organic accumulation _high organic accumulation
_low organic export ./ moderate organic export _ high organic export
_ few habitat features .:L. some habRat features _ many habitat features '[
d. buffers very disturbed _ buffers slightly disturbed _ buffers not disturbed
points 26 _Isolated from upJandhabllats L partially connected to upland habitats _ well connected to upland habitats r
(max 36) (
Overall . ..:..-slze cumulative score (see Table 1) LsizecumUlativescore (see Table 1) _size cumulative score (see Table 1)
Habitat ..; low habitat diversity _moderate habitat diversity _ high habRat diversity !
Functions _low sanctuary or refuge .:L moderate sanctuary or refuge _ high sanctuary or refuge
points 5- (
(max 9)
Specific _low invertebrate habitat L moderate invertebrate habitat _ high invertebrate habitat
Habitat _low amphibian habRat L moderate amphibian habRat _ high amphiblanhabllat (
Functions L.low fish habitat moderate fish habitat _ high fish habitat I
- \
points !i ..:..;....Iow mammal habRat L moderate mammal habitat _high mammal habitat
(max 15) ....:..low bird habitat .:L moderate bird habitat _ high bird habitat I
L
fl
I
1
,
~
li-'l ,...... r, 1f " rV}~ D
:-( ,. , If"'!. ,! \\ 1~,1, . I)
,\, 1f 1''''-'' . ,',-",.fl.)l
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2000 Wetland and Buffer Functions and Semi-quantitative Performance Assessment
r .
ad W etIand # :::reA ~ (AJ{tr.!, M J A
- I
f-
Staff ~
Date 5J~L~?
j I
r
Culturall :L low educational opportunities _ moderate educational opportunities _ high educational opportunities
Socioeconom Llow aesthetic value _ moderate laesthetic value _ high aesthetic value
ic dlacks cOmmercial fisheries, _ moderate commercial fisheries, _ high commercial fisheries,
agriculture, renewable resources agriculture, renewable resources agriculture, renewable resources
-I lacks historical or archeological _ historical or archeological site _important historical or archeological
resources _ some passive and active recreational site
-L lacks passive and active recreational opportunilles _many passive and active recreational
points .k opportunities opportunities
(max 21) J Drivatelv owned orivaleiv owned some public access unresbicted Dublic access
[
r-
L
[
Dominant Vegetation:
Co-N....~\ t.OH'a.;L
so~~b..... ~k.lj~
Lu t LG:n.u ....t.
f'
'l
[
{e
l
Notes:
RECEIVED
JUl 2 3 2008
T0Q~ct II\,
j, II _Il .. (_..... 1) ~ 6.lt,..,...~\..,..- ~ '?A
~a;~tC', ~~..o~\~fV..c.c' '__'l.~~,,-, ''-'' ."-,<-,,,, V...,U""^'"_____
! J, 0 , :". r\ ~l_P,,- 'f".,... ..~~ l' "'~~.~~
COn u-e.'ti,"vr-Ct;J.. ~~'''''c>'''It.7v.eCW.J-L',..! \ - ,"",-..~,;,-".".;-".., ~- .-
'1~{Q.~~,d ~-Ld\ to &:hpo\t- ~e..O.o r'/'c.-t _
I~ a.e1\ ~C.(})""~ t.I.SL~..e.l~"r4 }.. b.iD;.'''~, \.,.'.~(:) I'!-\
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Lt..')'1::;
\.4) \.5\-~,... 'J"',' &.~
t
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L
t.
I
l
I.
f
(
L
[
f- Wetland #
e Location S
[
[
r-
[',
f
C'
Function
L
[:
Flood!
Storm Water
Control
points J.l
L
L
Base Flow!
Ground Water
Support
points ..L:2
-:rCA . - L.ull.:\-e~,^a\ c./r II cU,t+
. I
2000 Wetland and Buffer Functions and Semi-quantitative Performance Assessment
T
R
N/A = Not Applicable, Nil = No information available
Staff ~
Date
5/<:7 !o'Z..
I I
UrJ; t-'./
yfh-
Table 1: Determinin
Attribute
Absolute Size
Wetland Loss in Basin
Size Relative to Other
Wetlands in Basin (on
NWI ma s
Buffer Size
Buffer Condition
aver e S1Ze aver S1Ze
75 to 200 feet > 200 feet
> 60% disturbed 20-60% disturbed < 20% disturbed
If score is ~1.4 then give the question a 1
If score is 1.5 to 2.4 then give the question a 2
If score is 2.5 to >3 then .ve the uestion a 3
< 100% of
Relative Size
_size cumulative score (see Table 1)
Lriverine, or shallow depression
_ < 10 % forested cover '
_ unconstrained ouUet
_located In lower 113 ofthe drainage
_Size cumulative score (see Table 1)
..::L. riverine, or shallow depression
_ located In lower 113 of the drainage
_ temporally flooded or saturated
Erosion!
Shoreline
Protection
N~
points _
max9
Water Quality
Improvement
points .11:
(max 15)
!
I
l
L
etalion < 20 % OBl as
_ sparse grasshlerbs or no veg along
OHWM
_ wetland extends < 30 m from
OHWM
_>60% shoreline developed
_ rapid flow through site
_ <50 % vag cover
.:L <2O"A. of basin upstream from
wetiand Is developed
_result from Table 2
_ Soli coarse -gravel, Sand, sandyloam
100 - 200 % oft
Criteria
ts
.:6. size cumulative score (see Table 1)
_ mld-sloped wetland
J 10 - 30 % forested cover
_ semk:onstralned outlet
_located In middle 113 of the drainage
1:. Size cumulative score (see Table 1)
_ mld-sloped wetland
_located In middle 113 of the drainage
_ seasonally or seml-pennanently .
flooded or saturated
ta1ion 20 to 40 % OBl
_ sparse wood or veg along OHWM
_ wetland extends 30 . 60 m from
OHWM
_ 20 to 60% shoreline developed
_ moderate flow through site
_SO - 80 % cover
_ 20 to SO% of basin upstream from
wetland is developed
'2.. result from Table 2
J SoIl organic minerai mix
Total
'Z..,
'2..
> 200% of
Z
I
score/5
2.
_ size cumulative score (see Table 1)
_lake, depressions, headwaters, bog~
_>30 % forested cover
::L.. culvertlbenned outlet
. Jlocated In upper 113 of the drainage
_Size cumulative score (see Table 1)
_ lake,depressions, headwaters,bogs
V located In upper 113 of the drainage
:L pennanently flooded or saturated,
or intennittentlyexposed
etalion > 40 % OBl
_ dense wood or vag along OHWM
_wetland extends> 200 m from
OHWM
_ <20% shoreline developed
../ slow flow through site
v> 80 % vag cover
_> SO% of basin upstream from
R~t~rl~n
_ result from Table 2 .
