HomeMy WebLinkAboutWetland Delineation 933601301Peninsula Environmental Group, Inc.
824 E. 8 th St. Suite D | Port Angeles WA 98362
360-504-3825 | www.peninsulaeg.com
WA Contractor ID: PENINEG813MC
Date :
May 25 th , 2022
Client
Tirzah Juskalian | 503-351-1966 | tirzah.juskalian@gmail.com
1240 W Sims Way # 1001 | Port Townsend, WA 98368-3058
Project Address
2423 Hastings Ave | Port Townsend, WA 98368
Jefferson County Parcel #933601301
Consultants
John Bornsworth, Senior Ecologist
Liz Donadio, Wetland and Wildlife Biologist
Kia Sutter, GIS Analyst, Biologist
Pat Loafman, Botanist
Report Compliance
Wetland Delineation and Rating
Aug 01 2022
Table of Contents
1 Executive Summary............................................................................................................................... 3
2 Background........................................................................................................................................... 4
2.1 Purpose of Project......................................................................................................................... 4
2.2 Professional Assumptions & Limitations....................................................................................... 4
2.3 Methodology................................................................................................................................. 4
3 Existing Conditions................................................................................................................................ 6
3.1 Site Properties............................................................................................................................... 6
3.2 GIS Critical Area Review................................................................................................................ 8
3.3 National Wetland Inventory Review...........................................................................................10
3.3.1 Special Characteristics - Wetland of High Conservation Value (WHCV).............................11
3.4 NRCS Soil Survey.........................................................................................................................12
3.5 Hydrologic Conditions.................................................................................................................13
3.5.1 Water Sources.....................................................................................................................13
3.5.2 Water Quality......................................................................................................................14
4 Wetland Assessment...........................................................................................................................15
4.1 Species and Habitat Review........................................................................................................15
4.2 Wetland Vegetation....................................................................................................................16
4.3 Wetland Summary......................................................................................................................17
4.3.1 Wetland A Rating and Functions.........................................................................................18
5 Regulatory Setting...............................................................................................................................19
6 Conclusions and Recommendations...................................................................................................19
7 Closing Remarks..................................................................................................................................20
7.1 Consultant Qualifications............................................................................................................21
8 General Assumptions and Limitations................................................................................................22
9 References and Resources..................................................................................................................23
Appendix A. Site Photos..............................................................................................................................25
Appendix B. Habitat Documentation..........................................................................................................28
Appendix C. Wetland Maps ........................................................................................................................36
Appendix D. Wetland A Data Forms...........................................................................................................41
D.1 Wetland A Determination Forms .....................................................................................................41
D.2 Wetland A Rating Forms...................................................................................................................47
Appendix E. Wetland Site Map...................................................................................................................58
Tables
Table 1. Summary of Wetland A................................................................................................................... 3
Table 2. Jefferson County Site Properties..................................................................................................... 6
Table 3. Protected Species Associated with Wetland A .............................................................................15
Table 4. Wetland A Plant Species Observed...............................................................................................16
Table 5. Wetland A Summary .....................................................................................................................17
Table 6. Wetland A Rating Summary..........................................................................................................18
Photos
Photo 1. Wetland A, DP-A1.........................................................................................................................17
Photo 2. Wetland A showing downed woody debris and seasonally flooded area with Spiraea douglasii
and Ranunculus repens. ..............................................................................................................................25
Photo 3. Wetland A viewed from northwest looking offsite to southeast.................................................26
Photo 4. Access to Site via private driveway off Hastings Ave...................................................................27
Figures
Figure 1. Jefferson County mapped Site....................................................................................................... 6
Figure 2. Jefferson County vicinity map with Site outlined in blue. ............................................................. 7
Figure 3. City of Port Townsend mapped wetlands with Client’s Site location outlined in orange, accessed
May 10th, 2022.............................................................................................................................................. 8
Figure 4. Jefferson County mapped critical areas with Site outlined in orange........................................... 9
Figure 5. National Wetland Inventory map with approximated Client’s Site outlined in orange..............10
Figure 6. High Conservation Value map with Site outlined in orange........................................................11
Figure 7. NRCS Soil Map for Site.................................................................................................................12
Figure 8. WETs table for the Site. ...............................................................................................................13
Figure 9. Within the subwatershed (12-digit HUC) there are no listed Category 5, 303(d) waterbodies for
impacted water for quality or Total Daily Maximum Load Projects (TMDL’s).Error! Bookmark not
defined.
Figure 10. IPaC USFWS listed T&E species within 100-meters of Wetland A.............................................28
Figure 11. No NOAA mapped T&E species within 100-meters of Wetland A.............................................33
Figure 12. WDFW Priority Habitats and Species map and list located within 100-meters of Wetland A. . 34
Wetland Maps
Wetland Map 1. Wetland A delineated and approximated boundary with location of determination plots,
test pits, and wetland boundary stakes......................................................................................................36
Wetland Map 2. Cowardin classification for Wetland A, forested with broad leaved deciduous red alder
and Scouler’s willow and needle leaved evergreen western redcedar (PFO1/4).......................................37
Wetland Map 3. Hydroperiods of Wetland A, seasonally flooded and saturated, with 150-ft pollution
buffer. .........................................................................................................................................................38
Wetland Map 4. Contributing basin of Wetland A.....................................................................................39
Wetland Map 5. Accessible habitat and land use intensity within a 1-kilometer buffer of Wetland A.....40
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1 Executive Summary
Tirzah Juskalian (“Client”) requested Peninsula Environmental, Inc (“Consultant”) to conduct a wetland
assessment at her privately owned parcel located at 2423 Hastings Ave, Port Townsend, WA, Jefferson
County Parcel no. 933601301, Brigg's Addition Blk 13 Lots 8 Thru 14 (“Site”). The Client intends to install
a septic system and eventually develop the Site with a single-family dwelling.
