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Home My WebLink AboutWetland Report Addemdum 941100002Jim Angle Wetland Analysis Report Addendum to Wetland Delineation and Analysis Report (Olympic Wetland Resources, Inc. March 2008) Prepared for: Parcel #941 100 002 July 2017 Jim Angle 1240 W. Sims Way #61 Port Townsend, WA 98368 K3 Olympic Wetland Resources, LLC 856 54th Street Port Townsend, Washington 98368 360 385-6432 dixie@cablespeed.com t ........................................ .......................................................................... ....................... .......... ....... .. ....................................... ......... .. .......... ............ ............... ............................. . m ....... ..... . . .... ..... .... .. .. ......... . ..... ............ .... . .... .. ........ ...... ... . ... :fkk Jim Angle Wetland Analysis Report Addendum to Wetland Delineation and Analysis Report (Olympic Wetland Resources, Inc. March 2008) Parcel 4 941 100 002 July 2017 Introduction and History Olympic Wetland Resources, LLC has been authorized by Jim Angle to update the wetland rating for wetlands on 142 Bridle Way, Cape George, Port Townsend, Washington. These wetlands were delineated on March 2008 (Wetland Delineation and Analysis Report, March 2008, OWR INC). Current Jefferson County Unified Development Code (UDC) requires wetlands to be rated according to standards outlined Washington State Department of Ecology (DOE, Publication #14-060029, effective January 2015). This revised assessment is prepared according to the current Unified Development Code, Chapter 18.22, Critical Areas and as updated on the internet. During a Level I Wetland Assessment of the site in January 2008 several wetlands were identified and were later delineated in March 2008. The wetlands were described as Wetland A and B and were categorized using the previous rating system. They were described as Category Il and III respectively. Buffers assigned to the two wetlands were 110 feet for Wetland A and 60 feet for Wetland B. There are several indicators of historic wetland conditions on the site including mounded soils and elevated tree roots; however existing wetlands were confirmed by hydrology (ponding and surface saturation), vegetation communities, and soil colors. The entire site is within an area where there were no mapped wetlands indicated on the Jefferson County Critical Areas Map. The original goal of the wetland delineation in 2008 was to define the wetland edges and categorize the wetlands and establish buffer restrictions for a single-family residence and septic system. Since that time a driveway and approved septic system have been installed. All additional utilities are to the parcel along Bridle Way. During the original planning phase, the homesite was located within the buffer of Wetland A and a Buffer Averaging Plan was prepared. There was a buffer reduction of approximately 20% which conformed to reductions permitted by the Jefferson County UDC, (Jim Angle Buffer Averaging Plan, December 2009, OWR INC). Wetland B was at the eastern edge of the parcel and buffers did not restrict the building envelope. Angle Wetland Analysis Report Report File #2017-0703 Olympic Wetland Resources, LLC The new building envelope is approximately 120 feet from the nearest wetland boundary and outside buffer restrictions as measured on July 2017 using a Chainman hipchain. Understory is very dense and if more information is required a formal survey is recommended. Description of Site • Legal Description: Parcel 4941 100 002, Section 18 Township 30N Range IW • Location: 142 Bridle Way, Lot 2 off Saddle Way, Cape George Highlands, Jefferson County • WRIA 17 SubBasin Quimper • Zoned: RR -5 Rural Residential • Soils: TuC Tukey gravelly loam and Cmc Clallam gravelly sandy loam (nearby) • Slopes: 0 to 15% slopes The subject parcel is in the Cape George Highlands and is within a rural residential neighborhood. The 2.5 -acre triangular parcel is relatively flat except for a rise in elevation in the south-east corner. The plant community contains both mature and second growth tree cover with a dense understory of native shrubs and downed trees. Ferns and other understory plants are observed growing on mounded soils. The