SolI ~eavy organic muck and peat
"
JthtH~UN LUUNW OeD
L1
2000 Wetland and Buffer Functions and Semi-quantitative Performance Assessment
Wetland # '3'c..A - t.u~(',.\ J i.,.- + Staff r::afo Date r,;.../q ii""':t?
e. :r I .....-~.v. . i J . ;-:.-
I
Table 2:. Overland Flow Contained in Wetland
Attribute Low! t. Medium 2 ts. Total
Configuration Plate-shaped Shallow bowl-
sha ed
Drain e Basin Size < 2 acres 2- 5 acres ..2..
-'
Outlet Unconstrained Semi-constrained '3
Input Groundwater Surface flow and
onl oundwater
Basin Condition <20% 20-40 % >40%
. . . . . . \
1m ervlOus un ervlOus un ervlOus
Flow Contained score/5 2-
[I
'J
t
f\
Li
Natural _size cumulative score (see Table 1) . ..k.slze cumulative score (see Table 1) _size cumulative score (see Table 1)
Biological _ low connectivity to veg'd buffers v'mod connectivity to veg'd buffers _ high connectivity to veg'd buffers l
Support _ ag land, low veg structure _ 2 layers of vegetation ./ high veg structure
J seasonal surface water _ permanent surface water _ open water pools through summer
_ one habitat type .:- two habitat types L~ 3 habitat types f
PAS POW PEM PSS PFO EST PAS POW PEM PSS PFO EST PAS POW~@EST L
_low plant diversity (< 6 species) _ moderate plant diversity f! -15 spp) "/high plant diversity (> 15 spp)
.:1...> 50 % invasive species _ 10 to 50 % invasive species _ < 10"/0 invasive species I
_low organic accumulation ./ moderate organic accumulation _ high organic accumulation L
./ low organic export _ moderate organic export _ high organic export
.:L few habitat features - some habltal features _ many habitat features
...Lbuffers very disturbed _ buffers slightly disturbed - buffers not disturbed
points ll.. _ isolated from upland habitats ..; partially connected to upland habitats _ well connected to upland habitats !
(max 36)
Overall _ size cumulative score (see Table 1) ~ size cumulative score (see Table 1) _size cumulative score (see Table 1)
Habitat _low habitat diversity .../ moderate habitat diversity _ high habitat diversity I
Functions _low sanctuary or refuge .../ moderate sanctuary' or refuge _ high sanctuary or refuge
points (0 l
(max 9)
Specific _low invertebrate habitat L moderate invertebrate habitat _ high invertebrate habitat
Habitat _low amphibian habitat .::L. inoderate amphibian habitat _ high amphibian habitat f
Functions L low fish habitat - moderate !ish habitat _ high fish habitat \
points ...ll.. _low mammal habitat - moderate mammal habitat L high mammal habitat
(max 15) _loW bird habitat _ moderate blrpllabitat ,/ high bird habitat I
\
[(
Try ~ ,r-- T.( f""\ Yi[11r\)
J~ :_/' I ,~- -'. ,;v .it__~, :L):
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2000 Wetland and Buffer Functions and Semi-quantitative Periormance Assessment
f. d Wetland # -:rOA - t0~\e>wl,
r
(
'" 1_;..,.... I
\;...."1 J.... ~s._..... ..#....h~T
. I
Staff D:.<<:,
Date
""./01....."
<-$I/l :'-"~
[
Culturall .Jlow educational opportunities _ moderate educational opportunities _ high educational opportunities
Socioeconom - low aesthetic value ../ moderate laesthetic value _ high aesthetic value
ic ~Iacks commercial fisheries, _moderate commercial fisheries, _ high commercial fisheries,
agriculture, renewable resources agriculture, renewable resources agriculture, renewable resources
~acks historical or archeological _ historical or archeological site _ important historical or archeological
resources _ some passive and active recreational site
'-./Iacks passive and active recreational opportunities _ many passive and active recreational
points l opportunities opportunities
(max 21) ,/ privately owned . privately owned, some public access unrestricted public access
\
[
r Dominant Vegetation:
Wildlife:
f
l
[.
Notes:
(
\:.
RECEIVED
f
le
I
L
JUL 2 3 2DDB
If.c~qJ\:jl,,: .' J
IJJJCf Jl :UJJl.Jtm~ 'i:.uV jy j j .... L>
L
[
2000 Wetland and Buffer Functions and Semi-quantitative Performance Assessment
( Wetland #
e Location S
r
A IfV',
I
Staff ~p..,
Date
S{ct/()L
t
I) li.......J
Vt-O:"! .
y'1jh-
T R
NI A = Not Applicable, Nil = No information available
f"'
f-
["
[
{'
Table 1: Determinin
Attribute
Absolute Size
Wetland Loss in Basin
Size Relative to Other
Wetlands in Basin (on
NWI ma s
Buffer Size
Buffer Condition
Total
:,
2.
< 100% of
100 - 200 % oft
> 200% of
s12e aver e S12e aver e S1Ze
< 75 feet 75 to 200 feet > 200 feet
> 60% disturbed 20-60% disturbed < 20% disturbed
If seore is ~ 1.4 then give the question a 1
If seoreis 1.5 to 2.4 then give the question a 2
If score is 2.5 to >3 then 've the uestion a 3
,2
'2..
Relative Size
score/5
z..
Function
Criteria
points Jl
_size cumulative score (see Table 1)
_riverine, or shallow depression
J < 10 % forested oover
_ unoonstralned outlet
_located In lower 113 of the drainage
ts
'2-. size cumulative score (see Table 1)
V mld-sloped weUand
_ 10 - 30 % forested oover
_ seml-conslralned ouDet
_located In middle 113 of the drainage
t
[
Flood!
Storm Water
Control
_size cumulative score (see Table 1)
_lake, depressions, headwaters, bogs
_>30 % forested oover
J culvertlbenned outlet
LIocated In upper 113 of the drainage
Base Flow! ':'Slze cumulative soore (see Table 1) .6..Slze cumulative score (see Table 1) _ Size cumulative soore (see Table 1)
Ground Water _ riverine, or shallow depression :L. mld-slopecl weUand _ lake,depresslons, headwaters,bogs
f Support _ JocatecIln lower 113 of the drainage _located In middle 113 of the drainage ~ocatecIln upper 113 of the drainage
_ temporally flooded or saturated _ seasonally or seml-pennanenDy L pennanenlly flooded or saturated,
points .1b flooded or saturated or Intennlttenlly exposed
(- etation < 20 % OBL tallon 20 to 40 % OBL elation >40 % OBL '00
Eroslonl _ sparse grassA1eJbs or no vag along _ sparse wood or veg along OHWM _ dense wood or veg along OHWM
Shoreline OHWM
[ Protection _ weiland extends < 30 m from _ wetland extends 30 - 60 m from _wetland extends> 200 m from
NA OHWM OHWM OHWM
points _ _>60"10 shoreline developed _ 20 to 60% shoreline developed _ <20% shoreline developed
max9
Water Quality _ rapid flow through site ~ moderate flow through slle _ slow flow through site
Improvement _ < 50 % vag oover _ 50 - 80 % cover L.> 80 % vag oover
_ <20% of basin upstream from ~ 20 to 50% of basin upstream from _> 50% of basin upstream from
points \ () weiland Is developed wetland Is developed weiland Is developed
(max 15) _result from Table 2 2.. result from Table 2 ~e~W~v1ED
-:L Soli ooarse -gravel, Sand, sandyloam SoIl organic mineral mix . heavy organic muck and peat
,
I JUL 2 3 2DD8
I
~..
