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HomeMy WebLinkAboutWetland Delineation 978802015 (0003)WETLAND DELINEATION UPDATE Wetland B Port Ludlow, Olympic Terrace II Jefferson County, Washington January 13, 2021 RAEDEKE ASSOCIATES, INC. Wetland & Aquatic Sciences Wildlife Ecology Landscape Architecture 2111 N. Northgate Way, Ste 219 Seattle, WA 98133 206-525-8122 raedeke.com Associates, Inc. Raedeke Report To: West Harbor Homes c/o Mr. Cliff O’Brien 70 Breaker Lane Port Ludlow, WA 98365 Title: Wetland B - Wetland Delineation Update Port Ludlow, Olympic Terrace II Jefferson County, Washington Project Number: 90061-102 Prepared By: RAEDEKE ASSOCIATES, INC. 2111 N. Northgate Way, Suite 219 Seattle, Washington 98133 (206) 525-8122 Date: January 13, 2021 Wetland & Aquatic Sciences Wildlife Ecology Landscape Architecture 2111 N. Northgate Way, Ste 219 Seattle, WA 98133 206-525-8122 raedeke.com Associates, Inc. Raedeke Project Manager: Christopher W. Wright, B.S. Principal/Soil and Wetland Scientist Current Project Personnel: Richard W. Lundquist, M.S. Associate/Wildlife Biologist Annamaria Clark, B.S. Wetland Biologist Will Russack, B.S. Wetland Biologist Submitted by: Signature Christopher W. Wright Printed Name January 13, 2021 DATE iii TABLE OF CONTENTS Page LIST OF FIGURES ........................................................................................................... iv EXECUTIVE SUMMARY .................................................................................................v 1.0 INTRODUCTION ........................................................................................................1 1.1 Statement of Purpose .............................................................................................1 1.2 Study Area .............................................................................................................1 2.0 METHODS ...................................................................................................................2 2.1 Wetland Delineation ..............................................................................................2 2.2 Ordinary High Water Mark Delineation ................................................................3 2.3 Background Review ...............................................................................................3 2.4 Field Sampling Procedures and Data Analysis ......................................................4 3.0 EXISTING CONDITIONS ...........................................................................................5 3.1 General Property Description ................................................................................5 3.2 Wetland and Stream Descriptions .........................................................................5 4.0 REGULATORY CONSIDERATIONS ........................................................................9 4.1 Federal Clean Water Act (U.S. Army Corps of Engineers) ...................................9 4.2 State of Washington ................................................................................................9 4.3 Jefferson County ...................................................................................................10 5.0 IMPACTS ...................................................................................................................11 6.0 LIMITATIONS ...........................................................................................................12 7.0 LITERATURE CITED ...............................................................................................13 FIGURES ...........................................................................................................................16 APPENDIX A: Field Survey Data ................................................................................ A-1 APPENDIX B: WDOE (Hruby 2014) Wetland Rating Form ....................................... B-1 APPENDIX C: ESM Olympic Terrace Division 2 – 2007 Plat Sheets ......................... C-1 iv LIST OF FIGURES Figure Page 1. Vicinity Map ..........................................................................................................17 2. National Wetland Inventory ...................................................................................18 3. Jefferson County GIS Map ....................................................................................19 4. WDFW SalmonScape Map ....................................................................................20 5. WDNR Forest Practices Mapping Tool .................................................................21 6. WDFW Priority Habitat & Species Map ...............................................................22 7. Existing Conditions ................................................................................................23 8. Survey Flagging Map .............................................................................................24 v EXECUTIVE SUMMARY This report documents the results of our 2020 investigation to verify, update, and describe Wetland B and an unnamed stream located in the southeastern portion of the Port Ludlow - Olympic Terrace property in unincorporated Jefferson County, Washington (Figure 1). The results are to be used for planning purposes of the proposed development known as the Olympic Terrace II - Phase II area which is a portion of the overall Port Ludlow - Olympic Terrace property. This report summarizes the updated wetland and stream boundaries for Wetland B and an unnamed stream within the Olympic Terrace II - Phase II project area. Raedeke Associates, Inc. performed extensive baseline investigations for wetlands and streams within the Olympic Terrace Plat property from June through July of 2000 that are the basis of this investigation. In addition, in 2017 we re-visited the project site to verify previously delineated wetlands and re-delineate any changes in wetland boundaries. 1 Olympic Terrace II Raedeke Associates, Inc. Wetland B Delineation Update January 13, 2021 1.0 INTRODUCTION 1.1 STATEMENT OF PURPOSE This report documents the results of our November 2020 investigation of Wetland B within the Olympic Terrace property located in Jefferson County, Washington (Figure 1). Raedeke Associates, Inc. conducted extensive investigations of wetlands and streams on the overall Olympic Terrace property once in 2000, (Raedeke Associates, Inc. 2000), and again in 2017 (Raedeke Associates, Inc. 2017). The purpose of our most recent investigation was to update and document the current extent and condition of Wetland B and an affiliated stream (previously labelled as “Stream 7” on plat sheets), as well as discuss potential impacts. 1.2 STUDY AREA Wetland B lies in the southeastern portion of the 125-acre Olympic Terrace property investigated during our baseline investigations. It is located in a portion of the southern half of Section 21, Township 28 North, Range 1 East, W.M., in unincorporated Jefferson County, Washington. Specifically, the site study area is located south of Mt Wilder Way and west of Mt Constance Way and consists of Jefferson County Parcel identification numbers 978802500, 978802014, 978802013, 978802013, 978802012, 978802011, and 978802010. The affiliated stream begins north of Mt Wilder Way and travels through parcels 978802009, 978802008, and 978802007. 2 Olympic Terrace II Raedeke Associates, Inc. Wetland B Delineation Update January 13, 2021 2.0 METHODS 2.1 WETLAND DELINEATION The COE wetland definition was used to determine if any portions of the project area could be classified as wetland. A wetland is defined as an area “inundated or saturated by surface or groundwater at a frequency and duration sufficient to support, and that under normal circumstances does support, a prevalence of vegetation typically adapted for life in saturated soil conditions” (Federal Register 1986:41251). We based our investigation upon the guidelines of the U. S. Army Corps of Engineers (COE) Wetlands Delineation Manual (Environmental Laboratory 1987) and subsequent amendments and clarifications provided by the COE (1991a, 1991b, 1992, 1994), as updated for this area by the regional supplement to the COE wetland delineation manual for the Western Mountains, Valleys, and Coast Region (COE 2010). The COE wetlands manual is required by state law (WAC 173-22-035, as revised) for all local jurisdictions, including Jefferson County. Hydrophytic vegetation is defined as “macrophytic plant life growing in water, soil or substrate that is at least periodically deficient in oxygen as a result of excessive water content” (Environmental Laboratory 1987). The U.S. Army Corps of Engineers National Wetland Plant List wetland indicator status (WIS) ratings were used to make this determination (Lichvar, et al. 2016). The WIS ratings “reflect the range of estimated probabilities (expressed as a frequency of occurrence) of a species occurring in wetland versus non-wetland across the entire distribution of the species” (Reed 1988:8). Plants are rated, from highest to lowest probability of occurrence in wetlands, as obligate (OBL), facultative wetland (FACW), facultative (FAC), facultative upland (FACU), and upland (UPL), respectively. In general, hydrophytic vegetation is present when the majority of the dominant species are rated OBL, FACW, and FAC. A hydric soil is defined as “a soil that is formed under conditions of saturation, flooding, or ponding long enough during the growing season to develop anaerobic conditions in the upper part” (Federal Register 1995: 35681). The morphological characteristics of the soils in the study area were examined to determine whether any could be classified as hydric. According to the 1987 methodology, wetland hydrology could be present if the soils were saturated (sufficient to produce anaerobic conditions) within the majority of the rooting zone (usually the upper 12 inches) for at least 5% of the growing season, which in this area is usually at least 2 weeks (COE 1991a). It should be noted, however, that areas having saturation to the surface between 5% and 12% of the growing season may or may not be wetland (COE 1991b). Depending on soil type and drainage characteristics, saturation to the surface would occur if water tables were shallower than about 12 inches 3 Olympic Terrace II Raedeke Associates, Inc. Wetland B Delineation Update January 13, 2021 below the soil surface during this time period. Positive indicators of wetland hydrology include direct observation of inundation or soil saturation, as well as indirect evidence such as drift lines, watermarks, surface encrustations, and drainage patterns (Environmental Laboratory 1987). Hydrology was further investigated by noting drainage patterns and surface water connections between wetlands and streams within and adjacent to the project area. 2.2 ORDINARY HIGH WATER MARK DELINEATION We based our delineation of the ordinary high water mark (OHWM) for streams within the Phase II area on definitions provided under the Washington State Shorelines Management Act of 1971. The Washington State definition for the OHWM is as follows: Ordinary high water line" or "OHWL" means the mark on the shores of all waters that will be found by examining the bed and banks and ascertaining where the presence and action of waters are so common and usual and so long continued in ordinary years, as to mark upon the soil or vegetation a character distinct from that of the abutting upland, provided that in any area where the ordinary high water line cannot be found, the ordinary high water line adjoining saltwater shall be the line of mean higher high water, and the ordinary high water line adjoining freshwater shall be the elevation of the mean annual flood.”