On February 17th, 2022, Jefferson County Wetland Specialists Donna Frostholm and Carter Erickson visited
the Site and determined that wetland occurs along the southern edge of the parcel. On March 1 st, 2022,
Jefferson County Department of Community Development (DCD) sent a letter to the Client, case
#SEP2022-00015, requesting a wetland professional identify the extent of the wetland on the property
and determine the buffer width in a wetland delineation report.
The Consultants visited the Site on May 11
th, 2022 and delineated and rated the wetland on the southern
parcel boundary (“Wetland A”). Wetland A’sattributes are summarized in Table 1, and the location of the
delineated wetland and associated buffer can be found in Appendix E.This assessment and report
(“Report”) comply with Jefferson County Code (JCC) Chapter 18.22Critical Areas and is prepared to ensure
that development does not result in unintentional impacts to critical areas and that all known impacts are
assessed.
Table 1. Summary of Wetland A
Wetland
Name
Size
Onsite1
USFWS
Classification2 Classification3 Rating
Category4
Jefferson County
Buffer Widths5
A 1,280-sf (PFO1/4) Forested Depressional IV 25 to 50-ft
1 Estimated size of wetland portion onsite in square feet (sf). These numbers are based on the Consultants GPS points taken
with sub-meter accuracy, not survey accurate.2 US Fish and Wildlife Service (USFWS) classification is based on FDGC (2013):
3 Hydrogeomorphic classification is based on Brinson (1993).
4 Wetland category is based on the Washington State Department of Ecology (Ecology) wetland rating system 2014 (Hruby
2014). 5 Buffer widths are based on the Ecology 2014 wetland rating, characterized by land use intensit y.
Wetland A (PFO1/4) is a freshwater, depressional wetland dominated by a broad-leaved deciduous and
needle-leaved evergreen forest with an understory of deciduous scrub-shrub. The wetland occupies a
closed depression that is seasonally flooded with a saturated fringe. The wetland occurs along the
southern parcel boundary and continues offsite to the east and south spanning approximately 0.38-acres
(ac). Wetland A occupies approximately 3.75% of the 0.78-ac Site.
Wetland A is regulated under JCC 18.22 Article VII and meets all the requirements of wetland criteria.
Wetland A was rated by the Consultants as a Category IV depressional wetland subject to a 50-foot (ft)
buffer width for high land use intensity.
Development of the Site should have no impact on the assessed critical areas onsite so long as:
all development occurs outside of Wetland A and its appropriate bufferfor land use intensity; and
all development follows Low Impact Development (LID) techniques and Best Management
Practices (BMPs) for stormwater management.
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2 Background
2.1 Purpose of Project
Conduct site visit to assess and evaluate soil, hydrological conditions, and botanical conditions
related to wetland functions. Collect data in wetland and upland areas.
Delineate and rate onsite wetland.
Create site map using collected GPS data showing critical areas locations with associated buffers.
Outline findings in a comprehensive wetland report.
2.2 Professional Assumptions & Limitations
This Report summarizes the data collected during the Consultants’ site assessment, conversations
regarding the project, and the Consultants’ professional opinions and recommendations. The results and
recommendations contained in this report represent the Consultants’ professional opinions derived from
biological forensics, information provided to the Consultants, referenced material, and the Consultants’
experience. The Consultants’ recommendations are compiled using industry standards, best available-
science, and currently accepted best management practices.
Consultants visited the Site on May 11th, 2022. This Report summarizes site characteristics as
they were observed this day only.
This report is intended for the exclusive use of the Client and their agents and only for specific
application to the referenced property. This report should not be applied to any other property
for any purpose.
Further limitations may be found in General Assumptions and Limitations.
2.3 Methodology
Consultants determined wetlands by using observable vegetation, hydrology, and soils in conjunction with
data collected during the desktop review. Consultants determined wetland boundaries by using the
routine approach described in the USACE’s Wetlands Delineation Manual (Environmental Laboratory,
1987) and modified according to the guidelines established in the Regional Supplement to the Corps of
Engineers Wetland Delineation Manual: Western Mountains, Valleys, and Coast Region (Version 2.0)
(USACE, 2010).
Hydrophytic vegetation is determined based on estimates of percent aerial cover by plant species and
indicator status ratings of those plant species. Plant species were identified and given an indicator status
according to the National Wetland Plant List: Western Mountains, Valleys & Coast. U.S. Army Corps of
Engineers (NWPL, 2018 v3.4).
