HomeMy WebLinkAboutHabitat Assessment Parcel 932 200 801
Beckett Point Fisherman’s Club
Parking Lot Project
Habitat Assessment
April 7th, 2017
For:
Beckett Point Fisherman’s Club
c/o Jean Camfield
P.O. Box 1657
Port Townsend WA 98368
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MS&A Beckett Point Fisherman’s Club Parking Lot Project• 2
Table of Contents
1. INTRODUCTION ................................................................................... 4
2. PROJECT INFORMATION ................................................................... 4
A. Applicant Information ....................................................................... 4
B. Project Location ................................................................................ 4
C. Project Description ............................................................................ 4
D. Action Area ....................................................................................... 4
3. HABITAT AND SPECIES INFORMATION ..................................... 4-7
4. EFFECTS ANALYSIS OF THE PROPOSED PROJECT ...................... 7
A. Direct Effects .................................................................................... 7
B. Indirect Effects .................................................................................. 8
C. Interrelated/Interdependent Effects ................................................... 8
D. Take Analysis.................................................................................... 8
E. Determination of Effects ................................................................... 8
F. No Net Loss Analysis ........................................................................ 8
5. Protective Measures ................................................................................. 9
REFERENCES .......................................................................................... 10
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FIGURES ....................................................................................................... 11-30
1. Project Location ........................................................................................ 11
2. Plat Map .................................................................................................... 12
3. Site Plan .................................................................................................... 13
4. Satellite Picture of the Project Area .......................................................... 14
5. Aerial Photo of the Project Area ............................................................... 14
6. Site Photo: Looking East from Proposed Parking Area ............................ 15
7. Site Photo: Looking West from Proposed Parking Area........................... 15
8. Site Picture: Looking South from Proposed Parking Area ....................... 16
9. Site Picture: Looking South from Proposed Parking Area ....................... 16
10. Site Picture: Looking South at Site from across the street ...................... 17
11. Site Picture: Edge of wetland to the South of Proposed Parking Area ... 17
12. Site Picture: Edge of wetland to the South of Proposed Parking Area ... 18
13. Site Picture: Site Vegetation ................................................................... 18
14. Site Picture: Site Vegetation ................................................................... 19
15. Site Picture: Site Vegetation ................................................................... 20
16. Site Picture: Site Vegetation ................................................................... 20
17. WDFW Priority Species and Habitats Map ............................................ 21
18. WDFW Priority Species and Habitats List ............................................. 22
19. WDOE Coastal Atlas Map of Wetlands.................................................. 23
20. WDOE Coastal Atlas Map of Aquatic Vegetation ................................. 23
21. WDOE Coastal Atlas Map of Slope Stability ......................................... 24
22. WDOE Coastal Atlas Map of Drift Cells ................................................ 24
23. NOAA ERMA Wetland Map .................................................................. 25
24. NOAA ERMA Rockfish Critical Habitat Map ....................................... 25
25. NOAA ERMA Chinook Critical Habitat Map ........................................ 26
26. NOAA ERMA Hood Canal Summer-run Chum Critical Habitat Map .. 26
27. NOAA ERMA Southern Resident Killer Whale Critical Habitat Map .. 27
28. NOAA ERMA Forage Fish Spawning Map ........................................... 27
29. NOAA ERMA Shellfish/Invertebrate Spawning Map ............................ 28
30. Jefferson County Slope Stability Map .................................................... 28
31. Jefferson County FEMA Flood Map ...................................................... 29
32. Jefferson County Wetland Map .............................................................. 29
33. Jefferson County Landslide Hazard Map ................................................ 30
ATTACHMENTS
1. Mitigation Planting and Monitoring Plan ............................................ 31-36
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Beckett Point Fisherman’s Club Parking Project
1. INTRODUCTION
The current proposal is to develop a six vehicle parking area on Beckett Point in Jefferson County, WA. The site is
located in a FEMA Frequently Flooded Area (Figure 31). In accordance with the requirements noted in the
Jefferson County Code (JCC) 18.15.15, the following Federal Emergency Management Agency (FEMA) Habitat
Assessment has been prepared for this project.
