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File No. 12677-001-06
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DRAFT
Wetland and Wetland Buffer Mitigation
Plan
File No. 12677-001-06
August 21, 2008
Prepared for:
Statesman Corporation
7370 Sierra Morena Blvd SW
Galgary, Alberta Canada T3H 4H9
Attention: Garth Mann
Prepared by:
GeoEngineers, lnc.
1550 Woodridge Drive SE
Port Orchard, Washington 98366
(360) 769-8400
GeoEngineers, lnc.
MichaelW. Simmons
Staff Biologist
Joseph O. Callaghan
Senior Biologist
Marcelle V. Lynde
Associate
JWP:MWS:JOC:MVL
ORCH\12\12677001\06\Finals\l267700l06Wetland DraftR.doc
Disclaimer: Any electronic form, facsimile or hard copy of the original document (email, text, table, and/or figure), if provided, and any
attachments are only a copy of the original document. The original document is stored by GeoEngineers, Inc. and will serve as the official
document ofrecord.
Copyright@ 2008 by GeoEngineers, Inc. All rights reserved.
File No. I 2677-001 -06
TlsLe or CorurENTs
INTRODUCTION
REPORT SCOPE.
PROJECT LOCATION
PROJECT DESCRIPTION..
PROPOSED MITIGATION PROJECT..
MITIGATION PROJECT DESCRIPTION..............
DESCRIPTION OF THE DEVELOPMENT SITE..
ASSESSMENT OF THE IMPACTS AT THE DEVELOPMENT SITE.
WATER REGIME
VEGETATION..
FAUNA
LANDSCAPE POSITION AND GEOMORPHOLOGY ............
FUNCTIONS
BUFFERS
MITIGATION APPROACH
BASELINE CONDIT]ONS OF THE MITIGATION AREA..
DESCRIPTION OF MITIGATION AREA.................
HISTORIC AND CURRENT LAND USE
WETLAND FEATURES
WATER REGIME
SOILS..
VEGETATTON ............
FAUNA
LANDSCAPE POSITION AND GEOMORPHOLOGY ................
BUFFERS..
DESCRIPTION OF MITIGATION SITE PLANS...
WATER REGIME
SOILS
GRADING PLAN/SITE MAPS.........
PLANTING/LANDSCAPE PLANS....
BUFFERS..
Wetland C ................
Wetland D................
MITIGATION SITE.SPECIFIC GOALS, OBJECTIVES AND PERFORMANCE STANDARDS
GOALS
OBJECTIVES
COMPENSATORY PLAN
DRAFT
Paoe No.
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File No. I 2677-001-06
August 2 1, 2008
Page i GtoExcrnurs.1y'
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TeeLe or CorurENrs (Connxueo)
Paoe No.
MONITORING PLAN
METHODS.....
PERFORMANCE STANDARDS .
SITE PROTECTION......
MAINTENANCE ...........
CONTIGENCY PLAN
IMPLEMENTATION SCHEDULE
LtM|TAT|ONS..........
REFERENCES........
List of Tables
Table '1. Categorization and Area of Wetland B ...
Table 2. Functional Assessment of Wetland B ................
Table 3. Jurisdictional Guidance for Wetland Replacement Ratios from Jefferson County and Ecology..
Table 4. Project Proposal Wetland Replacement Acreage....
Table 5. Proposed Vegetation for Mitigation Planting..
Table 6. Proposed Vegetation for Wetland C Buffer Mitigation....
Table 7. Proposed Vegetation for Wetland D Buffer Mitigation ....
Table 8. Proposed Project Timeline
List of Figures
Figure 1. Vicinity Map
Figure 2. Site Map
Figure 3. Golf Course Wetland Mitigation Plan and Wildlife Conidor Map
Figure 4. NationalWetlands lnventory Map
Figure 5. Soils Survey Map
Figure 6. Wetlands and Stream Map
Figure 7. Golf Course Wetland Mitigation Map
Figure 8. Kettle C Wetland Mitigation Grading Map
Figure 9. Kettle C Wetland Mitigation Planting Plan
Figure 10. BufferAveraging Plan
Figure 11. Golf Course Wetland C Buffer Planting Plan
Figure 12. Golf Course Wetland D Buffer Planting Plan
APPENDICES
APPENDIX A - USACE JURISDICTIONAL DETERMINATION LETTER
APPENDIX B - SITE PHOTOGRAPHS
APPENDIX C _2004 WESTERN WASHINGTON RATING FORMS
APPENDIX D - PLANT DESCRIPTIONS
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File No. 12677-001-06
Augusr 21,2008
Page ii GeoExctxezt2.lQ
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Jerrenson Counw, Wasxrncron
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INTRODUCTION
This report presents the Wetland and Wetland Buffer Mitigation Plan (Mitigation Plan) for the proposed
Master Planned Resort (MPR) near Brinnon in Jefferson County, Washington. The Brinnon MPR
(Master Land Use Application [MLA] 06-87) is situated on approximately 250 acres around Pleasant
Harbor and on Black Point and will consist of an l8-hole championship golf course, residentialhousing, a
marina and maritime village. GeoEngineers, Inc. (GeoEngineers) was contracted by Statesman
Corporation (Statesman) to prepare a Mitigation Plan to compensate for impacts to wetland and wetland
buffers as a result of the MPR. This report was prepared utilizing information obtained from site
inspections and the Final Environmental Impact Statement (FEIS) (Jefferson County 2007) for the
Brinnon MPR. This Mitigation Plan proposes to compensate for wetland impacts with on-site and in-kind
wetland creation following the guidelines for compensatory mitigation as outlined in the Washington
State Department of Ecology (Ecology) lVetland Mitigation in Washington State report (Ecology 2006a &
2006b), Jefferson County Code (JCC) Chapter 18.22Part 350 Mitigation (Jefferson County 2008) and to
meet the condition(s) set forth by Jefferson County for wetlands and buffers (lvII-A 06-87, Ordinance 0l-
0128-08). The local jurisdiction and lead environmental review authority is Jefferson County.
REPORT SCOPE
Statesman is requesting approval for wetland alteration through Jefferson County and Ecology. Ecology
will review this request using administrative orders of the state Clean Water Act (90.48 RCW) under the
standards of the 401 Water Quality Certification process (WAC 173-201A). The United States Army
Corps of Engineers (USACE) has determined that the on-site wetlands identified in the report titled
Pleasant Harbor Marina and Golf Resort lletland Delineation (GeoEngineers 2006a) are hydrologically
isolated; and therefore, are not regulated as waters of the United States (Appendix A).
The conceptual and final Mitigation Plans prepared by GeoEngineers will comply with the JCC pertaining
to wetland protection and mitigation criteria, mitigation conditions of the MLA and Ecology's lletland
Mitigation in Washington State: Part 2 Developing Mitigation Plans, which has been approved by the
USACE and the United States Environmental Protection Agency. As stated in FEIS Chapter 5, "the
wetland mitigation plan will be developed in conjunction with the detailed design phase of the project and
will be required at the outset of the grading plan in advance of final plat approval and project
development when details of the construction will be available." This Mitigation Plan was compiled
based on site topography, on-site field reconnaissance and a review of preliminary development plans.
This Mitigation Plan strictly covers conditions and plans as they relate to wetland alteration. There are
five streams located within the MPR and buffer mitigation plans have been developed for those streams in
a separate Habitat Management Plan (HI!P) produced by GeoEngineers in conjunction with this report
(Habitat Management Plan, Brinnon Master Planned Resarl (GeoEngineers 2008)).
FileNo. I2677-001-06
August 21,2008
Page 1 GeoExetxeensiQ
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PROJECT LOCATION
The Brinnon MPR is located along the western shoreline of the Hood Canal surrounding Pleasant Harbor
and on Black Point in Sections 15 and 22 of Township 25 North, Range 2 West of the Willamette
Meridian. The MPR property, herein referred to as the site, consists of 13 parcels (50215-2005, -2012, -
2013, -2014, -2015, -2016, -3002, -3003, -3020, -3021, -3022, -3023 and -4002) and is approximately 1.5
miles south of Brinnon in Jefferson County, Washington (Figure l-Vicinity Map). The site is located in
the Skokomish-Dosewallips Water Resource Inventory Area (WRIA 16) and is part of the East Olympic
and Hood Canal Basins. The 252.4 acre site (15.2 acres of Washington State Department of Natural
Resources [DNR] Lease) is partially developed and comprised of three main development sections as
identified in Figure l. Section I is approximately 220 acres on Black Point, which extends east
approximately I mile into Hood Canal, and was historically used as the Pleasant Harbor RV Park.
Sections 2 and3 consist of approximately 35 acres, 15 of which are aquatic and leased from the DNR,
and are located on the northwest shoreline of Pleasant Harbor which is a shallow cove of Hood Canal
north of Black Point. Currently, Sections 2 and 3 are being utilized for a variety of purposes including
business (real-estate office), recreational (the marina) and commercial (restaurant and convenience store).
PROJECT DESCRIPTION
Statesman intends to develop a mixed-use resort development on the 252.4 acre site south of Brinnon,
Washington. Section I of the proposed development (sometimes referred to as Black Point Properties)
will consist of an lS-hole championship golf course, club house, residential facilities and associated
amenities. Sections 2 and 3 will include the Maritime Village, associated amenities and marina.
Photographs of the three sections are located in Appendix B-Site Photographs.
Section I is the proposed site for an l8-hole championship golf course that will contain an approximately
60,000-square-foot resort center including a restaurant, conference center, spa, pro shop, and offices.
This section will also contain a community center, water treatment plant and ponds, and 802 seasonal and
permanent residences. Based on draft plans, the completed golf course resort will consist of roughly I I
percent impervious surfaces,6l percent will consist of pervious surfaces and 28 percent would be left
undisturbed with native vegetation.
Sections 2 and3 are composed of approximately 20 acres located in between Highway l0l and Pleasant
Harbor. These sections will contain commercial facilities that will provide a variety of uses and 88
permanent and seasonal residential dwellings. The proposed development in Section 3 will utilize
existing impervious surfaces by developing within the footprint of the existing structures to the great€st
extent feasible. As part of this development, the existing septic tanks and pump house will be replaced
with a sewage treatment plant and water treatment system. The fuel containment tanks and pump will be
replaced with a new fuel system. A new one-way entrance access from Black Point Road to the Maritime
Village area will be developed and the current marina access from Highway l0l will become a one-way
exit. The existing marina will be retained with no plans for expansion, although several existing wooden
docks and docks with Styrofoam billets will be replaced with concrete docks as part of a tunicate
eradication plan (described in detail below). Based on draft plans, the roughly 20 acres in Sections 2 and
3 will consist of approximately 22 percent impervious surfaces, 5 percent pervious surfaces and 73
percent would be left undisturbed with native vegetation.
File No. I 2677-001 -06
August 2 I, 2008
Page 2 GeoExetxeeesiQ
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PROPOSED MITIGATION PROJ ECT
Mrrrcarrox PRo.lecr Descrupnon
The MPR will incorporate an on-site water treatment and recycling program into the layout of the golf
course and residential dwellings in Section l. The on-site water program will impact one wetland
(Wetland B) which will be used as a control pond for the water treatment system. This pond will collect
water from the MPR and recycle for use by the golf course inigation system. The on-site recycling of
water will decrease the amount of fresh water necessary to operate the Golf Course. This pond will also
be used as a driving range for golfers. Wetland B is described in detail in the report entitled Pleasant
Harbor Marina and Golf Resort Wetland Delineation (GeoEngineers 2006a).
Wetland B is located at the bottom of a large kettle in the center of Section l. A kettle is a geologic
landform created from receding glaciers that were buried by glacial outwash. Once the glacier melted, a
large depression was created were the glacier once resided. Statesman is proposing to partially fill and
collect recycled water within this kettle; thus, impacting Wetland B at the bottom of the kettle. The fill
will impact 20,693 square feet (0.475 acres) of Category III scrub-shrub wetland and its corresponding
buffers. Both Ecology and Jefferson County have set their wetland mitigation ratio for creation to offset
impacts to Category III wetlands at 2:l (creation: impact). The purpose of this report is to provide a
Mitigation Plan for the compensatory creation of new wetland features and wetland buffers as well as the
enhancement of existing wetland buffers on-site and in-kind.
The wetland categorization presented in this report differs from what is presented in the 2006 wetland
delineation report (GeoEngineers 2006a) due to the adoption of a new Jefferson County critical areas
ordinance (JCC Chapter 18.22) in March of 2008. The new JCC requires the use of Ecology's 20M
Washington State l{etland Rating System for Western Washington (Ecology 2004). GeoEngineers
biologists re-rated Wetland B using Ecology's 2004 rating system and concluded that it is a Category III
wetland as presented in Appendix C-2004 Westem Washington Rating Forms.
An overview plan of the proposed MPR depicting the golf course layout, buildings, maritime village,
marina and critical areas is presented in Figure 2. Statesman is planning to begin construction of the
MPR in the summer of 2009 but there is no set end date for construction activities. This Mitigation Plan
will be implemented prior to the filling of Wetland B and the anticipated start date for the mitigation
construction activities is also the summer of 2009. The approximate time period for construction of the
mitigation wetlands and buffers is four months.
The proposed project sequencing will occur as follows:
o Mobilization to the mitigation site,
o Fill and grading of the mitigation site to desired grades,
e Planting of identified mitigation vegetation species,
o Revegetation of the disturbed areas,
. Enhancement of existing wetland buffers, and
o Cleaning up and demobilization from the mitigation site.
File No. 1 2677-00 I -06
August 21, 2008
Page 3 GeoExetxeeaslQ
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DescRrpnoN oF rxe Deveuopuenr Srre
Wetland B is located at the bottom of a large kettle in the center of Section I as shown in Figure 3. The
kettle is approximately 140 feet deep with moderately steep slopes that were formed in glacial till. The
catchment basin for Wetland B is approximately thirty times the size of the wetland and the main source
of hydrology comes from precipitation and localized surface run-off within the catchment basin. Wetland
B is listed on the National Wetland Inventory NWI) map (United States Fish and Wildlife Service 1987)
as presented in Figure 4-National Wetland Inventory Map, but is not located within a Federal Emergency
Management Agency 100-year floodplain. There are two other wetlands (Wetland C and D) located
within the boundaries of Section I as shown in Figure 3. These two wetlands are discussed in detail in
the wetland delineation report (GeoEngineers 2006a) and neither of the wetlands will be adversely
impacted by construction activities. All of the wetlands identified onsite were determined to be isolated
wetlands and not federally jurisdictional as outlined in the jurisdictional determination from the Corps of
Engineers dated March 27,2007 . Photographs of Wetlands B, C and D are shown in Appendix B - Site
Photographs.
Wetland B is densely occupied by native scrub-shrub and emergent wetland vegetation. Vegetation
within Wetland B is dominated by false lily-of-the-valley (Maianthemum dilatatum. FAC [Facultative]),
slough sedge (Carex obnupta, OBL [Obligate]), hardhack (Spiraea douglasii, FACW [Facultative Wet])
and juvenile red alder trees (Alnus rubra, FAC). The wetland buffer is intact and consists of moderately
steep slopes with a multi-layer second growth forest dominated by Douglas ftr (Pseudotsuga menziesii,
FACU [Facultative Upland]) and westem hemlock (Tsuga heterophylla, FACU) with an understory of
westem sword fem (Polystichum munitum, FACU), salal (Gaultheria shallo,n, FACU), red huckleberry
(Vaccinium parvifolium, FACU) and evergreen huckleberry (Yaccinium ovatum, UPL [Upland]).
Section I contains many sanitary stations that were historically used for RV Park patrons. They are
currently abandoned and there is one located at the top of the kettle. There are no structures located in the
kettle and an old logging road is the only path leading down the slopes to Wetland B. There are no
known historical land uses or structures associated with the site or adjacent parcels; however, a cultural
resources monitoring program will be in place during construction activities in case historical artifacts are
encountered.
ASSESSMENT OF THE IMPACTS AT THE DEVELOPMENT SITE
There are three wetlands located on the site but only Wetland B will be impacted from the development
activities. Wetland B is 20,693 square feet in size and the entire wetland is being proposed for fill.
Waren Recrue
Seasonal precipitation and localized run-off is the primary source of hydrology for Wetland B. The
moderately steep slopes of the kettle capture water as it falls into the basin and directs it into bottom of
the kettle. Signs of inundation in Wetland B include marks of ponded water up to two feet on vegetation,
water stained leaves, adventitious roots and buttressed tree trunks. Other signs of hydrology included
signs of saturation within 12 inches of the surface specifically including oxidized rhizospheres, low-
chroma soils and hydrophytic vegetation. Hydrology appears to be present on a seasonal basis starting in
the late fall and ending in the spring. The wetland loses its ponded water during the late spring and
summer months but still retains saturation within l2 inches of the soils surface.
The kettle that Wetland B resides in will be filled with water and the water level will be governed for use
in the water recycling system and the golf course driving range. The kettle and pond will still collect the
File No. I 2677-001-06
August 21,2008
Page 4 GeoExeneeas-.1Q
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DRAFT
same amount of direct precipitation from the site. The water in the filled kettle will be incorporated into
the irrigation system for use on the golf course. Filling Wetland B with water will create a larger,
deepwater hydrologic feature that can be used as habitat for waterfowl and amphibians.
Sorr-s
Hoodsport-Grove very gravelly sandy loam is mapped within the Wetland B (Figure 5-Soils Survey
Map). This soil is generally found in upland areas and is associated with glacial till that typifu the
surrounding landscape (United States Department of Agriculture [USDA] 1975). Hoodsport-Grove very
gravelly sandy loam is a moderately well drained soil type and is not listed as hydric on the Jefferson
County Hydric Soils List (USDA 2001). The soils within Wetland B will be covered with an
impermeable layer and then water will be filled in the kettle to the desired level.
Veceranott
Wetland B is classified under the Cowardin Rating System (Cowardin et al. 1979) as a Palustrine scrub-
shrub wetland and is currently undeveloped. The scrub-shrub layer of the wetland is primarily comprised
of hardhack and juvenile red alder. The herbaceous layer is comprised of false lily-of+he-valley, slough
sedge and miscellaneous grasses. Douglas fir, westem hemlock, western sword fem, salal, red
huckleberry and evergreen huckleberry occupy the steep slopes in the upland portion ofthe kettle. The
kettle has been historically logged and the existing vegetation is approximately 50 years old. A query of
DNR Natural Heritage Features list revealed no presence of rare or sensitive plants on or within the
vicinity of Wetland B (DNR 2008). The construction of the control pond for the water treatment system
in the kettle will require the removal of vegetation on the slopes and within Wetland B; therefore,
vegetation in Wetland B and its corresponding buffer will be removed.
Faura
Wetland B contains seasonal open water and emergent and scrub-shrub vegetation for food, hiding cover
and shelter that currently supports a variety of wildlife species including mammals, birds, reptiles and
amphibians. During our field visits, we observed numerous bird species as well as tracks and signs from
various wildlife species such as black-tail deer and coyotes. Wetland B is not directly connected to
streams, tributaries or other wetlands that could provide habitat for fish species. A review of a
Washington Department of Fish and Wildlife (WDFW) Priority Habitat and Species (PHS) map (WDFW
2008) shows no presence of critical habitat or sensitive species on or within the vicinity of the
development site. The report titled Pleasant Harbor Marina and Golf Resort Fish and Wildlife Habitat
Assessment (GeoEngineers 2006b) described the fish and wildlife presence and habitat quality on and
within the vicinity of the site. The filling of Wetland B and corresponding buffer will result in the loss of
habitat primarily used by birds, mammals and reptiles but in return will create additional habitat for
waterfowl and amphibians.
LIHoscIpE PosITloN AND GEoMoRPHoLoGY
Wetland B is positioned at the bottom of the watershed and collects precipitation runoff from the slopes
surrounding the kettle. Hydrologic input enters the wetland but does not directly discharge back into the
watershed due to its depressional and isolated nature. It was classified by both the Cowardin System
(Cowardin et. al. 1979) and the Jefferson County four-tiered rating system that corresponds to the 2004
Ecology rating system as shown in Table l. Wetland B is rated as a Category III wetland within an area
planned for a high intensity land use and a high score for habitat value. A copy of the 2004 Ecology
rating form for Wetland B is located in Appendix C.
File No. I 2677-001-06
August 21,2008
Page 5 GeoExetxeeeslQ
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Table 1. Categorization and Area of Wetland B
Cowardin Rating System Jeffercon
County
Rating
Buffer
width
(feet)Area ln Square Feet (acres)System Class Water Regime
20,693 (0.475)Palustrine Scrub-shrub Seasonally Flooded ilt 150
Fuucrroxs
GeoEngineers used Ecology's wetland function assessment (Hruby et al. 1999) methods for depressional
closed systems. The results of the functional assessment for Wetland B are presented below in Table 2.
Table 2. Functional Assessment of Wetland B
Note: NA=Not
Wetland B is a depressional closed system that does not provide the opportunity for functioning in several
of the assessment categories shown as NA in Table 2. Wetland B has high index scores for the water
quality functions that filter and remove sediment and nutrients, as well as a high density of scrub-shrub
vegetation that filten run-off. The catchment area to wetland area ratio is a factor in the lower score for
removing heavy metals and run-off, as the highest index value is attributed to wetlands that provide that
function for catchment areas that are many times larger. The surrounding land use is relatively
undisturbed giving the wetland unit a lower value for water quality functions. Groundwater recharge
function is high, due to the capture of all precipitation and direct connection to the groundwater table.
File No. I 2677-001-06
August 2 1, 2008
Function
Quantltative lndex
(0 is low; 10 ls hlgh)
Opportunlty Ranking
(Qualltative)
Water Quality
Removing Sediment 10 Low
Removing Nutrients 5 Moderate
Removing Heavy Metals and Toxic Organics 5 Moderale
HydrologyMlater Quantity
Reducing Peak Flows NA NA
Decreasing Downstream Erosion NA NA
Groundwater Recharge 7 High
Habitat Suitability
General 10 High
lnvertebrates 8
Amphibians I
Anadromous Fish NA NA
Resident Fish NA NA
Wetland-Associated Birds 5
Wetland-Associated Mammals 5
Native Plant Richness 6
Primary Production and Export NA NA
Page 6 GeoExetxzze2lQ
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Wetland B provides a high general habitat function, especially for smaller species such as invertebrate,
amphibians and birds. The sunounding forested areas, which will be removed when the kettle is filled,
contribute significantly to this score. Native plant richness provides moderate function, but the overall
size of the wetland results in a moderate score in functional capacity for mammals. The wetland also
serves a moderate habitat function, particularly for wetland-associated birds and mammals, by providing a
small refuge for animals that are being displaced from surrounding habitat as it is developed.