…(RCW 90.58.030(2)(b) and WAC173-22-030(5); WDOE 1994). As outlined in the Washington Department of Ecology (WDOE 1994) Shoreline Administrators Manual, the general guidelines for determining the OHWM include: (1) a clear vegetation mark; (2) wetland/upland edge; (3) elevation; (4) a combination of changes in vegetation, elevation, and landward limit of drift deposition; (5) soil surface changes from algae or sediment deposition to areas where soils show no sign of depositional processes; and/or (6) soil profile changes from wetter conditions (low chroma, high soil organic matter, and lack of mottling) to drier conditions (higher chroma, less organic matter, or brighter mottles). 2.3 BACKGROUND REVIEW In preparation for our site investigations, we reviewed our previous baseline investigations that we completed in June and July of 2000 and May of 2017 (Raedeke Associates, Inc. 2000, 2017) in the vicinity of the site. We also reviewed online resource maps from the U.S. Fish and Wildlife (USFWS 2020) National Wetlands Inventory (NWI), the U.S.D.A. Natural Resource Conservation Service (NRCS 2020) Soil Survey, Washington Department of Natural Resources (2020) Forest Practices Base Maps, Washington Department of Fish and Wildlife (2020a, 2020b) Priority Habitats and Species (PHS) on-line mapper and SalmonScape mapper, and the Jefferson County (2020a) Public GIS maps. We examined current and historical aerial photographs 4 Olympic Terrace II Raedeke Associates, Inc. Wetland B Delineation Update January 13, 2021 (Google Earth 2020) to assist in the definition of existing plant communities, drainage patterns, and land use. None of the background materials depict wetlands in the location of Wetland B. However, several maps do depict a stream in the vicinity of Wetland B and Stream 7 (Figures 2 – 6). Several resources characterize Stream 7 (not named on background materials) as a perennial, fish-bearing stream originating at Teal Lake to the southeast of the project site and continuing off-site to the north where it appears to outlet to Port Ludlow Bay. 2.4 FIELD SAMPLING PROCEDURES AND DATA ANALYSIS Raedeke Associates, Inc. staff visited Wetland B in the Olympic Terrace project area on November 10, 2020 to verify and collect data to determine the boundary of Wetland B and the OHWM of an unnamed stream. During our field investigation, we inventoried, classified, and described representative areas of plant communities, soil profiles, and hydrologic conditions in both uplands and wetlands. We searched specifically for areas with positive indicators of hydrophytic vegetation, hydric soil, and wetland hydrology. Vegetation, soils, and hydrology were examined in representative portions of the investigated area according to the procedures described in the COE Wetlands Delineation Manual (Environmental Laboratory 1987), as updated by the Regional Supplement (COE 2010). Plant communities were inventoried, classified, and described during our field investigation. We estimated the percent coverage of each species. Plant identifications were made according to standard taxonomic procedures described in Hitchcock and Cronquist (1976), with nomenclature as updated by the U.S. Army Corps of Engineers National Wetland Plant List (Lichvar et al. 2016). Wetland classification follows the USFWS wetland classification system (Cowardin et al. 1992). We determined the presence of a hydrophytic vegetation community using the procedure described in the Regional Supplement (COE 2010), which requires the use of the dominance test, unless positive indicators of hydric soils and wetland hydrology are also present, in which case the prevalence index or the use of other indicators of a hydrophytic vegetation community as described in the Regional Supplement (COE 2010) may also be required. We excavated pits to at least 18 inches below the soil surface, where possible, in order to describe the soil and hydrologic conditions throughout the study area. We sampled soil at locations that corresponded with vegetation sampling areas and potential wetland areas. Soil colors were determined using the Munsell Soil Color Chart (Munsell Color 2009). We used the indicators described in the Regional Supplement (COE 2010) to determine the presence of hydric soils and wetland hydrology. 5 Olympic Terrace II Raedeke Associates, Inc. Wetland B Delineation Update January 13, 2021 3.0 EXISTING CONDITIONS The boundary of Wetland B had been previously delineated in 2000 by Raedeke Associates. We confirmed and re-delineated the boundary of Wetland B in addition to delineating the OHWM of an unnamed stream for approximately 150 feet north of Mt. Wilder Way. 3.1 GENERAL PROPERTY DESCRIPTION The Phase II area of Olympic Terrace is in the southeastern portion of the project site. Specifically, Wetland B is south of Mt Wilder Way and west of Mt Constance Way. The site is characterized by second-growth coniferous forest, rests at an elevation of approximately 340 to 360 feet above sea level, and generally drains north and northwest. Single-family homes border the site to the east. To the southeast is a wetland complex affiliated with Teal Lake. Directly to the south of Wetland B there is a clear-cut area, which aerial imagery shows was logged within the past five years. 3.2 WETLAND AND STREAM DESCRIPTIONS As part of our most recent site investigation, we revisited Wetland B in order to collect data and verify the accuracy of its boundaries. Where necessary, we adjusted the boundaries to reflect current site conditions. In addition, we delineated the OWHM of one stream (Stream 7) within the project area to the north of Wetland B. Positive indicators for each of the three wetland parameters were present at the time of our investigation. Therefore, the delineated area continues to meet the necessary criteria for designation as wetlands according to the guidelines of the COE (Environmental Laboratory 1987) and Regional Supplement (COE 2010). Wetland B is a depressional forested and scrub-shrub wetland that meets the criteria to regulated as a Category III wetland providing high habitat function. Due to the multiple background maps depicting a stream through Wetland B, we investigated the wetland area for such a feature. However, we did not observe any evidence of channelization or bed-and-bank in the vicinity of Wetland B or to the south where background maps depict a stream flowing from Teal Lake. We began to observe evidence of a stream at the mouth of the culvert just north of Mt. Wilder Way. The segment of Stream 7 that we delineated did not appear to meet criteria to be considered fish-bearing. We acknowledge that the portion of the stream we inspected may not necessarily be representative of the entire length of stream as it drains north into Wetland G and Ludlow Bay. Several background sources depict Stream 7 as fish-bearing and providing fish habitat, as discussed in further detail below. The inventory data indicates that the feature is Type F; however, the data provided by the project proponent (O’Brien 2020) indicates that there are downstream reaches that are in excess of 20% gradient thus precluding fish passage. 6 Olympic Terrace II Raedeke Associates, Inc. Wetland B Delineation Update January 13, 2021 3.2.1 Wetland B Based on our previous baseline investigation, Wetland B totals 24,956 square feet (0.57 acres) in area and lies in a shallow depression within second-growth forest (Figure 8). The updated wetland boundary closely matches the original delineation, with no significant changes in area or extent. Wetland B is characterized as palustrine forested and scrub-shrub wetland. The wetland drains north through an approximately 4-foot culvert which passes under Mt Wilder Way. The seasonal stream that forms as a result of this outlet ultimately flows into the southeastern portion of Wetland G several hundred feet to the northwest (Raedeke Associates, Inc. 2000). During our investigation of Wetland B, we also re-delineated the OHWM of this seasonal stream for approximately 150 feet north of Mt Wilder Way. In addition, online mapping resources from WDFW, Washington DNR, U.S. Fish & Wildlife Service, and Jefferson County depict a stream originating off-site from Teal Lake in the southeast that is connected to the southern end of Wetland B (Figures 2 – 6). However, we inspected this area and did not observe evidence of a stream. The area south of Wetland B was recently clear-cut and no evidence of a stream channel in this vicinity was observed during our November 10, 2020 visit. Vegetation Wetland B is dominated by palustrine forested and scrub-shrub deciduous (PFO/PSS) vegetation classes. The southern end is influenced by a canopy of western red cedar (Thuja plicata), with an understory of salmonberry (Rubus spectabilis). The northern half of the wetland is generally dominated by a mixture of Pacific willow (Salix lasiandra), red alder (Alnus rubra), and salmonberry (Rubus spectabilis), with patches of spiraea (Spiraea douglasii). Emergent vegetation throughout the wetland is dominated by water-parsley (Oenanthe sarmentosa), with patches of slough sedge (Carex obnupta) and lady fern (Athyrium cyclosorum). All portions of the wetland are dominated by hydrophytic vegetation. Soils and Hydrology Soils within Wetland B consist of a black (10YR 2/1) to very dark gray (2.5Y 3/1) silty loam horizon, underlain by a dark grayish brown (2.5Y 4/2) silty loam with 3-10% concentrations of dark yellowish brown (10YR 4/6) within the matrix (Sample Plot 2 and 7, Appendix A). These soil profiles meet the conditions required for a depleted matrix or depleted below dark surface (indicators A11 and F3). In addition, we observed loam and muck soils with visible organic and plant material, another indicator of hydric soil conditions. Wetland B primarily receives water from direct precipitation and sheet flow from upland areas. As a result, it contains saturated only areas along with areas of seasonal flooding. Storage depths within the wetland ranged from 6 inches to 1 foot. All portions of the 7 Olympic Terrace II Raedeke Associates, Inc. Wetland B Delineation Update January 13, 2021 wetland had positive primary indicators of wetland hydrology at the time of our visit. We observed oxidized rhizospheres, saturation within 10 inches of the surface, hydrogen sulfide odor, and water marks along woody vegetation. Adjacent Uplands The uplands surrounding Wetland B consist of second-growth Douglas-fir (Pseudotsuga menziesii), western hemlock (Tsuga heterophylla), and western red-cedar (Thuja plicata) with a shrub community of salal (Gaultheria shallon), sword fern (Polystichum munitum), and red huckleberry (Vaccinium parvifolium). The surrounding uplands are generally characterized by a very dark brown (10YR 2/2) to dark grayish brown (10YR 4/2) sandy loam surface horizon over a brown (10YR 3/2) sandy loam subsurface, without mottles within 12 inches of the surface (Sample Plot 6 & 8, Appendix A). At the time of our site investigations, there was no evidence of saturation or free water within the upper 14 to 18 inches of the soil profile. 