The wetland is characterized using the Cowardin Wetland Classification system (Cowardin 1979) and the
wetland is further characterized using the hydrogeomorphic (HGM) wetland classification system, which
emphasizes the primary geomorphic and hydrologic attributes of the wetland (Brinson 1993). To
determine the buffer size the quality of the wetland is assessed based on functions and value to society.
Consultants use the Washington State Wetland Rating System for Western Washington (Hruby 2014) to
determine wetland buffers.
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Desktop Review
Peninsula Environmental Group (PEN) staff reviewed the following sources for the Wetland Assessment:
Parcel, contour, and critical area layers were sourced from Jefferson County GeoData Center;
Soils map and hydric soil list from the United States Department of Agriculture Natural Resources
Conservation Service;
Climate data from the NRCS National Water Climate Center;
Aerial Photographs sourced from Google Earth;
Department of Ecology, Water Quality Atlas;
United States Fish and Wildlife Service (USFWS) IPac database;
National Wetlands Inventory;
National Oceanic and Atmospheric Administration (NOAA) Protected Resources database;
WDFW Priority Habitat and Species List;
Washington State Department of Natural Resources (WDNR) GIS Lidar Portal (WDNR, 2021a);
WDNR GIS Open Data; and
WDNR Natural Heritage Information Request Self-Service System data.
Consultant Maps
Field GPS points were gathered using the Juniper Geode GNS2, which can get up to sub-meter accuracy
depending on canopy cover, cloud cover, and satellite availability. Geospatial analyses were made using
ESRI ArcGIS using projected coordinate system NAD83 2011 US Feet for Washington State (North).Critical
area site maps were produced using data gathered during the site visits, data acquired from local and
state jurisdictions, and information furnished from the Client. These maps are intended to show the
relevant critical areas in relation to approximate proposed development. They should not be assumed to
be survey accurate, nor should they function as the official site plan.
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3 Existing Conditions
3.1 Site Properties
Table 2. Jefferson County Site Properties
Parcel #933601301
Property ID 24836
Address 2423 Hastings Ave, Port Townsend, WA 98368
Lot Size 0.78-ac
Legal Description Brigg's Addition Blk 13 Lots 8 Thru 14
Latitude, Longitude 48.118, -122.833 (near center of parcel)
Land Use Code 9100 – Vacant land
Existing Structures None
Zoning Description RR-5 -Rural Residential
Section, Township, Range 5, 30N, 1W, SW1/4
Elevation ~150 to 164-ft
Figure 1. Jefferson County mapped Site with Site outlined in blue.
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Figure 2. Jefferson County vicinity map.
PROJECT SITE
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3.2 GIS Critical Area Review
The City of Port Townsend does not map wetlands on the Site; however, after a site visit on February
17th, 2022 by Wetland Specialist, Donna Frostholm and Carter Erickson, Jefferson County determined
wetland to be present onsite.
Figure 3. City of Port Townsend mapped wetlands with Site location outlined in orange, accessed May
10th, 2022.
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Jefferson County does not show mapped marbled murrelet or spotted owl locations. The Site is located
within a Critical Aquifer Recharge Area.
Figure 4. Jefferson County mapped critical areas with Site outlined in orange.
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3.3 National Wetland Inventory Review
NWI maps were created using interpretation of aerial photographs at various scales. Wetlands were
identified on the photographs based on vegetation, visible hydrology, and geography. The aerial
photographs typically reflected conditions during a specific year and season when they were taken. Some
small wetlands and those obscured by dense forest cover may not be included on the map, and there is a
margin of error inherent in the use of aerial photographs.
1) NWI map did not record wetlands within the Site.
2) The NWI maps wetlands to the northwest and south on the Site.
3) Strangers lake is mapped as a 2-ac freshwater emergent wetland contiguous with a freshwater
pond and a riverine habitat.
4) A 0.34-ac forested/shrub wetland is mapped to the northwest.
Figure 5. National Wetland Inventory map with approximated Site outlined in orange.
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3.3.1 Special Characteristics - Wetland of High Conservation Value (WHCV)
WHCV, designated in the Washington Wetland Rating System (Hruby 2014), refers to any wetland that
supports a rare species population or a stand of a rare or high-quality plant association recognized by
WNHP. A WHCV may be designated based on the presence of a rare plant, a rare or high-quality common
plant community, or both (Roccio 2015). There are no rare plants or WHCV associations on the Site or
Wetland Site (Wetland A location outlined in orange). No rare plants were identified during the site visit.
Figure 6. High Conservation Value map with Site outlined in orange.
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3.4 NRCS Soil Survey
A generalized view of the soils present on the property can be found through the NRCS Web Soil Survey.
The NRCS shows two soil types onsite:
CfC-Cassolary sandy loam, 0 to 15% slopes (~77% of Site on eastern portion)
Parent material:Glacial drift and marine deposits. Landform: Terraces. Depth to restrictive
feature:More than 80-inches. Drainage class: Well drained. Depth to water table:About 20 to 32-
inches, and not frequently ponded or flooded. Available water capacity:Moderate. Hydric soil
rating: No. Typical profile: H1 - 0 to 3 inches: sandy loam, H2 - 3 to 23 inches: sandy loam, H3 - 23
to 49 inches: stratified fine sandy loam to silty clay loam, H4 - 49 to 60 inches: sand.