BurreRs
The Jefferson County designated wetland buffer for a Category III wetland with high impact land use and
a high habitat function score is 150 feet from the edge of the wetland. The buffer surrounding Wetland B
is occupied by a multi-layer second growth forest with relatively little invasive species. This buffer is
undisturbed and serves as a wildlife corridor and also as habitat for numerous bird, mammal, and reptilian
species. The 150-foot buffer surrounding Wetland B will be cleared of vegetation to accommodate the
proposed water recycling system and driving range.
MITIGATION APPROACH
Current regulatory policies accentuate the importance of providing mitigation for loss of wetland function
resulting from development. Typically, mitigation consists of creating, enhancing and restoring wetland
areas either on-site, off-site, in-kind or out-of-kind, wetland banking or any combination of these. This
report has been prepared to describe the on-site and in-kind compensatory wetland mitigation actions
proposed by the applicant.
Ecology's publication entitled Wetland Mitigation Washington State: Agency Policy and Guidance
(2006a) states that "the first step of any project impacting wetlands should be to avoid impacts to wetland
and aquatic resources to the maximum extent possible." The l8-hole championship golf course at the
MPR has the goal of reducing water consumption by recycling treated water into the golf course irrigation
system. To achieve this goal, Statesman plans to construct several stormwater control ponds to supply the
on-site water recycling facility. Because of the limited area due to the proposed golf course and
topography, Wetland B will be filled with water in order to create one of these stormwater confiol ponds.
Since the goal of the MPR is to limit water consumption by reclaiming golf course and stormwater run-
off, there is limited altemative land to create control ponds the required size, thus the impact to Wetland B
cannot be avoided.
Ecology further states that if avoidance of wetland impacts cannot be achieved, then wetland impact
minimization should be considered (Ecology 2006a). Due to the limited land area of the MPR, the
impacts to the wetland feature could not be minimized through redesigning the project. Instead,
Statesman included this feature as a part of the design for the water treatment and recycling system to take
advantage of the natural landform. The depressional, kettle landform will need minimal grading to
accomplish the planned control pond at that location. In addition, the water collected at this site is part of
a plan for reuse in the golf course irrigation system and result in an overall decrease of water consumption
by the MPR.
To offset the fill of Wetland B, Statesman is proposing compensatory mitigation in another large kettle
south of the Wetland B kettle. Jefferson County replacement ratios, based on Ecology's (2006a)
document, were utilized to determine the amount of wetland creation required and forms the basis of the
preparation of this plan. It is the overall mitigation goal of this project to provide no net loss of wetland
functions, values or acreage as a result of development. Mitigation will be on-site and in-kind through
wetland creation.
File No. I 2677-001-06
August 21, 2008
Page 7 GzoExetxezeslQ
DRAFT
The table below outlines Jefferson Counties and Ecology's replacement ratios recommended for wetland
impacts to Category III wetlands. In order to strive to achieve a higher replacement ratio than required,
this project proposes to create 0.95 acres (41,400 square feet) of forested and scrub-shrub wetland to
compensate for 0.475 acres (20,693 square feet) of wetland fill. The wetland creation number was
derived by evaluating the mitigation site and potential creation areas.
Table 3. Jurisdictiona! Guidance for Wetland Replacement Ratios from Jefferson Gounty and
Ecology
Wetland
Category
Jefferson Gounty Required
Ratlo
(created:lmpacted)
Ecology Recommended
Ratio
(created:lmpacted)
Statesman MPR Proposed
Ratio
(created:impacted)
Category lll 2'.1 2'.1 2"1
Acreage impacted and planned for creation based on proposed ratios is listed below.
Table 4. Project ProposalWetland Replacement Acreage
Watland Category Acreage lmpacted (square feet)Acreage Created
Category lll 0.475 acres (20,693 square feet)0.95 acres (41,400 square feet)
BASELINE CONDITIONS OF THE MITIGATION AREA
After reviewing topographic maps for suitable landform features in Section I and the proposed MPR golf
course layout, we conducted a site visit on April 8, 2008 to identiff potential mitigation areas. Seven
potential wetland mitigation areas were identified for on-site and in-kind mitigation. All seven of the
potential mitigation areas are located within the boundaries of the site in Section l. After a review of
updated MPR layouts, six of these wetland mitigation areas were removed from consideration due to
spatial constraints from geomorphic landforms, available hydrology, golf course fairways, residential
dwellings and lack of space for a suitable buffer. The following sections discuss the baseline conditions
at the preferred mitigation site.
DescRlpnoN oF Mrrrcaron Anea
The preferred mitigation option is located in the bottom of a kettle, referred to as Kettle C, similar to the
kettle that Wetland B is found in. Kettle C is located approximately 800 feet south of Wetland B in the
south central portion of Section I (Figure 3). The bottom of the kettle is hydrologically isolated and there
are no wetlands or streams located in this landform. The walls of the kettle range from 30 to 55 percent
slope and are approximately I l0 feet tall. There are paved roads surrounding the kettle at the top of the
slope and vegetation has been cleared within the past l0 years in the entire kettle unit. Wetland creation
in this area would be on-site and in-kind (depressional and hydrologically isolated).
HISTOnIc AND CURRENT LAND USE
Kettle C has been historically logged and the most recent logging event occurred in the past ten years.
The RV Park historically had campsites and roads surrounding the kettle but the kettle itself was never
used for any commercial or recreational purposes. There are no man-made structures located in the kettle
but there are sanitary stations associated with the RV Park located near the top of the slope. Since this
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kettle is also located on-site, the zoning and land use are the same as Wetland B. An aerial photo
depicting the condition and land use of the kettle in 2005 is presented in Figure 6.
Werlero FearuRes
There are no wetlands associated with Kettle C. No wetland features, streams or seeps were observed
entering or leaving this mitigation area. Thus, the area identified as Kettle C is located in an upland
portion of the site.
Weren Recrme
Hydrology is the most important component of any wetland creation project. Hydrologic characteristics
are the dominant modifiers of wetlands and exert great control over the type of vegetation. Kettle C
receives hydrology from direct precipitation and localized runoff from the catchment basin surrounding
the kettle depression. There is no direct outlet in this depressional area and there were no signs of
inundation or hydric soils in the bottom of the kettle. The high infiltration rate of the soils in this area
does not allow water to collect and pond on top of the ground or within 12 inches of the surface for more
than l2 percent of the growing season. This kettle does not lie within a 100-year floodplain.
Sorr-s
The ^Soil Survey of Jefferson County (USDA 1975) has identified one soil type being associated with the
location of Kettle C. The mapped soil is Hoodsport - Grove very gravelly sandy loam (HrD) as shown in
Figure 5. Hoodsport-Grove very gravelly sandy loam, 0 to 30 percent slopes, is a moderately well
drained soil formed from glacier outwash. Permeability is moderately rapid and available water capacity
is very low. This soil is not a listed hydric soil for Jefferson County but the soil does have unnamed
hydric inclusions (USDA 2001). A confining layer was not observed within 16 inches of the surface that
would slow water moving through the various soil layers.
Veoemnor
The vegetation in the bottom and sides of the kettle is primarily composed of juvenile red alder, Douglas
fir, sword fern and miscellaneous grasses. Mature vegetation was removed from logging activities less
than ten years ago and the existing vegetation is indicative of upland plant communities. A query of DNR
Natural Heritage Features list revealed no presence of rare or sensitive plants on or within the vicinity of
Kettle C (DNR 2008).
Fauna
Kettle C does not have the potential to support a variety of wildlife species (birds, reptiles, and mammals)
due to the disturbed forest and shrub layer and the presence ofa paved road surrounding the top ofthe
kettle. There is also no aquatic habitat to support amphibians or attract birds. This area is not directly
connected to undisturbed portions of habitat on-and off-site; and therefore, fauna are not assumed to
utilize this area frequently. During field visits, only a few bird species were observed in this area.
There are no streams or tributaries connected to this mitigation area that could provide habitat for fish
species. A review of WDFW PHS maps (WDFW 2008) shows no presence of critical habitat or sensitive
species on or within the vicinity of Kettle C. The report titled Pleasant Harbor Marina and Golf Resort
Fish and Wildlife Habilat Assessment (GeoEngineers 2006b) described the fish and wildlife presence and
habitat quality on and within the vicinity of the site. This mitigation area will be incorporated into the
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HMP which outlines the preservation and creation of wildlife corridors and habitat features that will be
featured in the final design of the MPR (GeoEngineers 2008).
LauosCepE PoSITION AND GEOMORPHOLOGY
Kettle C is located in a kettle that is approximately ll0 feet deep with moderately steep slopes. There is
no potential outlet to this kettle. The bottom of this kettle is located at elevation 83 feet mean lower low
water (MLLW) and the top of the kettle is located at elevation about 195 feet MLLW. The catchment
basin for this area begins at the top of the slope surrounding the kettle. These conditions were confirmed
during our site visits.
Burrens
The buffer area in this kettle is disturbed from logging activities and portions of the outer edge are
disturbed from the development of the RV Park. There were only a few observations of Himalayan
blackberry (Rubus discolor) and Scot's broom (Cytisus scoparius) observed in the buffer area. The buffer
area is primarily composed ofjuvenile red alder, Douglas fir, sword fem and miscellaneous grasses.
DESCRIPTION OF MITIGATION SITE PLANS
The preferred area of wetland creation is shown in Figure 7. The following sections describe the concepts
of the mitigation plan for creating wetland conditions at this mitigation site. The mitigation wetland, after
creation, would receive direct precipitation, surface run-off similar to Wetland B and treated stormwater
for its source of hydrology. The projected goal is to create a wetland mitigation site that meets or exceeds
the performance of a Category III scrub-shrub wetland, thus complying with Jefferson County
regulations.
Waren Reorme
Wetland hydrology is referred to as all hydrologic characteristics of areas that are periodically inundated
or have soils saturated to the surface for a sufficient duration during the growing season. The growing
season is defined as the portion of the year when soil temperatures at 19.7 inches below the soil surface
are higher than biological zero (41'F). Areas which are seasonally inundated and/or saturated to the
surface for a consecutive number of days greater than or equal to 12.5 percent during the growing season
are considered to be wetland. The growing season for Jefferson County is from March to November
(usDA 2002).
A query was made to gather historical rain data for the area. Quilcene, Washington, a city approximately
I I miles north of the proposed site, was the location of the nearest weather station and located in similar
geographic and climatic conditions. The data for the Quilcene 2W weather station reveals that station
received an average precipitation of 55.24 inches per year, from June 4, 1948 to June 30,2007 (Westem
Regional Climate Center 2007). Research of weather stations in Chimacum, Washington (north or the
site) and Shelton (south of the site) reveal that precipitation amounts were 29.45 inches and 66.19 inches,
respectively, for the similar amount of time. This demonstrates that precipitation levels increase from
north to south in the Hood Canal region and because the MPR is south of Quilcene it will likely receive
more precipitation than that location. The amount of precipitation recorded at Quilcene for the region is
sufficient to support the hydrology needed to sustain wetland conditions because there are three wetlands
currently present on the site and all receive direct precipitation and surface run-off as their sources of
hydrology. The preferred mitigation site will receive water in the same fashion as well as treated
stormwater from the MPR.
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The preferred mitigation site will be supplied hydrology from reclaimed water run-off from the MPR. It
will be required that the run-off from the golf course pass through a water treatment system before
entering the newly created wetland or existing wetlands. The amount of hydrology entering the created
wetlands, and existing wetlands, will likely be greater than the existing site conditions because of the
addition of reclaimed water. Due to the increased hydrology entering the wetlands, the newly created
wetland should have soils that remain saturated for a sufficient duration of the growing season to achieve
hydric wetland conditions. Additionally, ponding may occur and provide increased value to the wetlands'
function due to an open water component.
The groundwater table in Kettle C is at a depth too far below the surface to consider excavating to in
order to create a wetland fed with groundwater hydrology. Thus, direct precipitation, surface water runoff
and treated stormwater are the best candidates to add hydrology to this proposed wetland.
Sots
The soil type present in Kettle C is moderately well drained and does not favor wetland creation; thus,
Kettle C does not contain wetland features due to the porous nature of the soil (USDA 1975). Soils rich
in silt and clay have a lower permeability and higher water capacity than sandy and gravelly soils.
Therefore, the addition of imported soils with clay and clay-like characteristics will be necessary to retain
sufficient hydrology to create wetland conditions. The confining soil layer will be added to Kettle C after
filling and grading have occurred as described below. Due to the poor water retention of the soil layers
that will be underneath the confining layer, the silt and clay layer will need to be five feet deep and tightly
packed in order to fill all space within the soil before water can be successfully captured and retained.
Once water is able to be retained, hydric soils and hydrophytic plants should occur in the created wetland.
During construction events, the top 12 inches of hydric soils will be salvaged from Wetland B and placed
on the top layer within the wetland creation area at Kettle C. Importing hydric soils will bring additional
benefits to the created wetland such as seed sources, roots and rhizomes of wetland species and may
retain micronutrients, mycorrhizae, and other necessary components for plant growth (Ecology 1993a).
GRaorNc Putt/Sre Maps
The preferred mitigation site will require significant filling and grading to achieve 41,386 square feet of
mitigation for the filling of Wetland B. An analysis of the existing grade in Kettle C was performed to
determine the cubic yards required to fill the bottom of the kettle to achieve the necessary square footage
of wetland surface. It was determined that 13,059 cubic yards of fill and a S-foot deep confining layer
will be required to raise the bottom of the kettle from the 83 feet MLLW to 120 feet MLLW as shown in
Figure 8. The bottom of the kettle will be compacted and shaped to a concave surface allowing for water
to pond; thus, creating 41,400 square feet of wetland within the Kettle. During clearing and grading of
Kettle C, the top 2 feet of hydric soil within Wetland B will be excavated and stockpiled for use in the
mitigation area. The soils will be transported to the created wetland and spread out with a minimum
depth of 6 inches deep on top of the confining layer. The filling and grading plan for the kettle is shown
in Figure 8.
Pllunrc/LenoscapE PLANs
One objective of this mitigation plan is to use native species occurring in Wetlands B, C and D as well as
their buffers. Planting should occur in the fall of the same year after the excavation/grading activities
have been completed. The created wetland will have an open water component incorporated into the
center that will stay ponded throughout the year. The sides of the wetland will experience seasonal
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inundation correlating with the wet season. The bottom of the wetland will not be deeper than 24 inches
than the wetland edge to allow for seasonal herbaceous plants to grow around the edges. Large woody
debris will be placed in the open water component as well as along the edges to create habitat for
amphibians.
Wetland and buffer vegetation was analyzed at Wetlands B, C and D and incorporated into the planting
plan. Plants selected for the created wetlands will be based upon their hydrologic requirements, their
attributes, such as being able to support wildlife and their ability to improve water quality. Vegetation is
a major factor in the distribution of wildlife. Plants provide food, shelter against predators and weather,
and areas for nesting, resting, perching and breeding (Leedy et al. 1978). Other areas with existing
vegetation that are valuable to wildlife will be maintained within the designed buffer. Plants noted to
occur in high quality habitats were selected over plants that form monotypic stands or possess low quality
habitat characteristics such as hardhack (Spiraea douglasii).
Invasive species at the mitigation site will be removed prior to plant installation. All machinery will be
properly cleaned prior to work at the mitigation site to limit fugitive invasive species seeds
unintentionally brought onto the site. No soil from the impacted wetland will be incorporated in the
mitigation site if it is noted to contain invasive species. Upon invasive species discovery at the mitigation
site any time during the project, appropriate measures will be taken to remove it and ensure it does not
return.
The prefened mitigation site is disturbed but contains native upland vegetation. The intact areas of the
surrounding buffer of the created wetland will be left unplanted to allow the existing vegetation to
continue to grow. Habitat structures and features at the mitigation site will be installed in the form of new
wetland plants, open water components and large woody debris placed in various locations in and
surrounding the wetland. Once the MPR is complete, human traffic in the mitigation area will be minimal
except for MPR personnel and biologists.
Table 5 outlines the vegetative species proposed for planting as well as general size and spacing of each
species. A detailed planting plan of the mitigation site is presented in Figure 9 and descriptions of the
proposed mitigation plantings are found in Appendix D - Plant Descriptions.
Table 5. Proposed Vegetation for Mitigation Planting
Common Name Scientific Name lndicator
Status
Vegetatlon
Class Size
On Center
Spacing
(fi)
Number
of Plants
Western red cedar Thuja plicata FAC Tree 1 gallon 12 27
Red alder Alnus rubra FAC Tree 1 gallon 12 27
Pacific willow Salix lasiandra FACW Tree Stakes 3 439
Salmonberry Rubus spectaDrTls FAC+Shrub 'l gallon 6 109
Pacific ninebark Physocarpus capitatus FACW-Shrub 1 gallon 6 109
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August2l,2008
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Table 5. Proposed Vegetation for Mitigation Planting (Continued)
Common Name Scientific Name lndicator
Status
Vegetation
Class Size
On Center
Spaclng
(ft)
Number
of Plants
Vine maple Acer circinatum FAC.Shrub 1 gallon 6 109
Small-fruited bulrush Scirpus microcarpus OBL Herb Plugs 3 439
Slough sedge Carex obnupta OBL Herb Plugs 3 439
Lady fem Athyrium felix-femina FAC Herb Plugs 3 439
Burrens
Buffers will be applied to the newly created wetland to protect and maintain its integrity. Wetland buffers
will follow the JCC Chapter 18.22 on critical areas and the created wetland will require a 150-foot buffer
for a Category III wetland. This buffer will be preserved and no disturbance activities will occur in this
area. Buffers will be measured perpendicular from wetland boundaries and are to be permanently marked
in the field by a fence. The buffer for the created wetland is depicted Figure 8. Statesman will secure a
deed restriction for the wetland mitigation area and the associated buffers.
The area surrounding the preferred mitigation site is dominated by a variety of native and non-native
upland plants. In order to increase the value of the buffers for the mitigation plan, non-native vegetation,
such as Scot's broom and Himalayan blackberry, will be removed to provide native plant species a better
chance of thriving. Native plant species will be re-planted, if upon removal of non-native plant species an
area becomes sparsely vegetated.
These preserved buffers will not only protect the new wetland, but also serve as habitat for many smaller
animals such as, small songbirds, reptiles, and mammals. These buffers will also help to connect wildlife
corridors throughout the golf course.
In addition to preserving upland vegetation for buffers surrounding the newly created wetland, the
portions of the buffers of existing Wetland C and Wetland D will be enhanced as part of this mitigation
plan. Details of the wetland buffer enhancement plans are described in the sections below.
To accommodate topographic restraints of the site, buffer averaging for Wetland C and D is proposed in
discrete locations. A wetland buffer addition will add 28,701 square feet of total wetland buffers to
compensate for a total buffer loss of 26,910 square feet. Details of the buffer averaging plan are
presented in Figure l0 and described in the sections below.
Wetland C
Wetland C is a Category III wetland, requiring an 80-foot buffer. Portions of this wetland buffer
currently have gravel and paved roads crossing through it breaking up the native vegetation. Along the
sides of these roads and in disturbed portions of the buffer, Himalayan blackberry and Scot's broom are
also present in thick patches. The impervious surfaces and invasive species will be removed from the
buffer and much of this area will be replanted with upland vegetation native to the area.
To accommodate the fairway for Hole #2 of the planned golf course, a portion of the eastern wetland
bufferdirectlyadjacenttothegolf coursefairwaywillbereduced. Atotal of 8,247 squarefeetofbuffer
will be reduced, but there will not be a reduction of more than 25 percent along any portion of the buffer
File No. I 2677-00t-06
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Page 13 GzoExetxezeslQ
DRAFT
as outlined in the JCC 18.22.330.8. The reduced portion of the buffer contains apaved road and large
amounts of Scot's broom and Himalayan blackberry to be removed as part of the enhancement plan. The
buffer addition area will occur on the northern and southern portions of the wetland and will compensate
for the reduction with the addition of 8,316 square feet. The buffer addition area currently consists of
mixed coniferous-deciduous forest of Douglas fir, westem red cedar, and red alder. Increasing these areas
of forest on the southem side of this wetland will provide more space and assist to better connect the
proposed wildlife corridors. Details of the wetland buffer area are shown in Figure I I and a description
of plants proposed for the enhancement portion of this buffer is listed below in Table 6.
Table 6. Proposed Vegetation for Wetland C Buffer Mitigation
Common Name Scientific Name lndlcator
Status
Vegetation
Class Size
On Genter
Spacing
(fr)
Number
of
Plants
Big Leaf Maple Acer macrophyllum FACU Tree 1 gallon 12 20
Douglas Fir Pseudotsuga menilesii FACU Tree 1 gallon 12 20
Evergreen huckleberry Vaccinium ovatum FACU Shrub 1 gallon 6 83
Salal Gaultheria shallon FACU Shrub 1 gallon 6 83
3 332Sword fern Polystichum munitum FACU Emergent 1 gallon
Wetland D
Wetland D is a Category III wetland requiring a 150-foot buffer. Portions of this wetland buffer have
gravel and paved roads crossing through it breaking up the native vegetation. Along the sides of these
roads and in disturbed portions of the buffer, Himalayan blackberry and Scot's broom are also present in
thick patches. The impervious surfaces and invasive species will be removed from the buffer and much
of this area will be replanted with upland vegetation native to the area.
The planned fairway of Hole #6 also passes through the western portion of the 15O-foot buffer of Wetland
D. This portion of the wetland buffer will be reduced by a total of 18,663 square feet, but will not be
reduced more than 25 percent as outlined in the JCC 18.22.330.8. The buffer currently contains paved
roads and Himalayan blackberry and Scot's broom, which are proposed to be removed as part of the
buffer enhancement plan. The buffer addition area will compensate for this loss with a total of 20,385
square feet of additional wetland buffer. The buffer addition will occur on the northem and southern
portion of Wetland D and currently consists of mixed coniferous-deciduous forest of Douglas fir, westem
red cedar, and red alder. Details of the wetland buffer area are shown in Figure 12 and a description of
plants proposed for the enhancement portion of this buffer is listed below in Table 7.