L . JHHflSll~ ~!ili~i~ll~ UJ~I
2000 Wetland and Buffer Functions and Semi-quantitative Performance Assessment
Wetland # AIM Staff ~D Date ~!9102.
I
Table 2: Overland Flow Contained in Wetland
Attribute Low I t. Medium 2 ts. Total
Configuration Plate-shaped Shallow bowl-
sha ed 2-
Drain e Basin Size < 2 acres 2-5 acres ~
Outlet Unconstrained Semi -constrained
Input Groundwater Surface flow and
onl oundwater 1.
Basin Condition < 20% 20-40 % >40%
. . . . . . I
un ervlOus un ervlOus un emous
Flow Contained score/5 2-
Natural
Biological
Support
points 21..
Overall
Habitat
Functions
points .::i
max9
Specific
Habitat
Functions
points ~
(max 15)
_size cumulative score (see Table 1)
_low connectivity to veg'd buffers
Lag land, low veg structure
_ seasonal surface water
_ one habitat type
PAS POW PEM pss PFO EST
_low plant diversity (< 6 species)
J> 50 % invasive species
_low organic accumulation
_low organic export
../ few habitat features
J buffers very disturbed
_isolated from upland habitats
'2. size cumulative score (see Table 1)
.L mod connectivity to veg'd buffers
_ 2 layers of vegetation
V permanent surface water
_ two habitat types
PAS POW PEMPSS PFO EST
_ moderate plant diversity (1-15 spp)
_ 10 to 50 % Invasive species
L moderate organic accumulation
d.. moderate organic export
_ some habitat features
_ buffers slightly disturbed
.J partially connected to upland habitats
_size cumulative score (see Table 1)
_ high connectivity to veg'd buffers
_ high veg structure
_ open water pools through summer
J :::. 3 habitat types
@ POW.@~fQ)EST
Lhigh plant diversity (> 15 spp)
_ < 10% invasive species
_ high organic accumulation
_ high organic export
_ many habitat features
_ buffers not disturbed
_ well connected to upland habitats
_size cumulative score (see Table 1)
J low habitat diversity
../ low sanctuary or refuge
'2.. size cumulative score (see Table 1)
_ moderate habitat diversity
_ moderate sanctuary or refuge
_size cumulative score (see Table 1)
_ high habitat diversity
_ high sanctuary or refuge
_low invertebrate habitat
_low amphibian habitat
v low fish habitat
Llow mammal habitat
_low bird habitat
:L. moderate invertebrate habitat
./ moderate amphibian habitat
moderate fish habitat
moderate mammal habitat
:L. moderate bird habitat .
_ high invertebrate habitat
_ high amphibian habitat
_ high fish habitat
_high mammal habitat
_high bird habltat-- ' .,
RECE1f\TlB:D
JUL Z 3 2008
JEfHRSON cou~J'n uca
u
U
~-l
LJ
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L
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2000 Wetland and Buffer Functions and Semi-quantitative Pertormance Assessment
r. d Wetland#
[
AIM
I
S ta ff t;k:;
Date
.- I J ~-.,
019 I 0 '-
. i
[
Cultural! -L.,low educational opportunities _ moderate educational opportunities _ high educational opportunities
Socioeconom ~ low aesthetic value moderate laesthetic value _ high aesthetic value
-
, ic ~ lacks commercial fisheries, _ moderate commercial fisheries, _high commercial fisheries.
agriculture, renewable resources agriculture, renewable resources agriculture, renewable resources
L lacks historical or archeological _historical or archeological site _important historical or archeological
resources _ some passive and active recreational site
Llacks passive and active recreational opportunities _ many passive and active recreational
points k opportunities opportunities
(max 21) ~rivatelY owned privately owned, some public access unrestricted public access
\"
f-
Ih Dominant Vegetation:
Wildlife:
['
(
L
r
I.
Notes:
[
L
RECEIVED
!
JUl 232mB
JHrtHSUN COUNTY Den
1
l~
(
\
l_
['
2000 Wetland and Buffer Functions and Semi-quantitative Performance Assessment
r-
:reA - 10~ b
WetIand #
Staff Ci6
Date '5 1"'\\07-.1
, I
r.ocation S T R
. Table 1: Determinin
Attribute
. Absolute Size
W etlandLoss in Basin
Size Relative to Other
Wetlands in Basin (on
NWI ma s
Buffer Size
Buffer Coridition
N/A = Not Applicable, Nil = No information available
r-i
"I ,
r-
< 100% of
100 - 200 % oft
> 200% of
["
s12e aver e S12e avera e S12e
< 75 feet 75 to 200 feet > 200 feet
> 60% disturbed 20-60% disturbed < 20% disturbed
If score is 2: 1.4 then give the question a 1
If score is 1.5 to 2.4 then give the question a 2
If score is 2.5 to >3 then 've the uestion a 3
[
Relative Size
[
Function
Criteria
[
Floodl
Storm Water
Control
:?- size cumulative score (see Table 1 )
.L mid-sloped wetland
10 - 30 % forested cover
_ semi-constrained outlet
_located in middle 1/3 of the drainage
_size cumulative score (see Table 1)
_lake, depressions, headwaters, bogs
_>30 % forested cover
_ culvertlbermed oullet
L located in upper 1/3 of the drainage
Base Flowl _Size cumulative score (see Table 1) 1:. Size cumulative score (see Table 1) ~Size cumulative score (see Table 1)
Ground Water _ riverine, or shallow depression ../ mid-sloped wetland _ lake,depresslons, headwaters,bogs
Support _ located in lower 1/3 of the drainage _located in middle 1/3 of the drainage L lpeated in upper 1/3 of the drainage
-1- temporally flooded or saturated _ seasonally or semi-permanently _ permanently flooded or saturated,
points .i flooded or saturated or intermittently exposed
etation < 20 % OBL s as tallon 20 to 40 % OBL etation >40 % OBL s ecies
Eroslonl _ sparse grasslherbs or no vag along _ sparse wood or vag along OHWM _ dense wood or veg along OHWM
Shoreline OHWM
Protection ~ _ wetland extends < 30 m from _ wetland extends 30 - 60 m from _wetland extends> 200 m from
t-i OHWM OHWM OHWM
points _ . _>60% shoreline developed _ 20 to 00010 shoreline developed _ <20% shoreline developed
max9
Water Quality _ rapid flow through site .L moderate flow through site _ slow flow through site
Improvement _ < 50 % vag cover _50-80 % cover L.> 80 % vag cover
.../ <20% of basin upstream from _ 20 to 50% of basIn upstream from _> 50% of basin upstream from
pointsa. wetland Is developed wetland is developed ~Jl!'lo~E D
(max 15) .L result from Table 2 result from Table 2 ~ su from Table 2 ,. , -
.j Soil coarse -gravel, Sand, sandyloam Soil organic mineral mix Soil
_ size cumulative score (see Table 1)
_riverine, or shallow depression
L < 10 % forested cover
d unconstrained ouUet
_located in lower 1/3 of the drainage'
r
points ..:i..