CmC-Clallam gravelly sandy loam, 0 to 15% slopes (~23% of Site on western portion)
Parent material:Basal till. Depth to restrictive feature:20 to 40-inches to densic material.
Drainage class: Well drained. Depth to water table:About 19 to 39-inches, and not frequently
ponded or flooded. Available water capacity:Very low. Hydric soil rating: No. Typical profile: H1 -
0 to 3 inches: gravelly sandy loam, H2 - 3 to 23 inches: very gravelly sandy loam, H3 - 23 to 60
inches: gravelly sandy loam.
Figure 7. NRCS Soil Map for Site.
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3.5 Hydrologic Conditions
Based off the past 30 years of precipitation data for the closest long-term data set station, Chimacum 4S,
WA WETS Station, January and February were within normal range, inconclusive data for March, and April
was above average. The hydrologic indicators represent above normal for this time of year.
Figure 8. WETs table for the Site.
3.5.1 Water Sources
The contributing basin was delineated topographically by the Consultants using 2019 lidar data from the
Department of Natural Resources, and 5-ft contour data from Jefferson County (Wetland Map 4).
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3.5.2 Water Quality
Figure 9. Within the subwatershed (12-digit HUC) there are no listed Category 5, 303(d) waterbodies for
impacted water for quality or Total Daily Maximum Load Projects (TMDL’s).
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4 Wetland Assessment
4.1 Species and Habitat Review
Threatened and endangered species (T&E) are protected under the Federal Endangered Species Act (ESA)
of 1973 by the U.S. Fish and Wildlife Service. The ESA legally defines Critical Habitat as ‘specific geographic
areas that contain features that are essential to the conservation of an endangered or threatened species
and that may require special management and protection’ (ESA 1973). Jefferson County dictates
regulation of important habitats and species in accordance with both ESA listings and Washington State
listed species and associated habitats. A species and habitat list within a 100-meters of Wetland A was
reviewed. See Appendix B for supporting documentation.
USFWS IpaC database, although there are no designated critical habitats, there are potential
occurrences of eight listed species (Figure 10). NOAA fisheries Protected Resources database lists
no critical habitat (Figure 11). WDFW PHS maps the offsite wetland to the southeast on Strangers
Lake and waterfowl concentrations surrounding the lake (Figure 12). WDNR Natural Heritage
Program – WA Wetlands of High Conservation Value map no locations of unique and high value
wetlands and plant species at risk within project vicinity (Figure 6).
Table 3. Protected Species Associated with Wetland A
Species Status Data
Source
Designated
Critical Habitat
Primary Constituent
Elements2
INVERTEBRATES
Monarch butterfly
(Danaus plexippus)
State: SGCN1
Federal: Candidate USFWS NO NO
Taylor’s checkerspot
(Euphydryas Editha taylori)
State: Endangered
Federal: Endangered USFWS NO NO
FISH
Bull trout
(Salvelinus confluentus)
State: Candidate
Federal: Threatened USFWS NO NO
Dolly varden
(Salvelinus malma)
Similarity of appearance
(threatened)USFWS NO NO
BIRDS
Marbled murrelet
(Brachyramphus marmoratus)
State: Endangered
Federal: Threatened USFWS NO NO
Streak horned lark
Eremophila alpestris strigata
State: Endangered
Federal: Threatened USFWS NO NO
Yellow-billed cuckoo
Coccyzus americanus
State: Endangered
Federal: Threatened USFWS NO NO
PLANTS
Golden paintbrush
(Castilleja levisecta)
State: Endangered
Federal: Threatened USFWS NO NO
1 Species of Greatest Conservation Need (SGCN)
2 Specific physical or biological elements that provide for a species’ life-history processes.
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4.2 Wetland Vegetation
In total, a moderate diversity of predominantly native plants were observed within Wetland A.
Table 4. Wetland A Plant Species Observed
Common Name Scientific Name Relative
Abundance
Nativity/
Weed Class Indicator Status
Upper Strata: Trees
Douglas-fir Pseudotsuga menziesii Low Native FACU
Grand fir Abies grandis Low Native FACU
Red alder Alnus rubra Moderate Native FAC
Scouler’s willow Salix scouleriana Moderate Native FAC
Western redcedar Thuja plicata Low Native FAC
Middle Strata: Small Trees and Shrubs
Coastal black gooseberry Ribes divaricatum Low Native FAC
Common snowberry Symphoricarpos albus Moderate Native FACU
Nootka rose Rosa nutkana Low Native FAC
Pacific crabapple Malus fusca Low Native FACW
Salal Gaultheria shallon High Native FACU
Salmonberry Rubus spectabilis Moderate Native FAC
Spiraea Spiraea douglasii High Native FACW
Lower Stata: Forbs, Grass and Sedges
Creeping buttercup Ranunculus repens Moderate Introduced FAC
Giant horsetail Equisetum telmateia Low Native FACW
Pacific waterleaf Hydrophyllum tenuipes Low Native FAC
Stinging nettle Utica dioica Low Native FAC
Western swordfern Polystichum munitum Low Native FACU
Wild lily-of-the-valley Maianthemum dilatatum Low Native FAC
1 Weed class sourced from Washington State Noxious Weed Control Board.
2 Wetland Indicator Status-Obligate wetland (OBL)
Occurs almost always under natural wetland conditions, rarely in uplands Facultative Wetland (FACW) Usually occurs in wetlands,
but occasionally found in uplands. Facultative (FAC) Equally likely to occur in wetlands or uplands. Facultative Upland (FACU)
Usually occurs in uplands, but occasionally found on wetlands. Upland (UPL) Rarely found in wetlands, almost always in uplands.