Table 7. Proposed Vegetation for Wetland D Buffer Mitigation
Common Name Scientlfic Name lndicator
Status
Vegetation
Class
On Center
Spaclng
(ft)
Number of
PlantsSize
Douglas Fir Pseudotsuga menziesii FACU Tree 'l gallon 12 13
Red alder Alnus rubra FAC Tree 1 gallon 12 13
Evergreen huckleberry Vaccinium ovatum Shrub 1 gallon 6 52
Gauftheria shallon FACU Shrub 1 gallon 6 52
Sword fern FACU 3 208Polystchum munitum Emergent 'l gallon
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August 2 l, 2008
!
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Salal
DRAFT
MITIGATION SITE-SPECIFIC GOALS, OBJ ECTIVES AND PERFORMANCE STANDARDS
As stated above, this Mitigation Plan strictly covers conditions and plans as they relate to wetland
alteration. A HMP with buffer mitigation plans (GeoEngineers 2008) has been developed for the five
streams located within the Maritime Village area of the MPR
Goels
Chances ofsuccess are dependent on a thorough evaluation ofexisting conditions, soils, vegetation, and
hydrology of the proposed mitigation site. This mitigation report is focused toward the following goals:
o Provide no-net-loss in wetland acreage and function,
o Provide on-site, in-kind compensatory mitigation,
o Create a total of 0.95 acres (4l,40Osquare feet) of forested, shrub and emergent wetland,
o Maintain or enhance hydrologic patterns similar to current conditions at existing wetlands,
o Provide a natural plant community within the created wetland area that will surpass the diversity
and structural complexity currently found at the mitigation site, and
o Perform a wetland delineation of the created wetland area at the end of the monitoring period
using the approved wetland delineation manual for that year to verifr that 0.95 acres of wetland
was created.
Oe.,ecnves
Specific objectives and standards associated with this wetland mitigation are:
o The creation of 0.95 acres (41,400 square feet) of wetland habitat is pplanned to compensate for
the loss of 0.475 acres (20,693 square feet) of Category III wetlands. The mitigation area will be
required to meet all three wetland parameters (vegetation, soil and hydrology) at the end of the
monitoring period as defined in the monitoring plan.
. Vegetate the area using only native plant species occurring in the project vicinity,
o Vegetate wetland and buffer areas with species that will provide a broad food base for wildlife or
that are high in cover value,
o Buffer average along the outer 25 percent of Wetland C and D buffers,
. Enhance Wetlands C and D buffers,
o Importation of clay-rich soils to line the bottom of wetland creation areas,
o Utilize mulch from on-site sources,
o Trees of significant value will be flagged prior to construction by a biologist. Construction of the
wetland in the vicinity of the existing trees shall leave an adequate physical buffer so as not to
damage the roots or the trees. It is assumed that the width of the buffer surrounding the existing
trees will be determined by the drip line and on a case-by-case basis.
o Use Best Management Practices during construction to protect water quality in adjacent wetland
areas, and
o Implement a defined monitoring program that will serve as a measure of the mitigation success.
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August 21,2008
Page 15 GroExermrrs/
DRAFT
GompensnroRY Pl.an
Mitigation efforts are proposed to expand and enhance several features identified by wetland biologists as
components of high-quality habitat. These features include:
. High structural diversity, especially emergent, shrub and forested canopy layers for birds,
o Adequate buffers to protect native plants and to provide key components of habitat,
o Undisturbed corridors between rivers, streams, wetland systems, intact upland habitats and other
natural areas,
. High diversity or abundance of native plants and animals, and
o Either seasonal or intermittent open water.
Many of the above components are planned for incorporation into this mitigation plan. High structural
diversity can be achieved by the proposed planting of three canopy layers. Native plants will be planted
and desirable native volunteers will be permitted.
MONITORING PLAN
A specific set of performance standards corresponding to the stated mitigation goals have been
established for the MPR. The goals listed in the previous section are implemented below and these
standards will be used to judge the results of this project. The success of this mitigation is dependent
upon the components specified in this plan.
Post-construction monitoring will occur on an annual basis for a minimum of five years and up to ten
years based on the success of the project. The limiting factor for success of the project is the size of the
tree canopy aerial coverage. Tree canopies may take up to ten years to meet performance standards for
this project. Ecology and Jefferson County will determine the success of the mitigation project after five
years and conclude how many more years of monitoring will be required before the site reaches
performance standards if not successful by year 5. The as-built event will occur following completion of
the installation of the vegetative species. This event will document that the created wetland appears to
meet the construction plans and document any deviations from the plans. Items to be noted will include:
plants were installed as specified and that the wetland appears to be receiving hydrology as planned. At
this time, the wetland specialist will aid in the production of the "as-built drawings" and these drawings
will be included in the as-built report submitted to Ecology and Jefferson County.
Whether the second monitoring event will occur in the spring or in the fall depends on the time of year
during which the planting of the created wetland has occurred. The monitoring events will occur at
approximately 6-month intervals following the second monitoring event. The primary focus of the annual
spring monitoring event will be on hydrologic functions, with the fall monitoring event focusing on
vegetative diversity, cover and mortality. A brief monitoring report will be prepared subsequent to each
fall monitoring visit summarizing the spring and fall monitoring observations and will be submitted to the
appropriate agencies within 3 months of the fall monitoring event.
A wetland delineation of the created wetland areas will be performed at the end of the monitoring period
to verifu that 0.95 acres of wetland was created. The approved wetland delineation manual for the year of
the final monitoring will be followed. A wetland delineation map will be submitted along with the final
monitoring report describing the results of the delineation.
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Page 16 GeoExatxeetslQ
DRAFT
Meruoos
Producing a photographic log of pre-construction and post-construction environmental conditions will be
a primary method of monitoring the success of the mitigation. Observations to be recorded include plant
survival and growth rates, hydrologic factors, and wildlife occurrences. Photographs will also be taken at
each monitoring event at each monitoring station to document the evolution of the mitigation site over the
monitoring period. Photographs will be taken in all four cardinal directions, from the same point, height,
and focused in the same direction.
a
a
a
a
a
Six permanent monitoring stations will be established in the wetland creation and wetland buffer
mitigation areas. The same standards described below will be implemented in the wetland buffer
enhancementareas. Eachmonitoringstationwillconsistof circlewithan ll.8-footradius(0.01
acres) with a reinforcing bar embedded in the center. Selection of monitoring stations will be
spaced out in the wetland creation area to accurately depict the different plant species
communities and habitat features.
Monitoring of each station will be accomplished by determining the survival rate of the planting
by counting both dead and live plants of each species respectively within the station. Each
species will be recorded by name along with its coverage. Also, the general condition of each
plant, such as observations of new growth and signs of stress or disease, will be noted.
Monitoring of aerial coverage of the vegetation within the wetland creation area will be
accomplished by estimating the percentage of the ground covered within the monitoring station,
by planted and volunteer species. Estimating aerial overage will occur during the first monitoring
event and also during each monitoring event thereafter. Trees, shrubs and herbaceous species
will be included in the estimate of coverage. Desirable native volunteer species will be identified
and documented; and undesirable non-native species such as reed canarygmss (Phalaris
arundinacea, FACW), Himalayan blackberry (Rubus discolor, FACU), cutleaf blackberry (Rubus
laciniatus, FACU, and Scot's broom (Cytisus scoparius, UPL) will be identified, counted and
their percentage of aerial coverage will be estimated and compared to performance standards
listed below. Upon completion of this documentation, the undesirable species will be removed.
Hydrology and presence of hydric soil will be verified by tracking soil saturation or ponding
water within the created wetland areas during the spring and fall monitoring events. Thriving
obligate plant species will be documented as partial indicators of a successful hydrologic regime.
We will also look for hydrology within 12 inches of the ground surface for at least 12 percent of
the growing season each year.
Wildlife recordings are to be made as general notes by the monitoring biologist during the
monitoring events. Observations may include sighting of individual species, nests, burrows,
droppings, or other indicators. The results will be recorded, including date and time of day, and
included in the report for the monitoring event.
Maintenance requirements such as trash removal and vandalism repair will also be noted. These
observations, along with mitigation site photographs and a brief report will be submitted to
Jefferson County and Ecology after the annual monitoring event is completed.
It is understood that in order for monitoring to occur, the biologist will be required to cross the
existing wetland and associated buffer in order to enter the mitigation area. Access will be
restricted to only authorized personnel, who will be aware of the sensitivity of the existing and
created wetland. The landscape contractor will also be made aware of this, and should be careful
not to disturb desirable vegetation when removing non-native species. In both instances, trained
a
a
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professionals who will be able to determine a path of minimal disturbance to the existing wetland
should be hired.
PeRroRuaNcE STANDARDS
a
a
a
a
SITE PROTECTION
Statesman will protect this mitigation site from disturbance including logging, mining, development and
selling of the mitigation areas.
MAINTENANCE
Plant maintenance of the wetland creation areas will be conducted throughout the monitoring years.
Maintenance during the first two years will include periodic watering (irrigation) and control of
undesirable species. Maintenance during the subsequent years will be focused on weeding (invasive plant
removal). Also, if crowding of newly planted vegetation by grass species is determined to affect plant
survival during the monitoring events, the maintenance company will return to trim grasses from around
the drip lines of the planted vegetation.
Irrigation of the wetland creation area may be required for the first 2 years after installation of native
plants. A temporary irrigation system may be utilized or a regular watering schedule established if on-site
water is not available. Watering during the plant establishment period is crucial for plant survival.
During the dry months, usually June through September, it may be necessary to add up to 3 gallons of
water per plant per week. Extremely warm weeks may necessitate watering on a more frequent basis. An
irregular watering interval will encourage the development of deep root systems, which in time will
reduce the need for any future watering.
Control of undesirable species will be maintained by periodic weeding of the mitigation area. Species to
be removed primarily include exotic invasive species such as: reed canarygrass, Himalayan blackberry,
cutleaf blackberry and Scot's broom. Only desirable native volunteer species in addition to those planned
for the area will be encouraged to grow. Wetland buffer slopes will be reseeded with grasses if deemed
necessary due to erosion or sedimentation into the newly created wetland areas. Some of the other
File No. I 2677-001-06
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Page 18 GtoErctxezaslQ
Invasive, exotic and undesirable species shall be represented by less than l0 percent coverage in
the created wetland area and buffer enhancement areas at the end of the monitoring period as
determined by observations made within the monitoring areas.
There shall be a minimum of 80 percent survival of all planted materials throughout the
monitoring period. Survival of the enhancement plantings will be determined by counting and
documenting the numbers of dead versus live plants within the enhanced area. Species,
quantities, general conditions and sizes of enhancement plants will be described and recorded.
Acceptable cover standards for the wetland trees and shrubs:
. end of year l: minimum of 20 percent
. end of year 3: minimum of 30 percent
. end of year 5: minimum of 40 percent
Acceptable cover standards for the wetland herbaceous species will be at least 80 percent.
DRAFT
maintenance responsibilities such as trash removal and vandalism repair will be performed on an as-
needed basis.
CONTIGENCY PLAN
If the project fails to meet the standards discussed above, implementation of a contingency plan will be
required by Ecology and Jefferson County. The contingency plan will supplement the wetland mitigation
plan and will be based off of assessments made during mitigation monitoring events and additional site
visits. As problems are recorded, suggestions and possible solutions will be forwarded to Ecology and
Jefferson County as a component of the monitoring reports. GeoEngineers will work in conjunction with
Ecology and Jefferson County to develop the contingency plan. The plan will anticipate problems and
specifically address issues such as the eradication of invasive species, supplemental irrigation as required,
replacement plant installation of deceased plants, damaged or missing structures or vandalism. The plan
will follow the protocol set forth in this Mitigation Plan and also provide greater detail about specific
measures required to help the site meet its goals, objectives and performance standards.
If more than 20 percent mortality of plantings occurs within any of the monitoring years, the problem
areas will be replanted, preferably in the dormant season and provided with better maintenance to ensure
higher plant survival. If, in the judgment of the monitoring biologist, altemative plant species are needed
to improve survival, alternative species will be selected.
IMPLEMENTATION SCHEDULE
Statesman will follow the timeline approved and agreed upon by the regulatory agencies in regards to the
development of the MPR and the construction of the mitigation areas. The anticipated timeline for this
project is shown below in Table 8.
Table 8. Proposed Project Timeline
Activity Date Started Date Completed
Final Mitigation Plan August 2008
Clear Mitigation Wetland Creation Areas TBD TBD
Excavate/Grade Mitigation Wetland Creation Areas TBD TBD
Plant Mitigation Wetland Creation Areas TBD TBD
Enhance Wetland Creation Buffer Areas TBD TBD
As-built Report TBD
1st Year Monitoring Report TBD
2nd Year Monitoring Report TBD
3rd Year Monitoring Report TBD
4th Year Monitoring Report TBD
Sth Year Monitoring Report TBD
LIMITATIONS
GeoEngineers has completed this Mitigation Plan Report of the Brinnon MPR in general accordance with
the scope and limitations of our proposal. Within the limitations of scope, schedule and budget, our
services have been executed in accordance with the generally accepted practices for Mitigation Plan in
File No. I 2677-001-06
August 2 1, 2008
Page 19 GzoExeneetslQ
!
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DRAFT
this area at the time this report was prepared. No warranty or other conditions, express or implied, should
be understood.
This report has been prepared for the exclusive use of the Statesman Corporation, their authorized agents
and regulatory agencies following the described methods and information available at the time of the
work. No other party may rely on the product of our services unless we agree in advance to such reliance
in writing. The information contained herein should not be applied for any purpose or project except the
one originally contemplated.
The applicant is advised to contact all appropriate regulatory agencies (local, state, and federal) prior to
design or construction of any development to obtain necessary permits and approvals. Wetland
boundaries, classifications and discussions are based on our understanding ofthe local, state, and federal
regulations, and site conditions at the time of our work. The final wetland boundary determinations and
wetland classification is to be made or verified by the appropriate jurisdictional agency.
REFERENCES
Cowardin, L.M., V. Carter, F. C., Golet and E. T., LaRoe. 1979. Classification of Wetland and Deep
Water Habitats of the United States. Performed for Office of Biological Services, Fish and
Wildlife Service, U. S. Department of the Interior, Washington, D.C.
GeoEngineers, Inc. 2006a. Pleasant Harbor Marina and Golf Resort, Wetland Delineation, Jefferson
County, Washington. GeoEngineers, Inc. July 20, 2006.
GeoEngineers, Inc. 2006b. Pleasant Harbor Marina and Golf Resort, Fish and Wildlife Habitat
Assessment, Jefferson County, Washington. GeoEngineers, Inc. July 20,2006.
GeoEngineers, Inc. 2008. Brinnon Master Planned Resort, Habitat Managemetn Plan, Jefferson County,
Washington.
Hruby, T, T. Granger, K. Brunner, S. Cooke, K. Dublanica, R. Gersib, L. Reinelt, K. Richter, D. Sheldon,
E. Teachout, A. Wald, and F. Weinmann. July 1999. Methods for Assessing Wetland Functions
Volume l: fuverine and Depressional Wetlands in the Lowlands of Western Washington.
Washington State Department Ecology Publication #99 - I I 5.
Jefferson County. 2007. Final Environmental Impact Statement for the proposed Brinnon Master
Planned Resort. November 27,2007. Brinnon, Washington
Jefferson County. 2008. Jefferson County Code (JCC). Title 18 Unified Development Code, Chapter
18.22 Cfitical Areas Ordinance.
Leedy, D. and L. Adams. 1978. Planning for Wildlife in Cities and Suburbs. Urban Wildlife Research
Center, Inc., Ellicott City, Maryland.
Martin, A. D., H. S. Zim and A. L. Nelson. 1961. American Wildlife and Plants: A Guide to Wildlife
Food Habits. Dover Publications, Inc. New York.
Pojar, J. and A. MacKinnon, et al. 1994. Plants of the Pacific Northwest Coast Washington, Oregon,
British Columbia and Alaska. Lone Pine Publishing, Canada.
File No. I 2677-001-06
August 2 l, 2008
Page 20 GeoExetxeztslQ
DRAFT
Revised Code of Washington (RCW). 2005. Wayer Rights - Environment: Water Pollution Conrol.
RCW 90.48.
Thurston County Conservation District. 2005b. "Plant Descriptions"
http ://www. thurstoncd. com/?id:95
(accessed date)
United States Department of Agriculture. 1975. Jefferson County Soil Survey. Washington.
United States Department of Agriculture.200l. Hydric soils list: Jefferson County Area, Washington.
http://www.wa.nrcs.usda.eov/technical/soils/hydric_lists/hydsoil-wa-63 I .pdf
(Accessed April 9, 2008)
United States Department of Agriculture .2002. Climate Information - Wetlands Retrieval for
Washington.
ftp://ftp.wcc.nrcs.usda. eov/support/climate/wetlands/walS303 I .txt
(Accessed April 14, 2008)
United States Environmental Protection Agency. 1994. A Citizens Guide to Wetland Restoration:
Approaches to Restoring Vegetation Communities and Wildlife Habitat Structure in Freshwater
Wetland Systems. Seattle, Washington.
United Stated Fish and Wildlife Service. 1988. National Wetlands Inventor Map. Brinnon Quadrangle
l:24,000.
United States Geological Survey. 1992. Brinnon, Washington; l:24000, 7.5-minute quadrangle
United States Geological Survey. 1994. Aerial photograph. Available online at:
http ://www.terraserverusa. com
(Accessed April 9, 2008)
Washington Administrative Code (WAC). 2005. Water quality standards for surface waters of the state
of Washington. Department of Ecology. WACl73-201a.
Washington State Department of Ecology.l993a. "Controlling Erosion Using Vegetation: Plant Selection
Guide."
hnp://www.ecy.wa. eov/proerams/sea/pubs/93 -30/table3.html
(Accessed Jun 14,2008)
Washington State Department of Ecology. 1993b. Washington State wetlands rating system for westem
Washington. Publication #93 -7 4. Olympia, Washington.
Washington State Department of 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 #97-112. Olympia,
Washington.
Washington State Department of Ecology. 2004. Washington State Wetland Rating System for Westem
Washington - Version 2. Washington State Department of Ecology Publication #04-06-025.
Olympia, Washington.
FileNo. I2677-001-06
Austtst 2 l, 2008
Page 21 G:oExcrrarrs.1y'
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DRAFT
Washington State Department of Ecology. 2006a. Wetland Mitigation in Washington State - Part l:
Agency Policy and Guidance. Version l, March 2006. Publication #06-06-01la. Olympia,
Washington.
Washington State Department of Ecology. 2006b. Wetland Mitigation in Washington State -Part2:
Developing Mitigation Plans. Version l, March 2006. Publication #06-06-01lb. Olympia,
Washington.
Washington State Department of Fish and Wildlife. 2007. Habitat and Species Map in the Vicinity of
T25N R02W Section 15. April 8,2008
Washington State Department of Natural Resources. 2008. Washington Natural Heritage Information
System, List of Known Occurrences of Rare Plants in Jefferson County, Washington.
http://www I .dnr.wa.eov/nhp/refdesk/lists/plantsxco/Jefferson.html.
(Accessed April 9, 2008)
Western Regional Climate Center. 2007.
http ://www. wrcc.dri. edr.r/summary/Climsmwa. html
(Accessed April 14, 2008)
FileNo. I2677-001-06
August 21,2008
Page 22 GtoExeneees-.1Q
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Notes:
'1. The locations of all features shown are approximate.
2. This drawing is for information purposes. ll is intended to assist in
showing features discussed in an attached documenl. GeoEngineers, lnc.
can nol guaranlee the accuracy and content of eleclronic files. The master
file is stored by GeoEngineers, lnc. and will serve as the official record of
lhis communication.
3. ll is unlaMul to copy or reproduce all or any part lhereof, whether for
personal use or resale, without permission.
Data Sources: ESRI street maps and data 2007.
County boundaries, cities, and waterbodies from Department of Ecology.
Cerdinate System: Washinglm State Plane North, North Arnerican Oatum 1983 (reet)
Vicinity Map
Brinnon Master Planned Resort
Brinnon, Washington
GroEr.rcrNEE*O Figure 1
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DRAFT
Notes:
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2. This drawing is for information purposes. lt is intended to assist in showing features discussed in an attached
document. GeoEngineers, lnc. can not guarantee the accuracy and content of eledronic files. The master file is
stored by GeoEngineers, lnc. and will serve as the official record of this communication.
3. Lidar contours are 20 foot intervals.
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2. This drawing is for information purposes. lt is intended to assist in showing features disossed in an attached
document. GeoEngineers, lnc. can not guarantee the accuracy and content of eledronic files. The master file is
stored by GeoEngineers, lnc. and will serve as the official record of this communication.
3. Lidar contours are 20 foot intervals.
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Wetland C Buffer Addition: 7,704 sq. ft.
Wetland D Buffer Addition: 21,5&4 sq. ft.
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Lidar Data Sources: lmagery and LiDAR data obtained flom Puget Sound Regional Council. L|DAR data
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2. This drawing is for information purposes. lt is intended to assist in
showing features discussed in an attached document. GeoEngineers, lnc.
c€n not guarantee the accuracy and conlent of electronic files. The master
lile is stored by GeoEngineers, lnc. and will serve as the official record of
this communication.
3. lt is unlawful to copy or reproduce all or any part thereof, whether for
personal use or resale, without permission.
Data Sources: NGS Topo (ArcGlS 2005), NWI data (WDFW 2007),
roads and streams (ESRI 2007)
National Wetlands lnventory Map
Brinnon Master Planned Resort
Brinnon, Washington
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2. This drawing is for information purposes. ll is intended to assist in
showing features discussed in an attached document. GeoEngineers, lnc.
can not guarantee the accuracy and content of electronic liles. The masler
file is stored by GeoEngineers, lnc. and will serve as lhe official record of
this communication.
3. lt is unlawful lo copy or reproduce all or any part thereof, whether for
personal use or resale, withoul permission.
Data Sources: NGS Topo (ArcGlS 2005), NWI data (WDFW 2007),
roads and streams (ESRI 2007)
Lamben ConfomalConic, Washington State Plane Norh, North Amarican Datum 1983
Soils Survey Map
Brinnon Master Planned Resort
Brinnon, Washington
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HrD - Hoodsport-Grove very gravelly sandy loam, 0-30% slopes
HoC - Hoodsport very gravelly sandy loam, 0-15% slopes
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Notes:
'1. The locations of all features shown are
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'1. The locations of all features shown are appoximate.