3.2.2 Stream 7 During our 2020 onsite investigation, we observed evidence indicating Stream 7 is a seasonal stream that begins at the culvert on the north side of Mt Wilder Way, at the outlet of Wetland B. The stream channel was dry with considerable leaf litter within the channel, suggesting significant dry periods between flow events. The stream flows north, with a bank approximately 3-6” tall and 1 – 2 feet wide, with a grade of 10-15%. 3.2.3 Classification and Determination Based on our observations, Wetland B still meets the necessary criteria for designation as a wetland according to the guidelines of the COE delineation manual (Environmental Laboratory 1987) and the Regional Supplement (COE 2010). Wetland B is classified as a palustrine, forested and scrub-shrub (PFO/PSS) wetland. Based on the 2014 WDOE Wetlands Rating Form for Western Washington (Hruby 2014), Wetland B would likely be rated as a Category III wetland with a Habitat score of 8 (Wetland B, Appendix B). Category III wetlands with high habitat function typically require a 300-foot standard buffer, based on proposed adjacent “High Intensity” land use (more than one lot per acre), according to the Jefferson County (2020b) Code. This buffer could be reduced to 225 feet with implementation of mitigation measures outlined in Table 18.22.730(1)(b) As discussed above, we delineated the OHWM of Stream 7 as shown on Figures 7 and 8. Multiple background maps depict the entire length of this stream as fish-bearing (SalmonScape 2020, Jefferson County GIS 2020, WDNR Forest Practices 2020) and it is mapped as salmonid habitat on the PHS Habitat Map (2020) and the Water Quality Atlas map (2020). However, data provided by the project proponent (O’Brien 2020), indicates that there are downstream reaches of Stream 7 that are in excess of 20% gradient, thus precluding fish passage. This data also classifies Stream 7 as a Type 5 stream (a now outdated classification for a nonfish-bearing stream). 8 Olympic Terrace II Raedeke Associates, Inc. Wetland B Delineation Update January 13, 2021 Therefore, for the purposes of water typing and buffer determination we conclude that Stream 7 meets the criteria as a seasonal, nonfish-bearing stream or “Type Ns”. According to Jefferson County Code (2020b), “Type Ns” streams with less than 20% gradient receive a 50-foot standard buffer. 9 Olympic Terrace II Raedeke Associates, Inc. Wetland B Delineation Update January 13, 2021 4.0 REGULATORY CONSIDERATIONS Wetlands and streams are protected by Section 404 of the Federal Clean Water Act and other state and local policies and ordinances, including the Jefferson County (2020b) code. Regulatory considerations pertinent to wetlands and streams at the site are subject to Federal, State, and Jefferson County (2020b) Critical Areas Regulations discussed below; however, this discussion should not be considered comprehensive. Additional information may be obtained from agencies with jurisdictional responsibility for, or interest in, the site. A brief review of federal and state regulations and Jefferson County policy, relative to wetlands, is presented below. 4.1 FEDERAL CLEAN WATER ACT (U.S. ARMY CORPS OF ENGINEERS) Federal law (Section 404 of the Clean Water Act) discourages the discharge of dredged or fill material into the nation's waters, including most wetlands and streams, without a permit from the U.S. Army Corps of Engineers (USACE). The USACE makes the final determination as to whether an area meets the definition of “Waters of the U.S.” as defined by the federal government (Federal Register 1986:41251), and thus, if it is under their jurisdiction. We should caution that the placement of fill within wetlands or other “Waters of the U.S.” without authorization from the USACE is not advised, as the USACE makes the final determination regarding whether any permits would be required for any proposed alteration (USACE 2017). If any modification of wetlands or streams is proposed, either directly or indirectly through temporary or permanent activities, a jurisdictional determination (preliminary or approved) from the USACE along with an appropriate federal permit will be required prior to any construction activities. Ultimate authority and jurisdiction to verify that your project is compliant with applicable Federal law lies with USACE. 4.2 STATE OF WASHINGTON Under Section 401 of the Clean Water Act, an activity involving a discharge in waters of the U.S. and authorized by the COE must also receive certification that the federally permitted activity complies with the federal Clean Water Act, state water quality laws, and any other appropriate state laws (such as the Water Resources Act and Hydraulic Code). In Washington State, the certifying agency is usually the Washington Department of Ecology (WDOE). In addition, if the COE-authorized permit is for actions within the 15 coastal counties, including Jefferson County, then the WDOE must confirm or deny that the proposed action complies with the Washington Coastal Zone Management Program. The WDOE also regulates activities within isolated wetlands under the state Water Pollution Control Act (90.48 RCW) and the Shoreline Management Act (90.58 RCW) in instances where a wetland or water is determined to be non-jurisdictional by the 10 Olympic Terrace II Raedeke Associates, Inc. Wetland B Delineation Update January 13, 2021 COE. The standards of review for issuance of a permit by the WDOE for activities within non-COE-jurisdictional wetlands or waters are the same as those for Section 401 certifications. 4.3 JEFFERSON COUNTY Jefferson County (2020b) code regulates wetlands and streams as critical areas. Alterations of wetlands or streams and their buffers are generally prohibited, except as allowed under certain conditions. All direct wetland impacts must be mitigated through wetland creation, restoration, or enhancement. Jefferson County (2020b) has the final authority to determine ratings, buffers, and allowed uses of wetlands, their buffers, and other sensitive areas that are under their jurisdiction. Jefferson County (2020b) Code determines wetland buffer widths based on wetland category as determined by the WDOE Wetland Rating System for Western Washington (Hruby 2014). Using the 2014 WDOE Wetland Rating System for Western Washington (Hruby 2014), we rated Wetland B as a Category III wetland with 8 habitat points. Thus, Jefferson County (2020b) would require a standard buffer of 300 feet on Wetland B, which could be reduced to 225 feet with implementation of mitigation measures outlined in Table 18.22.730(1)(b). Jefferson County (2020) also regulates streams as “Fish and Wildlife Habitat Conservation Areas” under Title 18 Chapter 18.22 Article VI. We determined Stream 7 to be “Type Ns” based on data provided by the client (O’Brien 2020) showing downstream segments with greater than 20% gradient, thus precluding fish passage. The segment we delineated appeared to have a gradient of 10-15% and therefore receives a 50-foot buffer. Wetland and stream buffer widths are measured perpendicularly from the wetland boundary or the ordinary high water mark of the stream, respectively, as surveyed in the field. 11 Olympic Terrace II Raedeke Associates, Inc. Wetland B Delineation Update January 13, 2021 5.0 IMPACTS For the purpose of assessing potential impacts to Wetland B, Stream 7, and their associated buffers, we reviewed the 2007 plat sheets provided by Mr. O’Brien (ESM Olympic Terrace Division 2 – Plat Sheets; Appendix C). These plan sheets depict wetland and stream buffers that may now be outdated. For example, Wetland B is shown with a 50 foot buffer but would now receive a 300 foot buffer (which could be reduced to 225 feet with implementation of mitigation measures outlined in the Jefferson County code) and Stream 7 is shown with a 15 foot buffer but would now receive a 50 foot buffer, per current Jefferson County (2020b) code. Plan sheets 8 & 9 depict the vicinity of Wetland B and Stream 7. At the time of our site visit, all lots shown immediately east of Wetland B and Stream 7 appeared to have been permitted as legal building lots. Lots 7, 9, 10, 11, and 12 appeared to be fully developed with occupied residential homes. Some of the undeveloped lots had “sold” signs adjacent to the street. It is our understanding that impacts associated with the building lots were previously reviewed by the County at the time the lot permits were approved. Sheet 8 depicts the area immediately west of Wetland B and Stream 7 as Tract A; to be preserved as open space with no proposed impacts. The portions of Tract A adjacent to Wetland B contain Wetland D, the southeast portion of Wetland C, and a segment of the Port Ludlow Trail, a pre-existing footpath open to the public which continues southeast around Wetland B and may connect to Teal Lake. The 300-foot Wetland B buffer would extend west of Tract A into the eastern portion of Tract C (described on Sheet 9 as reserved for future development). The buffer appears to extend just west of the depicted 25-foot Wetland C buffer shown on the plan; however, based on our 2017 assessment (Raedeke Associates, Inc. 2017), Wetland C is a Category III wetland (with 7 habitat points), which requires a 150-foot buffer (110 feet with implementation of mitigation measures outlined int the Jefferson County code). We are not aware of a site plan for Tract C to evaluate potential impacts, but we recommend preliminary site development plans avoid direct impacts to critical area buffers. As noted above, per mitigation measures outlined in Table 18.22.730(1)(b) of the Jefferson County (2020) code, the buffer may be reduced to 225 feet, and such a buffer would overlap with parts of Wetland C and its buffer but would not be likely to further encumber the developable area of Tract C. 12 Olympic Terrace II Raedeke Associates, Inc. Wetland B Delineation Update January 13, 2021 6.0 LIMITATIONS We have prepared this report for the exclusive use of West Harbor Homes, Mr. Cliff O’Brien, and their consultants. No other person or agency may rely upon the information, analysis, or conclusions contained herein without permission from West Harbor Homes. The determination of ecological system classifications, functions, values, and boundaries is an inexact science, and different individuals and agencies may reach different conclusions. With regard to wetlands, the final determination of their boundaries for regulatory purposes is the responsibility of the various agencies that regulate development activities in wetlands. We cannot guarantee the outcome of such determinations. Therefore, the conclusions of this report should be reviewed by the appropriate regulatory agencies. We warrant that the work performed conforms to standards generally accepted in our field, and prepared substantially in accordance with then-current technical guidelines and criteria. The conclusions of this report represent the results of our analysis of the information provided by the project proponent and their consultants, together with information gathered in the course of the study. No other warranty, expressed or implied, is made. 13 Olympic Terrace II Raedeke Associates, Inc. Wetland B Delineation Update January 13, 2021 7.0 LITERATURE CITED Cowardin L., V. Carter, F. Golet, and E. LaRoe. 1992. Classification of wetlands and deepwater habitats of the United States. USDI Fish and Wildlife Service Publication. FWS/OBS-79/31. 131 pp. Environmental Laboratory. 1987. Corps of Engineers Wetlands Delineation Manual. Technical Report Y-87-1, US Army Engineers Waterways Experiment Station, Vicksburg, Mississippi. 100 pp. Federal Register. 1986. 40 CFR Parts 320 through 330: Regulatory programs of the Corps of Engineers; final rule. Vol. 51. No. 219. pp. 41206-41260, U.S. Government Printing Office, Washington, D.C. Federal Register. 1995. Soil Conservation Service: changes in hydric soils of the United States. Volume 59, No. 133, pp. 35680-35695. July 13, 1994. U.S. Government Printing Office, Washington, D.C. Revised December 15, 1995. Google Earth. 2020. Image for 47.897823N, -122.681928W in Jefferson County, WA. © 2020 Google. Accessed December 2020. Hitchcock, C.L., and A. Cronquist. 1976. Flora of the Pacific Northwest. University of Washington Press, Seattle. 730 pp. Hruby, T. 2014. Washington State wetlands rating system for western Washington: 2014 Update. Washington State Department of Ecology, Publication No. 14-06- 029. October 2014. Jefferson County. 2020a. Maps: Parcel Map and Critical Areas Resources – Public Geographical Information Systems digital data. Accessed November 2020. https://gisweb.jeffcowa.us/LandRecords/ Jefferson County. 2020b. Title 18 Unified Development Code, Chapter 18.22 Critical Areas. Current through ordinances passed November 16, 2020. Accessed December 2020. Lichvar, R.W., D.L. Banks, W.N. Kirchner, and N.C. Melvin. 2016. U.S. Army Corps of Engineers, State of Washington 2016 Wetland Plant List.. The National Wetland Plant List: 2016 wetland ratings. Phytoneuron 2016-30: 1-17. Published 28 April 2016. ISSN 2153 733X. Munsell Color. 2009. Munsell soil color charts. Munsell Color, Grand Rapids, MI. 14 Olympic Terrace II Raedeke Associates, Inc. Wetland B Delineation Update January 13, 2021 O’Brien, C. 2020. December 9, 2020 email to Chris Wright re: Olympic Terrace Wetland B RAI#90061-103 Raedeke Associates, Inc. 2000. Wetland Assessment of the Port Ludlow - Olympic Terrace property, Jefferson County, Washington. September 28, 2000 report to Olympic Resource Management, Poulsbo, Washington. Raedeke Associates, Inc. 2017. Wetland Delineation Update for Port Ludlow, Olympic Terrace II, Jefferson County, Washington. May 17, 2017 report to West Harbor Homes c/o Mr. Cliff O’Brien, Port Ludlow, Washington. Reed, P.B., Jr. 1988. National list of plant species that occur in wetlands: Northwest (Region 9). U.S.D.I. Fish and Wildlife Service. Biological Report 88 (26.9). 89 pp. U.S. Army Corps of Engineers. 1991a. Special notice. Subject: Use of the 1987 wetland delineation manual. U.S. Army Corps of Engineers, Seattle District. August 30, 1991. U.S. Army Corps of Engineers. 1991b. Memorandum. Subject: Questions and answers on the 1987 manual. U.S. Army Corps of Engineers, Washington D.C. October 7, 1991. 7 pp. including cover letter by John P. Studt, Chief, Regulatory Branch. U.S. Army Corps of Engineers. 1992. Memorandum. Subject: Clarification and interpretation of the 1987 methodology. U.S. Army Corps of Engineers, Washington D.C., March 26, 1992. 4 pp. Arthur E. Williams, Major General, U.S.A. Directorate of Civil Works. U.S. Army Corps of Engineers. 1994. Public Notice. Subject: Washington regional guidance on the 1987 wetland delineation manual. May 23, 1994, Seattle District. 8 pp. 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). Wakeley, J.S., R.W. Lichvar, and C.V. Noble, eds. May 2010. ERDC/EL TR-10-3. U.S. Army Engineer Research and Development Center, Vicksburg, MS. U.S. Army Corps of Engineers. 2012. Special Public Notice. Final Regional Conditions, 401 Water Quality Conditions, Coastal Zone Management Consistency Responses, for Nationwide Permits for the Seattle District Corps of Engineers for the State of Washington. U.S. Army Corps of Engineers, Seattle District. March 19, 2012. 15 Olympic Terrace II Raedeke Associates, Inc. Wetland B Delineation Update January 13, 2021 U.S. Army Corps of Engineers. 2017. Special Public Notice. Final Seattle District 2017 Nationwide Permit Regional Conditions for Nationwide Permits for the Seattle District Corps of Engineers for the State of Washington. U.S. Army Corps of Engineers, Seattle District. March 17, 2017. U.S. Department of Agriculture Natural Resources Conservation Service. 2020. Web Soil Survey. Soil Map – Jefferson County Area, Washington. Available at: https://websoilsurvey.sc.egov.usda.gov/App/WebSoilSurvey.aspx. Accessed November 2020. U.S. Fish and Wildlife Service National Wetland Inventory Wetland Mapper. 2020. Available at: https://www.fws.gov/wetlands/data/mapper.HTML Washington Department of Ecology. 1994. v.1 Shoreline Administrators Manual. Shoreline Management Guidebook, 2nd Ed. Publication No. 93-104a. January 1994. Washington Department of Fish and Wildlife. 2020a. Priority Habitat and Species on the Web. http://apps.wdfw.wa.gov/phsontheweb/. Accessed November 2020. Washington Department of Fish and Wildlife. 2020b. SalmonScape Mapping Tool. http://apps.wdfw.wa.gov/salmonscape/map.html. Accessed November 2020. Washington Department of Natural Resources. 2020. Forest Practices Application Mapping Tool. Accessed November 2020. https://fortress.wa.gov/dnr/protectiongis/fpamt/default.aspx FIGURES Wetland B - Olympic Terrace RAI Project #: 90061-102 Note: Wetland, Stream, & Buffer boundaries are based on GPS coordinates and are approximate. Date Created: 1/5/2021 Map Created By: A. Clark Source: Esri, DigitalGlobe, GeoEye, Earthstar Geographics, CNES/Airbus DS, USDA, USGS, AeroGRID,IGN, and the GIS User CommunityI Legend Tax Parcels Wetland B Stream 7 Wetland B Buffer (300FT) Reduced Buffer with mitigation (225FT) Figure 7 - Wetland B Existing Conditions Stream 7 - Type Ns (50FT Buffer) Stream & Buffer continue north Wetland B - Category III with 8 Habitat Points (300FT Standard Buffer)(225FT Reduced Buffer) APPENDIX A Field Survey Data US Army Corps of Engineers Western Mountains, Valleys, and Coast – Version 2.0 WETLAND DETERMINATION DATA FORM – Western Mountains, Valleys, and Coast Region Project/Site: Olympic Terrace City/County: Port Ludlow Sampling Date:11/10/20 Applicant/Owner: West Harbor Homes State: WA Sampling Point: SP 1 Investigator(s): Will Russack & Annamaria Clark Section, Township, Range: S21. T28N. R1E Landform (hillslope, terrace, etc.): depression Local relief (concave, convex, none): concave Slope (%): 1-3 Subregion (LRR): Northwest forest Lat: 47.897027 Long: -122.678540 Datum: WGS84 Soil Map Unit Name: Indianola sandy loam NWI classification: R4SBC Are climatic / hydrologic conditions on the site typical for this time of year? Yes No (If no, explain in Remarks.) Are Vegetation , Soil , or Hydrology significantly disturbed? Are “Normal Circumstances” present? Yes No Are Vegetation , Soil , or Hydrology naturally problematic? (If needed, explain any answers in Remarks.) SUMMARY OF FINDINGS – Attach site map showing sampling point locations, transects, important features, etc. Hydrophytic Vegetation Present? Yes No Hydric Soil Present? Yes No Wetland Hydrology Present? Yes No Is the Sampled Area within a Wetland? Yes No Remarks: SP near sw corner of wetland B (GPS 256) VEGETATION – Use scientific names of plants. Absolute Dominant Indicator Tree Stratum (Plot size: 5 m) % Cover Species? Status 1. Thuja plicata (western redcedar) 40 yes FAC 2. Pseudotsuga menziesii (Douglas fir) 10 yes FACU 3. 4. 50 = Total Cover Sapling/Shrub Stratum (Plot size: 3 m) 1. Sambucus racemosa (red elderberry) 5 yes FACU 2. Rubus spectabilis (salmonberry) 2 yes FAC 3. Gaultheria shallon (salal) 1 no FACU 4. 5. 8 = Total Cover Herb Stratum (Plot size: 1 m) 1. Oenanthe sarmentosa (water-parsley) 35 Yes OBL 2. Galium aparine (sticky willy) 10 no FACU 3. Athyrium cyclosorum (lady fern) 5 no FACW 4. Agrostis sp. 5 no FAC 5. Blechnum spicant (deer fern) 5 no FAC 6. Polystichum munitum (sword fern) 5 no FACU 7. 8. 9. 10. 11. 65 = Total Cover Woody Vine Stratum (Plot size: 3 m) 1. 2. 0 = Total Cover % Bare Ground in Herb Stratum 10 Dominance Test worksheet: Number of Dominant Species That Are OBL, FACW, or FAC: 3 (A) Total Number of Dominant Species Across All Strata: 5 (B) Percent of Dominant Species That Are OBL, FACW, or FAC: 60 (A/B) Prevalence Index worksheet: Total % Cover of: Multiply by: OBL species x 1 = FACW species x 2 = FAC species x 3 = FACU species x 4 = UPL species x 5 = Column Totals: (A) (B) Prevalence Index = B/A = Hydrophytic Vegetation Indicators: 1 - Rapid Test for Hydrophytic Vegetation 2 - Dominance Test is >50% 3 - Prevalence Index is ≤3.01 4 - Morphological Adaptations1 (Provide supporting data in Remarks or on a separate sheet) 5 - Wetland Non-Vascular Plants1 Problematic Hydrophytic Vegetation1 (Explain) 1Indicators of hydric soil and wetland hydrology must be present, unless disturbed or problematic. Hydrophytic Vegetation Present? Yes No Remarks: US Army Corps of Engineers Western Mountains, Valleys, and Coast – Version 2.0 SOIL Sampling Point: SP 1 Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.) Depth Matrix Redox Features (inches) Color (moist) % Color (moist) % Type1 Loc2 Texture Remarks 0-6 10YR 2/1 100 Si.L minor organic content 6-12 10YR 4/2 100 SL 1Type: C=Concentration, D=Depletion, RM=Reduced Matrix, CS=Covered or Coated Sand Grains. 