No indicator (NI) Insufficient information was available to determine an indicator status.
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4.3 Wetland Summary
Table 5. Wetland A Summary
Location Southern Site boundary located mostly offsite to east and south. Encompasses
approximately 3.75% of Site.
Jefferson County
Buffer Width
Low Impact: 25-ft
Moderate Impact: 40-ft
High Impact:50-ft
Photo 1. Wetland A, DP-A1.
Wetland Rating Category IV
Cowardin
Classification
PFO1/4 - Palustrine Forested,
Broad-leaved deciduous and
needle leaved evergreen
(Wetland Map 3)
Classification Depressional
~Size onsite 1,280-sf (0.029-ac)
~Size on and offsite 16,550-sf (0.38-ac)
Inlets: Surface flow, precipitation, groundwater.
Outlets:Ground infiltration, evapotranspiration, evaporation.
Hydroperiods: Saturated (B), seasonally flooded (C) (Wetland Map 4)
DETERMINATION PLOTS
Vegetation:Hydrophytic by dominance test.
Upper canopy dominated by red alder and Scouler’s willow with an understory of spiraea, salmonberry,
creeping buttercup, and pacific waterleaf with patches of bare ground.
Soils: Hydrogen sulfide (A4), and loamy gleied matrix (F2)
The upper soil layers evaluated had an aquic soil moisture regime with a silt loam or sandy loam texture.
Soil type CfC - Cassolary sandy loam, 0 to 15 percent slopes.The mineral soil color was black (10YR 2/1).
Gley (N 5/) was observed at DP-A1 and within test pits with redox concentrations in the matrix (7.5YR
4/6 and 7.5YR 5/6).
Hydrology:Surface water (A1), high water table (A2), saturation (A3), hydrogen sulfide odor (C1),
geomorphic position (D2), and saturation visible on aerial imagery (C9).
Within DP-A1 soils were saturated at surface with a high water table at 6-inches and hydrogen sulfide
odor at ~4-in depth. Upland and upland test pits had no indication of hydrology. Pits were left open for
a minimum of 2-hours.
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4.3.1 Wetland A Rating and Functions
Wetland A was rated as a Category IV wetland. See D.2 Wetland A Rating Forms for details.
Table 6. Wetland A Rating Summary
Function Improving
Water Quality Hydrologic Habitat
Site Potential Moderate Moderate Low
Landscape Potential Moderate Moderate High
Value Low Low Low Total Category
Score Based on Ratings 5 5 5 15 IV
Water Quality Functions
Wetland A has a moderate potential for improving water quality at the site and landscape level and a low
societal potential. At the Site level, the depressional wetland has no outlet, greater than half of the
wetland contains persistent, ungrazed plants, and the area seasonally ponded is greater than a quarter of
the total wetland (Wetland Map 3). Wetland A has a moderate potential at the landscape level to remove
excess pollutants it receives from neighboring septic systems and other pollutant generating sources
within the vicinity. The wetland does not directly discharge to a waterbody listed as a 303 (d), nor are
there TMDL projects listed within the subwatershed (Figure 8).
Hydrologic Functions
Wetland A provides moderate hydrologic functions at the site and landscape level despite its relatively
small area within the contributing basin (Wetland Map 4). Becausethe wetland has some depth of storage
and no outlet the unit has moderate potential to receive and store some water locally and filter excess
runoff and pollutants it receives. The wetland is in a landscape that has no indication of flooding problems
and has a low hydrologic value to support society.
Habitat Functions
Wetland A scored low for habitat site and societal potential, and high for landscape potential. At the time
of the visit, the wetland had two plant community classes and two prominent hydroperiods (Wetland
Map 2, Wetland Map 3). The wetland contains a moderate diversity of native plant species (Table 4) and
non-native and noxious weeds cover less than 25% of the area. The wetland contains downed woody
debris and at least a quarter acre of thin-stemmed persistent plants and woody branches within the
seasonally inundated areas for amphibian habitat. Wetland A scored high at the landscape level due to
the relatively low level of development and landscape fragmentation in the surrounding area (Wetland
Map 5).
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5 Regulatory Setting
Wetland A is a federally regulated wetland as it meets the criteria set forth by the U.S. Army Corps of
Engineers (USACE), Washington State Department of Ecology (WSDOE), and Washington Administrative
Code (WAC). This designation provides certain protections to wetlands and their buffers from impacts
caused by nearby activities. Any impacts or proposed impacts must be mitigated to ensure that there is
no net loss of wetland functions. This is achieved through a mix of local, state, and federal regulations.
Locally Wetland A is regulated under JCC 18.22 and meets the requirements of wetland criteria.
The standard buffer width shall be based on a combination wetland category, habitat function
score (from the wetland rating form), and land use intensity as per JCC Table 18.22.730(1)(a).
Wetland buffers shall be measured horizontally from a perpendicular line established by the
wetland boundary based on the base buffer width identified in Table 18.22.730(1)(a).