2. This drawing is for information purposes. lt is intended to assist in showing features discussed in an attached
document. GeoEngineers, lnc. can not guarantee the accuracy and content of electronic files. The master file is
stored by GeoEngineers, lnc. and will serve as the official record of this communication.
3. Lidar contours are 20 foot intervals.
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Wetland D Buffer Reduction: 18,663 sq. ft.
Wetland C Buffer Addition: 7,704 sq. ft.
Wetland D BufferAddition: 21,5&4 sq. fr.
Golf Course Wetland Mitigation Map
Brinnon Master Planned Resort
Pleasant Harbor, Washington
GToEnGTNEER!/Figure 7
Reference: Drawing provided by WH Pacific Statesman and Craig A. Peck and Associates.
Lidar Data Sources: lmagery and LiDAR data obtained from Puget Sound Regional Council. L|DAR data
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Notes:
1. The locations of all features shown are approximate.
2. This drawing is for information purposes. lt is intended to assist in showing features discussed in an attacfied
document. GeoEngineers, lnc. can not guarantee the accuracy and content of eledronic files. The master file is
stored by GeoEngineers, lnc. and will serve as the official record of this communication.
3. Lidar contours arc 'l foot inlervals.
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Common Name Scientific Name
109
SizeVegetatlon
Class
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3 439
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Western red cedar
Lady fern
Red alder
Slough sedge
Pacific willor
Small-fruited bulrush
Salmonberry
Vine maple
Pacific ninebark
Tree
Herb
Tree
Herb
Tree
Herb
Shrub
Shrub
Shrub
Thuja plicata
Athyrium felix-femina
Alnus rubra
Carex obnupta
Salix lasiandra
Scrryus microcarpus
Rubus specfaDi/rs
Acer circinatum
Physocarpus capitatus
1 gallon
Plugs
1 gallon
Plugs
Stakes
Plugs
1 gallon
1 gallon
1 gallon
FAC
FAC
FAC
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Number
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lndlcator
Status
orr Genter
Spaclng
(ft)
Kettle C Wetland Mitigation Planting Plan
Brinnon Master Planned Resort
Pleasant Harbor, Washington
GeoEnGTNEER!/Figure 9
Proposed Vegetation for Mitigation Planting
'NOTE: Number of plants was derived from the rectangular grid spacing system
Notes:
1. The locations of all features shown are approximate.
2. This drawing is for information puposes. lt is intended to assist in showing featues discussed in an attached
document. GeoEngineers, lnc. can not guarantee the acanracy and content of elecironic files. The master Rle is
stored by GeoEngineers, lnc. and will serve as the official recod of this communication.
3. Lidar @ntours ate 1 foot intervals.
Legend
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35
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Lidar Data Sources: lmagery and LiDAR data obtained from Puget Sound Regional Council. L|DAR data
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NAD83; Vedical Datum is NAVD88.
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GToEnGTNEERO Figure 10
Notes:
1. The locations of all features shown are approximate.
2. This drawing is for information purposes. lt is intended to assist in showing features discussed in an attacfied
document. GeoEngineers, lnc. can not guarantee the accuracy and content of electonic files. The master file is
stored by GeoEngineers, lnc. and will serve as the official record of this communication.
3. Lidar contours are 20 foot intervals.
Legend
v777) Welland C Buffer Reduction: 8,247 sq. ft.V - -
Wetland D Buffer Reduction: rb,OOS dq. ft.
Wetland C Buffer Addition: 8,316 sq. ft.
Wetland D Buffer Addition: 20,385 sq. ft.
N-s'
Reference: Drawing provided by WH Pacific Statesman and Craig A. Peck and Associates.
Lidar Data Sources: lmagery and L|DAR data obtained from Puget Sound Regional Council. L|DAR data
interpolated to DEM with 1 meter GSD. Coordinate System is UTM Zone10 North pojec{ed to Horizontal Datum
NAD83; Vertical Datum is NAVD88.
0150
Feet
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Gonrmon Name Scientific Name
Number
of
Plants
20
20
83
3
12
12
6
6
Size
1 gallon
1 gallon
1 gallon
1 gallon
1 gallon
Big Leaf Maple
Sword fern
Douglas Fir
Salal
Evergreen huckleberry
Acer macrophyllum
Polystichum munitum
Pseudotsuga menziesii
Gaultheria shallon
Vaccinium ovatum
83
332
FACU
FACU
FACU
FACU
FACU
Tree
Emergent
Tree
Shrub
Shrub
On Center
Spaclng
(ft)
lndicator
Status
Vegetation
Class
TLA c
'NOTE: Number of plants was derived from the reclangular grid spacing system
Proposed Vegetation for Wetland C Buffer Mitigation
L
L
L
t_
Golf Gourse Wetland C
Buffer Planting Plan
Brinnon Master Planned Resort
Pleasant Harbor, Washington
GToEIGTNEER!/Figure 11
Notes:
1. The locations of all features shown are approximate.
2. This drawing is for information purposes. lt is intended to assist in showing features disossed in an attached
document. GeoEngineers, lnc. can not guarantee the accuracy and content of electronic files. The rnaster file is
stored by GeoEngineers, lnc. and will serve as the official record of this communication.
3. Lidar contourc are 1 foot intervals.
Legend
-weuand-
wefiand Buffer
- -_OHWM
-
OHWM Bufier
-
Topof-Slope
-
Topof€lope Buffer
-
Poperty Boundary
filllll Invs5ive Species - 7,062 sf.
NSI AsphalUGravel Road - 14,947 sf,
[-] Planting A'ea - 14,947 sq. ft.
7V aufrer Reduc{ion: 8,247 sq. fl.
lFl-l-I euffereodition: 8,316 sq. ft.
q,
N.,s,
Reference: Drawing provided by WH Pacific Stiatesman and Craig A. Peck and Associates.
Lidar Data Sources: lmagery and L|DAR data obtained from Puget Sound Regional Council. L|DAR data
interpolated to DEM with 1 meter GSD. Coordinate System is UTM Zone10 North projected to Horizontal Datum
NAD83; Vertical Datum is NAVD88.
0
Feet
60
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Size
On
Spacing
(ft)
Number
of Plants
13'l gallon 12a
1 gallon 12 't3*ts
1 gallon 6 52@
1 gallon 6 52#
1 gallon+#2083
Gommon Name Scientlfic Name Vegetatlon
Class
Tree
Emergent
Tree
Shrub
Shrub
Douglas Fir
Sword fern
Red alder
Salal
Evergreen huckleberry
Pseudotsuga menziesii
Polystichum munitum
Alnus rubra
Gaultheria shallon
Vaccinium ovatum
FACU
FACU
FAC
FACU
FACU
lndlcator
Status
Proposed Vegetation for Wetland D
t_/
'NOTE: Number of olants was derived from the rectanqular soacino svstem-
L LL
Golf Course Wetland D
Buffer Planting Plan
Brinnon Master Planned Resort
Pleasant Harbor, Washington
GeoEnGTNEER!/^Figure 12
D
Notes:
1. The locations of all features shown are approximate.
2. This drawing is for information purposes. lt is intended to assist in showing featues discussed in an attached
document. GeoEngineers, lnc. can not guarantee the accuracy and contenl of elecironic files. The master file is
stored by GeoEngineers, lnc. and will serve as the official record of this communication.
3. Lidar contours are 1 foot intervals.
Legend
-wefland-
weiland Buffer
- -oHwM
-- OHWM Bufier
-
Topof-Slope
-
Top-of-Slope Buffer
-
Property Boundary
i---lPlanting Area:9,383 sq. ft.
7 gult., Redudion: 18,663 sq. fl.
ffi Aufer ladition: 20,385 sq. ft.
N
',@,
Reference: Drawing provided by WH Pacific Statesman and Craig A. Peck and Associates.
Lidar Data Sources: lmagery and L|DAR data obtained from Puget Sound Regional Council. L|DAR data
interpolated to DEM with 'l meter GSD. Coordinate System is UTM Zone10 North projecled to Horizontal Datum
NAD83; Vertical Datum is NAVD88.
080
Feet
80
-l
L
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DRAFT
APPENDIX A
USACE J urusotcrtoNAL Derenmwnnov Letren
T
T
DRAFT
DEPART]T|ENT OF THE ARMY
SEAITLE DISTRICT, CORPS OF E}IGINEERS
P.O. BOX 3755
SEATILE, WASHINGTON 9Et2+3755
REPLY TO
ATTEI{TON OF
Regulatory Branch
Wayne Wright
GeoEngineers
1550 Woodridge
Port Orchard, Washington 98366
ur.R 21 N',
Reference: NWS-2006-1210-SO
Statesman Corporation
Dear Mr. Wright,
This letter concerns your request for confirmation of a wetland delineation and
determination of no jurisdiction for property located in an existing campground on the Olympic
Peninsula adjacent to Hood Canal near Brinnon, Jefferson County, Washington. After reviewing
your submitted information and visiting the site we have determined that wetlands "b", "c" and
"d" shown on the enclosed map are not wat€rs of the United States. As such, the work that
would o@ur within these wetlands marked on the enclosed drawing does not require Department
of the Army authorization under Section 404 of the Clean Water Act. This approvod
jurisdictiond daermination is valid for a period of 5 years from the date of this letter unless neu'
information warrants revisions of the deermination.
Other state and local regulations may still apply to these wetlands. For example, the
Washington State Department of Ecology (Ecology) regulates isolated wetlands. You should
contact Ecology's Office of Regulatory Assistance's One-Stop Service Center at (800) 917-0A43
or ec)pac(ir,ccr . s a.qor. for more information on how to obtain State approval for your project.
We are sending a copy of this letter to Ecology and to the Environmental Protection Agency's
Aquatic Resources Unit.
A cop)'of this letter with enclosures u'ill be sent to the Washington Depanment of Ecolog1,,
Office of Regulatory Assistance's One-Stop Service Center and GeoEngineers. If you have any
questions about this letter or any aspect of our regulatory progarn. please contact me at (206)
7 64 - 5 529 or r.i a ern ai I m arcy. r.reed@usace,ArmJ&il.
_ Sincerely. ,/7r, n; r /rrr'irr
Marcy Reed
Senior Scientist. South Section
Enclosures
cc with drawings and JD form:
Washinglon Department of Ecology
Environmental Protection A gency
JURISDICTIONAL DETERI}I IItiATION
U.S. Arml,Corps of Engineers
DTSTRICT OFFICE: Seanle
FILE NUI\!BER: NWS-2007- l2 I ttSO
PROJECT LOCATION I N FORJTI ATION :
State: WA
County: Jeffcrson
Center coordinates of site (latitude,longitude): 47 Degrees 39" 9.56 I 7" - I 22 dqrees 54" 49.?957"
Approximate size ofarea (parcel) revicwed, including uplands: 250 acres.
Name of ncarest waterway: Hood Canal
Name of watershed : Skokomish -Doscwallips Watershed
DRAffi
JURISDICTIOIIiAL DETERM INATION
Completed: Deshop daermination
Site visit
tr
a
Date:
Date: March 8,200?
Jurlsdictionel Dctermiartion (JD):
tr Preliminary JD - Based on arrailable information, D there appear to be lor)l there appeor to be no "waters of the
United States" and/or "narigable uatem of the United States" on the project site. A preliminary JD is not appealable
(Refereoce 33 CFR parr 331).
I Approved ,D - An approved JD is an appca.lable aaion (Refcrcnce 33 CFR pafl 331).
Cbcck all that apply:
O There orc "navigable suters ofthe United States" (as defined b1'33 CFR pan 329 and associated guidance) u,ithin
the reviewcd area. Approrimate size ofjuridictional area:
fi There are "$'alcrs ofthe United States" (Es defined b1' 33 CFR part 32E and associatcd guidance) uithin the
rcviewod area. Approximate siz, ofjurisdictional arra:
fi There are "isolated, non-navigoble, intro-state waters or wetlands" *ithin the reviewod area.
t] Decision supported by SWANCCl[,ligratory Bird Rule lnformation Sheet for Determination of n'o
Jurisdictisr.
BASIS OF JURISDICTIONAL DETERMTNATION:
A. lf,'rtcrr detlncd uader 33 CFR plrt 329 es *orl'lgrble nrters of tbe Uolted Sartes':
f] n . pressroc of waters that arc subject to the ebb and florr. of the tide and/or are prescrrtly used. or har e been used in
thc past. or may be suscrptiblc for usc !g..1@!pg4l interslate or foreign oomm6ce.
B. \l.'eterr delined uodcr 33 CFR prrt 32t3(r) rs 'lu'aters of tbe Unlted Strtes":
fJ t t I The presence of waters, u,,trich are currcntly used. or were usod in the past, or may be susceptible to use in inrerstarc
or foreign oommercc, including all watcts *,hich are zubject to the ebb and flon'of the tidc.
fJ tZl The prescnce of intcrstate n'atcrs including intcrstste rvetlandsl.
D tfl The presence of other \a?ters such as intraslate lakes. rir.crs. streams (including intcrmittent streams), mudflats.
sandflats, wetlands, sloughs, prairie po0roles, $,et meado$'s, playa takes, or natural ponds. the usc, degradation or
desrnraion of u{rich could affea interstate oommcrcrr including any such *,aters (chcck all that apply):
trtrtr
(i) $'hich are or could be used b;- intentate or forcign farelers for recrcational or other pnrposes.
(ii) from which fish or shellfish are or could be taken and sold in interstate or foreign oommef,ce.
(iii) nfiich arc or could be uscd for industrial purposcs by' industries in interstate commerce.
trn
Dtr
(4) lmpoundments of waters othcru'ise defined as waters of the US.
(5) The pr€ssro€ of a tributary to a rvater identified in ( I ) - (4) above.
(6) The prescnc€ ofterritorial scas.
(7) The prescnce ofwctlands adjacenf to other uaters ofthe US, except for those u'etlands adjacent to other netlands.
Rrtionele for tbe Besis of Jurisdictiooel Determinetion (rpplies to an1' bores cbecked ebore). If ttu jurisdictionol u'orer
or u'etlond is not itsef a narigable toter of the Ltnited Stotes. describe connectionkt lo lhc do$rtstream nat'igable N.aters. UB(l) or Blii
is used os the Basis olJurisdiction. drument notigabilin'andlor interstat. commer$ connection (i.e.. dbcuss site conditions. including
xh.t' the tlatcrz}odt'is noigable onJior how the destruction o[the *'aterbd; could afibct intarstate'orforeign commtrce). AB(2. 4, 5 or 6i
is used as tht Basis o.f Jurisdiction. dxtment tfu rotionok used to ma*e tht dcttrmination. l{ Bi7) is used as the Basb o.f Juisdiction.
dxunent the rotionale used to mok odjacency dcteraninotion:
DRAffi
1
Lrterrt Ertenr of Jurisdictioo: (Reference: 33 CFR pans 326 and 329)
I Orainaq,High \\'ater Mark indicated b1':Tide Line indicated b1':
oil or scum line along shore objocrs
fine shell or debris deposits (foreshore)
physical markingsrcharacteristics
tidal gages
other:tr
trtrtrtrtrtr
clear, natural line impresscd on dre bank
the prescooe of liner and dctris
changes in the character of soil
destruction of terrestrial vegetation
shelring
other:
High
trtrtrtr
tr Mean High \t'ater Marli indicatcd by:
I sun'ey to arailable daruml E physical martings: I vegetation lines/changes in vegetation t]?es.
tr Wetland boundaries, as shoun on the attachcd ualand dclineation map and;or in a delineation report prepared by:
Besls For Not Asrertilg Juriedictioo:
E m. revienod arca consists entircly of uplands.
tr Unable to confirm thc prcscnce of waters in 33 CFR part 328(aX I , 2, q {7).
tr Hcadquarten declined to approre jurisdiaion on the basis of 33 CFR part 328.3(a[3).
E n" Corps has made a casc-spccific daermination that the following \r€ters present on the site are not Watem of the
United Statcs:
tr Wasc featmcnt systcms. including featmsnt ponds or lagoons, pursuant to 33 CFR part 328.3.
Artificially irrigated arcas, u{rich would rcvert to upland ifthe irrigation ceased.
Artificial takcs and ponds creatcd by excavating and,tor diking dry land to collcct and
rstain watcr and u{rich arc u-sed exclusively for such purposcs as stock natering, irrigation. settling basins, or
ricc growing.
Artificisl rcflccting or ss"imming pools or other small ornamcntal bodies of watcr crcated
by excavating and/or diking dry land to retain watcr for primarily aesthetic reasons.
Watcr-fillod depressions 6€atod in dry land incidental to construction aaivity and pits exca\€ted in dry land for
the purpose ofobtaining fill, san( or grarel unless and until the construction or excsvation opaation is
abandoned and the resulting body of uater merts the dcfinition of waters of the United Ststes found at 33 CFR
328.3(a).
lsolatcd, intrastate wetland nith no nexus to interstate commeroe.
Prior convcrted cropland" as daermined by the Narural Resources Consenation Scrvice. Explain rsrionale:
tr Non-tidal drainagc or irrigation ditches excavated on dry land. Explain rationale:
tr Othcr (cxplain):
DATA R.EVIE$TD FOR JURSIDICTIONAL DETERMII\ATIOI\ (mrk ell thrt appll'):
[t Maps, plans, plots or plat submitted by or on behalf of the applicant.
El pao shects prcparedrsubmined by or on bchalf of the applicant.
I fnis officr concurs with the delineation report dated July 20.2006. preparcd by: GeoEngineen
E fnls office docs not concur with ttre dclineation report. dated
-,
preparcd by:
Data shects prepard by the Corps.
Corps' navigable watcrs' studies:
U.S. Ceological Sun,ey Hydrologic Atlas:
U.S. Goological Suney 7.5 Minute Topographic maps:
U.S. Geological Sun'ey 7.5 Minute Historic guadrangles:
U.S. Geological Survey 15 Minute Hisoric quadranglcs:
USDA Natural Resources Conscrvation Scnice Soil Sunel':
National wetlands inventory maps:
Statetl,ocal wetland inventory maps:
FEMAffIRM maps (Map Name & Date):
lfiLyear Floodplain Elevation is: (NGVD)
Acrial Photographs (Name & Date):
Other photographs (Date) :
tr Advanced lde'ntification Waland maps:
trtr
tr
Btr
tr
Dtrtrtrtrtrtr
a
Dn
Site r.isit/detcrmination conducled on: March E. 2007 uith Gail Terzi
Applicable'supponing case lau':
Other information (plea-sc speci$):
r\rahndsareidentaesublishedintheCorp;wetlandDeIineationNlanuat(8?Mamul)(i.e..
occurrcnce of hydmphl'tic vcgaation. hydric soils and waland hldrolog ).
:Thc tcrm "adjaceot" means bordcing. contiguous, or ncig}boring. Walands separated from oths uaten; of thc Lt.S. by nran-made dikcs or
barriers. natural rir€r treflns. beach dunes. and lhe lite arr also adjaccnt.
T DRAffi .
-1
1
T
T
T
T
T
mssgr t,t'
PARCEL A
NEI /4 OF SWl /4
trusot I
gf
s.gt t
PARCEL C
GL7
T
T
V
J
UJ(Jt
o_
T
T
T
ryir
'l,/r'Af
PROPERTY LINE
FOR PLEASANI
HARBOR RESORT
o{0(a E\:
DlAirr Ez !a. apPR)vo 8Y._
s15 & 522
T25ti, R2t|
PARCEL D
NWl /4 OF SEl /4
PROPERTY L'NE
FOR PLEASANI
HARAOR RESORT
sot
swl /4
PARCEL C
r(
ffit
'€anTa
-Jt-U()q
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OF t/4
-J
-Jt!(-)t
a
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,.
GL3 22
PARCEL 2
rHE SIAIESMAN GROUP
PLEASANT HARBOR RESORT
EXHIBIT:
WETLANDS DELINEATION
3Q \ {O'i
SCALE:
JOO I
PRAJIC| NO,
oJJO99
OQillXN6 Ft!-E Nrut.
JJO99-SURy-XA0', s{€6i ,
r.Si 6D L 6/:.9@ P.ct Dr't: ui6/tr
I
t
i
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DRAFT
Appettotx B
Slre PuoroeRAPHs
Photograph I
Developed Pleasant Harbor Shoreline
Photograph 3
Developed Pleasant Harbor Shoreline
APPENDIX B
SITE PHOTOGRAPHS
DRAFT
Photograph 2
Developed Pleasant Harbor Shoreline
Photograph 4
Developed Pleasant Harbor Shoreline
File No. 12677-001-06
Augusr 2l, 2008
Page B-I GeoErcnzznslQ
f-
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li :",
t.,
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" fi=t,I'R
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i:'r
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DRAFT
Photograph 6
Pleasant Harbor Shoreline looking east
Photograph 5
Pleasant Harbor Shoreline looking west
Photograph 7
Section l, active RV Park
Photograph 8
Sanitary stations located throughout Section I
.: '?-t
File No. 12677-001-06
August 2 l, 2008
Page B-2 GzoExetxens-1Q
t
T1
rl ." ., I.
.;-
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i' ,-.+-..,.'' \
t
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DRAFT
Photograph 9
Wetland B
Photograph I I
Wetland B buffer
Photograph l0
Wetland B
Photograph 12
Wetland B kettle and buffer
File No. 12677-001-06
August 2 1, 2008
Page B-3 GeoExeueetslQ
ri:
r*,
,11
T
.i.
\
DRAFT
Photograph 13
Kettle C banks
Photograph 15
Kettle C vegetation
Photograph 14
Kettle C banks
Photograph 16
Bottom of Kettle C
File No. 12677-001-06
August 2 I, 2008
Page B-4 GeoEneu*ts1Q
"t
I
'.-
I
t-,
T
t
6tl ,
F
,t''tttl
-
DRAFT
Photograph 18
Native vegetation Wetland C buffer
Photograph 20
Road and Scot's broom in Wetland C buffer
Photograph 17
Wetland C
Photograph 19
Road in Wetland C buffer
File No. I 2677-001 -06
August 2 l, 2008
Page B-5 GeoExeneenslQ
iQ
/j
t
{l
1 ...