{
l
L
l
f
L
lJ' li.\-.-J
rU" I :
f"
'Y~ ~!rif
Total
I
;,
\
'3
I
score/5
2.
I
\.
I
JttHH~UN ~UUlVn uLO
[1
2000 Wetland and Buffer Functions and Semi-quantitative Performance Assessment
Wetland # -SeA ~ 1A)~,d \:) Staff ~(2;; Date sfC\ 10'2-
Table 2: Overland Flow Contained in Wedand
Attribute Low! t. . Medium 2 ts. Total
Configuration Plate-shaped Shallow bowl- ,
sha ed
Drain e Basin Size < 2 acres 2-5 acres ~
Outlet Unconstrained Semi-constrained 1 .
Input Groundwater Surface flow and
onl oundwater
Basin Condition <20% 20-40 % >40%
. . . . . .
. 1m ervlOus 1m ervlous 1m emous
Flow Contained score/5 \. t1
fl
\ I
,
L!
r
\
I
!
\ _J.
Natural _size cumulative score (see Table 1) z.. size cumulative score (see Table 1) _ size cumulative score (see Table 1)
Biological -L..low connectivity to.veg'd buffers _ mod connectivity toveg'd buffers _ high connectivity to veg'd buffers r~l
Support '-- ag land, low veg structure .L. 2 layers of vegetation _ high veg structure , r
L_J
L seasonal surface water _ permanent surface water _ open water pools through summer
_ one habitat type .:L two habitat types _<::. 3 habitat types
PAS POW PEM PSS PFO EST PAS POW~PFO EST PAS POW PEM PSS PFO EST
_low plant diversity (< 6 species) _moderate plant diversity (7-15 spp) ..L.high plant diversity (> 15 spp)
_> 50 % invasive species _ 10 to 50 % Invasive species ./ < 10"k invasive species
-/ low organic accumulation _ moderate organic accumulation _ high organic acx:umulation
.:J..low organic export _ moderate organic export _ high organic export ~".,
.:L few habitat features _ some habitat features _ many habitat features L{ .
J buffers very disturbed _ buffers slightly disturbed _ buffers not disturbed
points ~ Jisolated from upland habitats _ partially connected to upland habitats _ well connected 10 upland habitats I
(max 36)
\
Overall _ size cumulative score (see Table 1) .bslze cumulative s~e (see Table 1) _size cumulative score (see Table 1)
Habitat L low habitat diversity _moderate habitat diversity _ high habitat diversity I
Functions .::!..Iow sanctuary or refuge _ moderate sanctuary or refuge _ high sanctuary or refuge l
points ..i
(max 9)
Specific .i..low invertebrate habitat _ moderate invertebrate habitat _ high Invertebrate habitat
Habitat ..::L low amphibian habitat _ moderate amphibian habitat _ high amphibian habitat ,-
Functions .:L low fish habitat _ high fish habitat i
_ moderate fish habitat l
points .2 ~ low mammal habitat _moderate mammal habitat _high mammal habitat
(max 15) J loW bird habitat _ moderatE! bird habitat _ high bird habitat I
'L
RECEIV1Rlf)
JUl 2 3 2008
I
C
JEHER~UN LUUNiY Den
['
2000 Wetland and Buffer Functions and Semi-quantitative Performance Assessment
r~
{~Od Wetland #
[
]"C~ - vv'.e.J ~
Staff ~
Date
shlo2.
1 J
['
Cultural! ::!..Iow educational opportunities _ moderate educational opportunities _ high educational opportunities
Soeioeeonom ../ low aesthetic value - moderate laesthetic value _ high aesthetic value
Ie ...,Llacks commercial fisherIes, _moderate commercial f1shelies, _high commercial f1shelies,
agriculture, renewable resources agriculture, renewable resources agliculture, renewable resources
.::L lacks historical or archeological _historical or archeological site _important historical or archeological
resources _some passive and active recreational site
J lacks passive and active recreational opportunities _ many passive and active recreational
po1ntsla. opportunities opportunities
(max 21) J Drlvatelv owned .. privately owned some Dublic access unrestricted public access
[i
[
r' Dominant Vegetation:
'S a\ilC Lu.c..iJ~
f' '":,..(2..ull?d. Ota~~'b
Wildlife:
~
L
[
(0
Notes:
i
\
L
l
\
\
RECEf\TFl)
1
.~
t'
JUl 2 3 21m
JJiFttiffS:U:N L U U I~ J.I UltJ
L
[
Wetland #
-:r c ~ .:.. lA.:J-I-Q,A E
2000 Wetland and Buffer Functions and Semi-quantitative Pertormance Assessment
Staff ~
J~it--~
(/1 il ;rlr
r
r"
Location S T R
Table 1: Determinin
Attribute
Absolute Size
Wetland Loss in Basin
Size Relative to Other
Wetlands in Basin (on
NWI ma s
Buffer Size
Buffer Condition
< 100% of
Date S! '\ i 0'2-
\
N/A = Not Applicable, Nil = No information available
\"'
Wetland Size in Landsca e Context
Low 1 t. Medium 2 ts.
<5 acres 5-10 acres
> 60 % 20 ~ 60 %
Total
I
~
aver e SlZe aver e SlZe
75 to 200 feet > 200 feet
> 60% disturbed 20-60% disturbed < 20% disturbed
If score is ~ 1.4 then give the question a 1
If score is 1.5 to 2.4 then give the question a 2
If score is 2.5 to >3 then . ve the uestio~ a 3
Base Flow! .1. Size cumulative score (see Table 1) _ Size cumulative score (see Table 1) ~Slze cumulative score (see Table 1)
Ground Water ..../.... riverine, or shallow depression _ mid-sloped wetland _ lake,depressions, headwaters,bogs
Support _ located in lower 1/3 of the drainage _located In middle 1/3 of the drainage .l...locate<l In upper 1/3 of the drainage
_ temporally flooded or saturated .:L seasonally or semi-permanently _ permanently flooded or saturated,
points ..a flooded or saturated or intennittently exposed
etatlon < 20 % OBL tation 20 to 40 % OBL etation > 40 % OBL s edes
Erosion! _ sparse grassJhelbs or no veg along _ sparse wood or veg along OHWM _ dense wood or vag along OHWM
Shoreline OHWM
Protection ~ _ wetlWld extends < 30 m from _ wetlWld extends 30 . 60 m from _wetland extends> 200 m from
OHWM OHWM OHWM
points _ . _>00% shoreline developed _20 to 60"/0 shoreline developed _ <20% shoreline developed
max9
Water Quality _ rapid flow through site _ moderate fJowthrough site .i.. slow flow through site
Improvement ..:..... < 50 % vag cover 50 - 80 % cover L> 80 % vag cover
1- <2()O/o of basIn upstream from _ 20 to 50% of basin upstream from _> 50% of basin upstream from
points lo wetland Is developed wetland is developed Rt~C~1Pi\fED
(max 15) _ resutt from Table 2 .1:. result from Table 2 _ su from Table 2
..j Soli coarse -gravel, Sand, sWldyloam Soli organic mineral mix
\
['
[
Relative Size
["
Function
I
L
F 10 0 dl
Storm Water
Control
..Lsize cumulative score (see Table 1)
L riverine, or shallow depression
-./ < 10 % forested cover
_ unconstrained outlet
_located In lower 1/3 of1he drainage
t
points ~
f .