The project location is seen in Figures 1 and 2.
2. PROJECT INFORMATION
A. Applicant Information
Beckett Point Fisherman’s Club
c/o Jean Camfield
P.O. Box 1657
Port Townsend WA 98368
B. Project Location
Beckett Point Rd. Port Townsend, WA 98368
Parcel # 932200801, Jefferson County
Section 23, Township 30 N., Range 02 W.
Lat. 48°04’45.93”N, Long. 122°53’19.42”W
C. Project Description
Beckett Point Fisherman’s Club is proposing to develop six parking spots, each 9’ by 18’ alongside Beckett Point
Rd on the county right of way. A total strip measuring 54’ by 8’ (432 square feet) will be graveled and a total of 972
square feet of wetland buffer will be impacted as the proposed parking spaces are set back from the road by 8’. The
parking area will remain in grass and log wheel stops will be placed on the NE side. Eight inch raw fir logs will be
used for wheel stops, elevated on short crosspieces of the same material spaced according to the stall widths.
Approximately 36 square feet of grass will be impacted by untreated logs. Log wheel stops and gravel were chosen
for this project as they are less impactful than concrete paving and wheel stops. Impacts to the wetland buffer
(grass parking areas with log wheel stops), outside of the ROW (gravel), are expected to be minimal. The leasehold
will include a condition stating that vehicles shall not be parked in any of these spaces if fluids are leaking. Please
see Figures 2 through 5 for more information on the proposed parking area as well as satellite and aerial photos of
the project site.
D. Action Area
The action area should include the area within a ½ mile radius of the project location. This area includes noise
effects from construction activities.
3. HABITAT AND SPECIES INFORMATION
A. Habitat
One field investigation at the project site was conducted on March 3rd, 2017. The following is a description of the
habitat noted in the project area (see Figures 6 through 16 for site photos). The area is presently covered in planted
grass species for the most part with plantain sp., yarrow, vetch sp. and gumweed. The gumweed (Grindelia
integrifolia) will be impacted the most, as it is a larger perennial. It was noticed only in the lot furthest to the NE
and there were not many visible plants (consider the growing season). The parking area will remain in grass and
log wheel stops will be placed on the NE side. Again approximately 36 square feet of grass will be impacted by
untreated logs.
The east side of the parking area is located approximately 13’ from the apparent wetland boundary (toe of slope
where vegetation changes to mostly Salicornia virginica and Distichlis spicata). At slope wetland interface, dune
grass becomes more prevalent (on the slope). To the SE there is a patch of Himalyan blackberry growing on the
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slope between the right of way and apparent wetland boundary. Some sword fern and dune grass are present within
the blackberry footprint. Suggested mitigation to wetland buffer impacts, is the removal of blackberry, and
replanting with a native species. This area is approximately 500 square feet.
Note since the site visit was done in the winter, some the quantities and identities of the plants above may be
inaccurate.
Washington Department of Fish and Wildlife (WDFW) Priority Habitat and Species (PHS) mapping tool indicates
the presence of several wetland (Estuarine and Marine, Freshwater Emergent, other) types in the vicinity of the
project (Figures 17 and 18; WDFW 2017). National Oceanographic and Atmospheric Administration (NOAA)
Environmental Response Management Application (ERMA) maps (Figure 23; NOAA 2017), Washington
Department of Ecology (WDOE) Coastal Atlas maps (Figure 19; WDOE 2017), as well as Jefferson County
Critical Areas Maps (Figure 32; JeffCo 2017) also indicate the presence of these wetlands. The project footprint is
within the Freshwater Emergent Wetland buffer.
According to Washington Department of Ecology (WDOE) Coastal Atlas maps, there are patchy eelgrass beds in
the subtidal area of the shoreline (Figure 20; WDOE 2017). According to NOAA ERMA maps there is critical
habitat for Puget Sound Chinook salmon, Hood Canal Summer-run Chum salmon, Rockfish, and Southern
Resident Killer Whale critical habitat in the project vicinity area (Figures 24 to 27; NOAA 2017). However these
marine critical habitats are across the road from the project site and are not expected to be impacted. There is also
Herring spawning just offshore of the project site according to NOAA ERMA maps (Figure 28; NOAA 2017).