Buffers shall not include areas that are functionally and effectively disconnected from the wetland
by an existing, legally established road or another substantial developed surface.
Wetland A was rated as a Category IV depressional wetland and is subject to:
25-ft buffer for low impact
40-ft buffer for moderate impact
50-ft buffer for high impact
6 Conclusions and Recommendations
The Consultants conclude:
1) Wetland A was delineated onsite on May 11
th, 2022, and offsite wetland boundaries were
estimated using best available science.
2) Wetland A is a depressional Category IV forested wetland subject to 25 to 50-ft buffer widths
depending on land use intensity.
3) The proposed septic installation falls under high intensity land use and as such is subject to a 50-
ft buffer for Wetland A.
Development of the Site should have no impact on the assessed critical areas onsite so long as:
4) all development occurs outside of Wetland A and its 50-ft buffer; and
5) all development follows Low Impact Development (LID) techniques and Best Management
Practices (BMPs) for stormwater management.
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7 Closing Remarks
This Report and the related work were performed and prepared in accordance with generally accepted
professional practices for the nature and conditions of work completed in the same or similar localities,
at the time the work was performed. No warranty, expressed or implied, is made. Neither the Consultants,
nor Peninsula Environmental Group, Inc., has any current or prospective interest in the plants or
properties discussed. Acceptance of this Report acknowledges receipt and agreement with Peninsula
Environmental Groups, Inc. attached Assumptions & Limiting Conditions.
Thank you for the opportunity to assist you with your project. We appreciate your business and look
forward to working with you in the future. If you have questions now or in the future, please do not
hesitate to contact us.
Peninsula Environmental Group, Inc.
824 E. 8th Street, Suite D
Port Angeles, WA 98362
Contractor License: PENINEG813MC
Port Angeles | Olympia | Petoskey
Community Specific, Resource Specific Planning
A little about our company:
Peninsula Environmental Group, Inc. is a leading environmental and natural resource management firm
in the Pacific Northwest, providing expert, collaborative, forward-thinking consulting, stewardship and
support services. Our arborists, biologists, urban foresters, ecologists and planners together evaluate,
analyze and interpret the natural world within our communities, urban areas, and wildlands. Our solutions
provide clients with advanced, yet accessible, science-based resource management. We are proud to
provide innovative solutions to a variety of landowners and land managers, individual homeowners, local
public agencies, tribes, the development industry and the federal government.
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7.1 Consultant Qualifications
John Bornsworth | Senior Ecologist | john@peninsulaeg.com
John Bornsworth is the senior ecologist, project manager and general contractor with
Peninsula Environmental. John is a Board-Certified Master Arborist & Registered
Consulting Arborist with over 17 years of resource management experience specifically
managing trees, vegetation and water in Washington shorelines and other critical areas.
John is trained on shoreline restoration and construction, USACOE 1987 Wetland
Delineation Manual, Western WA 2014 Wetland Rating System, WA Ecology’s coastal permitting, and
other relevant topics. John provides project management, general contractor services and technical
assistance to shoreline, steep slope, wetland and riparian construction and restoration, and stormwater
management and commonly provides expert testimony on related matters. John sits on the Washington
State Department of Natural Resource’s Washington Community Forestry Council as an executive advisor
of commercial arboriculture.
Liz Donadio | Wetland (WPIT) & Wildlife Biologist | liz@peninsulaeg.com
Liz Donadio is a wetland and wildife biologist with Peninsula Environmental. She has
consulted on aquatic resources throughout western Washington since 2015. Liz has
graduate level education in wetland and soil sciences and is trained through the
Washington Department of Ecology to assess hydrogeomorphic classifications and
provide wetland ratings. Liz is trained to on the USACOE 1987 Delination Manual. Liz is
certified as a Wetland Professioanl in Training by the Socity of Wetland Scientsist and is a Certified Erosion
and Sediment Control Lead (CESCL). In 2005, Liz obtained a Bachelor of Science in Wildlife Management
and Conservation from Humboldt State University. For 20 years Liz has worked on numerous resource
projects throughout the United States, including wetland delineating and rating, mitigation planning and
monitoring, critical area assessments, bird, mammal, fish, amphibian and reptile surveying and
monitoring, marine and riverine restoration.
Kia Sutter | GIS Analyst & Biologist | kia@peninsualeg.com
Kia Sutter is a biologist and GIS analyst with Peninsula Environmental. Kia obtained her Bachelor of
Science from the University of Washington in Biology and Conservation, as well as a certificate in GIS
from the UW. Kia is trained to conduct wetland ratings through the Washington Department of Ecology,
and has training on the USACOE 1987 Wetland Delineation manual. She is certified in Electrofishing
through Smith-Root. Her experience includes wetland delineations and ratings, critical areas
assessments, timber management plans and geospatial analysis and mapping.
Pat Loafman | Botanist & Biologist | pat@peninsualeg.com
Patrick Loafman has been conducting research on wildlife and plants for over 33 years. His expertise is in
botany, herpetology and spotted owls. For the past 15 years, he has been conducting inventory and
monitoring research on plants of the Olympic, Lewis and Clark, Mount Rainier and North Cascades
National Parks. He wrote "The Flora of Washington's Coast Range," a book describing the 1,975 plant
species of the area, complete with photographs and key. From his research, he has contributed nearly 400
photographs to the Burke Museum to document rare plants and range expansions of numerous species.