2Location: PL=Pore Lining, M=Matrix. Hydric Soil Indicators: (Applicable to all LRRs, unless otherwise noted.) Indicators for Problematic Hydric Soils3: Histosol (A1) Sandy Redox (S5) 2 cm Muck (A10) Histic Epipedon (A2) Stripped Matrix (S6) Red Parent Material (TF2) Black Histic (A3) Loamy Mucky Mineral (F1) (except MLRA 1) Very Shallow Dark Surface (TF12) Hydrogen Sulfide (A4) Loamy Gleyed Matrix (F2) Other (Explain in Remarks) Depleted Below Dark Surface (A11) Depleted Matrix (F3) Thick Dark Surface (A12) Redox Dark Surface (F6) 3Indicators of hydrophytic vegetation and Sandy Mucky Mineral (S1) Depleted Dark Surface (F7) wetland hydrology must be present, Sandy Gleyed Matrix (S4) Redox Depressions (F8) unless disturbed or problematic. Restrictive Layer (if present): Type: Depth (inches): Hydric Soil Present? Yes No Remarks: No indicators of hydric soils HYDROLOGY Wetland Hydrology Indicators: Primary Indicators (minimum of one required; check all that apply) Secondary Indicators (2 or more required) Surface Water (A1) Water-Stained Leaves (B9) (except MLRA Water-Stained Leaves (B9) (MLRA 1, 2, High Water Table (A2) 1, 2, 4A, and 4B) 4A, and 4B) Saturation (A3) Salt Crust (B11) Drainage Patterns (B10) Water Marks (B1) Aquatic Invertebrates (B13) Dry-Season Water Table (C2) Sediment Deposits (B2) Hydrogen Sulfide Odor (C1) Saturation Visible on Aerial Imagery (C9) Drift Deposits (B3) Oxidized Rhizospheres along Living Roots (C3) Geomorphic Position (D2) Algal Mat or Crust (B4) Presence of Reduced Iron (C4) Shallow Aquitard (D3) Iron Deposits (B5) Recent Iron Reduction in Tilled Soils (C6) FAC-Neutral Test (D5) Surface Soil Cracks (B6) Stunted or Stressed Plants (D1) (LRR A) Raised Ant Mounds (D6) (LRR A) Inundation Visible on Aerial Imagery (B7) Other (Explain in Remarks) Frost-Heave Hummocks (D7) Sparsely Vegetated Concave Surface (B8) Field Observations: Surface Water Present? Yes No Depth (inches): Water Table Present? Yes No Depth (inches): Saturation Present? Yes No Depth (inches): (includes capillary fringe) Wetland Hydrology Present? Yes No Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available: Remarks: No indicators of hydrology US Army Corps of Engineers Western Mountains, Valleys, and Coast – Version 2.0 WETLAND DETERMINATION DATA FORM – Western Mountains, Valleys, and Coast Region Project/Site: Olympic Terrace City/County: Port Ludlow Sampling Date:11/10/20 Applicant/Owner: West Harbor Homes State: WA Sampling Point: SP 2 Investigator(s): Will Russack & Annamaria Clark Section, Township, Range: S21. T28N. R1E Landform (hillslope, terrace, etc.): depression Local relief (concave, convex, none): concave Slope (%): 1-2 Subregion (LRR): Northwest forest Lat: 47.897027 Long: -122.678540 Datum: WGS84 Soil Map Unit Name: Indianola sandy loam NWI classification: R4SBC Are climatic / hydrologic conditions on the site typical for this time of year? Yes No (If no, explain in Remarks.) Are Vegetation , Soil , or Hydrology significantly disturbed? Are “Normal Circumstances” present? Yes No Are Vegetation , Soil , or Hydrology naturally problematic? (If needed, explain any answers in Remarks.) SUMMARY OF FINDINGS – Attach site map showing sampling point locations, transects, important features, etc. Hydrophytic Vegetation Present? Yes No Hydric Soil Present? Yes No Wetland Hydrology Present? Yes No Is the Sampled Area within a Wetland? Yes No Remarks: SP in southern end of wetland B (GPS 257) VEGETATION – Use scientific names of plants. Absolute Dominant Indicator Tree Stratum (Plot size: 5 m) % Cover Species? Status 1. Thuja plicata (western redcedar) 70 yes FAC 2. 3. 4. 70 = Total Cover Sapling/Shrub Stratum (Plot size: 3 m) 1. Gautheria shallon (salal) 10 yes FACU 2. Rubus spectabilis (salmonberry) 5 yes FAC 3. Sambucus racemosa (red elderberry) 2 no FACU 4. 5. 17 = Total Cover Herb Stratum (Plot size: 1 m) 1. Carex obnupta (slough sedge) 20 yes OBL 2. Oenanthe sarmentosa (water-parsley) 5 no OBL 3. Athyrium cyclosorum (lady fern) 5 no FAC 4. 5. 6. 7. 8. 9. 10. 11. 30 = Total Cover Woody Vine Stratum (Plot size: 3 m) 1. 2. 0 = Total Cover % Bare Ground in Herb Stratum 15 Dominance Test worksheet: Number of Dominant Species That Are OBL, FACW, or FAC: 3 (A) Total Number of Dominant Species Across All Strata: 4 (B) Percent of Dominant Species That Are OBL, FACW, or FAC: 75 (A/B) Prevalence Index worksheet: Total % Cover of: Multiply by: OBL species x 1 = FACW species x 2 = FAC species x 3 = FACU species x 4 = UPL species x 5 = Column Totals: (A) (B) Prevalence Index = B/A = Hydrophytic Vegetation Indicators: 1 - Rapid Test for Hydrophytic Vegetation 2 - Dominance Test is >50% 3 - Prevalence Index is ≤3.01 4 - Morphological Adaptations1 (Provide supporting data in Remarks or on a separate sheet) 5 - Wetland Non-Vascular Plants1 Problematic Hydrophytic Vegetation1 (Explain) 1Indicators of hydric soil and wetland hydrology must be present, unless disturbed or problematic. Hydrophytic Vegetation Present? Yes No Remarks: US Army Corps of Engineers Western Mountains, Valleys, and Coast – Version 2.0 SOIL Sampling Point: SP 2 Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.) Depth Matrix Redox Features (inches) Color (moist) % Color (moist) % Type1 Loc2 Texture Remarks 0-11 10YR 2/1 100 Si.L organic + plant material 11-15+ 2.5Y 4/2 90 10YR 4/6 10 C M Loamy sand 1Type: C=Concentration, D=Depletion, RM=Reduced Matrix, CS=Covered or Coated Sand Grains. 2Location: PL=Pore Lining, M=Matrix. Hydric Soil Indicators: (Applicable to all LRRs, unless otherwise noted.) Indicators for Problematic Hydric Soils3: Histosol (A1) Sandy Redox (S5) 2 cm Muck (A10) Histic Epipedon (A2) Stripped Matrix (S6) Red Parent Material (TF2) Black Histic (A3) Loamy Mucky Mineral (F1) (except MLRA 1) Very Shallow Dark Surface (TF12) Hydrogen Sulfide (A4) Loamy Gleyed Matrix (F2) Other (Explain in Remarks) Depleted Below Dark Surface (A11) Depleted Matrix (F3) Thick Dark Surface (A12) Redox Dark Surface (F6) 3Indicators of hydrophytic vegetation and Sandy Mucky Mineral (S1) Depleted Dark Surface (F7) wetland hydrology must be present, Sandy Gleyed Matrix (S4) Redox Depressions (F8) unless disturbed or problematic. Restrictive Layer (if present): Type: Depth (inches): Hydric Soil Present? Yes No Remarks: HYDROLOGY Wetland Hydrology Indicators: Primary Indicators (minimum of one required; check all that apply) Secondary Indicators (2 or more required) Surface Water (A1) Water-Stained Leaves (B9) (except MLRA Water-Stained Leaves (B9) (MLRA 1, 2, High Water Table (A2) 1, 2, 4A, and 4B) 4A, and 4B) Saturation (A3) Salt Crust (B11) Drainage Patterns (B10) Water Marks (B1) Aquatic Invertebrates (B13) Dry-Season Water Table (C2) Sediment Deposits (B2) Hydrogen Sulfide Odor (C1) Saturation Visible on Aerial Imagery (C9) Drift Deposits (B3) Oxidized Rhizospheres along Living Roots (C3) Geomorphic Position (D2) Algal Mat or Crust (B4) Presence of Reduced Iron (C4) Shallow Aquitard (D3) Iron Deposits (B5) Recent Iron Reduction in Tilled Soils (C6) FAC-Neutral Test (D5) Surface Soil Cracks (B6) Stunted or Stressed Plants (D1) (LRR A) Raised Ant Mounds (D6) (LRR A) Inundation Visible on Aerial Imagery (B7) Other (Explain in Remarks) Frost-Heave Hummocks (D7) Sparsely Vegetated Concave Surface (B8) Field Observations: Surface Water Present? Yes No Depth (inches): Water Table Present? Yes No Depth (inches): Saturation Present? Yes No Depth (inches): (includes capillary fringe) Wetland Hydrology Present? Yes No Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available: Remarks: US Army Corps of Engineers Western Mountains, Valleys, and Coast – Version 2.0 WETLAND DETERMINATION DATA FORM – Western Mountains, Valleys, and Coast Region Project/Site: Olympic Terrace City/County: Port Ludlow Sampling Date:11/10/20 Applicant/Owner: West Harbor Homes State: WA Sampling Point: SP 3 Investigator(s): Will Russack & Annamaria Clark Section, Township, Range: S21. T28N. R1E Landform (hillslope, terrace, etc.): depression Local relief (concave, convex, none): concave Slope (%): 1-2 Subregion (LRR): Northwest forest Lat: 47.897027 Long: -122.678540 Datum: WGS84 Soil Map Unit Name: Indianola sandy loam NWI classification: R4SBC Are climatic / hydrologic conditions on the site typical for this time of year? Yes No (If no, explain in Remarks.) Are Vegetation , Soil , or Hydrology significantly disturbed? Are “Normal Circumstances” present? Yes No Are Vegetation , Soil , or Hydrology naturally problematic? (If needed, explain any answers in Remarks.) SUMMARY OF FINDINGS – Attach site map showing sampling point locations, transects, important features, etc. Hydrophytic Vegetation Present? Yes No Hydric Soil Present? Yes No Wetland Hydrology Present? Yes No Is the Sampled Area within a Wetland? Yes No Remarks: SP south of of wetland B (GPS 258) VEGETATION – Use scientific names of plants. Absolute Dominant Indicator Tree Stratum (Plot size: 5 m) % Cover Species? Status 1. 2. 3. 4. 0 = Total Cover Sapling/Shrub Stratum (Plot size: 3 m) 1. Rubus spectabilis (salmonberry) 10 yes FAC 2. Rubus ursinus (trailing blackberry) 5 yes FACU 3. 4. 5. 15 = Total Cover Herb Stratum (Plot size: 1 m) 1. Agrostis sp. 40 yes FAC 2. Digitalis purperea (foxglove) 10 no FACU 3. Juncus effusus (common rush) 5 no FACW 4. Pteridium aquilinum (bracken fern) 5 no FACU 5. Cirsium arvense (Canada thistle) 3 no FAC 6. Hypochaeris radicata (hairy cat's ear) 3 no FACU 7. 8. 9. 10. 11. 66 = Total Cover Woody Vine Stratum (Plot size: 3 m) 1. 2. 0 = Total Cover % Bare Ground in Herb Stratum 5 Dominance Test worksheet: Number of Dominant Species That Are OBL, FACW, or FAC: 2 (A) Total Number of Dominant Species Across All Strata: 3 (B) Percent of Dominant Species That Are OBL, FACW, or FAC: 66 (A/B) Prevalence Index worksheet: Total % Cover of: Multiply by: OBL species x 1 = FACW species x 2 = FAC species x 3 = FACU species x 4 = UPL species x 5 = Column Totals: (A) (B) Prevalence Index = B/A = Hydrophytic Vegetation Indicators: 1 - Rapid Test for Hydrophytic Vegetation 2 - Dominance Test is >50% 3 - Prevalence Index is ≤3.01 4 - Morphological Adaptations1 (Provide supporting data in Remarks or on a separate sheet) 5 - Wetland Non-Vascular Plants1 Problematic Hydrophytic Vegetation1 (Explain) 1Indicators of hydric soil and wetland hydrology must be present, unless disturbed or problematic. Hydrophytic Vegetation Present? Yes No Remarks: US Army Corps of Engineers Western Mountains, Valleys, and Coast – Version 2.0 SOIL Sampling Point: SP 3 Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.) Depth Matrix Redox Features (inches) Color (moist) % Color (moist) % Type1 Loc2 Texture Remarks 0-16 10YR 3/3 100 SL cobbles 1Type: C=Concentration, D=Depletion, RM=Reduced Matrix, CS=Covered or Coated Sand Grains. 