WDFW PHS maps also indicate the presence of a Great Blue Heron breeding area in the vicinity of the project
(Figures 17 and 18; WDFW 2017).
Both the Jefferson County Critical Areas and WDOE Coastal Atlas maps indicate that the shoreline across the
street from the project area is modified and experiences a left to right when looking at the shore from the water or a
westerly net sediment transport. Additionally, both mapping tools also indicate that the project site is within an
“Intermediate” slope stability area (Figures 21 to 22, and 30; WDOE and JeffCo 2017). According to Jefferson
County Critical Areas maps, the project site is not within any landslide areas, but is within a FEMA “Zone A”
floodplain (Figures 31 and 33; JeffCo 2017). None of these conditions are expected to be affected by the proposed
parking area.
B. Species
Both WDFW PHS and NOAA ERMA maps identifies Pandalid Shrimp, Hardshell Clam/Subtidal Hardshell Clam,
Pacific Herring, and Geoduck clam in the action area of the project site (Figures 17 to 18, and 29; WDFW and
NOAA 2017). Pacific Herring spawning was identified offshore of the project (Figure 28; NOAA 2017). None of
the species mentioned above have status on any federal or state lists. Below is a table of the Priority Habitat and
Species mapped by WDFW within 1/2 mile of the project site.
Table 1 WDFW PHS within the project footprint and within the 1/2 mile action area/ 2,640’ radius.
Species or Habitat Description Footprint Action Area
Estuarine and Marine Wetland Aquatic Habitat N Y
Freshwater Emergent Aquatic Habitat N Y
Wetland Aquatic Habitat N Y
Pandalid Shrimp Presence N Y
Hardshell Clam/
Subtidal Hardshell Clam Presence N Y
Pacific Herring Presence N Y
Geoduck clam Presence N Y
Great Blue Heron Breeding Area N Y
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Status of Federally listed species with Critical Habitat in the project action area
A range of fish, marine mammals, and bird species listed under the Endangered Species Act may occur, or may
have critical habitat, within the proposed action area. The designated critical habitat in the project footprint and in
the action area is presented below in Table 2.
Table 2. NMFS/USFWS Critical Habitat Query Results
NMFS/USFWS Critical Habitat Project
Footprint Action Area
Chum Salmon Critical Habitat – Freshwater N N
Chinook Salmon Critical Habitat– Freshwater N N
Final Nearshore Rockfish Critical Habitat N Y
Final Deepwater Rockfish Critical Habitat N Y
Leatherback Sea Turtle Critical Habitat N N
Green Sturgeon Critical Habitat N Y
Marine Critical Habitat for Puget Sound Chinook Salmon N Y
Marine Critical Habitat for Hood Canal Summer-run Chum Salmon N Y
Southern Resident Killer Whale Critical Habitat N Y
Steelhead Trout Critical Habitat N N
Bull Trout Final Critical Habitat N N
Marbled Murrelet N N
The listing status, presence of species, and critical habitat in the project action area, and relevant life history traits
of each listed species within Puget Sound waters are presented below.
Federally Listed Species That May be Present in the Area:
In the project vicinity, there are two salmon species, Hood Canal summer-run chum (Oncorhynchus keta) and
Puget Sound chinook (Oncorhynchus tshawytscha), listed under the Endangered Species Act as threatened species
according to the National Marine Fisheries Service (NMFS)(Federal Register, Vol. 64, Nos. 56 and 57).
NMFS also listed the Puget Sound steelhead (Oncorhynchus mykiss) as a threatened species under the ESA
(Federal Register / Vol. 72, No. 91 / Friday, May 11, 2007 / Rules and Regulations).
Bull trout (Salvelinus confluentus) were listed as threatened by the United States Fish and Wildlife Service
(USFWS) in October of 1999.