Pat facilitates rare plant surveys and complicated wetland and shoreline assessments.
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8 General Assumptions and Limitations
1. Any legal description provided to Consultant is assumed to be correct. Any titles and ownerships to any property are
assumed to be good and marketable. Consultant assumes no responsibly for verification of ownership or locations of
property lines, or for results of any actions or recommendations based on inaccurate information. It is assumed that any
property is not in violation of any applicable codes, ordinances, statutes, or other governmental regulations, unless explicitly
stated otherwise.
2. Consultant assumes no responsibilities for legal matters in character. Consultant assumes all property appraised or evaluated
is free and clear and is under responsible ownership and competent management.
3. Any evaluation or assessment carried out was restricted to the property and the plants or landscapes within the Scope of
Assignment. No assessment of any other plants or landscapes has been undertaken by Consultant. The conclusions of this
report do not apply to any zones, landscapes, trees, plants, or any other property not explicitly covered in the Scope of
Assignment.
4. The total monetary amount of all claims or causes of action the Client may have as against Consultant, including but not
limited to claims for negligence, negligent misrepresentation, and breach of contract, shall be strictly limited to solely the
total amount of fees paid by the Client to Consultant pursuant to the Agreement for Services as dated for which this
Assignment was carried out. Further, under no circumstance may any claims be initiated or commenced by the Client against
Consultant. or any of its directors, officers, employees, contractors, agents, or Assessors, in contract or in tort, more than 12
months after the date of this Assignment.
5. Although Consultant has taken care to obtain all information from reliable sources and to verify the data insofar as possible,
Consultant does not guarantee and is not responsible for the accuracy of information provided by others
6. Consultant shall not be required to testify or attend court due to any report unless mutually satisfactory contractual
arrangements are made, including payment of an additional fee for such Services as described in a Consulting Arborist
Agreement.
7. Unless otherwise required by law, possession of this report or a copy thereof does not imply right of publication or use for
any purpose by any other than the parties to whom it is addressed, without the prior expressed written or verbal consent
of the Consultant.
8. Neither all or any part of the contents of this report, nor copy thereof, shall be conveyed to anyone, including the client, to
the public through advertising, public relations, news, sales, or other media, without prior expressed written consent of
Consultant. Particularly as to value conclusions, identify of Consultant., or any reference to any professional society or to
any initialed designation conferred upon Consultant as stated in its qualifications.
9. This report and any values expressed herein represent the opinion of the Consultant, and the Consultant’s fee is in no way
contingent upon the reporting of a specific value, a stipulated result, the occurrence of a subsequent event or upon any
finding to be reported.
10. All photographs included in this report were taken by Consultant during the documented site visit, unless otherwise noted.
11. Sketches, drawings, and photographs in this report, being intended as visual aids, are not necessarily to scale and should not
be construed as engineering or architectural reports or surveys. The reproduction of any information generated by
architects, engineers or other Consultants and any sketches, drawings or photographs is for the express purpose of
coordination and ease of reference only. Inclusion of such information on any drawings or other documents does not
constitute a representation by Consultant as to the sufficiency or accuracy of the information.
12. Unless otherwise agreed, (1) information contained in this report covers only the items examined and reflects the condition
of those items at the time of inspection; and (2) the inspection is limited to visual examination of accessible items without
dissection, excavation, probing, climbing, or coring. Consultant makes no warranty or guarantee, express or implied, that
the problems or deficiencies of the plans or property in question may not arise in the future.
13. This report is based on the condition of the trees, landscape, or plants at the time of inspection.
14. Loss or alteration of any part of this report invalidates the entire report. This report is only valid if reproduced from a digital
file.
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9 References and Resources
WETLAND DELINEATION
USACE 1987 Wetland
Delineation Manual
Environmental Laboratory. 1987. Corps of Engineers Wetlands Delineation Manual.
Technical Report Y-87-1, US Army Engineer Waterways Experiment Station, Vicksburg,
Mississippi.http://el.erdc.usace.army.mil/e lpubs/pdf/wlman87.pdf
Western Mountains,
Valleys, and Coast
Region Regional
Supplement
U.S. Army Corps of Engineers. 2010. Regional Supplement to the Corps of Engineers
Wetland Delineation Manual: Western Mountains, Valleys, and Coast Region (Version
2.0), ed. J. S. Wakeley, R. W. Lichvar, and C. V. Noble. ERDC/EL TR-10-3. Vicksburg, MS:
U.S. Army Engineer Research and Development Center.
http://www.usace.army.mil/CECW/Documents/cecwo/reg/west_mt_finalsupp.pdf
Washington
Department of
Fish and Wildlife
National Wetland Inventory (NWI). 2021. Wetland Mapper. U.S. Fish and Wildlife
Service. https://www.fws.gov/wetlands/data/Mapper.html
WETLAND CLASSIFICATION
USFWS / Cowardin
Classification
System
Cowardin, L.M., V. Carter, F.C. Golet, and E.T. LaRoe. (1979). Classification of wetlands
and deepwater habitats of the United States, U.S. Department of Interior, Fish and
Wildlife Service, Washington, DC. 131 pp.