{.,
L
i
1
L
100 - 200 % oft
> 200% of
I
I
score/5
Criteria
ts
_ size cumulative score (see Table 1)
_mid-sloped wetlan~
10 - 30 % forested cover
_ semi-constrained outlet
_located In middle 1/3 of the drainage
_size cumulative score (see Table 1)
_lake, depressions, headwaters, bogs
_> 30 % forested cover
.L. culvertlbermed outlet
./ located in upper 1/3 of the drainage
JEffERSON CUUNIY UW
11
2000 Wetland and Buffer Functions and Semi-quantitative Performance Assessment
Wetland # -;:rc:f'-- \..0-\ed. "E
Staff ~
Date
5/'11 r)2.
. J
Table 2: Overland Flow Contained in Wetland
Attribute Low (1 pt.) Medium (2 pts. ~ Hi~b (3 pts.) Total
Configuration Plate-shaped Shallow bowl- Deep BowI- E...
'. shaped shaped
Drainage Basin Size < 2 acres 2- 5 acres > 5 acres ?
Outlet Unconstrained Semi-constrained Constrained '3
Input Groundwater Surface flow and Surface flow
only groundwater ~
Basin Condition <20% 20-40 % >40%
impervious impervious impervious I
Flow Contained score/5
fl
'2.-
Natural 1- size cumulative score (see Table 1) _size cumulative score (see Table 1) _ size cumulative score (see Table 1)
Biological " low connectivity to veg'd buffers _ mod connectivity to veg'd buffers _ high connectivity to veg'd buffers
Support ~ ag land, low veg structure _ 2 layers of vegetation _ high veg structure
.-J seasonal sU'rface water _ permanent surface water _ open water pools through summer
.L one habitat type _ two habitat types _a 3 habital types
PASPOW~SSPADEST PAS POW PEM PSS PAD EST PAS POW PEM PSS PFO EST
_low plant diversity (< 6 species) L moderate plant diversity (7-15 spp) _high plant diversity (> 15 spp)
_> 50 % Invasive species _ 10 to 50 % invasive species L <; 10% invasive species
J low organic accumulation _ moderate organic accumulation _ high organic accumulation
::L low organic export _ moderate organic export _ high organic export
.j few habltal features _ some habitat features _ many. habitat features
:J... buffers very disturbed _ buffers slightly disturbed - buffers not disturbed
points .W- -.J isolated from upland habitats _ partially connected to upland habitats _ well connected to upland habitats
(max 36)
Overall 2-slze cumulative score (see Table 1) _size cumulative score (see Table 1) _size cumulative score (see Table 1)
Habitat .L low habitat diversity _ moderate habitat diversity _ high habitat diversity
Functions J low sanctuary or refuge _ moderate sanctuary or refuge _ high sanctuary or refuge
points ..3
(max 9)
Specific L low invertebrate habitat - moderate invertebrate habitat _ high invertebrate habitat
Habitat L low amphIbian habitat . _ moderate amphibian habitat _high amphibian habitat
Functions J low fish habitat - moderate fish habitat _ high fish habitat
points ..2 Llow mammal habitat _ moderate mammal habitat _high mammal habitat
(max 15) J low bird habitat - moderate bird habitat .-:. high bird habitat
a--\
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2000 Wetland and Buffer Functions and Semi-quantitative Pertormance Assessment
[
d Wetland# :reA - k).j.tJ E'
Staff
~
Date 5h 102.
, ,
r
[
Cultural! ,dlow educational opportunities _moderate educational opportunities _ high educational opportunities
Soeioeeonom d.low aesthetic value _ moderate laesthetic value _ high aesthetic value
Ie .d..lacks commercial fisheries, _moderate commerclalllsheries, _ high commercial fisheries,
agriculture, renewable resources agriculture, renewable resources agriculture, renewable resources
.,{....Iacks historical or archeological _ historical or archeological site _Important historical or archeological
resources _ some passive and active recreational site
../ lacks passive and active recreational opportunities _ many passive and active recreational
points ~ opportunities opportunities .
(max 21) L privately owned _ privately owned some Dublic access unrestricted public access
r'
(
I
r-
[
Dominant Vegetation:
~ .Q."Jc-~ 't> f
Yoa... ?fl
,t\ ~ eA\'b ~ f'
Wildlife:
't',cr<'\..t.
f
r-
Notes:
"
f "
L
r-
l
RECEIVED
-,
JIl!:B:mB
\
'-
J.lli'; ~ i i J \: " . . . il'
I . . :.I~ . ,; ,i' , .
- r ~-"il~""".a.i.\f.I1I...'_"_ ~.. J , .......J...li
'L
r-,
2000 Wetland and Buffer Functions and Semi-quantitative Pertormance Assessment
-=tCf\ - 104e.d \-\
Staff ~
Date
5hioL...
I I
I ),j,.....J
Vr\l'! :
v~jf~
r
N/A = Not Applicable, NIl = No information available
r
Table 1: Determinin
Attribute
Absolute Size
Wetland Loss in Basin
Size Relative to Other
Wetlands in Basin (on
NWI ma s
Buffer Size
Buffer Condition
Total
I
'3.
c'
[
< 100% of
100 - 200 % oft
> 200% of
Relative Size
aver size aver e S1Ze avera e S1Ze
< 75 feet 75 to 200 feet > 200 feet
> 60% disturbed 20-60% disturbed < 20% disturbed
If score is 2: 1.4 then give the question a 1
If score is 1.5 to 2.4 then give the question a 2
If score is 2.5 to >3 then 've the uestion a 3
'3
[
[
score/5
2.
1.