On April, 23, 2009, NOAA listed the distinct population segments (DPSs) of yelloweye and canary rockfish as
threatened species under the Endangered Species Act (ESA) and proposed that the Georgia Basin DPS of bocaccio
be listed as endangered. According to NOAA (Federal Register / Vol. 75, No. 81 / April 28, 2010 / Rules and
Regulations), the area for the proposed listed rockfish includes all of Puget Sound south of Admiralty Inlet. The
Georgia Basin refers to all of Puget Sound, including the area around the San Juan Islands, and the Strait of
Georgia north to the mouth of the Campbell River in British Columbia. The western boundary of the Georgia Basin
runs from east of Port Angeles to Victoria in the Strait of Juan de Fuca.
Critical habitat was designated for these three DPSs (Federal Resister / Vol 79, No 219 / Thursday, November 13,
2014 / Final Rule). The site shoreline is in the critical habitat shoreline area for juvenile canary and bocaccio
rockfish. However, NMFS is proposing to remove canary rockfish from the federal list of threatened and
Endangered Species (07/06/2016).
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On September 2, 2005, NMFS issued the final rule designating critical habitat for 12 Evolutionarily Significant
Units (ESUs) of West Coast salmon, including the Puget Sound Chinook Salmon ESU and the Hood Canal
Summer-run Chum ESU. The project site is in the designated area for the Puget Sound Chinook and Hood Canal
Summer-run ESUs (Federal Register / Vol 70, No.170 / Friday, September 2, 2005 / Rules and Regulations).
Critical habitat has been designated for Pacific steelhead (Federal Register / February 24, 2016 / Final Rule).
On November 15, 2005 NMFS listed the Southern Resident killer whale (Orcinus orca) as endangered under ESA
(Federal Register / Vol. 70, No. 222 / November 18, 2005 / Rules and Regulations). NOAA Fisheries has
designated critical habitat for killer whales (Federal Register / Vol. 71, No. 229 / November 29, 2006 / Final
Rule). "Critical habitat includes waters deeper than 20' relative to a contiguous shoreline delimited by the line of
extreme high water." Therefore, the project site is not in an area designated as critical habitat for the Southern
Resident killer whales.
The project site is on a shoreline designated as critical habitat for Coastal-Puget Sound bull trout (Federal Register
/ Vol. 75, No. 200 / October 18, 2010 / Rules and Regulations).
Marbled murrelets (Brachyramphus marmoratus) have also been listed as threatened by the USFWS since 1992.
There is no murrelet critical habitat near the site (Federal Register / Vol. 61, No. 102/ 1996).
4. EFFECTS ANALYSIS OF PROPOSED PROJECT
The status of each of the listed species in the action area has been provided. The project has been described and the
action area defined. When reviewing all the data, the direct and indirect effects of the project on the listed species
and their critical habitat should be considered.
A. Direct Effects: When considering the direct effects of the proposed project, one must determine if the proposed
project will immediately reduce or destroy the listed species and/or their habitat. The potential direct impacts
caused by the construction process, followed by means to address them, include the following:
1. There may be siltation caused by soil erosion and runoff during construction and land preparation. Any siltation
has the potential to impact the wetlands.
Siltation in the nearshore and wetland during construction will be avoided by the implementation of the Best
Management Practices (BMP) outlined in the Stormwater Drainage, Erosion, and Sediment Control Plan submitted
for this project.
2. There will be some construction noise associated the project, which may have temporary impacts on wildlife.
Potential impacts to wildlife due to construction will be minimal. In addition, development of the proposed parking
area is removed from the nearshore, so movement of fish should not be interrupted.
3. Decreased number of native or non-native plants: The proposed parking area footprint will displace some
gumweed (Grindelia integrifolia).
This impact to habitat function will be rectified by the planting of a variety of native vegetation and removal of
non-native invasive Himalayan Black Berry in the wetland buffer adjacent the project site. See the details in
Attachment 1.
The project site is adjacent to an area identified by FEMA as a protected area. Because of this, the impacts on the
following issues need to be addressed:
a. Does the project involve the removal of native vegetation? Yes, see above.
b. Does the project include channel straightening? No.
c. Does the project result in habitat isolation? No.
d. Does the project include bank armoring? No.
e. Does the project reduce flood storage capacity? No.
f. Does the project result in degradation of water quality? No.