tree layer consists of Douglas' fir, hemlock, red -cedar, willow, and alder. The understory is dense and consists of salal, trailing blackberry, huckleberry, rhododendron, sword fern, and Oregon grape. Spirea, salmonberry, sedges, rushes, and water parsley were identified in the wetland. Both wetlands described in the original wetland delineation extend offsite to the south (Wetland A) and to the northeast (Wetland B). Due to private property restrictions the entire wetland boundary could not be examined. A map of the site location and mapped soils is included with the original wetland delineation. Sheet 1 of this Wetland Analysis Report includes the current site plan with wetland buffers, septic system location and driveway. Sheet 2 included Land Use analysis, Basin Contours, and Priority Habitat Species (PHS) associated with this parcel as required by the new rating analysis. Habitat and Species Assessment Priority Habitat Species were evaluated within 1/3 of a mile of this parcel. All threatened or endangered plant or animal species were recorded and if possible surveyed during the February 2017 assessment. No wildlife was observed during this assessment. The main source of hydrology is the lateral flow of storm water typical within glacial soils with a shallow clay layer. The wetland on the subject parcel extends north and south off property boundaries. This wetland units may historically have been hydrologically connected to neighboring wetlands before roads and housing developments. PHS listed by the Department of Fish and Wildlife (PHS internet) are: Bald eagle, Pacific herring, Geoduck, Pandalid shrimp, Great blue heron. Wetlands nearby include freshwater emergent, forested shrub, estuarine wetlands and freshwater ponds. Angle Wetland Analysis Report Olympic Wetland Resources, LLC Report File #2017-0703 2 Categorization of Wetland This wetland consists of one Hydrogeomorphic (HGM) Class and has been assessed as a Depressional Wetland. The wetland on the Angle parcel is located at the top of a flat basin that supports numerous other wetlands. Within the 1 KM polygon is a rare 6 -acre sphagnum bog which is clearly visible in the south-east corner on the land use aerial map (Sheet 2). This bog was part of 150 -acre parcel that was subdivided (Discovery Ridge Ranch). The entire parcel was delineated by OWR on February 2003 and 16 additional emergent and forested wetlands were also identified. Although no obvious overland connections or culverts were observed, the hydrology from the wetlands on the Angle parcel most likely empty into the waters of Discovery Bay which is downslope approximately 400 feet in elevation. Wetland Rating The current approach to wetland rating now evaluates a wetland's capacity for improving water quality, hydrologic functions, and habitat functions. Included in the analysis for this specific wetland are landscape settings, contributions of water retention to the basin, and potential for water filtration. Habitat function is assessed according to structural layers, interspersion of habitats, and surrounding natural buffers. Using the Washington State Wetland Rating System, effective January 2015 this wetland rates as a Category III wetland. It received 6 points for Improving Water Quality, 4 points for Hydrologic Functions, and 8 points for Habitat Functions (total of 28 points). Category III wetlands are described as wetlands with a moderate level of function and value to society. This wetland system has high Habitat Functions due to multi -structural layers of vegetation, regular frequency of surface water, and interspersions of Cowardin plant classes (forested, shrub, emergent). Fish and Wildlife Maps indicate nearby wetlands and Priority Habitat Species as listed above in the PHS list. Buffer Requirements Wetland A was reassessed and edges and previous findings were confirmed. Wetland A now rates as a Category III wetland with jurisdictional buffers of 110 feet. Wetland buffers were determined according to Jefferson County UDC Section 18.22 Article VII Wetlands (Table 18.22.330(2). Land uses qualify as moderate since the parcel is larger than one acre. Buffers are measured perpendicular from the wetland edge. The proposed home site and septic system are outside all wetland buffers. Wetland