I
DRAFT
Photograph 2l
Wetland D
Photograph 23
Road in Wetland D buffer
Photograph 22
Road in Wetland D buffer
Photograph 24
Bare area in Wetland D buffer
FileNo. I2677-001-06
August 2 l, 2008
Page 8-6 GeoExeueetslQ
ll
j
.?I
! '-..t
DRAFT
APPENDIX C
2004 Wesremt WesnNGToN Rnntte Fonus
Wetland name or number B
WETLAND RATING FORM - WESTERN WASHINGTON
Version 2 - Updated July 2006 to increase accuracy and reproducibility among users
Name of wetland (if known):Wetland B Date of site visit: 4/8/08
Rated by: G. Allington, M. Simmons Trained by Ecology? Yes X No ! Date of training:
SEC: 15 TWNSHP: 25N RNGE: 2W Is S/T/R in Appendix D? Yes E No X
Map of wetlend unit: Figure N/A Estimated size: Approx. -0.475 acres
SUMMARY OF RATING
Category based on FUNCTIONS provided by wettand: I ! II D m X IV I
DRAF]T
Category I =
Category II =
Category III =
Category IV =
Score > 70
Score 5l - 69
Score 30 - 50
Score < 30
Category based on SPECIAL CHARACTERISTCS of Wetland I Ei II E
Final Category (choose the "highest" category from above")
Summary of basic information about the wetland unit.
Wedrnd Unlt hls Spccld
CLrrrcte.r&dcs
Estuarine tr
Natural Heritage Wetland U
Bog U
Mature Forest n
Old Growth Forest U
Coastal Lagoon U
Interdunal tr
None of the above
Score for Water Quality Functions
Score for Hydrologic Functions
Score for Habitat Functions
TOTAL Score for Functions
Wedud IIGM Clesc
uccd fsr RrfuE
Depressional
Riverine I
Lake-fringe tr
Slope l
Flats -JFreshwater Tidal
Check if unit has multiple
HGM classes present
Does not apply X
r0
t2
22
44
III
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 the wetland to the the I characteristics found in the wetland.
To complete the next part of the data sheet you will need to determine the Hydroeeomorphic Class of the wetland being rated.
Thehyfrogwncrphisclesificaticngrctpsu,qlm&intoficeftdfudirinsimilfrwalu Thissinplifie flrequesiansneededtoarrrcrhorvwellthev,ulad
fi.noiurs The Hy&,ogroncphic Class ofa udlmd crr be ddennined rshg tre key below. See p. 24 ftr mcre ddaild infilli6n5 m classirying urctlads
Wetland Rating Form - western Washington, version 2 (7106) Page I of 9
Check Llst for lVethnds thrt Need Additionrl Protectlon
(ln eddltlon to the protectlor rGcommeuded for its cr&qory)YES NO
SPl. Has the wetland unil been documented as a habitat for any Federally listed Threatened or
Endangered animal or plant species (T/E species)?
For the purposes of this rating system, "documented" means the wetland is on the appropriate
state or federal database.
X
SP2. Has the wetland unit been documented as habitatfor any State listed Threatened or
Endangered animal species? For the purposes of this rating system, "documented" means the
wetland is on the appropriate state database. Note: Wetlands with State listed plant species
are categorized as Category I Natural Heritage Wetlands (see p. l9 of data form).
x
SP3. Does the wetland unit contain individuals of Priority species listed by the IVDFW for the state?X
SP4. Does the welland unil have a local significance in addition to itsfunctiores? 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.x
x
II
tr
tr
tr
Wetland name or number B
Ifthe hydrologic criteria listed
multiple HGM classes. In this
DRAFT
Classification of Vegetated Wetlands for Western Washington
unit being rated, you probably have a rmit with
questions l-7 apply, and go to Question 8.
-goto
levels in the entire unit usually controlled by tides (i.e. except during floods)?
YES - the wetland class is Tidal Fringe
e 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)
Ifyow wetland cot be classified as a Fresh'nater Tidal Finge use theformsfor Riveiru vrytlm^. If it is a fultvater Tidal Finge it
is rated as m Estaairv wetlond. Wetlands that were call eshurine in the first and second editiqrs of the rating qmtem are called Salt
Water Tidal Fringe in the Hydrogeomrphic Classificatian. Esurarine wetlands were categmized sryarately in the earlia editiors, and
this separatim is being kqt in this revisiur. To maintain cursistency between editianq the terrn'Estuarind' wetland is kept Please
nde, however, that the characteristics that define Categry I and II estuarine wetlands have changed(seep. _).
2. The entire wetland unit is flat and precipitation is only source (>90%) of water to it. Groundwater and surface water
runoff are NOT unit.
YES - The wetland class is Flats
If your wetland can ed as a "Flats" wetland, use the form for Depressional wetlands.
3. Does the entire wetland meet both of the following criteria?
I fne vegetated part of the wetland is on the shores of a body of permanent open water (without any vegetation on
the surface) where at least 20 acres (8ha) in size;
E At least 30%area is deeper than 6.6 (2 m)?
YES - The wetland class is
4. Does the entire of the following criteria?
f] fne wetland is on a slope (slope can be very gradual).
E fne 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.
! fne water leaves the wetland without being impounded?
NOTE: Surface water does nol pond in these types of wetlands except occasionally in very small and
shallow or behind hummocks (depressions are usually <3 ft diameter and less than I foot deep).
to5 YES - The wetland class is
5. Does the entire all of the following criteria?
The unit is in a valley or stream channel where it gets inundated by overbank flooding from that stream or river
The overbank flooding occurs at least once every two years.
NOTE can contain depressions that are filled with water when the river is not Jlooding..
YES - The wetland class is Riverinego
6. Is the entire wetland unit 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, if
NO-goto7
presplis-hi.Nhan the interior
( YES - T!) wetland class
of the wetland.
is Depressional
7. Is the entire wetland located in a very flat area with no obvious depression and no overbank flooding. The unit does not
pond surface water more than a few inches. The unit seems to be maintained by high groundwater in the area. The
wetland may be ditch obvious natural outlet.
YES - The wetland class is
8. Your wetland unit seems to be to classi$ and probably mntains sevaal ditierent HGM classes For examplg seeps at the base of a
slope may grade into a riverine floodplaiq m a srnall steam within a depressioul wetland has a zme of flooding alurg its sides. GO
BACK AND IDENTIFY WHICH OF TI{E TryDROI,OGIC REGIMES DESCRIBED IN QI.]ESNONS 1-7 APPLY TO DIFFERENT
AREAS IN THE UNIT (make a rargh sketch to help you decide). Use the following able to identiO/ the apropriate class to use for the
rating rystern ifyou have several HGM classes present within your wetland. NOTE: Use this table anly if the class that is recommended in
the second column repres€nts l0% or more ofthe total area of the wetland unit being rated Ifthearea of the class list€d in colurnn 2 is less
than l0% ofthe turit, classify the wetland using the class that represents mue than 90% of the total aea.
If you are unable still to determine which criteria apply to your wetland, or you have more than 2 ASSCS
within a wetland boundary, classify the wetland as Depressional for the rating.
Wetland Rating Form - western Washington, version 2 (7106)
No-to8
HGM Classes within the vetland unit beine rated HGM Class to Use in Ratinr
Slope + Riverine Riverine
Slope + Depressional Depressional
Slope + Lake-fringe Lake-fringe
Depressional + fuverine along stream within boundary Depressional
Depressional + Lake-fringe Depressional
Salt Water Tidal Fringe and any other class of
freshwater wetland
Treat as ESTUARINE under wetlands with special
characteristics
Page 2 of9
case^ identifu which hvdrolopic
I
trtr
Wetland name or number B
WATER QUALITY FUNCTIONS - Indicators that wetland firnctions to improve water quality.
(see 38)
per box)
DI Does the wetland have the ootential to improve water quality?
D I . I Characteristics of surface water flows out of the wetland:. Unit is a depression with no surface water leaving it (no outlet).. Unit has an intermittently flowing, OR highly constricted, permanently flowing outlet .. Unit has an unconstricted, or slightly constricted, surface oullet Qtermanently flowing). Unit is a "flat" depression (Q.7 on key), or in the Flats class, with p€rmanent surface
outflow and no obvious natural outlet and/or outlet is a man-made ditch....................
.. points = 3
.. points = 2
.. points : I
.. points : I
or drawing(lf dttch is not permanently flowing treat unil as "inlermittently flowing ') Provide photo
Figure
3
D 1.2 The soil 2 inches below the surface (or dufflayer) is clay or organic (use NRCS definiliow)
YES points:4 XO points = 0 0
D 1.3 Characteristics of persistent vegetation (emergent, shrub, and/or forest Cowardin class):
Wetland has peisistent, ungrazed vegetation > :95%o of area.......... points : 5
Wetland has persistent, ungrazed vegetation > : ll2 of area.......... points : 3
Wetland has persistent, ungrazed vegetation >: l/10 of area.........
Wetland has persistent, ungrazed vegetation < l/10 of area......... points:0
Map of Cowardin vegetation classes
a
a
a
a
points: I
Figure
3
Characteristics ofseasonal ponding or inundation: This is the area ofthe wetland that is pondedfor at
leasl 2 months, but dries out somelime during lhe year. Do not counl the area thal is permanently
ponded. Estimale area (N the average condilion 5 out of l0 years.. Area seasonally ponded is > 112 total area of wetland points = {. Area seasonally ponded is > l/4 total area of wetland points : 2. Area seasonally ponded is < l/4 total area of wetland points : 0
D 1.4
Map of Hydroperiods
D2 Does the wetland have the opportunitv to improve water quality?
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
YES multiplier is 2 ilo multiplier is I
Other
a TOTAL - Water Oualitv Functions Multiply the score from Dl by D2; then add scote to table on p. I l0
Does the wetland have the notential to reduce flooding and erosion?D3 (see p.46)
Characteristics of surface water flows out of the wetland unit. Unit is a depression with no surface water leaving it (no outlet). . points : 4. Unit has an intermittently flowing, OR highly constricted permanently flowing outlet ......... points : 2. Unit is a "flat" depression (Q.7 on key) or in the Flats class, with permanent surface
outflow and no obvious natural outlet and/or outlet is a man-made ditch............. points : I
(If dilch is not permanently Jlowing treat unil as "intermiltently flowing"). Unit has an unconstricted, or slightly constricted, surface outlel (permanently flowinil ....... points : 0
D 3.r
4
D 3.2 Depth of storage during wet periods. Estimate the height of ponding
units with no outlel measure from the surface of permanent water or deepesl. Marks of ponding are 3 ft. or more above the surface or bottom of. The wetland is a "headwater" wetland. Marks of ponding between 2 ft. to. Marks are at least 0.5 ft. to < 2 ft.. Wetland is flat (yes to Q.2 or Q.7 on. Marks of ponding less than 0.5 ft..
above the bottom ofthe outlet. For
part (if dry).
il:::ll:l :: ::::::::::::::::::::i:il[ r 3
< 3 ft. from surface or bottom of outlet ....... points : 5
from surface or bottom ofoutlet points : 3
key)but has small depressions on the surface that trap water. points : I
...... Points : 0
5
lhe area oJ upslream
itself.
.. points : 5
Contnbutron ot'wetland unlt to storaee ln the watershedi Eslimale lhe ralio ol
basin contributing surface water lo ihe wetland to the area of the wetland unit. The area of the basin is less than l0 times the area of unit........... The area of the basin is l0 to 100 times the area of the unit........... The area of the basin is more than 100 times the area of the unit... Entire unit is in the FLATS class ............
D 3.3
... points : 3
... points : 5
.. points : 0
D4 Does the wetland have the oooortunity to reduce flooding and erosion?
Answer YES if the unit is in a location in the watershed where the flood storage, or reduction in water velocity,
it provides helps protect downsffeam property and aquatic resources from flooding or excessive and/or erosivb
flows. Answer NO if the water comine. into the wetland is controlled bv a sffucture such as flood eate. tide
gate, flap valve, reservoir etc. OR youistimate that more than90%o of the water in the wetland is fom
Total for D I
Figure
4
Add the in the boxes above ----l0
(see p,
Multiplier
1
3
Total for D 3 -2--I
(see p. 49)
Multiplier
Wetland Rating Form - western Washington, version 2 (7106)
Add the in the boxes above
Page 3 of9
E
Wetland name or number B
a nver or
a TOTAL - Hydrologic Functions Multiply the score from D3 by D4; then add score to table on p. I l2
YES ,lier is 2
Comments
NO isl
Wetland Rating Form - western Washington, version 2 (7106)Page 4 of9
!
Wetland name or number B DRAffi
HABITAT FUNCTIONS - Indicators that wetland functions to provide important habitat.p€r
H1 Does the wetland have the ootential to provide habitat for many species?
Figure
2
H l.l Vegetation structure (see P. 72):
Check the types of vegetation classes present (as defined by Cowardin) - Size thresholdfor each class is
I /4 acre or more than I 025 of the area d unit is smaller lhan 2 .5 acres .[-l Aouatic BedEI E-"rn.nt olants
E[ ScrubTshnib lareas where shrubs have > 30% cover)
LI Forested (areas where trees have > 30% cover)
Ifthe unit has a forested class check if:
E m" forested class has 3 out of 5 itrata (canopy, sub-canopy, shrubs, herbaceous, moss/ground-
cover) that each cover 20% within the forested polygon.
Add the number of vegetation types that Syaltfy. If you have: Map of Cowardin vegetation classes
4 structures or mbie....... points: 4 3 structures..... points = 2
2 structures.. boints: I I oints:0
H 1.2 Hydrooeriods (see p.7 j):
Check the types of waler regimes (hydroperiods) present within the welland. The water regime has lo
more than l0% of the wetland or l/4 acre to counl (see textfor descriptions of hydroperiods).
I
0Saturated
Lake-fringe
Freshwater
wetland
Seasonally
4 or more types present points :flooded or inundated
......points: 2or inundated 3 or more types present
...points:flooded or inundated 2 tlpes present.
............points :I type present..
Map of hydroperiods
Figure
I
I
Richness ofPlant Species (see p. 75):
Count tt* ,u-b* "f ptant speiies in the wetland that cover at least lO 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
H 1.3
Ifyou counted: > l9 species
5 - l9 species................
< 5 species
points : 2
points = I
points : 0
I oo s es tr ife, Canadian Th is t I e.
List species below if you want to:
H 1.4 Interspersion of Habitats (see p.76):
Decided from the diagrams below whether interspersion between Cowardin vegetation (described in H I . I ), or
areas (can include open water or mudflats) is high, medium, low, or none.
Moderatc = 2 points
Hiph = 3 minrs
the classes and unvegetated
None=0points Low= I poiot
.." [riparian braided channels]
Use map of Cowardin classes,
Note: If you have 4 or more classes
or 3 vegetation classes and
open water, the rating is
alwa1s "high".
Figure _
2
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
pul into the nexl column.
Large, downed, woody debris within the wetland (> 4 in. diameter and 6 ft. long)
Standine snass (diameter at the bottom > 4 inches) in the wetland
Undercu"t ban'ksire present for at least 6.6 ft. (2mi and/or overhanging vegetation extends at least
3.3 fl. (lm) over a stream (or ditch) in, or contiguous with the unit, for at least 33 ft. (l0m)
Stable steep banks of fine material that might be used by beaver or muskrat for denning
(> 30 degree slope) OR signs of recent beaver activity are present (cut shrubs or trees that have
not yet turned grey/brown)
At least l/4 acre of thin-stemmed oersistent vesetation or woody branches are Dresent in areas that
are permanently or seasonally inundated (strltctures for egg-lhying by amphfbians)
Invasive plants cover less than 25oh ofthe wetland area in each stratum ofplants
NOTE: The 20% stated in early printings of the manual on page 78 is an eruor.
H
tr
tr
X
3
H I TOTAL Score - potential for providing habitat 9----
Wetland Rating Form - western Washington, version 2 (7106)
Add the points in the column above
Page 5 of9
I
b
box)
tidal
!
Wetland name or number B
Total for page: 8
Comments:
=
H2 Does the wetland have the onnortunitv to provide habitat for many species?(only I scort
pcr box)
Buffers (see P. 80):
Choose lhe description that best represents condition of buffer ofwetland unil. The highest scoring
criterion that applies to the wetland is to be used in lhe rating. See textfor definition of "undisturbed".
f] tOOm (330 ft) ofrelatively undisturbed vegetated areas, rocky areas, or open water >
95% of circumference. No structures are within the undisturbed part ofbuffer
(relatively undisturbed also means no grazing, no landscaping, no daily human use)..............points = 5
El tOOm (330 ft) of relatively undisturbed vegetated areas, rocky areas, or open water >
500/o circumference points = 4
points = 4
25% circumference ..............points = 3
I SOm (170 ft) ofrelatively undisturbed vegetated areas, rocky areas, or open water for
> 50yo circumference..................
If buffer does not meet any of the criteria above:
.points = 3
fl No paved areas (except paved trails) or buildings within 25m (80 ft) of wetland >
95% circumference. Light to moderate grazing or lawns are OK ...............points = 2
fl No paved areas of buildings within 50m of wetland for> 50o/o circumference. Light
H 2.1
to moderate grazing or lawns are OK.............
I Heavy grazing in buffer
.points = 2
.points = I
fl Vegetated buffers are < 2m wide (6.6 ft) for more than 95o/o circumference
(e.g. tilled fields, paving, basalt bedrock extend to edge of wetland).. ........points = 0
fl nuffer does not meet any of the criteria above .points : I
Arial photo showing buffers
Figure
4
H2.2 Corridors and Connections (see p.8l)
H 2.2.1 Is the wetland part of a relatively undisturbed and unbroken vegetated corridor (either riparian
or upland) that is at least I 50 ft. wide, has at least a 30%o cover of shrubs, foresl 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, heovily 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 50 ft. wide, has at least 30oZ 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, ifit does not have an undisturbed corridor as in the question above?
YES:2 points (go to H 2.3) ilO: go toH2.2.3
H.2.2.3 Is the wetland:. Within 5 mi (8km) of a brackish or salt water estuary OR
. Within 3 miles of a large field or pasture (> 40 acres) OR YES : I point
r Within I mile of a lake greater than 20 acres? l{o : 0 points
4
Wetland Rating Form - western Washington, version 2 (7106)Page 6 of 9
!
)
fl SOm (170 ft) ofrelatively undisturbed vegetated areas, rocky areas, or open water
> 95oA circumference..................
I tOOm (330 ft) ofrelatively undisturbed vegetated areas, rocky areas, or open water >
F
H2.3 Near or adiacent to other oriority habitats listed bv WDFW (see p. 82):
Which of the following priority habitats are within 330 ft. (100m) of the wetland? NOTE: the connectiow do
not have to be relatively undisturbed. These are DFll/ definitiorc. Check with your local DFW biologist if
lhere are any queslions.
f[ Riparian: The area adjacent to aquatic systems with flowing water that contains elements of both
aquatic and terrestrial ecosystems which mutually influence each other.
f| lspen Stands: Pure or mixed stands of aspen greater than 0.8 ha (2 acres)
fl Ctiffs: Greater than 7.6m (25 ft) high and occurring below 5000 ft.
I Ota-growth forests: (Old growth west of Cascade Crest) Stands of at least 2 tree species, forming a
multi-layered canopywith occasional small openings, with at least 20 trees/tra (8 trees/acre) > 8lcm
(32 in) dbh or > 200 years ofage.
I Mature forests: Stands with averuEe diameters exceeding 53cm (21 in) dbh; crown cover may be less
than 100%; decay, decadence, numbers ofsnags, and quantity oflarge downed material is generally
less than that found in old-growth; 80 - 200 years old west ofthe Cascade Crest.
f] Prairies: Relatively undisturbed areas (as indicated by dominance of native plants) where greases
and/or forbs form the natural climax plant community.
f] Talus: Homogenousareasofrockrubbleranginginaveragesize0. l5-2.0m(0.5-6.5ft),composed
of basalt, andesite, and/or sedimentary rock, including riprap slides and mine tailings. May be
associated with cliffs.
I Caves: A naturally occurring cavity, recess, void, or system ofinterconnected passages.
f] Oregon white Oak: Woodlands stands of pure oak or oak/conifer associations where canopy coverage
ofthe oak component ofthe stand is 25Yo.
f] 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 ofnatural habitat larger than 4 ha (10 acres) and is surrounded by urban
development.
I 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 runofffrom the land. The salinity may be periodically
increased above that ofthe open ocean by evaporation. Along some low-energy coastlines there is
appreciable dilution ofsea water. Estuarine habitat extends upstream and landward to where ocean-
derived salts measure less than 0.5 ppt. during the period of average annual low flow. lncludes both
estuaries and lagoons.
f! 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 I priority habit .. : I point
If wetland has 2 priority habitats...............: 3 points No habitats.. 0 poins
Note: All vegetated wetlands are by definition a priority habitat but are not included in this list.
(Nearby wetlands are addressed in question H2.4).
0
H 2.4 Wetland Landscape: Choose the one descriplion of the landscape around lhe wetland that bestfi* (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 l/2 mile ....points : 5
. There are at least 3 other wetlands within l/2 mile, BUT the connections between them are
disturbed......points:3
. The wetland fringe on a lake with disturbance and there are 3 other lake-fringe wetlands
within l/2 mile ...........points : 3
. There is at least I wetland within ll2mile points: 2
. There are no wetlands within l/2 mi1e................points: 0
o Total Score for Habitat Functions Add the points for H I and H 2; then record lhe result on p. I
Wetland name or number B
Comments:
5
H 2 TOTAL Score - opportunity for providing habitat Add the scores from H2.1, H2.2, H2.3, H2.4 l3
TOTALfoTH lfrompage 81 9 I
22
J
Wetland Rating Form - western Washington, version 2 (7lM)Page 7 of9
)
Wetland name or number B DRAHT
C.lrnconrzATroN Bn srn Ox SpBcr.lL CHARACTERI srICS
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 Category when the appropriote
gre
SCI Is the wetland unit within a National Wildlife Refuge, National Park, National Estuary Reserve, Natural
Area Preserve, State Park or Educational, Environmental, or Scientific Reserve designated under WAC
332-30-15l? YES : Category I No: go to SC 1.2
Cat. I
SC I .2 Is the wetland at least I acre in size and meets at least two of the following conditions?
fl n. wetland t,t"T,t;"ffi1ffir1,].0"0 (nur ," atr.il!,in?Xli'rs;?,1lrr, cultivation, grazing,and has
less than l0olo cover ofnon-native plant species. Ifthe non-native Sparlina spp,. are only species
that cover more than 10% of the wetland, then the wetland should be given a dual rating (I/lI).