2Location: PL=Pore Lining, M=Matrix. Hydric Soil Indicators: (Applicable to all LRRs, unless otherwise noted.) Indicators for Problematic Hydric Soils3: Histosol (A1) Sandy Redox (S5) 2 cm Muck (A10) Histic Epipedon (A2) Stripped Matrix (S6) Red Parent Material (TF2) Black Histic (A3) Loamy Mucky Mineral (F1) (except MLRA 1) Very Shallow Dark Surface (TF12) Hydrogen Sulfide (A4) Loamy Gleyed Matrix (F2) Other (Explain in Remarks) Depleted Below Dark Surface (A11) Depleted Matrix (F3) Thick Dark Surface (A12) Redox Dark Surface (F6) 3Indicators of hydrophytic vegetation and Sandy Mucky Mineral (S1) Depleted Dark Surface (F7) wetland hydrology must be present, Sandy Gleyed Matrix (S4) Redox Depressions (F8) unless disturbed or problematic. Restrictive Layer (if present): Type: Depth (inches): Hydric Soil Present? Yes No Remarks: fire peds and charcoal present; no hydric soil indicators HYDROLOGY Wetland Hydrology Indicators: Primary Indicators (minimum of one required; check all that apply) Secondary Indicators (2 or more required) Surface Water (A1) Water-Stained Leaves (B9) (except MLRA Water-Stained Leaves (B9) (MLRA 1, 2, High Water Table (A2) 1, 2, 4A, and 4B) 4A, and 4B) Saturation (A3) Salt Crust (B11) Drainage Patterns (B10) Water Marks (B1) Aquatic Invertebrates (B13) Dry-Season Water Table (C2) Sediment Deposits (B2) Hydrogen Sulfide Odor (C1) Saturation Visible on Aerial Imagery (C9) Drift Deposits (B3) Oxidized Rhizospheres along Living Roots (C3) Geomorphic Position (D2) Algal Mat or Crust (B4) Presence of Reduced Iron (C4) Shallow Aquitard (D3) Iron Deposits (B5) Recent Iron Reduction in Tilled Soils (C6) FAC-Neutral Test (D5) Surface Soil Cracks (B6) Stunted or Stressed Plants (D1) (LRR A) Raised Ant Mounds (D6) (LRR A) Inundation Visible on Aerial Imagery (B7) Other (Explain in Remarks) Frost-Heave Hummocks (D7) Sparsely Vegetated Concave Surface (B8) Field Observations: Surface Water Present? Yes No Depth (inches): Water Table Present? Yes No Depth (inches): Saturation Present? Yes No Depth (inches): (includes capillary fringe) Wetland Hydrology Present? Yes No Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available: Remarks: minimal pore linings observed, no primary indicators of hydrology observed US Army Corps of Engineers Western Mountains, Valleys, and Coast – Version 2.0 WETLAND DETERMINATION DATA FORM – Western Mountains, Valleys, and Coast Region Project/Site: Olympic Terrace City/County: Port Ludlow Sampling Date:11/10/20 Applicant/Owner: West Harbor Homes State: WA Sampling Point: SP 4 Investigator(s): Will Russack & Annamaria Clark Section, Township, Range: S21. T28N. R1E Landform (hillslope, terrace, etc.): depression Local relief (concave, convex, none): convex Slope (%): 1-3 Subregion (LRR): Northwest forest Lat: 47.897027 Long: -122.678540 Datum: WGS84 Soil Map Unit Name: Indianola sandy loam NWI classification: R4SBC Are climatic / hydrologic conditions on the site typical for this time of year? Yes No (If no, explain in Remarks.) Are Vegetation , Soil , or Hydrology significantly disturbed? Are “Normal Circumstances” present? Yes No Are Vegetation , Soil , or Hydrology naturally problematic? (If needed, explain any answers in Remarks.) SUMMARY OF FINDINGS – Attach site map showing sampling point locations, transects, important features, etc. Hydrophytic Vegetation Present? Yes No Hydric Soil Present? Yes No Wetland Hydrology Present? Yes No Is the Sampled Area within a Wetland? Yes No Remarks: SP west edge of plot 15, south of wetland B (GPS 801) VEGETATION – Use scientific names of plants. Absolute Dominant Indicator Tree Stratum (Plot size: 5 m) % Cover Species? Status 1. Thuja plicata (western red cedar) 60 yes FAC 2. 3. 4. 60 = Total Cover Sapling/Shrub Stratum (Plot size: 3 m) 1. Rubus spectabilis (salmonberry) 90 yes FAC 2. 3. 4. 5. 90 = Total Cover Herb Stratum (Plot size: 1 m) 1. Oenanthe sarmentosa (water parsley) 10 yes OBL 2. Athyrium cyclosorum (lady fern) 10 yes FAC 3. Sambucus racemosa (red elderberry) 3 no FAC 4. Carex obnupta (slough sedge) 1 no OBL 5. 6. 7. 8. 9. 10. 11. 24 = Total Cover Woody Vine Stratum (Plot size: 3 m) 1. 2. 0 = Total Cover % Bare Ground in Herb Stratum 5 Dominance Test worksheet: Number of Dominant Species That Are OBL, FACW, or FAC: 4 (A) Total Number of Dominant Species Across All Strata: 4 (B) Percent of Dominant Species That Are OBL, FACW, or FAC: 100 (A/B) Prevalence Index worksheet: Total % Cover of: Multiply by: OBL species x 1 = FACW species x 2 = FAC species x 3 = FACU species x 4 = UPL species x 5 = Column Totals: (A) (B) Prevalence Index = B/A = Hydrophytic Vegetation Indicators: 1 - Rapid Test for Hydrophytic Vegetation 2 - Dominance Test is >50% 3 - Prevalence Index is ≤3.01 4 - Morphological Adaptations1 (Provide supporting data in Remarks or on a separate sheet) 5 - Wetland Non-Vascular Plants1 Problematic Hydrophytic Vegetation1 (Explain) 1Indicators of hydric soil and wetland hydrology must be present, unless disturbed or problematic. Hydrophytic Vegetation Present? Yes No Remarks: US Army Corps of Engineers Western Mountains, Valleys, and Coast – Version 2.0 SOIL Sampling Point: SP 4 Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.) Depth Matrix Redox Features (inches) Color (moist) % Color (moist) % Type1 Loc2 Texture Remarks 0-2 10YR 2/1 100 SL some organic material 2-6 10YR 2/1 100 SL mixed matrix 6-14+ 10YR 4/3 90 10YR 4/6 10 C M SL 1Type: C=Concentration, D=Depletion, RM=Reduced Matrix, CS=Covered or Coated Sand Grains. 2Location: PL=Pore Lining, M=Matrix. Hydric Soil Indicators: (Applicable to all LRRs, unless otherwise noted.) Indicators for Problematic Hydric Soils3: Histosol (A1) Sandy Redox (S5) 2 cm Muck (A10) Histic Epipedon (A2) Stripped Matrix (S6) Red Parent Material (TF2) Black Histic (A3) Loamy Mucky Mineral (F1) (except MLRA 1) Very Shallow Dark Surface (TF12) Hydrogen Sulfide (A4) Loamy Gleyed Matrix (F2) Other (Explain in Remarks) Depleted Below Dark Surface (A11) Depleted Matrix (F3) Thick Dark Surface (A12) Redox Dark Surface (F6) 3Indicators of hydrophytic vegetation and Sandy Mucky Mineral (S1) Depleted Dark Surface (F7) wetland hydrology must be present, Sandy Gleyed Matrix (S4) Redox Depressions (F8) unless disturbed or problematic. Restrictive Layer (if present): Type: Depth (inches): Hydric Soil Present? Yes No Remarks: no indicators of hydric soils HYDROLOGY Wetland Hydrology Indicators: Primary Indicators (minimum of one required; check all that apply) Secondary Indicators (2 or more required) Surface Water (A1) Water-Stained Leaves (B9) (except MLRA Water-Stained Leaves (B9) (MLRA 1, 2, High Water Table (A2) 1, 2, 4A, and 4B) 4A, and 4B) Saturation (A3) Salt Crust (B11) Drainage Patterns (B10) Water Marks (B1) Aquatic Invertebrates (B13) Dry-Season Water Table (C2) Sediment Deposits (B2) Hydrogen Sulfide Odor (C1) Saturation Visible on Aerial Imagery (C9) Drift Deposits (B3) Oxidized Rhizospheres along Living Roots (C3) Geomorphic Position (D2) Algal Mat or Crust (B4) Presence of Reduced Iron (C4) Shallow Aquitard (D3) Iron Deposits (B5) Recent Iron Reduction in Tilled Soils (C6) FAC-Neutral Test (D5) Surface Soil Cracks (B6) Stunted or Stressed Plants (D1) (LRR A) Raised Ant Mounds (D6) (LRR A) Inundation Visible on Aerial Imagery (B7) Other (Explain in Remarks) Frost-Heave Hummocks (D7) Sparsely Vegetated Concave Surface (B8) Field Observations: Surface Water Present? Yes No Depth (inches): Water Table Present? Yes No Depth (inches): Saturation Present? Yes No Depth (inches): (includes capillary fringe) Wetland Hydrology Present? Yes No Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available: Remarks: no indicators of hydrology observed US Army Corps of Engineers Western Mountains, Valleys, and Coast – Version 2.0 WETLAND DETERMINATION DATA FORM – Western Mountains, Valleys, and Coast Region Project/Site: Olympic Terrace City/County: Port Ludlow Sampling Date:11/10/20 Applicant/Owner: West Harbor Homes State: WA Sampling Point: SP 5 Investigator(s): Will Russack & Annamaria Clark Section, Township, Range: S21. T28N. R1E Landform (hillslope, terrace, etc.): depression Local relief (concave, convex, none): concave Slope (%): 1-3 Subregion (LRR): Northwest forest Lat: 47.897027 Long: -122.678540 Datum: WGS84 Soil Map Unit Name: Indianola sandy loam NWI classification: R4SBC Are climatic / hydrologic conditions on the site typical for this time of year? Yes No (If no, explain in Remarks.) Are Vegetation , Soil , or Hydrology significantly disturbed? Are “Normal Circumstances” present? Yes No Are Vegetation , Soil , or Hydrology naturally problematic? (If needed, explain any answers in Remarks.) SUMMARY OF FINDINGS – Attach site map showing sampling point locations, transects, important features, etc. Hydrophytic Vegetation Present? Yes No Hydric Soil Present? Yes No Wetland Hydrology Present? Yes No Is the Sampled Area within a Wetland? Yes No Remarks: SP in eastern portion of Wetland B (GPS 811) VEGETATION – Use scientific names of plants. Absolute Dominant Indicator Tree Stratum (Plot size: 5 m) % Cover Species? Status 1. Alnus rubra (red alder) 50 yes FAC 2. Thuja plicata (western red cedar) 10 no FAC 3. 4. 60 = Total Cover Sapling/Shrub Stratum (Plot size: 3 m) 1. Salix lasiandra (Pacific willow) 40 yes FACW 2. Spiraea douglasii (spiraea) 30 yes FACW 3. Rubus spectabilis (salmonberry) 10 no FAC 4. 5. 80 = Total Cover Herb Stratum (Plot size: 1 m) 1. Oenanthe sarmentosa (water parsley) 30 yes OBL 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 30 = Total Cover Woody Vine Stratum (Plot size: 3 m) 1. 2. 0 = Total Cover % Bare Ground in Herb Stratum 50 Dominance Test worksheet: Number of Dominant Species That Are OBL, FACW, or FAC: 4 (A) Total Number of Dominant Species Across All Strata: 4 (B) Percent of Dominant Species That Are OBL, FACW, or FAC: 100 (A/B) Prevalence Index worksheet: Total % Cover of: Multiply by: OBL species x 1 = FACW species x 2 = FAC species x 3 = FACU species x 4 = UPL species x 5 = Column Totals: (A) (B) Prevalence Index = B/A = Hydrophytic Vegetation Indicators: 1 - Rapid Test for Hydrophytic Vegetation 2 - Dominance Test is >50% 3 - Prevalence Index is ≤3.01 4 - Morphological Adaptations1 (Provide supporting data in Remarks or on a separate sheet) 5 - Wetland Non-Vascular Plants1 Problematic Hydrophytic Vegetation1 (Explain) 1Indicators of hydric soil and wetland hydrology must be present, unless disturbed or problematic. Hydrophytic Vegetation Present? Yes No Remarks: US Army Corps of Engineers Western Mountains, Valleys, and Coast – Version 2.0 SOIL Sampling Point: SP 5 Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.) Depth Matrix Redox Features (inches) Color (moist) % Color (moist) % Type1 Loc2 Texture Remarks 0-14 10YR 2/1 100 Loam Muck 1Type: C=Concentration, D=Depletion, RM=Reduced Matrix, CS=Covered or Coated Sand Grains. 