B was examined but there were no changes and appears over 150 feet from the building envelope. The site has a very dense understory and measurements are approximate. Angle Wetland Analysis Report Olympic Wetland Resources, LLC Report File #2017-0703 3 Findings and Summary All proposed development is planned outside the buffers of the wetlands identified on the Angle parcel. The driveway and an approved septic have been installed. All remaining utilities are available to the property along Bridle Way. Although the wetland buffer is very densely vegetated, a hip chain measurement during the field assessment on July 3, 2017 indicated the building envelope is approximately 125 feet from the nearest wetland edge. The focus of this biological assessment was to reassess the wetland and confirm wetland edges from the March 2008 delineation. The wetland was reassessed in July 2017 and the original wetland boundary flags were located and reconfirmed. Additional flagging was installed to clarify original findings. There has not been a change in water levels or expansion of wetland boundaries. The wetland is a Category III wetland due to the moderate levels of water quality and hydrologic functions. Habitat value is high and wetland edges are undisturbed. This Category III wetland will have assigned buffers of 110 feet. Included in this report are all the required maps to support this wetland categorization (Sheet 1 and 2). The updated Wetland Rating Form is also included at the is included at the end of this report. Limitations The final authority over approval of the original Wetland Delineation and Analysis Report (2008) and the Addendum Wetland Analysis Report (2017) will be Jefferson County Department of Community Development. Jurisdictional authority over critical areas falls within the local, state and federal agencies. If there are further questions or planning requirements for this project please do not hesitate to call. Dixie Llewellin Principal Biologist, Olympic Wetland Resources, LLC Certified for Wetland Delineation, WTI, 1995 Certified for Wetland Rating and Soil Analysis DOE, 2007, 2010, 2014 Angle Wetland Analysis Report Olympic Wetland Resources, LLC Report File #2017-0703 4 Title; Scale: Sheet 1 Site Plan and Wetland Boundary Map As Indicated +Dym;nc Wetland Resources, LLC 142 Bridle Way Port Townsend WA 98368 Date: 856 50th Street July 2017 #1 Port Townsend, WA 98368 Client: Jim Angle 360 3rables 2 1240 W. Sims Way #61 '•, dixie@cablespeed.com Y Job #:2017-0703 Port Townsend, WA 98368 Parcel #941 100 002 Lot 2 Sec. 18, T30N, R1W Accuracy Note All wetland locations from this Wetland Delineation are approximate. To establish the exact wetland edge a formal survey is required. Septic Location Driveway Propose Residence �C 3� Delineated Wetland Edge (adjusted July 2017*) 110' Buffer From Wetland Edge Flagged delineation markers Data Points (* new measurements in field) DP#4 r onectioi DP#2 L ■ r D/VIV! 1. 1.0 Buffe.r r r Recent Survey 437' rAV 'v Marker ` WetlandB r Category III 60' Buffers Wetland A i� Category III r\ 110' Buffers V 50' 100' r WV01yrnpic Wetland Resources,LLC 856 50th Street Port Townsend, WA 98368 360 385-6432 dixie@cablespeed.com Title: Land Use, Contour, and PHS 142 Bridle Way Port Townsend, WA 98368 Client: Jim Angle 1240 W. Sims Way #61 Port Townsend, WA 98368 Scale: Sheet As Indicated Date: July 2017 #2 Job #: 2017-0703 Parcel #941100 002 Sec. 18, T30N, R1W Subject Parcel in Red 3 3 3 3 i a 3 z 3 4- ; 3 Wetland name or number RATING SUMMARY - Western Washington Name of wetland (or ID #): Bf?-406f _ ld%kq C -'AP [ CED Date of site visit: ]L&-& 1 —7 Rated by D_LCL�JL—LLI,11i rte— 0--C_ Trained by Ecology?_ Yes -X No Date of training HGM Class used for rating Wetland has multiple HGM classes?