http://www.fws.gov/nwi/Pubs_Reports/Class_Manual/class_titlepg.htm
Hydrogeomorphic
Classification
(HGM) System
Brinson, M.M. (1993). A hydrogeomorphic classification for wetlands, Technical Report
WRP–DE–4, U.S. Army Corps of Engineers Engineer Waterways Experiment Station,
Vicksburg, MS.http://el.erdc.usace.army.mil/wetlands/pdfs/wrpde4.pdf
WETLAND RATING
Washington State
Wetland Rating
System
Hruby. 2014 Update. Washington State wetland rating system for western Washington
–Revised. Publication #14-06-029.
https://fortress.wa.gov/ecy/publications/SummaryPages/1406029.html
Natural Heritage
Classification/
Wetlands of High
Conservation Value
Roccio, Joseph F., Crawford, Rex C. and Rebecca Niggemann. (2015) Wetland Ecosystem
Conservation Priorities for Washington State. An Update of Natural Heritage
Classification, Inventory, and Prioritization of Wetlands of High Conservation Value.
Washington Natural Heritage Program Report Number: 2015-05.
https://www.dnr.wa.gov/publications/amp_nh_wetland_priorities2015.pdf
SOILS DATA
NRCS Soil Survey U.S.D.A. Natural Resource Conservation Service (NRCS). 2017. WA635 Kitsap County
Area. https://websoilsurvey.sc.egov.usda.gov/App/HomePage.htm
U.S.D.A. Natural Resource Conservation Service (NRCS). 2014. Washington Hydric Soils
List.http://www.nrcs.usda.gov/wps/portal/nrcs/main/soils/use/hydric
Munsell Munsell Color, Firm. (2010) Munsell Soil Color Charts: with Genuine Munsell Color
Chips. Grand Rapids, MI :Munsell Color.
VEGETATION
Wetland Plant List US Army Corps of Engineers 2018 NWPL v3.4 – Species Detail Tool. https://wetland-
plants.sec.usace.army.mil/nwpl_static/v34/species/species.html
Noxious Weeds Washington State Noxious Weed Control Board. https://www.nwcb.wa.gov/identify-a-
noxious-weed
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HYDROLOGY and CLIMATE
Department of
Ecology (DOE)
Washington State Water Quality Atlas. DOE Washington.
https://apps.ecology.wa.gov/waterqualityatlas/wqa/map
Natural Resources
Conservation Science
(NRCS)
NRCS. National Water and Climate Center. United States Department of Agriculture,
USA http://agacis.rcc-acis.org/
How to Read a Topographic Map and Delineate a Watershed.
http://www.nycswcd.net/files/NRCS%20Reading%20Topo%20Maps%20to%20Delieate
%20Watersheds1.pdf.
THREATENED AND ENDANGERED SPECIES
Washington
Priority Habitats
and Species
US Fish and Wildlife Service. IPaC-Information for Planning and Consultation.
https://ecos.fws.gov/ipac/location/index
Washington Department of Fish and Wildlife. Priority Habitats and Species. WDFW,
Washington State. https://geodataservices.wdfw.wa.gov/hp/phs/
Washington Department of Fish and Wildlife. Threatened and Endangered Species.
WDFW, Washington State. https://wdfw.wa.gov/species-habitats/at-risk/listed
NOAA NOAA Protected Resources App.
https://www.webapps.nwfsc.noaa.gov/portal/apps/webappviewer/index.html?id=7514
c715b8594944a6e468dd25aaacc9
JURISDICTIONAL INFORMATION
Jefferson County (JC) JC Maps. Jefferson County, Washington.
https://jeffcowa.maps.arcgis.com/home/index.html
JC Code. Municode. https://co.jefferson.wa.us/502/Jefferson-County-Code
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Appendix A. Site Photos
Photo 2. Wetland A showing downed woody debris and seasonally flooded area with Spiraea douglasii
and Ranunculus repens.
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Photo 3. Wetland A viewed from northwest looking offsite to southeast.
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Photo 4. Access to Site via private driveway off Hastings Ave.
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Appendix B. Habitat Documentation
Figure 10. IPaC USFWS listed T&E species within 100-meters of Wetland A.
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Figure 11. No NOAA mapped T&E species within 100-meters of Wetland A.
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Figure 12. WDFW Priority Habitats and Species map and list located within 100-meters of Wetland A.
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Appendix C. Wetland Maps
Wetland Map 1. Wetland A delineated and approximated boundary with location of determination
plots, test pits, and wetland boundary stakes.
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Wetland Map 2. Cowardin classification for Wetland A, forested with broad leaved deciduous red alder
and Scouler’s willow and needle leaved evergreen western redcedar (PFO1/4).
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Wetland Map 3. Hydroperiods of Wetland A, seasonally flooded and saturated, with 150-ft pollution
buffer.
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Wetland Map 4. Contributing basin of Wetland A.
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Wetland Map 5. Accessible habitat and land use intensity within a 1-kilometer buffer of Wetland A.
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Appendix D. Wetland A Data Forms
D.1 Wetland A Determination Forms
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D.2 Wetland A Rating Forms
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Appendix E. Wetland Site Map
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Map on following page.