2Location: PL=Pore Lining, M=Matrix. Hydric Soil Indicators: (Applicable to all LRRs, unless otherwise noted.) Indicators for Problematic Hydric Soils3: Histosol (A1) Sandy Redox (S5) 2 cm Muck (A10) Histic Epipedon (A2) Stripped Matrix (S6) Red Parent Material (TF2) Black Histic (A3) Loamy Mucky Mineral (F1) (except MLRA 1) Very Shallow Dark Surface (TF12) Hydrogen Sulfide (A4) Loamy Gleyed Matrix (F2) Other (Explain in Remarks) Depleted Below Dark Surface (A11) Depleted Matrix (F3) Thick Dark Surface (A12) Redox Dark Surface (F6) 3Indicators of hydrophytic vegetation and Sandy Mucky Mineral (S1) Depleted Dark Surface (F7) wetland hydrology must be present, Sandy Gleyed Matrix (S4) Redox Depressions (F8) unless disturbed or problematic. Restrictive Layer (if present): Type: Depth (inches): Hydric Soil Present? Yes No Remarks: HYDROLOGY Wetland Hydrology Indicators: Primary Indicators (minimum of one required; check all that apply) Secondary Indicators (2 or more required) Surface Water (A1) Water-Stained Leaves (B9) (except MLRA Water-Stained Leaves (B9) (MLRA 1, 2, High Water Table (A2) 1, 2, 4A, and 4B) 4A, and 4B) Saturation (A3) Salt Crust (B11) Drainage Patterns (B10) Water Marks (B1) Aquatic Invertebrates (B13) Dry-Season Water Table (C2) Sediment Deposits (B2) Hydrogen Sulfide Odor (C1) Saturation Visible on Aerial Imagery (C9) Drift Deposits (B3) Oxidized Rhizospheres along Living Roots (C3) Geomorphic Position (D2) Algal Mat or Crust (B4) Presence of Reduced Iron (C4) Shallow Aquitard (D3) Iron Deposits (B5) Recent Iron Reduction in Tilled Soils (C6) FAC-Neutral Test (D5) Surface Soil Cracks (B6) Stunted or Stressed Plants (D1) (LRR A) Raised Ant Mounds (D6) (LRR A) Inundation Visible on Aerial Imagery (B7) Other (Explain in Remarks) Frost-Heave Hummocks (D7) Sparsely Vegetated Concave Surface (B8) Field Observations: Surface Water Present? Yes No Depth (inches): Water Table Present? Yes No Depth (inches): Saturation Present? Yes No Depth (inches): 10 (includes capillary fringe) Wetland Hydrology Present? Yes No Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available: Remarks: US Army Corps of Engineers Western Mountains, Valleys, and Coast – Version 2.0 WETLAND DETERMINATION DATA FORM – Western Mountains, Valleys, and Coast Region Project/Site: Olympic Terrace City/County: Port Ludlow Sampling Date:11/10/20 Applicant/Owner: West Harbor Homes State: WA Sampling Point: SP 6 Investigator(s): Will Russack & Annamaria Clark Section, Township, Range: S21. T28N. R1E Landform (hillslope, terrace, etc.): depression Local relief (concave, convex, none): concave Slope (%): 3-5 Subregion (LRR): Northwest forest Lat: 47.897027 Long: -122.678540 Datum: WGS84 Soil Map Unit Name: Indianola sandy loam NWI classification: R4SBC Are climatic / hydrologic conditions on the site typical for this time of year? Yes No (If no, explain in Remarks.) Are Vegetation , Soil , or Hydrology significantly disturbed? Are “Normal Circumstances” present? Yes No Are Vegetation , Soil , or Hydrology naturally problematic? (If needed, explain any answers in Remarks.) SUMMARY OF FINDINGS – Attach site map showing sampling point locations, transects, important features, etc. Hydrophytic Vegetation Present? Yes No Hydric Soil Present? Yes No Wetland Hydrology Present? Yes No Is the Sampled Area within a Wetland? Yes No Remarks: SP east of Wetland B (GPS 813) VEGETATION – Use scientific names of plants. Absolute Dominant Indicator Tree Stratum (Plot size: 5 m) % Cover Species? Status 1. Thuja plicata (western red cedar) 80 yes FAC 2. Alnus rubra (red alder) 10 no FAC 3. Pseudotsuga menziesii (Douglas fir) 5 no FACU 4. 95 = Total Cover Sapling/Shrub Stratum (Plot size: 3 m) 1. Vaccinum parvifolium (red huckleberry) 40 yes FACU 2. Gaultheria shallon (salal) 5 no FACU 3. 4. 5. 45 = Total Cover Herb Stratum (Plot size: 1 m) 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 0 = Total Cover Woody Vine Stratum (Plot size: 3 m) 1. 2. 0 = Total Cover % Bare Ground in Herb Stratum 30 Dominance Test worksheet: Number of Dominant Species That Are OBL, FACW, or FAC: 1 (A) Total Number of Dominant Species Across All Strata: 2 (B) Percent of Dominant Species That Are OBL, FACW, or FAC: 50 (A/B) Prevalence Index worksheet: Total % Cover of: Multiply by: OBL species 0 x 1 = 0 FACW species 0 x 2 = 0 FAC species 90 x 3 = 270 FACU species 50 x 4 = 200 UPL species 0 x 5 = 0 Column Totals: 140 (A) 470 (B) Prevalence Index = B/A = 3.36 Hydrophytic Vegetation Indicators: 1 - Rapid Test for Hydrophytic Vegetation 2 - Dominance Test is >50% 3 - Prevalence Index is ≤3.01 4 - Morphological Adaptations1 (Provide supporting data in Remarks or on a separate sheet) 5 - Wetland Non-Vascular Plants1 Problematic Hydrophytic Vegetation1 (Explain) 1Indicators of hydric soil and wetland hydrology must be present, unless disturbed or problematic. Hydrophytic Vegetation Present? Yes No Remarks: US Army Corps of Engineers Western Mountains, Valleys, and Coast – Version 2.0 SOIL Sampling Point: SP 6 Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.) Depth Matrix Redox Features (inches) Color (moist) % Color (moist) % Type1 Loc2 Texture Remarks 0-6 10YR 2/2 100 S.L 6-12+ 10YR 3/2 100 S.L 1Type: C=Concentration, D=Depletion, RM=Reduced Matrix, CS=Covered or Coated Sand Grains. 2Location: PL=Pore Lining, M=Matrix. Hydric Soil Indicators: (Applicable to all LRRs, unless otherwise noted.) Indicators for Problematic Hydric Soils3: Histosol (A1) Sandy Redox (S5) 2 cm Muck (A10) Histic Epipedon (A2) Stripped Matrix (S6) Red Parent Material (TF2) Black Histic (A3) Loamy Mucky Mineral (F1) (except MLRA 1) Very Shallow Dark Surface (TF12) Hydrogen Sulfide (A4) Loamy Gleyed Matrix (F2) Other (Explain in Remarks) Depleted Below Dark Surface (A11) Depleted Matrix (F3) Thick Dark Surface (A12) Redox Dark Surface (F6) 3Indicators of hydrophytic vegetation and Sandy Mucky Mineral (S1) Depleted Dark Surface (F7) wetland hydrology must be present, Sandy Gleyed Matrix (S4) Redox Depressions (F8) unless disturbed or problematic. Restrictive Layer (if present): Type: Depth (inches): Hydric Soil Present? Yes No Remarks: no indicators of hydric soils HYDROLOGY Wetland Hydrology Indicators: Primary Indicators (minimum of one required; check all that apply) Secondary Indicators (2 or more required) Surface Water (A1) Water-Stained Leaves (B9) (except MLRA Water-Stained Leaves (B9) (MLRA 1, 2, High Water Table (A2) 1, 2, 4A, and 4B) 4A, and 4B) Saturation (A3) Salt Crust (B11) Drainage Patterns (B10) Water Marks (B1) Aquatic Invertebrates (B13) Dry-Season Water Table (C2) Sediment Deposits (B2) Hydrogen Sulfide Odor (C1) Saturation Visible on Aerial Imagery (C9) Drift Deposits (B3) Oxidized Rhizospheres along Living Roots (C3) Geomorphic Position (D2) Algal Mat or Crust (B4) Presence of Reduced Iron (C4) Shallow Aquitard (D3) Iron Deposits (B5) Recent Iron Reduction in Tilled Soils (C6) FAC-Neutral Test (D5) Surface Soil Cracks (B6) Stunted or Stressed Plants (D1) (LRR A) Raised Ant Mounds (D6) (LRR A) Inundation Visible on Aerial Imagery (B7) Other (Explain in Remarks) Frost-Heave Hummocks (D7) Sparsely Vegetated Concave Surface (B8) Field Observations: Surface Water Present? Yes No Depth (inches): Water Table Present? Yes No Depth (inches): Saturation Present? Yes No Depth (inches): (includes capillary fringe) Wetland Hydrology Present? Yes No Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available: Remarks: no indicators of hydrology observed US Army Corps of Engineers Western Mountains, Valleys, and Coast – Version 2.0 WETLAND DETERMINATION DATA FORM – Western Mountains, Valleys, and Coast Region Project/Site: Olympic Terrace City/County: Port Ludlow Sampling Date:11/10/20 Applicant/Owner: West Harbor Homes State: WA Sampling Point: SP 7 Investigator(s): Will Russack & Annamaria Clark Section, Township, Range: S21. T28N. R1E Landform (hillslope, terrace, etc.): depression Local relief (concave, convex, none): concave Slope (%): 1-2 Subregion (LRR): Northwest forest Lat: 47.897027 Long: -122.678540 Datum: WGS84 Soil Map Unit Name: Indianola sandy loam NWI classification: R4SBC Are climatic / hydrologic conditions on the site typical for this time of year? Yes No (If no, explain in Remarks.) Are Vegetation , Soil , or Hydrology significantly disturbed? Are “Normal Circumstances” present? Yes No Are Vegetation , Soil , or Hydrology naturally problematic? (If needed, explain any answers in Remarks.) SUMMARY OF FINDINGS – Attach site map showing sampling point locations, transects, important features, etc. Hydrophytic Vegetation Present? Yes No Hydric Soil Present? Yes No Wetland Hydrology Present? Yes No Is the Sampled Area within a Wetland? Yes No Remarks: SP in wetland B, west side (GPS 279) VEGETATION – Use scientific names of plants. Absolute Dominant Indicator Tree Stratum (Plot size: 5 m) % Cover Species? Status 1. Alnus rubra (red alder) 40 yes FAC 2. Thuja plicata (western red cedar) 10 yes FAC 3. 4. 50 = Total Cover Sapling/Shrub Stratum (Plot size: 3 m) 1. Rubus spectabilis (salmonberry) 20 yes FAC 2. 3. 4. 5. 20 = Total Cover Herb Stratum (Plot size: 1 m) 1. Oenanthe sarmentosa (water parsley) 5 yes OBL 2. Athyrium cyclosorum (lady fern) 3 yes FAC 3. Carex obnupta (slough sedge) 1 no OBL 4. 5. 6. 7. 8. 9. 10. 11. 9 = Total Cover Woody Vine Stratum (Plot size: ) 1. 2. = Total Cover % Bare Ground in Herb Stratum 20 Dominance Test worksheet: Number of Dominant Species That Are OBL, FACW, or FAC: 5 (A) Total Number of Dominant Species Across All Strata: 5 (B) Percent of Dominant Species That Are OBL, FACW, or FAC: 50 (A/B) Prevalence Index worksheet: Total % Cover of: Multiply by: OBL species x 1 = FACW species x 2 = FAC species x 3 = FACU species x 4 = UPL species x 5 = Column Totals: (A) (B) Prevalence Index = B/A = Hydrophytic Vegetation Indicators: 1 - Rapid Test for Hydrophytic Vegetation 2 - Dominance Test is >50% 3 - Prevalence Index is ≤3.01 4 - Morphological Adaptations1 (Provide supporting data in Remarks or on a separate sheet) 5 - Wetland Non-Vascular Plants1 Problematic Hydrophytic Vegetation1 (Explain) 1Indicators of hydric soil and wetland hydrology must be present, unless disturbed or problematic. Hydrophytic Vegetation Present? Yes No Remarks: US Army Corps of Engineers Western Mountains, Valleys, and Coast – Version 2.0 SOIL Sampling Point: SP 7 Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.) Depth Matrix Redox Features (inches) Color (moist) % Color (moist) % Type1 Loc2 Texture Remarks 0-3 2.5Y 3/1 100 L.S 3-12+ 2.5Y 4/2 97 10YR 4/4 3 C M L.S fire ped inclusions 1Type: C=Concentration, D=Depletion, RM=Reduced Matrix, CS=Covered or Coated Sand Grains. 