_Y -/- < N NOTE: Form is not complete without the figures req ested (figures can be combined). Source of base aerial photo/map I�rt�-)�L 0 nktK OVERALL WETLAND CATEGORY (based on functions 1. Category of wetland based on FUNCTIONS Category I —Total score = 23 - 27 Category II — Total score = 20 - 22 _Category III —Total score = 16 - 19 Category IV —Total score = 9 - 15 or special characteristics_) FUNCTION Y ;.Improving [WateOQuallity Hydrologic Habitat Wetland of High Conservation Value Circle the appropriate ratings Bog 'Site Potential M L H & L M L I Landscape Potential H L H M M L None of the above Value H M L H M 0 H L TOTAL :Score Based on Ratings CO V 2. Category based on SPECIAL CHARACTERISTICS of wetland CHARACTERISTIC CATEGORY Estuarine I II Wetland of High Conservation Value I Bog I Mature Forest I Old Growth Forest I Coastal Lagoon I II Interdunal I II III IV None of the above Score for each function based on three ratings (order of ratings is not important) 9 = H,H,H 8 = H,H,M 7 = H,H,L 7 = H,M,M 6 = H,M,L 6 = M,M,M 5 = H,L,L 5 = M,M,L 4 = M,L,L 3 = L, L, L Wetland Rating System for Western WA: 2014 Update 1 Rating Form -Effective January 1, 2015 Wetland name or number Maps and figures required to answer questions correctly for Western Washington Depressional Wetlands Map of: To answer questions: i Figure # Cowardin plant classes D 1.3, H 1.1, H 1.4 Hydroperiods D 1.4, H 1.2 Location of outlet (can be added to map of hydro eriads) D 1.1, D 4.1 Boundary of area within 150 ft of the wetland (can be added to another figure) D 2.2, D 5.2 Map of the contributing basin D 4.3, D 5.3 1 km Polygon: Area that extends 1 km from entire wetland edge - including of ons for accessible habitat and undisturbed habitat H 2.1, H 2.2, H 2.3 Screen capture of map of 303(d) listed waters in basin (from Ecology website) D 3.1, D 3.2 Screen capture of list of TMDLs for WRIA in which unit is found (from web) D 3.3 Riverine Wetlands MaE of: To answer questions: Figure # Cowardin plant classes H 1.1, H 1.4 Hydroperiods H 1.2 Ponded depressions R 1.1 Boundary of area within 150 ft of the wetland (can be added to another figure) R 2.4 Plant cover of trees, shrubs, and herbaceous plants R 1.2, R 4.2 Width of unit vs. width of stream (can be added to another i ure) R 4.1 Map of the contributing basin R 2.2, R 2.3, R 5.2 1 km Polygon: Area that extends 1 km from entire wetland edge - including polygons for accessible habitat and undisturbed habitat H 2. 1, H 2.2, H 2.3 Screen capture of map of 303(d) listed waters in basin (from Ecology website) R 3.1 Screen capture of list of TMDLs for WRIA in which unit is found (from web) R 3.2, R 3.3 Lake Fringe Wetlands Ma of: To answer questions: Figure # Cowardin plant classes L 1. 1, L 4. 1, H 1. 1, H 1.4 Plant cover of trees, shrubs, and herbaceous plants L 1.2 Boundary of area within 150 ft of the wetland (can be added to another figure) L 2.2 1 km Polygon: Area that extends 1 km from entire wetland edge - including polygons for accessible habitat and undisturbed habitat H 2. 1, H 2.2, H 2.3 L 3.1, L 3.2 Screen capture of map of 303(d) listed waters in basin (from Ecology website) Screen capture of list of TMDLs for WRIA in which unit is found (from web) _ L 3.3 Slope Wetlands Map of: To answer questions: Figure # Cowardin plant classes H 1. 1, H 1.4 Hydroperiods H 1.2 Plant cover of dense trees, shrubs, and herbaceous plants S1.3 Plant cover of dense, rigid trees, shrubs, and herbaceous plants (can be added to figure above) S4.1 Boundary of 150 ft buffer (can be added to another figure) S2.1, S5.1 1 km Polygon: Area that extends 1 km from entire wetland edge - including polygons for accessible habitat and undisturbed habitat H 2.1, H 2.2, H 2.3 Screen capture of map of 303(d) listed waters in basin (from Ecology website) S 3.1, S 3.2 Screen capture of list of TMDLs for WRIA in which unit is found (from web) S3.3 Wetland Rating System for Western WA: 2014 Update Rating Form - Effective January 1, 2015 Wetland name or number DEPRESS IONAL AND FLATS WETLANDS Water Quality Funptloos-_Irtdicators that the site functions to improve, water quality D 1.0. Does the site have the potential to improve water quality? D 1.1. Characteristics of surface water outflows from the wetland: Q Wetland is a depression or flat depression (QUESTION 7 on key) with no surface water leaving it (no outlet). points3 3 Wetland has an intermittently flowing stream or ditch, OR highly constricted permanently flowing outlet. f points = 2 Wetland has an unconstricted, or slightly constricted, surface outlet that is permanently flowing points = 1 Wetland is a flat depression (QUESTION 7 on key), whose outlet is a permanently flowing ditch. points = 1 D 1.2. The soil 2 in below the surface or duff layerl layeris true clay or true