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g. Will there be construction effects (noise or turbidity)? Yes, see above.
h. Will there be impacts to floodplain refugia for ESA-listed fish. No impacts are expected as a result of this
project.
i. Will the project impact spawning substrate. No impacts are expected to spawning substrate.
j. Does the project impact flood volumes and flood velocities. No.
B. Indirect Effects: When considering the indirect effects of the proposed project on the listed species and their
habitat, one must determine the effects that might occur later in time, after completion of the project.
Outside of the County right of way, the project impacts are expected to be minimal. Other impacts potential
impacts by be fluid leaks from parked vehicles.The impacts caused by the increase in impervious surface area will
be avoided by the Best Management Practices (BMP) outlined in the Stormwater Drainage, Erosion, and Sediment
Control Plan submitted for this project.
C. Interrelated/Interdependent Effects: Completion of this project will not promote future construction or other
activities that would not otherwise occur without its completion. Therefore, no additional interrelated or
interdependent actions that could affect species regulated under ESA will occur because of this project.
D. Take Analysis: The ESA (Section 3) defines “take” as to “harass, harm, pursue, hunt, shoot, wound, trap,
capture, collect or attempt to engage in any such conduct.” The USFWS further defines “harm” as “significant
habitat modification or degradation that results in death or injury to listed species by significantly impairing
behavioral patterns such as breeding, feeding, or sheltering.” It is likely that no “take” will result from this project.
E. Determination of Effect:
After reviewing the appropriate data and surveys, the determination of effect is:
1. Puget Sound chinook - “May affect, not likely to adversely affect”
2. Hood Canal Summer-run Chum – “May affect, not likely to adversely affect”
3. Bocaccio, yelloweye and canary rockfish - "May effect, not likely to adversely affect"
4. Bull trout - “May affect, not likely to adversely affect”
5. Puget Sound steelhead - “May affect, not likely to adversely affect"
6. Marbled murrelet - “May affect, not likely to adversely affect"
F. No Net Loss Analysis
All measures have been taken to avoid and minimize potential impacts resulting from the proposed project. A
mitigation plan has been developed for this property to enhance the buffer and retain ecological function or values.
In consideration of the unlikely impact to ESA species as well as the proposed mitigation suggested below, we
determine that no-net-loss of ecological function will result from this project’s unavoidable. Additionally we
believe that this project reflects the goal of the Shoreline Master Program by balancing access to the environment
with the protection of that environment.
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5. Protective Measures
A. Mitigation Planting Plan
A mitigation plan involving the removal of non-native invasive Himalayan Black Berries and replanting of native
vegetation in the wetland buffer adjacent to the proposed parking area has been developed for this project. This
plan was designed to increase the amount of native plant species in the wetland buffer as well as to retain and
ensure no net-loss of ecological functions and values of the shoreline. Please find the plan and map in Attachment
1 below.
B. Siltation Management: For the development of the proposed parking area, several methods are suggested to
prevent siltation in the Washington State Department of Ecology's STORM WATER MANAGEMENT MANUAL
FOR THE PUGET SOUND BASIN, often termed "the Technical Manual" (WDOE 2012).
The following precautions for siltation prevention during construction processes are
suggested in Volume II “Construction Stormwater Pollution Prevention” in the
Stormwater Management Manual for Western Washington. These Best Management
Practices (BMPs) are as follows:
BMP C101: Preserving Natural Vegetation
BMP C102: Buffer Zones
BMP C103: High Visibility Fence
BMP C105: Stabilized Construction Entrance / Exit
BMP C106: Wheel Wash
BMP C107: Construction Road/Parking Area Stabilization
BMP C120: Temporary and Permanent Seeding
BMP C121: Mulching
BMP C122: Nets and Blankets
BMP C123: Plastic Covering
BMP C124: Sodding
BMP C125: Topsoiling / Composting
BMP C126: Polyacrylamide (PAM) for Soil Erosion Protection
BMP C130: Surface Roughening
BMP C131: Gradient Terraces
BMP C140: Dust Control
BMP C150: Materials on Hand
BMP C151: Concrete Handling
BMP C152: Sawcutting and Surfacing Pollution Prevention
BMP C153: Material Delivery, Storage and Containment
BMP C154: Concrete Washout Area
BMP C160: Certified Erosion and Sediment Control Lead
BMP C162: Scheduling
Please refer to Volume II “Construction Stormwater Pollution Prevention” in the
Stormwater Management Manual for Western Washington for BMP details.