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 I acre.
fl et least 3/4 oTthe landward edge of the wetland has a 100 ft. buffer of shrub, forest, or un-grazed or
un-mowed grassland
fl fn. wetland fi'as at least 2 of the following features: tidal channels, depressions with open water, or
contiguous freshwater wetlands.
Cat.I
Cat.II
Dual
Rating
lltl
SC2 Natural Heritase 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 rnosl sites before you need to conlact WNHP/DNR.)
S/T/R information from Appendix D X or accessed from WNHP/DNR web site f]
YEs fl Contact WNHP/DNR (see p. 79) and go to SC 2.2 xo E[
SC 2.2 Has DNR identified the wetland as a high quality undisturbed wetland or as a site with state threatened
or endangered plant species?
YES : Category I NO I not a Heritage Wetland
Cat I
!ry(see p.87)
Does the wetland (or any part of the unit) meet both the criteria for soils and vegetation in bogs? Use
the key below to identiff if the wetland is a bog. If you answer yes you will still need to rote the
wetland based on its function.L Does the unit have organic soil horizons (i.e. layers of organic soil), either peats or mucks, that
compose l6 inches or more of the first 32 inches of soil profile? (See Appendix B for a field key to
identifu organic soils)? YES = go to question 3 ]aO: go to question 2
2. Does the wetland have organic soils, eitherpeats ormucks that are less than l6 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 question 3 xO : is not a bog for purpose ofrating
3. Does the unit have more than 70o/o 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
than30%o of the total shrub and herbaceous cover consists of species in Table 3)?
YES : Is a bog for purpose of rating NO : go to question 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.
4. Is the unit forested (> 30% cover) with sitka spruce, subalpine fir, western red cedar, westem
hemlock, lodgepole pine, quaking aspen, Englemann's spruce, or westem white pine. WITH any of
the species (or combination ofspecies) on the bog species plant list in Table 3 as a significant
component ofthe ground cover (> j0?5 coverage ofthe total shrub/herbaceous cover)?
YES : Category I NO X ls not a bog for purpose of rating
Cat.I
Wetland Rating Form - western Washington, version 2 (7106)Page 8 of 9
SCT
unit meet the following criteria for Estuarine wetlands?trtrtr
The dominant water regime is tidal,
Vegetated, and
With a salinity greater than 0.5 ppt.
YES : GO tO SC 1.I NO
Wetland name or number B
Comments:
L)t
SC4 Forested Wetlands (see p. 90)
Does the wetland have at least I acre of forest that meet one of these criteria for the Department of Fish
and Wildlife's forests as priority habitats? If you answer yes you will still need to rate the wetland
based on its function.
f| Otd-growth forests: (west of Cascade Crest) Stands of at least two three 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 ofage 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.
fl Mature forests: (west of the Cascade Crest) Stands where the largest trees are 80 - 200 years old
OR have an average diameters (dbh) exceeding 2l inches (53 cm); crown cover may be less than
l00Vo; decay, decadence, numbers of snags, and quantity of large downed material is generally
less than that found in old-growth.
YES : Category I NO : EI not a forested wetland with special characteristics
Cat.l
SC5 Wetlands in Coastal Lasoons (see p. 9l)
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.
I m" lagoon in which the wetland is located contains surface water that is saline or brackish (> 0.5
ppt) during most ofthe year in at least a portion ofthe lagoon (needs to be measured near the
bottom.)
YES : Go to SC 5.1 XO I not a wetland in a coastal lagoon
SC 5.1 Does the wetland meet all of the following three conditions?
fl m. wetland is relatively undisturbed (has no diking, ditching, filling, cultivation, grazing) and has
less than 20%o cover of invasive plant species (see list of invasive species on p. 74).
El et least 3/4 of the landward edge of the wetland has a 100 ft. buffer of shrub, forest, or un-grazed or
un-mowed grassland.
f] n. wetland is larger than l/10 acre (4350 square ft.)
YES : Category I XO : Category II
Cat.I
Cat. II
C6 Interdunal Wetlands (see p. 93)
Is the wetland west of the 1889 line (also called the Westem Boundary of Upland Ownership or
wBUO)?
YES : Go to SC 6.1 NO [[ not an interdunal wetland for rating
Ilyou answer yes you will slill need to rale 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 ofSR I l5 and SR 109
SC 6.1 Is the wetland one acre or larger, or is it in a mosaic of wetlands that is one acre or larger?
YES : Category II ilo : go to SC 6.2
SC 6.2 Is the wetland between 0. I and I acre, or is it in a mosaic of wetlands that is between 0.1 and I acre?
YES: Category III
Cat.II
Cat.III
a
Category of wetland based on Special Characteristics
Choose the "highest" rating if wetlandfalls inlo several categories, and record on p. I
If you answered No for all types enter "Not Applicable" on p. I
Wetland Rating Form - western Washington, version 2 (7106)Page 9 of 9
Wetland name or number C
Name of wetland (if known): Wetland C
Rated by: G. Allington, J. Dadisman
SEC: 15 TWNSHP:25N
Map of wetland unit
WETLAND RATING FORM _ WESTERN WASHINGTON
Version 2 - Updated July 2006 to increase accuracy and reproducibility among users
DRAFT
Category based on FUNCTIONS provided by wetland: I n UE
Date of site visit: 4/3/08
TrainedbyEcology? Yes X No E Dateoftraining:11/06JD
RNGE: 2W Is S/T/R in Appendix D? Yes f] No X
Figure N/A Estimated size: Approx. ^0.279 acres
SUMMARY OF RATING
m8 IvE
Category I =
Category II :
Category III =
Category IV:
Score > 70
Score 5l - 69
Score 30 - 50
Score < 30
lYeilrnd Unit hrs Spcctrt
Ctrncterlstrs
Estuarine U
Natural Heritage Wetland U
Bos tr
Mature Forest L_l
OId Growth Forest U
Coastal Lagoon tr
Interdunal L_l
None of the above
Score for Water Quality Functions
Score for Hydrologic Functions
Score for Habitat Functions
TOTAL Score for Functions
Wctlrnd IIGM Chre
urd for Rrths
Depressional x
Riverine U
Lake-fringe tr
Slope tr
Flats U
Freshwater Tidal tr
Check if unit has multiple
HGM classes present
l0
t4
t9
43
Category based on SPECIAL CHARACTERISTCS of Wetland I E II E Does not apply X
Final Category (choose the "highest" category from above")
Summary of basic information ebout the wetland unit.
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 the wetland to the the al characteristics found in the wetland.
Ta complete the next part of the
Thehy&rogunapricclessificatiorgrufu,ulardsintotrcelhdfi,rndiminsimih"rays Thissin$ifesthequegianneededtomsqrerhovwdltheu,gltrd
findicns The H$rogunuphic CXass ofa u,qlmd car be ddernined tsing trc key below. Se p. 24 fa mae dehild instrctias m classitang u,trlmds
Wetland Rating Form - western Washingon, version 2 (7106) Page I of 9
III
YESCheck List for Wetlends thrt Need Addltionrl Protection
(in edditton to the protectlon nocommerded for lts crtegory)
SPl. Has the wetland unit been documenled as a habitat for any Federally lisled Threatened or
Endangered animal or plant species (T/E species)?
For the purposes of this rating system, "documented" means the wetland is on the appropriate
state or federal database.
SP2. Has the wetland unit been documented as habitat for any State listed Threatened or
Endangered animal species? For the purposes of this rating system, "documented" means the
wetland is on the appropriate state database. Note: Wetlands with State listed plant species
are categorized as Category I Natural Heritage Wetlands (see p. l9 of data form).
x
XSP3. Does the wetland unit contain individuals of Priority species listed by the lTDFll/ for the state?
SP4. Does the wetland unit have a local significance in qddition to its functions? For example, the
wetland has been identified in the Shoreline Master Program, the Critical Areas Ordinance, or
inalocalmanagementplanashavingspecialsigniL
x tr
tr X
tr X
Wetland name or number C
If the hydrologic criteria
DRAFT
Classification of Vegetated Wetlands for Western Washington
listed in each question do not apply to the entire unit being ratod, yor probably have a unit with
multiple HGM classes. In this case, identify which bydrologic criteria in questions l-? apply, and go to Question 8.
-goto
t
I
t
t
I
T
t
I
I
T
I
T
I
T
I
I
I
t
T
I levels in the entire unit usually controlled by tides (i.e. except during floods)?
YES - the wetland class is Tidal Fringe
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)
Ifyour ,*etlotd cot be classified as a Fresht+ster Tidal Fringe use the fums for Riveirc rwtlmds. If it is a fulttwter Ttful Finge it
is ratel as ut Eilutiru vwtland. Wetlands ttrat were call estuarine in the first and second editiors of the rating q6tem are called Salt
Water Tidal Fringe in the Hydrogeomorphic Classificaticn. Esnrarine wetlands were catqanzd separately in the earlier editicns, and
this separatior is being kept in this revisiqr. To maintain corsistancy between editiorq the terrn'Estuarind' wetland is kepf Please
ncte, however, that the characteristics that define Category Iandtr eshrarinewetlandshavechanged(seep. ).
2. The entire wetland unit is flat and precipitation is only source (>90%) of water to it. Groundwater and surface water
runoff are NOT unrt.
YES - The wetland class is Flats
If your wetlald can fied as a "Flats" *"tland, use the fotm fot Dep
3. Does the entire wetland meet both of the following criteria?
E fne vegetated part of the wetland is on the shores of a body of permanent open water (without any vegetation on
the surface) where at least 20 acres (8ha) in size;
tr At least 30% of water area is
ustrine
4. Does the entire the following criteria?
f] fne wetland is on a slope (slope can be very gradual).
E ttre 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.
! fne water leaves the wetland without being impounded?
NOTE: Surface water does not pond in these types of wetlands except occasionally in very small and
shallow or behind hummocks (depressions are usually <3 ft diameter and less than I foot deep)
to5 YES - The wetland class is
5. Does the entire all of the following criteria?
deeper than 6.6 (2 mX
YES - The wetland class is
E fne unit is in a valley or stream channel where it gets inundated by overbank flooding fiom that stream or river
E fne overbank flooding occurs at least once every two years.
NoT@qlnitcanconlaindepressionsthatarefilledwithwaterwhentheriverisnotflooding.(- NO - go to_.p YES - The wetland class is Riverine
6. Is the entire wetland unit in a topographic depression in which water ponds, or is saturated to the surface, at some time of
the interior of the wetland
wetland class is Depressional
7. Is the entire wetland located in a very flat area with no obvious depression and no overbank flooding. The unit does not
pond surface water more than a few inches. The unit seems to be maintained by high groundwater in the area. The
wetland may be obvious natural outlet.
YES - The wetland class is
8. Your wetland unit seems to be difficult to classifr and prrobably oontains several ditrerent HGM classes For examplg see,ps at the base of a
slope may grade into a riverine floodplain, m a srnall steam within a depressiural wetland has a zme of flooding alolg its sides. GO
BACK AND IDENTIFY WHICH OF THE HYDROLOGIC REGIMES DESCRIBED IN QT]ESNONS I-7 APPLY TO DIFFERENT
AREAS IN TIIE UNTT (make a rcugh sketdr to help you decide). Use the following table to identi$ theappropriate class to use for the
rating system ifyou have several HGM classes present within your wetland. NOTE: Use this table only if the class that is recommended in
the second column represants l0lo or mtre ofthe total area of the wetland unit being rated Ifthearea ofthe class listed in colurnn 2 is less
0tan l0% of the rmit, classifr the wetland using the class that represents mme than 90% of the total area.
If you are unable still to determine which of the above criteria to your wetland, or you have more than 2 HGM classes
within a wetland boundary, classify the wetland as Depressional for the rating.
the year. This means that any outlet, if
NO-got97
-go to
HGM Classes within the wetland unit being rated HGM Class to Use in Ratins
fuverineSlope + Riverine
Slope + Depressional Depressional
Lake-fringeSlope + Lake-fringe
Depressional + Riverine along stream within boundary Depressional
DepressionalDepressional + Lake-fringe
Treat as ESTUARINE under wetlands with special
characteristics
Salt Water Tidal Fringe and any other class of
freshwater wetland
Wetland Rating Form - western Washington, version 2 (7106)Page 2 of 9
Wetland name or number C
D1 Does the wetland have the ootential to improve water quality?
WATER QUALITY FUNCTIONS - Indicators that wetland functions to improve water quality.per box)
(see p.38)
(only
D I . I Characteristics of surface water flows out of the wetland:. Unit is a depression with no surface water leaving it (no outlet). . points = 3. Unit has an intermittently flowing, OR highly constricted, permanently flowing outlet ........ points : 2. Unit has an unconstricted, or slightly constricted, surface oullet Qtermanently Jlowing) .... . . . points : I. Unit is a "flat" depression (Q.7 on key), or in the Flats class, with permanent surface
outflow and no obvious natural outlet and/or outlet is a man-made ditch............. points : I
(If ditch is not permanently.flowing treal unit as "intermillently llowing') Provide photo or drawing
Figure
3
D 1.2 The soil 2 inches below the surface (or dufflayer) is clay or organic (use NRCS definitions)
YES points:4 XO points = 0 0
D 1.3 Characteristics of persistent vegetation (emergent, shrub, and/or forest Cowardin class). Wetland has persistent, ungrazed vegetation > :95o/o of area.......... Wetland has persistent, ungrazed vegetation > : 112 of area... Wetland has persistent, ungrazed vegetation > : l/10 of area. Wetland has persistent, ungrazed vegetation < 1/10 of area...::..:...:::::::::::.:::::::.::::..::::::.:i:Iffi
=
I
Map of Cowardin vegetation classes
points : 5
....... points = 3
Figure
3
Characteristics ofseasonal ponding or inundation: This is the area of
least 2 months, but dries oul sometime during lhe year. Do not count
ponded. Eslimate area as the average condilion 5 out of l0 years.. Area seasonally ponded is > 112 total area of wetland. Area seasonally ponded is > l/4 total area of wetland. Area seasonally ponded is < l/4 total area of wetland
D 1.4
Map of
points :2
the wetland that is pondedfor at
lhe area that is permanently
Points = 4
D2 Does the wetland have the oonortunitv to improve water quallty?
YES multiplier is 2 NO multiplier is I
a IQTAL - Water Quality Functions Multiply the score LolqDl by D2; then add score to table on p. I l0
Does the wetland have the potential to reduce flooding and erosion?D3 (see p.46)
D 3. I Characteristics of surface water flows out of the wetland unit. Unit is a depression with no surface water leaving it (no outlet)points = 4
points:2
points: I
points:0
. Unit has an intermittently flowing, OR highly constricted permanently flowing outlet .......... Unit is a "flat" depression (Q.7 on key) or in the Flats class, with permanent surface
outflow and no obvious natural outlet and/or outlet is a man-made ditch.............
(If ditch is not permanenlly flowing treol unit as "intermittently /lowing"). Unit has an unconstricted, or slightly constricted, surface oullet (permanently flowind .......
4
D 3.2 Depth of storage during wet periods. Estimate the height of ponding obove the bottom of the outlet. For
units wilh no outlet measurefrom the sudace of permanentwater or deepest part (f dry).. Marks of ponding are 3 ft. or more above the surface or bottom of the outlet ... points : 7. The wetland is a "headwater" wetland . points : 5. Marks of ponding between 2 ft. lo < 3 ft. from surface or bottom of outlet ...... points = 5. Marks are at least 0.5 ft. to < 2 ft. from surface or bottom of outlet....... .......... points : 3. Wetland is flat (yeslo Q.2 or Q.] on key)but has small depressions on the surface that trap water. points : I. Marks of ponding less than 0.5 ft....... . points : 0
5
Contribution of wetland unit to storase in the watershed: Estimate the iaio of
basin contribuling surface water to ihe wetland lo the area of the wetland unit. The area of the basin is less than l0 times the area of unit........... The area of the basin is l0 to 100 times the area of the unit..... The area of the basin is more than 100 times the area of the unit
D 3.3
. Entire unit is in the FLATS class ........
D4 Does the wetland have the oooortunitv to reduce flooding and erosion?
Answer YES if the unit 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 floding or excessive and./or erosiv6'
flows. Answer NO if the water coming into the wetland is controlled by a structuie such as flood gate, tide
gate, flap valve, reservoir etc. OR youlstimate that more than 90oh of the water in the wetland is f,om
Total for D I
Figure
4
Add the in the boxes above ----l0
(see p. 44)
Multiplier
I
5
forD3 ----t4
(see p. 49)
Multiplier
Wetland Rating Form - western Washington, version 2 (7106)
Add the ints in lhe
Page 3 of9
!
0
oJ upslream
:0
:5
Wetland name or number C
a river or
a Functions the score from D3 then add score lo table on I ILYES,lier is 2
Comments:
NO isl
Wetland Rating Form - western Washington, version 2 (7lM)Page 4 of9
Wetland name or number C DRAF]T
HABITAT FUNCTIONS - Indicators that wetland frrnctions to provide important habitat.I
pa box)
HI Does the wetland have the notential to provide habltat for many species?
Veqetation structure (see P. 72):
Check the types ofvegetation classes present (as deJined by Cowardin) - Size thresholdfor each class is
I /4 acre or more than I 0o% of the area if unil is smaller lhan 2. 5 acres .
f] Aquatic BedI I Emersent olants
EI ScrubTshnib lareas where shrubs have > 30% cover)
I Forested (areas where trees have > 300/o cover)
If the unit has a {orested class check i{:
fl n " forested class has 3 out of 5 Jtrata (canopy, sub-canopy, shrubs, herbaceous, moss/ground-
cover) that each cover 20% within the forested polygon.
Add the number of vegetation types that qualiff. If you have: Map of Cowardin vegetation classes
4 structures or more ... .... points = 4 3 structures . .... points -- 2
H l.l
boints : 0I structure2 structures.. points : I
Figure _
I
H 1.2 H)droperiods (see P.73):
Check the types of water regimes (hydroperiods) presenl within the wetland. The waler regime has to
ol the wetland or I /4 acre to count (see text for descriptions of hydroperiods)
Permanently flooded or inundated 4 or more types present points : 3
Seasonally flooded or inundated 3 or more types present......points = 2
Occasionally flooded or inundated 2 types present...................points = I
Saturated only I type present....................points = Q
Permanently flowing stream or river in, or adjacent to, the wetland
Seasonally flowing stream in, or adjacent to, the wetlandLake-fringewetland....... = 2 points
Freshwater tidal wetland = 2 points Map of hydroperiods
cover more than 1075
Figure _
I
I
Richness ofPlant Soecies (see p. 75):
@tspeciesinthewetlandthatcoveratleasttoft21dffirenlpatchesofthesame
species can be combined to meel the size threshold)
You do not have to name the species. Do not include Eurasian Milfoil, reed canarygrass, purple
loosestrde, Canadian Thistle. Ifyou counted: > 19 species . points:2
5 - l9 species.................... points = I
List species below if you want to: < 5 species ... points : 0
H 1.3
Figure
2
H 1.4 Interspersion of Habitats (see p. 76):
Decided from the diagrams below whether interspersion between Cowardin vegetation (described in H I . I ), or
the classes and unvegetated areas (can include open water or mudflats) is
Hish = 3 Doints
medium, low, or none.
None = 0points l.ow= I point
-.'- [riparian braided channels]
Use map of Cowardin classes.
Note: If you have 4 or more classes
or 3 vegetation classes and
open water, the rating is
always "high".
Special Habitat Features (see p. 77):
Check the habitat features thal are presenl in the wetland. The number of checks is the number of points
vou Dut inlo the nexl column.
fi[ Lurg., downed, woody debris within the wetland (> 4 in. diameter and 6 ft, long)
[l Standing snags (diameter at the bottom > 4 inches) in the wetland
f-f Undercft banks are present for at least 6.6 ft.. (2m) and/or overhanging vegetation extends at least
3.3 ft. (lm) over a stream (or ditch) in, or contiguous with the unit, for at least 33 ft. (l0m)
l_l Stable steep banks of fine material that might be used by beaver or muskrat for denning
(> 30 degree slope) OR signs ofrecent beaver activity are present (cut shrubs or lrees that have
not yet turned grey/brown)
fl et least l/4 acre-of ihin-steirmed persistent vegetation or woody branches are present in areas that
are perrnanently or seasonally inundated, (structures for egg-laying by amphibians)
}( Invasive plants cover less than 25%o of the wetland area in each stratum ofplants
NOTE: The 20% stated in early prinlings of the manual on page 78 is an error.
H t.5
3
H 1 TOTAL Score - potential for providing habitat Add the points in the column above | 8 I
Wetland Rating Form - western Washinglon, version 2 (7106)Page 5 of 9
Modcratc = 2 pohts
Wetland name or number C
Comments
Total forpage: 6
i
H2 Does the wetland have the oooortunitv to provide habitat for many species?(only I scon
ocr box)
Buffers (see P. 80):
Choose the description that besl represents condition of buffer ofu,etland unit. The highest scoring
criterion that applies lo the wetland is to be used in lhe rating. See texlfor definilion of "undisturbed".
fl tOOm (330 ft) ofrelatively undisturbed vegetated areas, rocky areas, or open water >
95% of circumference. No structures are within the undisturbed part of buffer
(relatively undisturbed also means no grazing, no landscaping, no daily human use)..............points = 5
fl tOOm (330 ft) ofrelatively undisturbed vegetated areas, rocky areas, or open water >
507o circumference points = 4
fl SOm (170 ft) ofrelatively undisturbed vegetated areas, rocky areas, or open water
> 95yo circumference.....................................points : 4
water >f] tOOm (330 ft) ofrelatively undisturbed vegetated areas, rocky areas, or open
250lo circumference points : 3
E SOm (170 ft) ofrelatively undisturbed vegetated areas, rocky areas, or open water for
> 50oA circumference ...................Points = 3
If buffer does not meet any of the criteria above:
fl NIo paved areas (except paved trails) or buildings within 25m (80 ft) of wetland >
95% circumference. Light to moderate grazing or lawns are OK ...............points = 2
El No paved areas of buildings within 50m of wetland for > 50% circumference. Light
to moderate grazing or lawns are OK........
f] Heavy grazing in buffer
I Vegetated buffers are<2m wide (6.6 ft) formore thang5o/o circumference
(e.g. tilled fields, paving, basalt bedrock extend to edge of wetland)
I nuffer does not meet any of the criteria above .................