organic (use NRCS definitions). Yes = 4 No = 0 Q D 1.3. Characteristics and dls rlbution of persistent oiants. (Emergent, Scrub -shrub, and/or Forested Cowardin classes): Wetland has persistent, ungrazed, plants > 95% of area points Wetland has persistent, ungrazed, plants > % of area points = 3 Wetland has persistent, ungrazed plants > 1/10 of area points = 1 Wetland has persistent, ungrazed plants <1/10 of area points = 0 D 1.4. Characteristics of seasonal ponding or inundation: This is the area that is ponded for at least 2 months. See description in manual. Area seasonally ponded is > Y� total area of wetland points = Area seasonally ponded is > Y total area of wetland points = 2 Area seasonally ponded is < Y4 total area of wetland points = 0 Total for D 1 Add the points in the boxes above I 12 Rating of Site Potential If score is:__�(-12-16 = H _6-11= M _0-5 = L Record the rating on the first page D 2.0. Does the landscape have the potential to support the water quality function of the site? D 2.1. Does the wetland unit receive stormwater discharges? Yes = 1 No = 0 O D 2.2. Is > 10% of the area within 150 ft of the wetland in land uses that generate pollutants? Yes = 1 No = 0 Q D 2.3. Are there septic systems within 250 ft of the wetland? Yes = 1 No = 0 D 2.4. Are there other sources of pollutants coming into the wetland that are not listed in questions D 2.1-D 2.3? Source Yes = 1 No = 0 Total for D 2 Add the points in the boxes above f Rating of Landscape Potential If score is: �3 or 4 = H _)41 or 2 = M 0 = L Record the rating on the first page D 3.0. Is the water quality improvement provided by the site valuable to society? D 3.1. Does the wetland discharge directly (i.e., within 1 mi) to a stream, river, lake, or marine water that is on the 303(d) list? Yes = 1 No = 0 Q D 3.2. Is the wetland in a basin or sub -basin where an aquatic resource is on the 303(d) list? Yes = 1 No = 0 D 3.3. Has the site been identified in a watershed or local plan as important for maintaining water quality (answer YES '.. there is a TMDL for the basin in which the unit is found)? Yes = 2 No = 0 Total for D 3 Add the points in the boxes above Q Rating of Value If score is: 2-4 = H 1=M O = L Wetland Rating System for Western WA: 2014 Update Rating Form - Effective January 1, 2015 Record the rating on the first page H Wetland name or number DEPPESSI D FLATS W . T i. D 5.1. Does the wetland receive stormwater discharges? Yes = 1 No = 0 Hydrologic Functions - Indicators that the site functions to reduce flooding and stream degradation D 4.0. Does the site have the potential to reduce flooding and erosion? D 5.3. Is more than 25% of the contributing basin of the wetland covered with intensive human land uses (residential at >1 residence/ac, urban, commercial, agriculture, etc.)? Yes = 1 No = 0 D 4.1. Characteristics of surface water outflows from the wetland: Q • Flooding occurs in a sub -basin that is immediately down -gradient of unit. points = 2 Wetland is a depression or flat depression with no surface water leaving it (no outlet) points Wetland has an intermittently flowing stream or ditch, OR highly constricted permanently flowing outletpoints = 2 Wetland is a flat depression (QUESTION 7 on key), whose outlet is a permanently flowing ditch points = 1 water stored by the wetland cannot reach areas that flood, Explain why points = 0 Wetland has an unconstricted, or slightly constricted, surface outlet that is permanently flowing points = 0 Q D 4.2. Depth of storage during wet periods: Estimate the height of ponding above the bottom of the outlet. For wetlands with no outlet, measure from the surface of permanent water or if dry, the deepest part. Total for D 6 Add the points in the boxes above Marks of ponding are 3 ft or more above the surface or bottom of outlet points = 7 Marks of ponding between 2 ft to < 3 ft from surface or bottom of outlet points = 5 Marks are at least 0.5 ft tas 2 ft from surface or bottom of outlet points =0 The wetland is a "headwater" wetland points = 3 Wetland is flat but has small depressions on the surface that trap water points = 1 Marks of ponding less than 0.5 ft (6 in) points = 0 D 4.3. Contribution_ of the wetland to storaee in the watershed: Estimate the ratio of the area of upstream basin contributing