Function Criteria
Group 1 1 pt Group 2 2pts Group 3 30ts
Flood! _size cumulative score (see Table 1) .f:.size cumulative score (see Table 1) _size cumulative score (see Table 1)
Storm Water _ riverine, or shallow depression .i.. mid-sloped wetland _lake, depressions, headwaters, bogs
Control ...L < 10 % forested cover - 10.30 % forested cover - > 30 % forested cover
.:L unconstrained outlet _ semi-constrained outlet - culvertlbermed outlet
points :L _located in lower 113 of the drainage _located In middle 113 of the drainage -J located in upper 113 of the drainage
(max 15)
Base Flow! _Size cumulative score (see Table 1) ~ Size cumulative score (see Table 1) _Size cumulative score (see Table 1)
Ground Water _ riverine, or shallow depression Lmld-sloped wetland _ lake,depressions, headwaters,bogs
Support _ located in lower 113 of the drainage _located in middle 113 of the drainage L located in upper 113 of the drainage
--L temporally flooded or saturated _ seasonally or semi-permanently _ permanently flooded or saturated,
points .;L flooded or saturated or Intermittently exposed
(max 15) .j veaetation < 20 % OBL soecles veaetation 20 to 40 % OSL soecles veaetation > 40 % OBL sDecies
Erosion! _ sparse grasshlerbs or no vag along _ sparse wood or veg along OHWM _ dense wood or veg along OHWM
Shoreline OHWM
Protection _ wetland extends < 30 m from _ wetland extends 30 - 60 m from _wetland extends> 200 m from
rJt<- OHWM OHWM OHWM
points _ _>60% shoreline developed _ 20 to 60% shoreline developed _ <20% shoreline developed
(max 9)
Water Quality L rapid flow through site _ moderate flow through site _ slow flow through site
Improvement _ < 50 % vag cover _ 50 . 80 % cover -J > 80 % vag rover
.j <2O"k of basin upstream from _ 20 to 50% of basin upstream from _> 50% of baslrt~J~ n
points 1.~ wetland Is developed wetland is developed R~ECeve, ' ,~
(max 15) I. Co result from Table 2 - result from Table 2 - result from Table 2
../ Soli coarse -gravel, Sand, sandyloam Soil organic mineral mix Soli he~~Jtgai!c 6iu~~peat
[
r
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2000 Wetland and Buffer Functions and Semi-quantitative Performance Assessment
Wetland # ::TO, - vJ~A H Staff ~ Date s/~!152
I I
Table 2: Overland Flow Contained in Wetland
Attribute Low 1 t. Medium 2 t8. Total
Configuration Plate-shaped Shallow bowl- Z.
sha ed
Drain e Basin Size < 2 acres 2- 5 acres ~
Outlet Unconstrained Semi -constrained I r
Input Groundwater Surface flow and
'l~
onl oundwater
Basin Condition <20% 20-40 % >40% \
. . . .
1m ervlOus un ervlOus un emous L
Flow Contained score/5 .. I. tP
Natural _size cumulative score (see Table 1) ..& size cumulative score (see Table 1) _size cumulative score (see Table 1)
Biological ~ low connectivity to veg'd buffers _ mod connectivity to veg'd buffers _ high connectivity to veg'd buffers
Support ../ ag land, low veg structure _ 2 layers of vegetation _ high veg structure
..L ~"easonal surface water _ permanent surface water _ open water pools through summer
_ one habitat type j two habitat types _;::. 3 habitat types
PAS POWPEM PSS PFO EST PABP~FOEST PAB POW PEM PSS PFO EST
_low plant diversity (< 6 species) L moderate plant diversity (J -15 spp) _high plant diversity (> 15 spp)
_> 50 % invasive species _ 10 to 50 % invasive species L < 10% Invasive species
L low organic accumulation _ moderate organic accumulation _high organic accumulation
L low organic export _ moderate organic export _ high organic export
L few habitat features _ some habilatleatures _ many habitat features
-Lbuffers very disturbed _ buffers slightly disturbed - buffers not disturbed
points Jl. .:..LlsOJated from upland habitats _ partially connected to upland habitats _ well connected to upland habllals
(max 36)
Overall _size cumulative score (see Table 1) z.. size cumulative score (see Table 1) _size cumulative score (see Table 1)
Habitat L low habitat diversity _ moderate habitat diversity _ high habitat diversity
Functions ::L low sanctuary or retuge _ moderate sanctuary or refuge _ high sanctuary or refuge
points .:1
(max 9)
Specific Llow invertebrate habitat - moderate invertebrate habitat _ high invertebrate habitat
Habitat L low amphibian habitat _ moderate amphibian habitat _high amphibian habitat
Functions L low fish habitat _ moderate fish habitat _ high fish habitat
points 2- Llow mammal habitat _moderate mammal habitat _high mammal habitat
(max 15) .J..low bird habitat _ moderate bird habitat _ high bird habitat
( !
I
I
Lj
1
I
L
I
L
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2000 Wetland and Buffer Functions and Semi-quantitative Performance Assessment
f-
d Wetland #
TeA - LU+eA H-
Staff ~
D ~Ja{'~
ate :.J, -LOG.
I ,
c
[
Cultural! ~ low educational opportunities _ moderate educational opportunities _ high educational opportunities
Socioeconom d....low aesthetic value moderate laesthetic value _ high aesthetic value
-
ic ./ lacks commercial fisheries, _ moderate commercial fisheries, _high commercial fisheries.
agriculture, renewable resources agriculture, renewable resources agriculture, renewable resources
.L lacks historical or archeological _ historical or archeological site _ important historical or archeological
resources _ some passive and active recreational site
J lacks passive and active recreational opportunilles _ many passive and active recreational
points Co opportunilles opportunities
lmax 21) J... privately owned privatelY owned some public access unrestricted public access
[:
r',
r
Dominant Vegetation:
~lnd g,;\i:!f::'b!lS,
\..J
Wildlife:
~
l'
t
r'
. Notes:
r,
r
L
L
l.
l
RECEYVEO
JIll 2 3 2Il8
I
L
JfifmnRmUN ruUUUttf :UUn
L
Function Criteria
Group 1 1 pt Group 2 2pts Group 3 3pts
Flood! ..Lsize cumulatlve score (see Table 1) _size cumulative score (see Table 1) _size cumulative score (see Table 1)
Storm Water _riverine, or shallow depression .:L. mid-sloped wetland _lake, depressions, headwaters, bogs
Control _ < 10 % forested cover .1... 10 - 30 % forested cover .:.::-> 30 % forested cover
_ unconstrained ouDet _ semI-constrained outlet L. culvertlbenned ouDet
points lL _located In lower 1 f.3 of the drainage _located in middle 1 f.3 of the drainage ~ located in upper 1/3 of the drainage
(max 15)
Base Flowl L Size cumulative score (see Table 1) _ Size cumulative score (see Table 1) _Size cumulative score (see Table 1)
Ground Water _ riverine, or shallow depression J' mid-sloped wetland _ lake,depressions, headWaters,bogs
Support _ located in lower 1/3 of the drainage _located In middle 1 f.3 of the drainage V located in upper 1/3 of the drainage
_ temporaily flooded or saturated _seasonally or seml-perrnanently ..L. permanently flooded or saturated,
points ~ f1ooc1ec1 or saturated or intermittently exposed
(max 15) ./ veaetatlon < 20 % eBL soecies veaetation 20 to 40 % OBL SPecies _ veaetation > 40 % OBL species
Erosion! _ sparse grasslherbs or no vag aiong _ sparse wood or veg aiong OHWM _ dense Wood or veg along OHWM
Shoreline OHWM
Protection _ wetland extends < 30 m from _ wetland extends 30 - 60 m from _wetland extends> 200 m from
NA OHWM OHWM OHWM
points _ _>60% shoreline developed _ 20 to 6O"k shoreline developed _ <20% shoreline developed
n(max 9)
Water Quality _ rapid flow through site _ moderate flow through site ./ slow ,flow through site
Improvement _ < 50 % vag cover _ 50 - 80 % cover .L> 80 % vag cover
_ <20% of basin upstream from _20 to 50% of basin upstream from ../> 50% of basin upstream from
points \ ~ wetland Is developed wetland is developed wetland Is developed
~ result from Table 2 R ~ r"ln 'If'm -.:...,."'~'~~?)