Arial photo showi
H2.t
.polnts = 2
.points = I
.points = [
.points = I
ing buffers
Figure _
2
Corridors and Connections (see p.8l)
H 2.2.1 Is the wetland part of a relatively undisturbed and unbroken vegetated corridor (either riparian
or upland) that is at least I 50 ft. wide, has at least a 30o/o 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 50 ft. wide, has at least 30olo 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, ifit does not have an undisturbed corridor as in the question above?
YES : 2 points (go ro H 2.3) NO : go ro 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 miles of a large field or pasture (> 40 acres) OR YES : I point
. Within I mile of a lake greater than 20 acres? NO : 0 points
H2.2
4
Wetland Rating Form - western Washington, version 2 (7lM)Page 6 of9
!
)
=
H 2.3 Near or adiacent to other priority habitats listed by WDFW (see p. 82):
Which of the following priority habitats are within 330 ft. (100m) of the wetland? NOTE: the connectiorc do
not have to be relatively undisturbed. These are DFII. definitiorn. Check with your local DFll biologist if
there are any questions.
I Riparian: The area adjacent to aquatic systems with flowing water that contains elements of both
aquatic and terrestrial ecosystems which mutually influence each other.
f] Aspen Stands: Pure or mixed stands of aspen greater than 0.8 ha (2 acres)
fl Cliffs: Greater than 7.6m (25 ft) high and occurring below 5000 ft.
f] OIA-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) > 8lcm
(32 in) dbh or > 200 years ofage.
f] Mature forests: Stands with average diameters exceeding 53cm (21 in) dbh; crown cover may be less
than 100%; decay, decadence, numbers ofsnags, and quantity oflarge downed material is generally
less than that found in old-growth; 80 - 200 years old west ofthe Cascade Crest.
f] Prairies: Relatively undisturbed areas (as indicated by dominance ofnative plants) where greases
and/or forbs form the natural climax plant community.
f] Talus: Homogenous areas of rock rubble ranging in average size 0. l5 - 2.0m (0.5 - 6.5 ft), composed
of basalt, andesite, and/or sedimentary rock, including riprap slides and mine tailings. May be
associated with cliffs.
I Caves: A naturally occurring cavity, recess, void, or system ofinterconnected passages.
I Oregon white Oak: Woodlands stands of pure oak or oak/conifer associations where canopy coverage
of the oak component of the stand is25%.
fl Urban Natural Open Spacc: 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 ofnatural habitat larger than 4 ha (10 acres) and is surrounded by urban
development.
I 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 runofffrom tbe land. The salinity may be periodically
increased above that ofthe open ocean by evaporation. Along some low-energy coastlines there is
appreciable dilution ofsea water. Estuarine habitat extends upstream and landward to where ocean-
derived salts measure less than 0.5 ppt. during the period of average annual low flow. lncludes both
estuaries and lagoons.
f] 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/rocVlog recruitment, nutrient contribution, erosion
control).
If wetland has 3 or more priority habitats..: 4 points If wetland has I priority habit .. : I point
If wetland has 2 priority habitats...............: 3 points No habitats.. 0 point
Note: All vegetated wetlands are by definition a priority habitat but are not included in this list.
(Nearby wetlands are addressed in question H2.4).
0
H 2.4 Wetland Landscaoe: Choose the one description of the landscape around lhe wetland that best /i* (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 bypaved 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 l/2 mile .........................points : 5
. There are at least 3 other wetlands within l12 mile, BUT the connections between them are
disturbed ...points:3
. The wetland fringe on a lake with disturbance and there are 3 other lake-fringe wetlands
within l/2 mile ...........points : 3
. There is at least I wetland within l/2 mile............................points:2
. There are no wetlands within l/2 mile........points : 0
a Total Score for Habitat Functions Add the points for H I and H 2; then record the resull on p. I
Wetland name or number C
Comments:
5
H 2 TOTAL Score - opportunity for providing habitat Add the scores from H2.l, H2.2, H2.3, H2.4 ll
TOTALfoTH lfrompage 8! 8 I
l9
J
Wetland Rating Form - western Washinglon, version 2 (7106)Page 7 of9
Wetland name or number C DRAFT
CatrcoRrzATroN B.rsno On SpscLlL CHARAcTERT STICS
Please determine if the wetland meets the attributes described below
and circle the appropriate answerc and Category.
Wetland Type - Check off any criteria that apply to the wetland. Circle the Cotegory when the appropriate
are
SC l.l Is the wetland unit 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_t5t? yES : Category I xO : go to SC 1.2
Cat. I
SC 1.2 Is the wetland at least I acre in size and meets at least two of the following conditions?
EI rn. wetrand t,tff,';.f;fffiJ.l,o"o (nu, "" aftil?,ii,?x1xs;?,'llr, curtivation, grazing,and has
less than 100/o cover ofnon-native plant species. Ifthe non-native Spartina spp,. are only species
that cover more than l0% of the wetland, then the wetland should be given a dual rating (l/II).
The area of Spartina would be rated a Category II while the relatively undisrurbed 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.
E et least 3/4.oTthe landward edge of the wetland has a 100 ft. buffer of shrub, forest, or un-grazed or
un-mowed erassland
fl fn. wetland fi'as at least 2 of the following features: tidal channels, depressions with open water, or
contiguous freshwater wetlands.
Cat. I
Cat. II
Dual
Rating
lltt
SC2 Natural Heritase 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 lo screen oul mosl sites before you need to contact WNHP/DNR.)
S/T/R information from Appendix D [[ or accessed from WNHP/DNR web site I
YES fl Contact WNHP/DNR (see p. 79) and go to SC 2.2 xo X
SC 2.2 Has DNR identified the wetland as a high quality undisturbed wetland or as a site with state threatened
or endangered plant species?
YES : Category I ilo X not a Heritage Wetland
Cat I
C3 Boss (see p. 87)
Does the wetland (or any part of the unit) meet both the criteria for soils and vegetation in bogs? Use
the key below to identifo if the wetland is a bog. If you answer yes you will still need to rate the
wetland based on its function.l. Does the unit have organic soil horizons (i.e. layers oforganic soil), either peats or mucks, that
compose l6 inches or more of the first 32 inches of soil profile? (See Appendix B for a field key to
identifr organic soils)? YES : go to question 3 l{O : go to question 2
2. Does the wetland have organic soils, either peats or mucks that are less than l6 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 question 3 NO: is not a bog for purpose of rating
3. Does the unit have more than 70%o 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%o ofthe total shrub and herbaceous cover consists ofspecies in Table 3)?
YES : Is a bog for purpose of rating NO : go to question 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.
4. Is the unit 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
componenl ofthe ground cover (> 30% coverage of the total shrub/herbaceous cover)?
YES : Category I NO X Is not a bog for purpose ofrating
Cat.l
Wetland Rating Form - western WashinSon, version 2 (7106)Page 8 of9
Wetland name or number C
Comments:
SC4 Forested Wetlands (see p. 90)
Does the wetland have at least I acre of forest that meet one of these criteria for the Department of Fish
and Wildlife's forests as priority habitats? If you answer yes you will still need lo rate the welland
based on its funclion.
f] OIA-growth forests: (west of Cascade Crest) Stands of at least two three 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 ofage 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.
f] Mature forests: (west of the Cascade Crest) Stands where the largest trees are 80 - 200 years old
OR have an average diameters (dbh) exceeding 2l inches (53 cm); crown cover may be less than
100%; decay, decadence, numbers of snags, and quantity of large downed material is generally
less than that found in old-growth.
YES : Category I ilO: X not a forested wetland with special characteristics
Cat.I
SC5 Wetlands in Coastal Lagoons (see p.9l)
Does the wetland meet all of the following criteria of a wetland in a coastal lagoon?
tr 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.
fl m" 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 X not a wetland in a coastal lagoon
SC 5.1 Does the wetland meet all of the following three conditions?
I n. wetland is relatively undisturbed (has no diking, ditching, filling, cultivation, grazing) and has
less than 20%o coyer of invasive plant species (see list of invasive species on p. 74).
fl et least 3/4 of the landward edge of the wetland has a 100 ft. buffer of shrub, forest, or un-grazed or
un-mowed grassland.
fl m. wetland is larger than l/10 acre (4350 square ft.)
YES : Category I NO : Category II
Cat.I
Cat. II
SC6 Interdunal Wetlands (see p. 93)
Is the wetland west of the 1889 line (also called the Western Boundary of Upland Ownership or
wBUOX
YES : Go to SC 6.1 ilO EI not an interdunal wetland for rating
If you answer yes you will still need to rale the wetland based on ils functions.
In practical terms that means the following geographic areas:
o Long Beach Peninsula -- lands west of SR 103. Grailand-Westport -- lands west of SR 105. Ocean Shores-Copalis - lands west of SR I I 5 and SR 109
SC 6. I Is the wetland one acre or larger, or is it in a mosaic of wetlands that is one 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
Cat.II
Cat. III
a
Category of wetland based on Special Characteristics
Choose the "highest" rating if wetlandfalls inlo several calegories, and record on p. I
If you answered ilO for all types enter "Not Applicable" on p. 1
Wetland Rating Form - western Washington, version 2 (7106)Page 9 of9
)
Wetland name or number D
WETLAND RATING FORM - WESTERN WASHINGTON
Version 2 - Updated July 2006 to increase accuracy and reproducibility among users
Name of wetland (if known): Wetland D Date of site visit: 4/3/08
Rated by: G. Allington, J. Dadisman Trained by Ecology? Yes I No E Date of training: ll/06 JD
SEC: 15 TWNSHP: 25N RNGE: 2W Is S/T/R in Appendix D? Yes E No g
Map of wetland unit: Figure N/A Estimated size: Approx. -0.5 to I acre
SUMMARY OF RATING
Category based on FUNCTIONS provided by wetland: I n II n rrx IVE
DRAffi
Category I =
Category II =
Category III :
Category IV =
Score > 70
Score 5l - 69
Score 30 - 50
Score < 30
Category based on SPECIAL CHARACTERISTCS of Wetland I fl II n
Final Category (choose the "highest" category from above")
Summary of basic information about the wetland unit.
lVethnd Urtt hr Specid
Clrnctcrtrfics
Estuarine tr
Natural Heritage Wetland U
Bog tr
Mature Forest tr
Old Growth Forest U
Coastal Lagoon tr
Interdunal U
None of the above
Score for Water Quality Functions
Score for Hydrologic Functions
Score for Habitat Functions
TOTAL Score for Functions
IVcflud HGMCtrsc
urcd for RrdE
DeDressional x
Riverine J
Lake-fringe l
Slope l
Flats U
Freshwater Tidal l
Check if unit has multiple
HGM classes present
r0
t2
24
46
Does not appty EI
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 the wetland accordin to the S the characteristics found in the wetland.
To complete the next part of the data sheet you will need to determine the Hydroseomomhic Class of ttle wetland beine rated
Thehy&ogeoncrpricclassifcaticngrupsrldaftintothce6dfi.ndininsimihwals. Thissinplifiesthe$rgiorsneededtomsrtrhorudltreuUlad
fimciars TheHy&pgemtrdlicClassofaudlmdcarbedffirninedrsingftekeybelow. Seep.24ftrmcedgailedimtuicrscnclassilingu,ulads
Wetland Rating Form - western Washington, version 2 (7lM) Page I of 9
III
CheckLlst for Wetlends th.t Need Addttionrl Protectton
(in addidon to the protGction recommended for its crtegory)
SPl. Has the wetland unit been documented as a habitat for any Federally listed Threatened or
Endangered animal or planl species (T/E species)?
For the purposes of this rating system, "documented" means the wetland is on the appropriate
state or federal database.
X
SP2. Has the wetland unit been documented as habttat for any State listed Threatened or
Endangered animal species? For the purposes of this rating system, "documented" means the
wetland is on the appropriate state database. Note: Wetlands with State listed plant species
are categorized as Category I Natural Heritage Wetlands (see p. l9 of data form).
x
SP3. Does the wetland unit contain individuals of Priority species listed by the lYDFll/ for the state?l X
SP4. Does the wetland unil have a local significance in addition to its functiors? 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.
nx
YES NO
tr
X
-goto
Wetland name or number D
Classification of Vegetated Wetlands for Western Washington
If the hydrologic criteria listed in each question do not apply to the entire unit being rated, you probably have a unit with
multiole HGM classes. In this case. identifu which hvdrolosic criteria in questions l-7 aoolv. and co to Ouestion 8.
levels in the entire unit usually controlled by tides (i.e. except during floods)?
YES - the wetland class is Tidal Fringe
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 @stuarine)
Ifyow ,,+etlud cot be classified as a Freshrwter Tidal Fringe use thefonns for Nvvitu vEtl@t^. If it is a hltvnter Tidal Finge it
is rated as m Estutiru'nrytland. WetJzulds that were call estuarine in the fust and second editiurs of the rating qnt€m are called Salt
Wata Tidal Fringe in the Hydrogeomorphic Classificaticn. Estuarine wetlands were categdzed sqarately in the earlier editiors, and
ttris separatior is being kept in this revisior. To maintain corsistancy betrveen editisrq the terrn'Estrarind' wetland is kept Please
that the characteristics that define I and II estuarine wetlandshave
2. The entire wetland unit is flat and precipitation is only source (>90%) of water to it. Groundwater and surface water
runoff are NOT unit.
If yoUlry4lq4 rqo
' YES - The wetland class is Flats
as a "Flats" wetland, use the form for Depressional wetlands
3. Does the entire wetland meet both of the following criteria?
n fne vegetated part of the wetland is on the shores of a body of permanent open water (without any vegetation on
the surface) where at least 20 acres (8ha) in size;
tr At least 30% of water area is deeper than 6.6 (2 m)?
YES - The wetland class is
4. Does the entire the following criteria?
E fne wetland is on a slope (slope can be very gradual).
n fne 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.
E fne water leaves the wetland without being impounded?
NOTE: Surface water does nol pond in these types of wetlands except occasionally in very small and
shallow or behind hummocks (depressions are usually <3 ft diameter and less than I foot deep).
to5 YES - The wetland class is
5. Does the entire all of the following criteria?
DRAF]T
E fne unit is in a valley or stream channel where it gets inundated by overbank flooding from that stream or river,
E fne overbank flooding occurs at least once every two years.
NOTE:-Ibirt*e-u4il can contain depressions that are filled with water when the river is not Jlooding.
QNO - eo to 6) YES - The wetland class is Riverine
6. Is the entire wetland unit 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, if than the interior of the wetland.
NO-to7 wetland class is
7. Is the entire wetland located in a very flat area with no obvious depression and no overbank flooding. The unit does not
pond surface water more than a few inches. The unit seems to be maintained by high groundwater in the area. The
wetland may be obvious natural outlet.
YES - The wetland class is onal
8. Your wetland unit seems to be difficult to classi$ and probably contains several different HGM classes For examplg see,ps at the base of a
slope may grade into a riverine floodplairl m a snall steam within a depressiural wetland has a zme of flooding alorg its sides. GO
BACK AND IDENTIFY WHICH OF T}IE HYDROLOGIC REGIMES DESCRIBED IN QUESTIONS I-7 APPLY TO DIFFERENT
AREAS IN TIIE UNIT (make a rcugh sketch to help you decide). Use the following table to identi$ theappropriate class to use for the
rating s)6tern ifyou have several HGM classes present within your wetland. NOTE: Use this table srly if the class that is recommended in
the second column represents l0lo or more of the total area of the wetland unit being rated Ifthearea of 0re class listed in column 2 is less
than l0% ofthe urit classi! the wetland using the class that represents mue than 90% of the total area.
Ifyou are unable st ll to e which 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.
-go to
YES _
o-to8
HGM Closses within the wetland unlt being roted HGM Class to Use ln Ratks
Slope + Riverine Riverine
Slope + Depressional Depressional
Slope + Lake-fringe Lake-fringe
Depressional
DepressionalDepressional + Riverine along stream within boundary
Depressional + Lake-fringe
Salt Water Tidal Fringe and any other class of
freshwater wetland
Treat as ESTUARINE under wetlands with special
characteristics
Wetland Rating Form - western Washington, version 2 (7106)Page 2 of 9
I
Wetland name or number D
D1 Does the wetland have the ootential to improve water quality?
WATER QUALITY FLTNCTIONS - Indicators that wetland functions to improve water quality.pcr box)
(see
Figure
3
D I . I Characteristics of surface water flows out of the wetland:
Unit is a depression with no surface water leaving it (no outlet)
Unit has an intermittently flowing, OR highly constricted, permanently flowing outlet .......
Unit has an unconstricted, or slightly constricted, surface outlet Qtermanently Jlowing) ......
Unit is a "flat" depression (Q.7 on key), or in the Flats class, with permanent surface
outflow and no obvious natural outlet and/or outlet is a man-made ditch............
(If ditctt is not permanently fiowing treat unit as "intermitlently flowing ') Provide photo
,. Points = 3
,. points : 2
,. points = I
,. points : I
or drawing
D 1.2 The soil 2 inches below the surface (or dufflayer) is clay or organic (use NRCS deJinilions)
YES points:4 NO points = 0 0
Characteristics of persistent vegetation (emergent, shrub, and/or forest Cowardin class):. Wetland has persistent, ungrazed vegetation > -- 95oA of area........... Wetland has persistent, ungrazed vegetation > -- l12 of area............. Wetland has persistent, ungrazed vegetation >: l/10 of area........... Wetland has persistent, ungrazed vegetation < 1/10 of area.............
5
3
I
0
D 1.3 Figure
3
D2 Does the wetland have the oooortunitv to improve water quality?
Add the
(see p. 44)
is2 isl
or on:area al
YES NO
the area that is
in the boxes above ----l0
during the year
condition 5 outponded. Estimale. Area seasonally. Area seasonally. Area seasonally
Ileas 2 driesbul out Do countnotmonths,
0ASareatheof yearsaverage
is I totall)ofafea wetlandponded
I areatotal of wetlandl4isponded
I afeatotal of wetlandl4isponded
Total for D 1
of
Figure
4
Multiplier
I
points = 4
points:2
points:0
a TOTAL - Water Quali8 Functions Multiplv the score from Dl by D2; thel add score to table on p. I l0
Does the wetland have the ootential to reduce flooding and erosion?D3 (see p.46)
D 3. I Characteristics of surface water flows out of the wetland unit. Unit is a depression with no surface water leaving it (no outlet).. Unit has an intermittently flowing, OR highly constricted permanently flowing outlet ..... Unit is a "flat" depression (Q.7 on key) or in the Flats class, with permanent surface
outflow and no obvious natural outlet and/or outlet is a man-made ditch.............
(If ditch is not permanently Jlowing treat unit as " intermittently Jlowing"). Unit has an unconstricted, or slightly constricted, surface outlel (permanenlly.flowing) .....
points = 4
points:2
points: I
points : 0
4
points: 7
points : 5
points : 5
points:3
points = Ipoints:0
D 3.2 Depth of storage during wet periods. Estimate the height of ponding above the bottom of the outlet. For
units wilh no outlel measure from the surface of permanent water or deepest parl (rf dry).. Marks of ponding are 3 ft. or more above the surface or bottom of the outlet. The wetland is a "headwater" wetland. Marks of ponding between 2 ft. to < 3 ft. from surface or bottom of outlet...... Marks are at least 0.5 ft. to < 2 ft. from surface or bottom of outlet. Wetland is flat (yes to Q.2 or Q.7 on key)but has small depressions on the surface that trap water.. Marks of ponding less than 0.5 ft...........
5
. The area of the basin is l0 to 100 times the area of the unit..... The area of the basin is more than 100 times the area of the unit.........
D 3.3 lhe area ofupslream
itself.
...... points : Q
...... Points : 5
points : 5
points = 3
. Entire unit is in the FLATS class
D4 Does the wetland have the opportunitv to reduce flooding and erosion?
Answer YES if the unit 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 comins into the wetland is controlled bv a structure such as flood sate. tide
sate. flap valve. reservoir etc. OR vouEstimate that more than X)%o of the water in the wetland is fom
3
D3 ----t2
(see p. 49)
Multiplier
Wetland Rating Form - western Washington, version 2 (7/M)
above
Page 3 of9!
clesses
D t.4
Wetland name or number D
of the
flow into a river or
a TOTAL - Hydrologic Functions Multiply the score from D3 by D4; then sdd score to table on p. I t2
YES is2
Comments:
I.lo isl
Wetland Rating Form - western Washington, version 2 (7106)Page 4 of9
!
Wetland name or number D DRAffi
H1
HABITAT functions importantIndicatorsthatto habitat.ruNCTIONS wetland provide prr box)
(oaly I
Does the wetland have the ootential to provide habitat for many species?
H 1.1 Vesetation structure (see P. 72):
Check the types of vegelation classes present (as de/ined by Cowardin) - Size threshold for each class is
1/4 acre or more than l0% of the area if unit is smaller lhan 2.5 acres.[-l Aouatic Bed
[l emergent plants
}[ Scrub/shrub (areas where shrubs have > 30% cover)
[f Forested (areas where trees have > 30% cover)
Ifthe unit has a foresled class check if:
E fn. forested class has 3 out of5 it'4ta lcanopy, sub-canopy, shrubs, herbaceous, moss/ground-
cover) that each cover 20Yowithin the forested polygon.
Add the number of vegetation types that qualtfy. If you have: M ap of Cowardin vegetation classes4structuresormore.......points=43structureS.....
2 structures.. points : I I structure ooints : 0
Figure _
2
H 1.2 Hydroperiods (see p.73):
Check the types of water regimes (hydroperiods) presenl within lhe wellond. The water regime has to
of the wetland or l/4 acre lo counl (see textfor descriptions ofhydroperiods).