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REFERENCES
Federal Register / Vol. 61, No. 102 / May 24, 1996 / Rules and Regulations.
Federal Register / Vol. 64, No. 56 / March 24, 1999 / Rules and Regulations.
Federal Register / Vol. 64, No. 57 / March 25, 1999 / Rules and Regulations.
Federal Register / Vol. 64, No. 210 / November 1, 1999 / Rules and Regulations.
Federal Register / Vol 70, No.170 / Friday, September 2, 2005 / Rules and Regulations.
Federal Register, Vol. 70, No. 222 / November 18, 2005 / Rules and Regulations.
Federal Register / Vol. 71, No. 229 / November 29, 2006 / Rules and Regulations.
Federal Register / Vol. 72, No. 91 / Friday, May 11, 2007 / Rules and Regulations.
Federal Register / Vol. 75, No. 81 / Wednesday, April 28, 2010 / Rules and Regulations.
Federal Register / Vol. 75, No. 200 / Monday, October 18, 2010 / Rules and Regulations.
Federal Resister / Vol 79, No 219 / Thursday, November 13, 2014 / Final Rule
Federal Resister / February 24, 2016 / Final Rule
Jefferson County. 2017. Critical Areas Maps. Port Townsend, WA.
http://www.co.jefferson.wa.us/idms/mapserver.shtml
NOAA Environmental Response Management Application (ERMA) 2017. Available at:
https://www.erma.unh.edu/northwest/erma.html#/x=-122.66955&y=47.86951&z=9&layers=. Coastal
Response Research Center, University of New Hampshire. Durham, NH.
WDFW (Washington Department of Fish and Wildlife). 2017. Priority Habitats and Species report. Available at:
http://wdfw.wa.gov/mapping/phs/. Olympia, Washington.
WDOE (Washington Department of Ecology). 2017. Washington State Coastal Atlas Map. Available at:
https://fortress.wa.gov/ecy/coastalatlas/tools/Map.aspx. Olympia, Washington.
WSDE (Washington State Department of Ecology). 2017. Stormwater Management Manual for Western
Washington. Washington State Department of Ecology, Water Quality Program. Olympia, WA. 1035 pp.
http://www.ecy.wa.gov/programs/wq/stormwater/manual.html
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Figure 1. Project Location
Figure 2. Plat Map
Becket Point Fisherman’s Club
Parking Project Vicinity Map
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Project Site
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Figure 3. Site plan
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Figure 4. Satellite Picture of the Project Area
Figure 5. Aerial Photo of the Project Area
Project Site
Project Site
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Figure 6. Site Photo: Looking East from Proposed Parking Area
Figure 7. Site Photo: Looking West from Proposed Parking Area
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Figure 8. Site Picture: Looking South from Proposed Parking Area
Figure 9. Site Picture: Looking South from Proposed Parking Area
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Figure 10. Site Picture: Looking South at Site from across the street
Figure 11. Site Picture: Edge of wetland to the South of Proposed Parking Area
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Figure 12. Site Picture: Edge of wetland to the South of Proposed Parking Area
Figure 13. Site Picture: Site Vegetation
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Figure 14. Site Picture: Site Vegetation
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Figure 15. Site Picture: Site Vegetation
Figure 16. Site Picture: Site Vegetation
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Figure 17. WDFW Priority Species and Habitats Map
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Figure 18. WDFW Priority Species and Habitats List
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Figure 19. WDOE Coastal Atlas Map of Wetlands
Figure 20. WDOE Coastal Atlas Map of Aquatic Vegetation
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Figure 21. WDOE Coastal Atlas Map of Slope Stability
Figure 22. WDOE Coastal Atlas Map of Drift Cells
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Figure 23. NOAA ERMA Wetland Map
Figure 24. NOAA ERMA Rockfish Critical Habitat Map
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Figure 25. NOAA ERMA Chinook Critical Habitat Map
Figure 26. NOAA ERMA Hood Canal Summer-run Chum Critical Habitat Map
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Figure 27. NOAA ERMA Southern Resident Killer Whale Critical Habitat Map
Figure 28. NOAA ERMA Forage Fish Spawning Map
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Figure 29. NOAA ERMA Shellfish/Invertebrate Spawning Map
Figure 30. Jefferson County Slope Stability Map
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Figure 31. Jefferson County FEMA Flood Map
Figure 32. Jefferson County Wetland Map
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Figure 33. Jefferson County Landslide Hazard Map
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Attachment 1. Mitigation Planting and Monitoring Plan
A. Site Vegetation
The subject area is covered in grass sp. with scattered plantain sp., yarrow, vetch sp. and gumweed. The
gumweed (Grindelia integrifolia) will be impacted the most, as it is a larger perennial. It was noted only
in the lot furthest to the NE and there were not many visible plants.