(max 15) _ result from Table 2 ' , " 'ltfr frn'bf 2 ' ' '.
~Jeu'-..P._ a e ' :.
_ Soli coarse -gravel, Sand, sandyioam ::L Soil organic mineral mix _ Soli heavy organic muck and peat
r'
2000 Wetland and Buffer Functions and Semi-quantitative Performance Assessment
r-
Wetland # J t.. A - u..:>\-ec\ -:::s-
Staff MJ,
Date 6!q[b7-
r-
Location S T R
NIA = Not Applicable, NIl = No information available
Table 1: Determinin
Attribute
Absolute Size
Wetland Loss in Basin
Size Relative to Other
Wetlands in Basin (on
NWI ma s
Buffer Size
Buffer Condition
r
{,
< 100% of
100 - 200 % of t
> 200% of
aver S12e aver e S12e avera e size
< 75 feet 75 to 200 feet > 200 feet
> 60% disturbed 20-60% disturbed < 20% disturbed
If score is 1.4 then give the question a 1
If score is 1.5 to 2.4 then give the question a 2
If score is 2.5 to >3 then .ve the uestion a 3
[
t-
Relative Size
r
t_
[
r
L
L
L
l
L
I
l
I tJ \...-J
Vr"'! :
{If'1!-h-
Total
I
'l.,.
l
I
2..'
score/5
4232008
l_
JiffERSON COUNfV ULU~
["1
i I
l J
2000 Wetland and Buffer Functions and Semi-quantitative Performance Assessment
Wetland #
'".JC~ - L0{{d -:r
Staff
D<b
Date
'0 ( cd 07...
· f
Table 2: Overland Flow Contained in Wetland
Attribute Low (1 pt.) Medium (2 ))ts.) Hi2'h (3 pts.) Total
Configuration Plate-shaped Shallow bowl- Deep Bowl-
shaped shaped 2..
Drainage Basin Size < 2 acres 2- 5 acres '> 5 acres 3
Outlet Unconstrained Semi-constrained Constrained 3
Input Groundwater Surface flow and Surface flow
only groundwater t
Basin Condition <20% 20-40 % >40% I
impervious impervious impervious
Flow Contained score / 5
"2.
Natural ..L size cumulative score (see Table 1) _size cumulative score (see Table 1) _size cumulative score (see Table 1)
Biological _low connectivity to veg'd buffers .L mod connectivity to veg'd buffers _ high connectivity to veg'd buffers
Support _ ag land, low veg structure L 2 layers of vegetation _ high veg structure
_ seasonal surface water _ permanent surface water _ open water pools 1hroughsummer
_ one habitat type J two habitat types _;2:. 3 habitat types
PAS POW PEM PSS PFO EST PAS POW PEM@8 EST PAS POW PEM PSS PFO EST
_low plant diversity (< 6 species) _moderate plant diversity (7-15 spp) _high plant diversity (> 15 spp)
J> 50 % Invasive species _ 1 0 to 50 % Invasive species _ < 10% invasive species
_low organic accumulation _ moderate organic accumulation .L high organic accumulation
_low organic export J moderate organic export _high organic export
_ few habitat features J some habitat features _ many habitat features
.Lbuffers very disturbed _ buffers slightly disturbed - buffers not disturbed
points leL _Isolated from upland habitats .L partially connected to upland habitats _ well connected to upland habitats
(max 36)
Overall .Lslze cumulative score (see Table 1) _size cumulative score (see Table 1) _size cumulative score (see Table 1)
Habitat _low habitat diversity L moderate habitat diversity _ high habitat diversity
Functions _low sanctuary or refuge ./ moderate sanctuary or refuge _ high sanctuary or refuge
points ..2
(max 9)
Specific _low invertebrate habitat ../ moderate invertebrate habitat _ high invertebrate habitat
Habitat .::L low amphibian habitat _ moderate amphibian habitat _high amphibian habitat
Functions J low fish habitat _ moderate fish habitat _ high fish habitat
points J2. _J.c>wmt!Jllmal habitat . ./ moderate mammal habitat _high mammal habitat
(max 15) _low bird habitat ../ moderate bird habitat _ high bird habitat
~ ~ .,..... ~",'"'"' ------
ll\.. ". \.J .' [I .~ I "
. .Lj.._d~. Ll....o:.1' I. ,~ 'l f " 'j
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2000 Wetland and Buffer Functions and Semi-quantitative Performance Assessment
I
d Wetland #
:rc A -I,V\-ed 'T
Staff tab
Date -.2.lodD 2..
I
r
L
Culturall v'low educational opportunities _moderate educational opportunities _ high educational opportunilies
Socioeconom .:L low aesthetic value _ moderate laesthetic value _ high aesthetic value
ic d..lacks commercial fisheries, _moderate commercial fisheries, _high commercial fisheries,
agriculture, renewable resources agriculture, renewable resources agriculture, renewable resources
""lacks historical or archeological _historical or archeological site _Important historical or archeological
resources _ some passive and active recreational site
.J.. Jacks passive and active recreational opportunitles _many passive and active recreational
points ..2 opportunities opportunities
(max 21) .J Drivatelv owned Drivatelv owned some public access unresbicted DubUc access
{
r,
J;
r Dominant Vegetation:
L
~A twAv-...
Wildlife: ~~ 'rdw..:\s ~ 'N\.aN'i\>MfJ2e,
[
\<\.;, "'''c,Qli'i -1\.1-" It::> \/;lc,..\~,... ~lI~~',~
L
[
Notes:
I.
[
L
[
RECEIVEO
t
JlI. 2 :I 3UI
JJ.ffEBSUN. COUNn illillJ
L
[
2000 Wetland and Buffer Functions and Semi-quantitative Periormance Assessment
f'"
Wetland #
:reA "" !A.)d,.QA L
Staff_~R:,
Date ~ 1<1 iD'L
, I
I LP.\...-)
Vr\"I :
(y -1/ ~
r-
Location S T R
NIA = Not Applicable, NIl = No information available
c-
L_
Table 1: Determinin
Attribute
Absolute Size
Wetland Loss in Basin
Size Relative to Other
Wetlands in Basin (on
NWI ma s
Buffer Size
Buffer Condition
Wetland Size iIi Landsca e Context
Low 1 t. Medium 2 ts.
<5 acres 5-10 acres
> 60 % 20 - 60 %
Total
l.
'Z..
I
r
< 100% of
100 - 200 % oft
> 200% of
I.
aver e SiZe aver e SiZe
75 to 200 feet > 200 feet
> 60% disturbed 20-60% disturbed < 20% disturbed
If score is 2:1.4 then give the question a 1
If score is 1.5 to 2.4 then give the question a 2
If score is 2.5 to >3 then 've the uestio:l1 a 3
J
I
score/5
[
['
Relative Size
I !