Permanently flooded or inundated 4 or more tyDes Dresent noints : 3
Seasonally hooded or inundated 3 or more tfres irresent......boints : 2
Occasiondlly flooded or inundated 2 types prei6nt...................boints = I
Saturated only I type present....................points:0
Permanently flowing stream or river in, or adjacent to, the wetland
Seasonally howing itream in, or adjacent to, the wetlandLake-fringewetland....... = 2 points
cover more than |0ol
Freshwater tidal wetland = 2 Doints Map of hydroperiods
Figure _
I
H 1.3 Richness ofPlant Soecies (see p. 75):
Count the number of plant species in the wetland that cover at least l0 ft2 (different patches of the same
species can be combined to meel ,he size threshold)
You do nol have to name the species. Do not include Eurasian Milfoil, reed canarygrass, purple
loosestrife, Canadian Thistle. If you counted: > 19 species .. points = 2
5 - l9 species.................... points: I
List species below if you want to: < 5 species .... boints : 0
1
H 1.4 Interspersion of Habitats (see p. 76):
Decided from the diagrams below whether interspersion between Cowardin vegetation (described in Hl.l), or
the classes and unvegetated areas (can include open water or mudflats) is high, medium, low, or none.
Moderatc = 2 points
Hish = 3 Doints
None=0poins Low= Ipoint
--r' [riparian braided charurels]
Use map of Cowardin classes.
Note: If you have 4 or more classes
or 3 vegetation classes and
open water, the rating is
always "high".
Figure _
3
H 1.5 Special Habitat Features (see p. 77):
Check the habitat features lhal are present in the wetland. The number of checl<s is the number of points
pul into the next column.
Large, downed, woody debris within the wetland (> 4 in. diameter and 6 ft. long)
Standing snags (diameter at the bottom > 4 inches) in the wetland
Und-ercut banks are present for at least 6.6 ft. (2m) and/or overhanging vegetation extends at least
3.3 ft. (lm) over astream (or ditch) in, or contiguous with the un*it,Tor a-t least 33 ft. (l0m)
Stable steep banks of fine material that might be used by beaver or muskrat for denning
(> 30 degree slope) OR signs of recent bEaver activity are present (cut shrubs o, teZs that have
not yel turned grey/brown)
At least l/4 acre of thin-stemmed persistent vegetation or woody branches are present in areas that
are perrnanently or seasonally inundated (stuctures for egg-laying by amphibians)
Invasive plants c6ver less than'25% of the rletland areh in &ttr Jtraium of flantsNOTE: The 20% slated in early printings of the manual on page 78 is an error.
H
tr
tr
EX
4
---H I TOTAL Score - potential for providing habitat 1t
Wetland Rating Form - western Washinglon, version 2 (7106)
Add the points in the column above
Page 5 of 9
J
bd _L 7':f A
Wetland name or number D FI
H2 Does the wetland have the opportunitv to provide habitat for many species?(only I score
oer box)
H2.1 Buffers (see P. 80):
Choose lhe description thal best represenls condition of buffer ofwetland unit. The highesl scoring
criterion that applies to lhe wetland is to be used in the rating. See texlfor definition of "undisturbed".
I tOOm (330 ft) ofrelatively undisturbed vegetated areas, rocky areas, or open water >
95% of circumference. No structures are within the undisturbed part of buffer
(relatively undisturbed also means no grazing, no landscaping, no daily human use)..............points = 5
[[ tOOm (330 ft) ofrelatively undisturbed vegetated areas, rocky areas, or open water >
50olo circumference points = 4
fl SOm (170 ft) ofrelatively undisturbed vegetated areas, rocky areas, or open water
> 95o/o circumference .points = 4
fl tOOm (330 ft) ofrelatively undisturbed vegetated areas, rocky areas, or open water >
25% circumference ............points = 3
fl SOm (170 ft) ofrelatively undisturbed vegetated areas, rocky areas, or open water for
> 50Yo circumference points : 3
If buffer does not meet any of the criteria above:
fl No paved areas (except paved trails) or buildings within 25m (80 ft) of wetland >
95% circumference. Light to moderate grazing or lawns are OK
I No paved areas of buildings within 50m of wetland for > 50% circumference. Light
.points = !
to moderate grazing or lawns are OK .points = !
.points = |trtr Heavy grazing in buffer
Vegetated buffers are < 2m wide (6.6 ft) for more than 95%o circumference
(e.g. tilled fields, paving, basalt bedrock extend to edge of wetland).points = 0
.points = |fl Buffer does not meet any of the criteria above................
Arial photo showing buffers
Figure _
4
H2.2 Corridors and Connections (see p. 8l)
H 2.2.1 Is the wetland part of a relatively undisturbed and unbroken vegetated corridor (either riparian
or upland) that is at least I 50 ft. wide, has at least a 30Vo 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) xo : go ro 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 50 ft. wide, has at least 30o/o cover ofshrubs or forest, and connects to
estuaries, other wetlands or undisturbed uplands that are at least 25 acres in size? OR a Lake-
fringe wetland, ifit does not have an undisturbed corridor as in the question above?
YES : 2 points (go to H 2.3) No : go to 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 miles of a large field or pasture (> 40 acres) OR yES : I point. Within I mile of a lake greater than 20 acres? l{O : 0 points
4
Comments:
Total for page: 8
Wetland Rating Form - western Washington, version 2 (7106)Page 6 of9
I
;l
H2.3 Near or adjacent to other priority habitats listed by WDFW (see p. 82):
Which of the following priority habitats are within 330 fl. (100m) of the wetland? NOTE: the connections do
not have to be relatively undisturbed. These are DFll definitiorc. Check with your local DFW biologist if
there are any questioru.
I Riparian: The area adjacent to aquatic systems with flowing water that contains elements of both
aquatic and terrestrial ecosystems which mutually influence each other.
I lspen Stands: Pure or mixed stands of aspen greater than 0.8 ha (2 acres)
fl CUffs: Greater than 7.6m (25 ft) high and occurring below 5000 ft.
f| Otd-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 rees/ha (8 trees/acre) > 8lcm
(32 in) dbh or > 200 years ofage.
f] Mature forests: Stands with average diameters exceeding 53cm (21 in) dbh; crown cover may be less
than 100%; decay, decadence, numbers ofsnags, and quantity oflarge downed material is generally
less than that found in old-growth; 80 - 200 years old west ofthe Cascade Crest.
f] Prairies: Relatively undisturbed areas (as indicated by dominance of native plants) where greases
and/or forbs form the natural climax plant community.
f] Talus: Homogenous areas of rock rubble ranging in average size 0. l5 - 2.0m (0.5 - 6.5 ft), composed
of basalt, andesite, and./or sedimentary rock, including riprap slides and mine tailings. May be
associated with cliffs.
I Caves: A naturally occurring cavity, recess, void, or system ofinterconnected passages.
f] Oregon white Oak: Woodlands stands of pure oak or oaVconifer associations where canopy cov€rage
ofthe oak component ofthe stand is25o/o.
fl 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 habitots, especially those that would otherwise be isolated; and/or the open space is an
isolated remnant ofnatural habitat larger than 4 ha (10 acres) and is surrounded byurban
development.
I 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 ofthe open ocean by evaporation. Along some low-energy coastlines there is
appreciable dilution ofsea water. Estuarine habitat extends upstream and landward to where ocean-
derived salts measure less than 0.5 ppt. during the period of average annual low flow. Includes both
estuaries and lagoons.
fl 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/rocVlog recruitment, nutrient contribution, erosion
control).
If wetland has 3 or more priority habitats..: 4 points If wetland has I priority habit .. : I point
If wetland has 2 priority habitats...............: 3 points No habitats.. 0 poinb
Note: All vegetated wetlands are by definition a priority habitat but are not included in this list.
(Nearby wetlands are addressed in question H2.4).
0
H 2.4 Wetland Landscaoe : Choose lhe one descriplion of the landscape around the wetland that best fi* (see p. 84). There are at least 3 other wetlands within ll2 mile, and the connections between them are
relatively undisturbed (light grazing between wetlands OII 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 l/2 mile ..points : 5
. There are at least 3 other wetlands within I /2 mile, BUT the connections between them are
disturbed.
. The wetland fringe on a lake with disturbance and there are 3 other lake-fringe wetlands
within l/2 mile...
............points:3
................points : 3
................points : 2. There is at least I wetland within ll2 mile
. There are no wetlands within l/2 mile........points : 0
a Total Score for Habitat Functions Add the points for H I and H 2; then record the result on p. I
Wetland name or number D
Comments:
5
H 2 TOTAL Score - opportunity for providing habitat Add the scores from H2.l, H2.2, H2.3, H2.4 r3
sl 1l I
24
J
Wetland Rating Form - western Washington, version 2 (7106)
TOTALforHlfrompage
PageT of9
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l
Wetland name or number D DRAffi
C.c,rncoRrzATroN B.csnn ON Spncm,L CHARACTERTSTIcS
Please determine dthe wetland meets the attributes described below
and circle the appropiate answers and Category.
SCI Estuarine wetlands? (see p.86)
Does the wetland unit meet the following criteria for Estuarine wetlands?
I n " dominant water regime is tidal,
Vegetated, and
With a salinity greater than 0.5 ppt.
YES : Go to SC l.l xo EX
trfl
Wetlend Type - Check off any criteria that apply lo the wetland. Circle the Category when the appropriate
are mel,
SC l.l Is the wetland unit within a National Wildlife Refuge, National Park, National Estuary Reserve, Natural
Area Preserve, State Park or Educational, Environmental, or Scientific Reserve designated under WAC
332-30-15l? YES : Category I No: go to SC 1.2
Cat. I
SC 1.2 Is the wetland at least 1 acre in size and meets at least two of the following conditions?
I rre werrand,'t'=",?,,r"fr?l,1fi,'Jrlrbed (has ," aiul?,inc.ffi?,'llr, cultivation, grazins,and has
less than l0olo cover ofnon-native plant species. Ifthe non-native Spartina spp,. are only species
that cover more than 10% of the wetland, then the wetland should be given a dual rating (I/lI).
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 Sp-ahina in
determining the size threshold of I acre.
fl nt least 3/4 oTthe landward edge of the wetland has a 100 ft. buffer of shrub, forest, or un-grazed or
un-mowed grassland
E fn" wetland i'as at least 2 of the following features: tidal channels, depressions with open water, or
contiguous freshwater wetlands.
Cat.I
Cat. Il
Dual
Rating
Utl
C2 Natural Heritase 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.)
S/T/R information from Appendix D EX or accessed from WNHP/DNR web site fl
YEs I Contact WNHP/DNR (see p. 79) and go to SC 2.2 xo El
SC 2.2 Has DNR identified the wetland as a high quality undisturbed wetland or as a site with state threatened
or endangered plant species?
YES : Category I t{O [l not a Heritage Wetland
Cat I
fup(see p.87)
Does the wetland (or any part of the unit) meet both the criteria for soils and vegetation in bogs? Use
the key below to identiff if the wetland is a bog. If you answer yes you will still need to rute the
wetland based on its fanction.l. Does the unit have organic soil horizons (i.e. layers of organic soil), either peats or mucks, that
compose l6 inches or more of the first 32 inches of soil profile? (See Appendix B for a field key to
identifu organic soils)? YES: go to question 3 ilO: go to question 22. 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 orpond? YES: go to question 3 ]aO: is not a bog for purpose ofrating3. Does the unit have more than 70%o 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 30o/o ofthe total shrub and herbaceous cover consists ofspecies in Table 3)?
YES = Is a bog for purpose ofrating llO: go to question 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 I 6" deep. If the pH is
less than 5.0 and the "bog" plant species in Table 3 are present, the wetland is a bog.
4. Is the unit forested (> 30% cover) with sitka spruce, subalpine fir, western red cedar, western
hemlock, Iodgepole pine, quaking aspen, Englemann's spruce, or westem white pine. WITH any of
the species (or combination ofspecies) on the bog species plant list in Table 3 as a significant
component ofthe ground cover (> j0% coverage of the lotal shrub/herbaceous cover)?
YES = Category I NO I ls not a bog for purpose of rating
Cat.I
Wetland Rating Form - western Washington, version 2 (7106)Page 8 of9
!
SC3
Wetland name or number D
Comments:
I
SC4 Forested Wetlands (see p. 90)
Does the wetland have at least I acre of forest that meet one of these criteria for the Department of Fish
and Wildlife's forests as priority habitats? lf you answer yes you will still need to rate the wetland
based on its function.
I Ota-growth forests: (west of Cascade Crest) Stands of at least two three species forming a multi-
layered canopy with occasional small openings; with at least 8 trees/acre (20 trees/hectare) that are
at l€ast 200 years ofage 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.
I Mature forests: (west of the Cascade Crest) Stands where the largest trees are 80 - 200 years old
OR have an average diameters (dbh) exceeding 2l inches (53 cm); crown cover may be less than
100%; decay, decadence, numbers of snags, and quantity of large downed material is generally
less than that found in old-growth.
YEs : Category I xO : X not a forested wetland with special characteristics
Cat.I
Wetlands in Coastal Lagoons (see p. 9l)
Does the wetland meet all of the following criteria of a wetland in a coastal lagoon?
tr 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, Iess frequently, rocks.
fl fi,. 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 XO I not a wetland in a coastal lagoon
SC 5.1 Does the wetland meet all of the following three conditions?
f] m. wetland is relatively undisturbed (has no diking, ditching, filling, cultivation, grazing) and has
less than 20Yo cover ofinvasive plant species (see list ofinvasive species on p. 74).
fl et least 3/4 of the landward edge of the wetland has a 100 ft. buffer of shrub, forest, or un-grazed or
un-mowed grassland.
fl m. wetland is larger than l/10 acre (4350 square ft.)
YES : Category I ]aO : Category II
Cat.I
Cat.II
Interdunal Wetlands (see p. 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 ilO [l not an interdunal wetland for rating
If yoa answer yes you will still need to rute the wetland based on its functions.
In practical terms that means the following geographic areas:. LonB Beach Peninsula -- lands west of SR 103. Grayland-Westport -- lands west of SR 105. Ocean Shores-Copalis - lands west ofSR I l5 and SR 109
SC6. I Isthewetlandoneacreorlarger,orisitinamosaicofwetlandsthatisoneacreorlarger?
YES: Category II rrO : go to SC 6.2
SC 6.2 Is the wetland between 0. I and I acre, or is it in a mosaic of wetlands that is between 0.1 and I acre?
YES: Category III
Cat.II
Cat.III
a
Category of wetland based on Special Characteristics
Choose the "highest" raling if wetlandfalls into several categories, and record on p. I
If you answered t{O for all types enter "Not Applicable" on p. I
Wetland Rating Form - western Washington, version 2 (7106)Page 9 of 9
DRAFT
APPENDIX D
Ptettr Descruprrorvs
DRAFT
APPENDIX D
PLANT DESCRIPTIONS
Tnees
Big leaf Maple (Acer macrophylla): This tall tree has a
massive, squat main trunk and soaring, huge vertical limbs.
In the open, it forms a round, spreading crown, while in a
dense stand it becomes a tall straight tree. It has long
clusters of yellow flowers in the spring, and very large,
lobbed leaves which turn yellow in the fall. Various birds
eat its two-winged "helicopter" fruits, and the leaves
provide foliage for deer and elk. Young trees grow rapidly
in the spring (Thurston County Conservation District
2005). It grows in dry to moist sites, often with Douglas
fir and often on sites disturbed by fire, clearing or logging
at low to middle elevations (Pojar and MacKinnon 1994).
Douglas Fir (Pseudotsuga menziesii\: This tree grows well in
various soil types, especially in sunny areas. It has flat needles
that are sharp-pointed but not prickly, and many medium-sized
cones that drop to the ground each fall. The ridged Douglas fir
bark on older trees is fire-resistant because of its thickness. An
uncrowded tree has pyramidal crown with dense foliage. Deer
and rodents browse on the seedlings, and small birds and
mammals eat the seeds. It needs well-drained soil and full sun
but is located everywhere from extremely dry, low elevation
sites to moist mountain sites (Thurston County Conservation
District 2005 and Pojar and MacKinnon 1994).
Pacific Willow (Salix lucida ssp. lasiandra): This tree typically has one or
more leaning, crooked trunks and an upright to rounded form. It can grow 20
to 40 feet tall as a deciduous shrub or tree and grows in coastal dune wetland
communities along the outer coast and coastal freshwater swamps around
Puget Sound (Department of Ecology 1993). The branches are brown and
twigs glossy, with yellow, duckbill-shaped buds that are usually hairless and
brittle at base. The bark is fissured yellowish-brown on older trees. This
plant is found along riverbanks, floodplains, lakeshores and wet meadows. It
tolerates full sin to partial shade and prefers moist soils (Pojar and
MacKinnon 1994).
August 21,2008
Page D-l GeoExeneeeslQFile No. 1 2677-001-06
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Red Alder (Alnus rubra): This tree is fast growing and can
reach up to 60 to 100 feet tall. It is a deciduous tree, usually
single stemmed and forms pure stands or intermixes with
Westem Red Cedar and Westem Hemlock. Red alder is
intolerant of shade and will grow in nitrogen-deficient soils due
to its ability to fix atmospheric nitrogen. This tree provides food
for grouse, pine siskin, black-capped chickadee, kinglet and
beaver and is a common nest tree for great blue heron
(Department of Ecology 1993). It tends to grow in moist woods,
sheambanks, floodplains, slide tracks, and recently cleared land
and is often found in pure stands and at low elevations (Pojar and
MacKinnon 1994).
Western Red Cedar (Thuja plicata): This is a sweet-smelling,
coniferous evergreen tree that likes moist soil but can also
survive in drier habitats. It grows slowly, but can grow to heights
of between 60 and 200 feet. As it grows, its crown becomes
open and its lower branches droop. Clusters of small brown
cones grow at the ends of the branches (Thurston County
Conservation District 2005). Instead of needle leaves, it has tiny
scales set snugly on the branches and it is resistant to rot and
fungus (Pojar and MacKinnion et al. 1994). It provides
protective and nesting cover for wildlife and also provides twigs
and foliage for browsers. Its bluish-black, berry-like fruit is
important to many large and small birds and mammals (Martin et
al. 1961).
Sxnues
Evergreen Huckleberry (Vaccinium ovatum): This plant has
glossy, dark green leaves on many erect, hairy branches which start
at the base of the plant. It produces purplish-black fruits. New
shoots are bronzy red, and mature foliage is often reddish purple
(Thurston County Conservation District 2005). It is found in the
understory of coniferous forests (especially edges and openings) at
low elevations. It also prefers shade and grows in moist to dry sites
(Pojar and MacKinnon 1994).
File No. I 2677-001-06
August 21,2008
Page D-2 GeoEneneeeslQ
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Pacific Ninebark (Physocarpus capitatus): Pacific ninebark is a
deciduous shrub that grows to about 15 feet tall. It typically grows in
moist but well-drained soils along streams, in full sun to part shade
(Department of Ecology 1993). It also grows in wet, somewhat open
spaces (streamside thickets, edges of moist woods, coastal marshes,
meadows, margins of lakes and streams) and occasionally on drier, shrubby
sites (Pojar and MacKinnon 1994). The twigs and greenery provide
browse for girds and wildlife.
Salil (Gaultheria shallon): This plant is a robust, evergreen
shrub which often forms dense thickets. It has lustrous, dark
green leaves, showy pink flower clusters, and purplish-black
berries that are eaten by birds, rodents and people. Salal can be
damaged by the strawberry root weevil (Thurston County
Conservation District 2005). It occurs in the understory of
coniferous forests and rocky bluffs and is found in low to
medium elevations. It likes partial shade to deep shade and is
found in moist to dry sites (Pojar and MacKinnon 1994).
Salmonberry (Rubus spectabilis): This shrub can grow 3 to
l0 feet high and has shredding, light- or golden-brown bark.
It has woody sparsely thorned stems; and zigzag twigs.
Flowers are large (about I % inches across), borne singly,
and are pink to dark or purplish-red. Large raspberry-like
fruits appear in late spring, ripening over a fairly long period
to become yellow to red or deep purple (United States Army
Corps of Engineers 2005). Salmonberry grows in moist to
wet places, often abundant along stream edges, avalanche
tracks and in wet logged areas. It prefers full sun to fulI
shade (Pojar and MacKinnon 1994).
File No. 12677-001-06
August 21,2008
Page D-3 GeoErcn*nsiQ
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Vine Maple (Acer circinatum): This shrub can grow up to 20 feet
tall and has sprawling branches that often form thickets and
colonies. The leaves are green during the summer but during the
fall they turn either golden in the shade or bright red in full sun. It
has white flowers that form in clusters at the end of the shoots and
winged fruits that turn red or brown. This plant grows in moist to
wet places and prefers partial to deep shade which typically occurs
under tree canopies (Pojar and MacKinnon 1994).
HeRseceous
Sword Fern (Polystichum munitum): This evergreen shrub
will typically reach 2-ll2 to 2 feet in height and 4 feet in
diameter. The leaves are narrow lance-shaped pinnately dark
green with fringed edges. Large orange spores appear on the
underside of each leaf. The roots are rhizomes (Thurston
County Conservation District 2007). Typically found in
moist forests at low to middle elevations, it is abundant and
widespread throughout the Pacific Northwest (Pojar and
Mackinnon 1994).
Slough sledge (Carex obnupta): This herbaceous plant
grows one to three feet tall and spreads by rhizomes to
form monotypic stands. It is limited to western
Washington and required wet soils to flourish. The plant
can tolerate deep shade or full sun and commonly grows in
red alder-dominated swamps in association with skunk
cabbage, water parsley and salmonberry (Department of
Ecology 1993).
File No. I 2677-001-06
August 21,2008
Page D-4 GeoExeueeaslQ
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Lady Fern (Athyrium felix-femina): Lady fern is a deciduous
perennial fern that can grow to four feet tall. It spreads by rhizomes
slowly and eventually spreads to form clusters of individual plants. It
grows in partial shade to full shade and prefers wet to moist soils
(Department of Ecology 1993). It is commonly found in moist to wet
forest, swamps, thickets, openings, slidetracks, streambanks, gullies,
meadows and clearings (Pojar and MacKinnon 1994).
Small-fruited bulrush (Scirpus microcarpu.y': This herbaceous plant
grows between two to four feet tall and is a deciduous perennial herb.
It spreads by rhizomes to form monotypic stands in saturated soils and
shallow seasonal standing water. It is commonly found along streams
and in freshwater marshes (Department of Ecology 1993). Stems
usually clustered, from a sturdy rhizome, stout, triangular, leaff, to 1.5
m tall. It grows in full sun and prefers wet to shallow water (Pojar and
(MacKinnon 1994).
File No. I 2677-00 I -06
Augast 2 1, 2008
Page D-5 GeoExetxeenslQ