B. Mitigation Plan
Mitigation is required for this site to offset the impacts to the wetland buffer. 972 square feet of wetland
buffer will be impacted by six parking spaces, each 9 feet by 18 feet (Figure 1). A strip measuring 54 feet
by 8 feet (432 square feet) will be graveled. This area is considered County Right of Way (ROW) and is
not included in the mitigation compensation. The parking area will remain in grass and log wheel stops
will be placed on the NE side. Untreated logs will cover approximately 36 square feet of grass. Impact to
the functions of the wetland buffer should be minimal as the log wheel stops will be the only permanent
impervious surface. Cars parked on the grass could impact the buffer by leaking fluids (oil, antifreeze,
etc.). Recommended mitigation includes: the removal of approximately 400 square feet of non-native
invasive Himalayan blackberry (Figure 1), to be replanted with native dune grass and rose species, and a
stipulation in the leaseholds of owners who require a parking space. The leasehold will include a
condition stating that vehicles shall not be parked in any of these spaces if fluids are leaking.
The best control method for the invasives is hand removal. Blackberry should be cut and the roots dug up
if possible. The plants selected for this site are native plants that already thrive in the area. They were
selected to improve the overall value of the functions in this wetland buffer. Following is a table showing
the plant species and numbers for the planting area. Plants will be selected from a regional native plant
nursery.
Plant List
Quantity Botanical
Name
Common Name Size
Approx.
400
Elymus
mollis
American dune
grass
Plugs on 12”
centers
9 Rosa nutkana Nootka rose 1 Gal on 5’
centers
Plants should be installed in late fall or early spring following the construction work. During these times
plants are semi-dormant and soils are easier to work. Plants will be laid out by hand generally following
the spacing specified on the planting plan map (Figure 2). The plants will be installed by digging a one to
two foot hole, loosening the soil, placing plant in ground after loosening soil around root ball. The hole
must be deep enough to ensure that roots are straight, but not so deep as to bury plants too far above the
root collar. Once the plant is in place the hole will be backfilled and tamped lightly. Mulch should be
applied 3” deep around plants, being careful not to touch stem of plant.
No extraordinary measures are proposed at this time to protect the installed plants other than mulching,
weeding and watering. Substitutions might be necessary for species or individuals that cannot be found at
local nurseries. All plant substitutions will be approved by the project biologist prior to installation to
ensure their suitability for the site.
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C. Performance Standards
Performance standards are measurable criteria for determining if the goals and objectives of the
mitigation project are being achieved. If the proposed benchmarks are not achieved by comparing the
surveys to the mitigation goals, then contingency plans will need to be implemented.
Performance Standard # 1 (survival rate): Immediately after planting, all plants will be counted and documented.
At the end of each growing season (late Aug- early Sept) plots will be visited and a count of surviving plants will
be documented. The percent survival for the plots will be calculated by dividing the total number of plants after
planting by the total number of surviving plants at the end of the season. Photo stations for each replanting site will
be determined and a photograph of each transplant location will be taken on an annual basis. Individual plants that
die must be replaced with native species in order to meet the survival performance standards.