surface water to the wetland to the area of the wetland unit itself. The area of the basin is less than 10 times the area of the unit points = 5 The area of the basin is 10 to 100 times the area of the unit points = 3 The area of the basin is more than 100 times the area of the unit points = 0 Entire wetland is in the Flats class points = 5 Total for D 4 Add the points in the boxes above i D Rating of Site Potential If score is:_32-16 = H 6-11= M 0-5 = L Record the rating on the first page D 5.0. Does the landscape have the potential to support hydrologic functions of the site? D 5.1. Does the wetland receive stormwater discharges? Yes = 1 No = 0 D 5.2. Is >10% of the area within 150 ft of the wetland in land uses that generate excess runoff? Yes = 1 No = 0 O D 5.3. Is more than 25% of the contributing basin of the wetland covered with intensive human land uses (residential at >1 residence/ac, urban, commercial, agriculture, etc.)? Yes = 1 No = 0 Total for D 5 Add the points in the boxes above Q Rating of Landscape Potential If score is:_3 = H —1 or 2 = M >�,_0 = L Record the rating on the first page D 6.0. Are the hydrologic functions provided by the site valuable to society? D 6.1. The unit is in a landscape that has flooding problems. Choose the description that best matches conditions around the wetland unit being rated. Do not add points. Choose the highest score if more than one condition is met. The wetland captures surface water that would otherwise flow down -gradient into -areas where flooding has damaged human or natural resources (e.g., houses or salmon redds): • Flooding occurs in a sub -basin that is immediately down -gradient of unit. points = 2 • Surface flooding problems are in a sub -basin farther down -gradient. points = 1 Flooding from groundwater is an issue in the sub -basin. points = 1 The existing or potential outflow from the wetland is so constrained by human or natural conditions that the water stored by the wetland cannot reach areas that flood, Explain why points = 0 There are no problems with flooding downstream of the wetland. points = 0 Q D 6.2. Has the site been identified as important for flood storage or flood conveyance in a regional flood control plan? Yes=2 No=O Total for D 6 Add the points in the boxes above Rating of Value If score is: 2-4 = H _1 = M ')L-0 = L Wetland Rating System for Western WA: 2014 Update Rating Form - Effective January 1, 2015 Record the rating on the first page L L_ Wetland name or number These questions apply to wetlands of all HGM classes. HABITAT FUNCTIONS - Indicators that site functions to provide important habitat H 1.0. Does the site have the potential to provide habitat? H 1.1. Structure of plant community: Indicators are Cowardin classes and strata within the Forested class. Check the Cowardin plant classes in the wetland. Up to 10 patches may be combined for each class to meet the threshold of % ac or more than 10% of the unit if it is smaller than 2.5 ac. Add the number of structures checked. _Aquatic bed 4 structures or more: points = 4 yTL Emergent 3 structures: points = 2 J� Scrub -shrub (areas where shrubs have > 30% cover) 2 1 structures: points = Forested (areas have 30% where trees > cover) 1 structure: points = 0 If the unit has a Forested class, check if: The Forested class has 3 out of 5 strata (canopy, sub -canopy, shrubs, herbaceous, moss/ground-cover) that each cover 20% within the Forested polygon H 1.2. Hydroperiods Check the types of water regimes (hydroperiods) present within the wetland. The water regime has to cover more than 10% of the wetland or X ac to count (see text for descriptions of hydroperiods). Permanently flooded or inundated 4 or more types present: points = 3 Seasonally flooded or inundated 3 types present: points = 2 Occasionally flooded or inundated 2 types present: points = 1 o'/ -Saturated only 1 type present: points = 0 _Permanently flowing stream or river in, or adjacent to, the wetland _Seasonally flowing stream in, or adjacent to, the wetland _Lake Fringe wetland 2 points Freshwater tidal wetland 2 points H 1.3. Richness of plant species Count the number of plant species in the wetland that cover at least 10 ftz. Different patches of the some species can be combined to meet the size threshold and you do not