1_
Function Criteria
Group 1 1 pt Group 2 2pts Group 3 3pts
,
Flood! ..L.slze cumulative score (see Table 1) _ size cumulative score (see Table 1) _size cumulative score (see Table 1)
Storm Water L riverine, or shallow depression _ mid-sloped wetland _lake, depressions, headwaters, bogs
Control -L.. < 10 % forested cover _ 10.30 % forested cover _>30 % forested cover
~ unconstrained outlet _ semi-constrained oullet _ culvertJbenned outlet
points l ~ located in lower 1/3 of the drainage _located in middle 1/3 of the drainage ..i:,located in upper 11.3 of the drainage
(max 15)
Base Flow! ..LSlze cumulative score (see Table 1) _ Size cumulative score (see Table 1) _Size cumulative score (see Table 1)
Ground Water ..L.. riverine, or shallow depression _mid-sloped wetland _ lake,depressions, headwaters,bogs
Support _ located In lower 11.3 of the drainage _located in middle 11.3 of the drainage .",Llocated In upper 1 1.3 of the drainage
_ temporally flooded or saturated .:L. seasonally or semi-pennanently _ pennanently flooded or saturated,
points .! flooded or saturated or intermittently exposed
(max 15) ,/ veaetation < 20 % OBl soecies veoetation 20 to 40 % OBl soecIes veaetation > 40 % OBl species
Erosion! _ sparse grasslherbs or no veg along _ sparse wood or veg along OHWM _ dense wood or veg along OHWM
Shoreline OHWM
Protection _ wetland extends < 30 m from _ wetland extends 30 - 60 m from _wetland extends> 200 m from
rJr- OHWM OHWM OHWM
points _ _>60% shoreline developed _ 20 to 60% shoreline developed _ <20% shoreline developed
(max 9)
Water Quality _ rapid now through site ./ moderate flow through site _ slow flow through site
Improvement _ < 50 % vag cover _50-80 % cover ./ > 80 % vag cover
_ <20% of basin upstream from _ 20 to 50% of basin upstream from -/ > SOOIO of basimtream from . ."
points ,\.L\ weiland Is developed wetland is developed R~gevelJglE 0
(max 15) 1:1 result from Table 2 - result from Table 2 - result from Table 2
_ Soil coarse -gravel, Sand, sandyloam L Soil organic mineral mix _ Soil h~~yy'prg~io]1U9~q.;rP peat
L
L
L
r '
L
l
JEffERSON WlJNfY DeD
l
l.1
2000 Wetland and Buffer Functions and Semi-quantitative Performance Assessment
Wetland # ';1:r-.A ~ u.) -\-Q~ L Staff ~ Date 5.1~lo2.
Table 2: Overland Flow Contained in Wetland r
Attribute Low! Medium 2 Total l
t. ts.
Configuration Plate-shaped Shallow bowl- I-I
sha ed \
l ,
Drain e Basin Size < 2 acres 2- 5 acres 3
Outlet Unconstrained Semi-constrained \
Input Groundwater Surface flow and
onI oundwater
Basin Condition <20% 20-40 % >40% \'
. . . . . .
1m ervlous 1m emous 1m emous
Flow Contained score/5 ~\.Y
Natural
Biological
Support
points i2..
(max 36)
Overall
Habitat
Functions
points "3
(max 9)
Specific
Habitat
Functions
points fA.
(max 15)
Lslze cumulative score (see Table 1)
.L low connectivity to veg'd buffers
-.) ag land, low veg structure
I
../ seasonal surface water
.:L one habitat ~
PASPOW~PSSPFOEST
_low plant diversity (< 6 species)
_> 50 % invasive species
-.L low organic accumulation
:L.low organic export
:L few habitat features
:.l. buffers very disturbed
~ Isolated from upland habitats
_size cumulative score (see Table 1)
_ mod connectivity to veg'd buffers
_ 2 layers of vegetation
_ permanent surface water
_ two habitat types
PAS POW PEM PSSPFO EST
L moderate plant diversity (7-15 spp)
_ 10 to 50 % Invasive species
_moderate organic accumulation
_ moderate organic export
_ some habitat features
_ buffers sllghtiy disturbed
_ partially connected to upland habitats
.Lsize cumulative score (see Table 1)
L low habitat diversity
.:i. low sanctuary or refuge
_ size cumulative score (see Table 1)
_ moderate habitat diversity
_ mqderate sanctuary or refuge
L low invertebrate habitat
_low amphibian habitat
':iL low fish habitat
-J low mammal habitat
.::L low bird habitat
_ moderate Invertebrate habitat
../ moderate amphibian habitat
_ moderate fish habitat
_ moderate mammal habitat
_ moderate bird habitat
_size cumulative score (~T$le 1)
_ high connectivity to veg'd buffers
_ high veg structure
_ open water pools through summer
_<::. 3 habitat types
PAS POW PEM PSS PFO EST
_high plant diversity (> 15 spp)
:L.< 10% invasive species
~ high organic accumulation
_ high organic export
_ many habitat features
_ buffers not disturbed
_ well connected to upland habitats
u
1-
_size cumulative score (see Table 1)
_ high habitat diversity
_ high sanctuary or refuge
. i
----
_high Invertebrate habitat
_ high amphibian habitat
_ high fish habitat
_high mammal habitat
~--------'_. _._-~._..-.. '........ --
_ high bird habitat
f.--\
~ 1 H \\/ It-"" "J'
e.\. ~_:-1 \!'-./ i,...,. II \ !\" Ii '
J~ Jft ~ ~ ~\JiJa
i~.":""r"/l~: ..;.~!;T"'/ nr'f'
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2000 Wetland and Buffer Functions and Semi-quantitative Peliormance Assessment
'd Wetland #
"""'rA ,- ! ,\,IJ); ,
,.' , ),-,"".,(1. L..
Culturall
Socioeconom
ic
.J low educational opportunities
./ low aesthetic value
..Llacks commercial fisheries,
agriculture, renewable resources
Jlacks historical or archeological
resources
...Llacks passive and active recreational
points fa..
owned
Dominant Vegetation:
s.~.Q.,d.J.>~ o6-c'4.~
Staff
\':;;i~
Date sf:;:; \0'1
_moderate educational opportunities
_ moderate laesthetic value
_ moderate commercial flsherles,
agriculture, renewable resources
_historical or archeological site
_ some passive and active recreational
opportunitJes
Wildlife:
'-N-,\c.&.. ~ \JCl~
Notes:
_ high educational opportunities
_ high aesthetic value
_high commercial fisheries,
agriculture, renewable resources
_'mportant historical or archeological
site
_many passive and active recreational
opportunities
unrestricted ubllc access
,.,- ~ -"'"
. ',_ I
4 Hf 'Y" () (J'[) I.:
I I ~ t~)~) It. I. ,,.J.
, ;.\ ~i ('. ,. ~'
~.. . ~