Performance Standard # 2 (percent cover): The percent cover standard will be monitored by looking at
each monitoring unit of the enhanced areas from above and estimating the area covered by the individual
species. The percent cover within an area can be quantified as a total greater than 100% because plants
(in tree, high/low shrub and herbaceous layers) overlap in cover.
Performance Standard #3 (invasive removal): All areas where invasive plants were removed will be
surveyed visually and categorized with photo stations. This is to ensure that 0% (none) of the targeted
Invasive species (Himalayan Blackberry) will be present and have not reestablished within each
monitoring year.
D. Monitoring Plan
An as-built drawing and report will be submitted as documentation of the implementation of the approved
planting plan within one month of installation. The plan will include vegetation description and photo
documentation from established photo stations. A panoramic photo of the entire mitigation site will also
be provided. Photos should be taken June - August, during the growing season. Monitoring will take
place over a period of five years at the end of the growing season (late August or early September) of
each monitoring year. The performance standards will be monitored by measuring plots in zones within
the planting area that will be established and mapped after planting occurs, on the as-built plan. There
will be photo points for each plot and they will be referenced on the as-built plan. Each year, the photo
points that are established at each site, will be used for comparison. Photos will be taken at all points for
all years as visual documentation of the performance standards progress, or lack of. In addition to photos
at designated points, photo documentation must include a panoramic view of the entire planting area.
Submitted photos must be formatted on standard 8 1/2 by 11 paper, dated with the date the photo was
taken, and clearly labeled with the direction from which the photo was taken. The photo location points
must be identified on an appropriate drawing. Collected data and photos will be compiled into an annual
Riparian Planting report each year and submitted by November 30 of each monitoring year for five years.
Each annual monitoring report shall include written and photographic documentation on plant mortality
and replanting efforts and must document whether the performance standards are being met. Monitoring
results will determine whether or not contingency measures will be needed.
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Performance Standards #1 & 2
Year 1: Achieve 100% survival success of replanted natives into mitigation areas
Year 2: Achieve 100% survival success at end of second year into mitigation areas
Year 3: Achieve 80% survival success at end of third year into mitigation areas
Year 4: Achieve 80% survival success at end of fourth year into mitigation areas
Year 5: Achieve 80% survival success at end of fifth year into mitigation areas
Performance Standard #3
Year 1: Achieve 100% removal of targeting invasive species from mitigation areas
Year 2: Achieve 100% removal of targeting invasive species from mitigation areas
Year 3: Achieve 100% removal of targeting invasive species from mitigation areas
Year 4: Achieve 100% removal of targeting invasive species from mitigation areas
Year 5: Achieve 100% removal of targeting invasive species from mitigation areas
E. Maintenance and Contingency
Maintenance shall occur at least twice during the growing season to ensure the survival of all native
species within the mitigation area, including volunteer natives. Watering by hand or sprinkler may be
necessary during year number one until the plants are established. Water requirements will depend on the
timing of planting with the seasons and weather conditions. Once plants are established, extra watering
may not be necessary. Hand weeding will be necessary around all plants that are being monitored for
survival and coverage. If the required survival rate is not met by the end of any monitoring year, plants
lost to mortality will be replaced to achieve the percentage cover performance standard described above.
Prior to replacement, an appropriate assessment will be performed to determine if the survival was
affected by species/site selection, animal damage, or some other factor. Subsequent contingency actions
must be designed to respond directly to the stressor(s), which are increasing mortality of planted native
species. If a particular species is shown not to endure site conditions then another, more appropriate
species will be selected. If excessive damage is observed, protective measures will be introduced.
Monitoring years may be added if significant re-planting becomes necessary. Monitoring on an annual
basis for five years will occur with photographs to determine the survival rate of the transplanted area. If
100% success is achieved before reaching the five-year mark, monitoring will continue without extra
replanting efforts. Within the five year time period, transplanting will occur on an annual basis to replace
any plants that are lost until 100% success is achieved.
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Figure 1. Proposed Parking Area
Looking SW to Blackberry Patch
Blackberries to be Removed – Roses Planted at Top of Bank
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Blackberries to be Removed – Dune Grass Planted up to Roses on Bank
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Figure 2. Planting Map