have to name the species. Do not include Eurasian milfoil, reed canarygrass, purple loosestrife, Canadian thistle If you counted: > 19 species points = 2 5 - 19 species points = 1 < 5 species points = 0 H 1.4. Interspersion of habitats Decide from the diagrams below whether interspersion among Cowardin plants classes (described in H 1.1), or the classes and unvegetated areas (can include open water or mudflats) is high, moderate, low, or none. If you have four or more plant classes or three classes and open water, the rating is always high. (:D (:: 0 ) (*) ( 0*) None = 0 points Low = 1 point Moderate = 2 points All three diagrams in this row are HIGH = 3points Wetland Rating System for Western WA: 2014 Update 13 Rating Form - Effective January 1, 2015 Wetland name or number H 1.5. Special habitat features: Check the habitat features that are present in the wetland. The number of checks is the number of points. 7L Large, downed, woody debris within the wetland (> 4 in diameter and 6 ft long). Calculate: % undisturbed habitat(+ [(% moderate and low intensity land uses)/2] LV_% Standing snags (dbh > 4 in) within the wetland If total accessible habitat is: Undercut banks are present for at least 6.6 ft (2 m) and/or overhanging plants extends at least 3.3 ft (1 m) over a stream (or ditch) in, or contiguous with the wetland, for at least 33 ft (10 m) points Stable steep banks of fine material that might be used by beaver or muskrat for denning (> 30 degree 20-33% of 1 km Polygon slope) OR signs of recent beaver activity are present (cut shrubs or trees that have not yet weathered where wood is exposed) points =1 x At least X ac of thin -stemmed persistent plants or woody branches are present in areas that are < 10% of 1 km Polygon permanently or seasonally inundated (structures for egg -laying by amphibians) Invasive plants cover less than 25% of the wetland area in every stratum of plants (see H 1.1 for list of 4 strata) 1 Total for H 1 Add the points in the boxes above . 5 Rating of Site Potential If score is:15-18 = H _7-14 = M _0-6 = L Record the rating on the first page H 2.0. Does the landscape have the potential to support the habitat functions of the site? H 2.1. Accessible habitat (ir+ulude unly habilul ifrul directly u" b+uf Welland unit). Calculate: % undisturbed habitat(+ [(% moderate and low intensity land uses)/2] LV_% If total accessible habitat is: >'/3 (33.3%) of 1 km Polygon points 20-33% of 1 km Polygon points = 2 10-19% of 1 km Polygon points =1 < 10% of 1 km Polygon points = 0 H 2.2. Undisturbed habitat in 1 km Polyga aro.un the wetland. Calcuiate: % undisturbed habitat_*+ [(% moderate and low intensity land uses)/2]LCO _ ! D % Undisturbed habitat > SO% of Polygon points tp Undisturbed habitat 10-50% and in 1-3 patches points = 2 Undisturbed habitat 10-50% and > 3 patches points = 1 Undisturbed habitat < 10% of 1 km Polygon points = 0 H 2.3. Land use intensity in 1 km Polygon: If > 50°% of 1 km Polygon is high intensity land use points = ( 2) O <_ 50% of 1 km Polygon is high intensity points = 0 Total for H 2 Add the points in the boxes above Rating of Landscape Potential If score is: 4-4-6 = H _1-3 = M _< 1= L I H 3.0. Is the habitat provided by the site valuable to society? Record the rating on the first page H 3.1. Does the site provide habitat for species valued in laws, regulations, or policies? Choose only the highestscore that applies to the wetland being rated. Site meets ANY of the following criteria: points = 2 — It has 3 or more priority habitats within 100 m (see next page) It provides habitat for Threatened or Endangered species (any plant or animal on the state or federal lists) It is mapped as a location for an individual WDFW priority species It is a Wetland of High Conservation Value as determined by the Department of Natural Resources It has been categorized as an important habitat site in a local or regional comprehensive plan, in a Shoreline Master Plan, or in a watershed plan Site has 1 or 2 priority habitats (listed on next page) within 100 m points = 1 Site does not meet any of the criteria above Rating of Value If score is: -2 = H _1= M _0 = L Wetland Rating System for Western WA: 2014 Update Rating Form - Effective January 1, 2015 oints = 0 Record the rating on the first page 14 to