2Location: PL=Pore Lining, M=Matrix. Hydric Soil Indicators: (Applicable to all LRRs, unless otherwise noted.) Indicators for Problematic Hydric Soils3: Histosol (A1) Sandy Redox (S5) 2 cm Muck (A10) Histic Epipedon (A2) Stripped Matrix (S6) Red Parent Material (TF2) Black Histic (A3) Loamy Mucky Mineral (F1) (except MLRA 1) Very Shallow Dark Surface (TF12) Hydrogen Sulfide (A4) Loamy Gleyed Matrix (F2) Other (Explain in Remarks) Depleted Below Dark Surface (A11) Depleted Matrix (F3) Thick Dark Surface (A12) Redox Dark Surface (F6) 3Indicators of hydrophytic vegetation and Sandy Mucky Mineral (S1) Depleted Dark Surface (F7) wetland hydrology must be present, Sandy Gleyed Matrix (S4) Redox Depressions (F8) unless disturbed or problematic. Restrictive Layer (if present): Type: Depth (inches): Hydric Soil Present? Yes No Remarks: HYDROLOGY Wetland Hydrology Indicators: Primary Indicators (minimum of one required; check all that apply) Secondary Indicators (2 or more required) Surface Water (A1) Water-Stained Leaves (B9) (except MLRA Water-Stained Leaves (B9) (MLRA 1, 2, High Water Table (A2) 1, 2, 4A, and 4B) 4A, and 4B) Saturation (A3) Salt Crust (B11) Drainage Patterns (B10) Water Marks (B1) Aquatic Invertebrates (B13) Dry-Season Water Table (C2) Sediment Deposits (B2) Hydrogen Sulfide Odor (C1) Saturation Visible on Aerial Imagery (C9) Drift Deposits (B3) Oxidized Rhizospheres along Living Roots (C3) Geomorphic Position (D2) Algal Mat or Crust (B4) Presence of Reduced Iron (C4) Shallow Aquitard (D3) Iron Deposits (B5) Recent Iron Reduction in Tilled Soils (C6) FAC-Neutral Test (D5) Surface Soil Cracks (B6) Stunted or Stressed Plants (D1) (LRR A) Raised Ant Mounds (D6) (LRR A) Inundation Visible on Aerial Imagery (B7) Other (Explain in Remarks) Frost-Heave Hummocks (D7) Sparsely Vegetated Concave Surface (B8) Field Observations: Surface Water Present? Yes No Depth (inches): Water Table Present? Yes No Depth (inches): Saturation Present? Yes No Depth (inches): (includes capillary fringe) Wetland Hydrology Present? Yes No Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available: Remarks: US Army Corps of Engineers Western Mountains, Valleys, and Coast – Version 2.0 WETLAND DETERMINATION DATA FORM – Western Mountains, Valleys, and Coast Region Project/Site: Olympic Terrace City/County: Port Ludlow Sampling Date:11/10/20 Applicant/Owner: West Harbor Homes State: WA Sampling Point: SP 8 Investigator(s): Will Russack & Annamaria Clark Section, Township, Range: S21. T28N. R1E Landform (hillslope, terrace, etc.): depression Local relief (concave, convex, none): concave Slope (%): 3-5 Subregion (LRR): Northwest forest Lat: 47.897027 Long: -122.678540 Datum: WGS84 Soil Map Unit Name: Indianola sandy loam NWI classification: R4SBC Are climatic / hydrologic conditions on the site typical for this time of year? Yes No (If no, explain in Remarks.) Are Vegetation , Soil , or Hydrology significantly disturbed? Are “Normal Circumstances” present? Yes No Are Vegetation , Soil , or Hydrology naturally problematic? (If needed, explain any answers in Remarks.) SUMMARY OF FINDINGS – Attach site map showing sampling point locations, transects, important features, etc. Hydrophytic Vegetation Present? Yes No Hydric Soil Present? Yes No Wetland Hydrology Present? Yes No Is the Sampled Area within a Wetland? Yes No Remarks: SP west of Wetland B (GPS 281) VEGETATION – Use scientific names of plants. Absolute Dominant Indicator Tree Stratum (Plot size: 5 m) % Cover Species? Status 1. Pseudotsuga menziesii (Douglas fir) 60 yes FACU 2. Prunus sp. (cherry) 5 no FAC 3. 4. 65 = Total Cover Sapling/Shrub Stratum (Plot size: 3 m) 1. Vaccinium pavifolium (red huckleberry) 15 yes FACU 2. Vaccinium sp. 10 yes FACU 3. Gaultheria shallon (salal) 5 no FACU 4. 5. 30 = Total Cover Herb Stratum (Plot size: 1 m) 1. Polystichum munitum (sword fern) 30 yes FACU 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 30 = Total Cover Woody Vine Stratum (Plot size: 3 m) 1. 2. 0 = Total Cover % Bare Ground in Herb Stratum 20 Dominance Test worksheet: Number of Dominant Species That Are OBL, FACW, or FAC: 0 (A) Total Number of Dominant Species Across All Strata: 4 (B) Percent of Dominant Species That Are OBL, FACW, or FAC: 0 (A/B) Prevalence Index worksheet: Total % Cover of: Multiply by: OBL species x 1 = FACW species x 2 = FAC species x 3 = FACU species x 4 = UPL species x 5 = Column Totals: (A) (B) Prevalence Index = B/A = Hydrophytic Vegetation Indicators: 1 - Rapid Test for Hydrophytic Vegetation 2 - Dominance Test is >50% 3 - Prevalence Index is ≤3.01 4 - Morphological Adaptations1 (Provide supporting data in Remarks or on a separate sheet) 5 - Wetland Non-Vascular Plants1 Problematic Hydrophytic Vegetation1 (Explain) 1Indicators of hydric soil and wetland hydrology must be present, unless disturbed or problematic. Hydrophytic Vegetation Present? Yes No Remarks: US Army Corps of Engineers Western Mountains, Valleys, and Coast – Version 2.0 SOIL Sampling Point: SP 8 Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.) Depth Matrix Redox Features (inches) Color (moist) % Color (moist) % Type1 Loc2 Texture Remarks 0-12 10YR 4/2 100 Gr.S.L 1Type: C=Concentration, D=Depletion, RM=Reduced Matrix, CS=Covered or Coated Sand Grains. 2Location: PL=Pore Lining, M=Matrix. Hydric Soil Indicators: (Applicable to all LRRs, unless otherwise noted.) Indicators for Problematic Hydric Soils3: Histosol (A1) Sandy Redox (S5) 2 cm Muck (A10) Histic Epipedon (A2) Stripped Matrix (S6) Red Parent Material (TF2) Black Histic (A3) Loamy Mucky Mineral (F1) (except MLRA 1) Very Shallow Dark Surface (TF12) Hydrogen Sulfide (A4) Loamy Gleyed Matrix (F2) Other (Explain in Remarks) Depleted Below Dark Surface (A11) Depleted Matrix (F3) Thick Dark Surface (A12) Redox Dark Surface (F6) 3Indicators of hydrophytic vegetation and Sandy Mucky Mineral (S1) Depleted Dark Surface (F7) wetland hydrology must be present, Sandy Gleyed Matrix (S4) Redox Depressions (F8) unless disturbed or problematic. Restrictive Layer (if present): Type: Depth (inches): Hydric Soil Present? Yes No Remarks: no indicators of hydric soils observed HYDROLOGY Wetland Hydrology Indicators: Primary Indicators (minimum of one required; check all that apply) Secondary Indicators (2 or more required) Surface Water (A1) Water-Stained Leaves (B9) (except MLRA Water-Stained Leaves (B9) (MLRA 1, 2, High Water Table (A2) 1, 2, 4A, and 4B) 4A, and 4B) Saturation (A3) Salt Crust (B11) Drainage Patterns (B10) Water Marks (B1) Aquatic Invertebrates (B13) Dry-Season Water Table (C2) Sediment Deposits (B2) Hydrogen Sulfide Odor (C1) Saturation Visible on Aerial Imagery (C9) Drift Deposits (B3) Oxidized Rhizospheres along Living Roots (C3) Geomorphic Position (D2) Algal Mat or Crust (B4) Presence of Reduced Iron (C4) Shallow Aquitard (D3) Iron Deposits (B5) Recent Iron Reduction in Tilled Soils (C6) FAC-Neutral Test (D5) Surface Soil Cracks (B6) Stunted or Stressed Plants (D1) (LRR A) Raised Ant Mounds (D6) (LRR A) Inundation Visible on Aerial Imagery (B7) Other (Explain in Remarks) Frost-Heave Hummocks (D7) Sparsely Vegetated Concave Surface (B8) Field Observations: Surface Water Present? Yes No Depth (inches): Water Table Present? Yes No Depth (inches): Saturation Present? Yes No Depth (inches): (includes capillary fringe) Wetland Hydrology Present? Yes No Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available: Remarks: no indicators of wetland hydrolog observed APPENDIX B WDOE (Hruby 2014) Wetland rating form Wetland name or number ______ Wetland Rating System for Western WA: 2014 Update 1 Rating Form Effective January 1, 2015 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 RATING SUMMARY Western Washington Name of wetland (or ID #): _________________________________ Date of site visit: _____ Rated by____________________________ Trained by Ecology?__ Yes ___No Date of training______ HGM Class used for rating_________________ Wetland has multiple HGM classes?___Y ____N NOTE: Form is not complete without the figures requested (figures can be combined). Source of base aerial photo/map ______________________________________ OVERALL WETLAND CATEGORY ____ (based on functions___ or special characteristics___) 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 FUNCTION Improving Water Quality Hydrologic Habitat Circle the appropriate ratings Site Potential H M L H M L H M L Landscape Potential H M L H M L H M L Value H M L H M L H M L TOTAL Score Based on Ratings 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 H M LH M L H M L H M L H M L H M L H M L M L H M L H M L Wetland name or number ______ Wetland Rating System for Western WA: 2014 Update 2 Rating Form Effective January 1, 2015 Maps and figures required to answer questions correctly for Western Washington Depressional Wetlands Map of: To answer questions: 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 hydroperiods) 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 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) 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 Map 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 figure) 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 Map 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 Screen capture of map of 303(d) listed waters in basin (from Ecology website) L 3.1, L 3.2 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 S 1.3 Plant cover of dense, rigid trees, shrubs, and herbaceous plants (can be added to figure above) S 4.1 Boundary of 150 ft buffer (can be added to another figure) S 2.1, S 5.1 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) S 3.3 Wetland name or number ______ Wetland Rating System for Western WA: 2014 Update 3 Rating Form Effective January 1, 2015 HGM Classification of Wetlands in Western Washington 1.Are the water levels in the entire unit usually controlled by tides except during floods? NO go to 2 YES the wetland class is Tidal Fringe go to 1.1 1.1 Is the salinity of the water during periods of annual low flow below 0.5 ppt (parts per thousand)? NO Saltwater Tidal Fringe (Estuarine) YES Freshwater Tidal Fringe If your wetland can be classified as a Freshwater Tidal Fringe use the forms for Riverine wetlands. If it is Saltwater Tidal Fringe it is an Estuarine wetland and is not scored. This method cannot be used to score functions for estuarine wetlands. 2.The entire wetland unit is flat and precipitation is the only source (>90%) of water to it. Groundwater and surface water runoff are NOT sources of water to the unit. NO go to 3 YES The wetland class is Flats If your wetland can be classified as a Flats wetland, use the form for Depressional wetlands. 3.Does the entire wetland unit meet all of the following criteria? ___The vegetated part of the wetland is on the shores of a body of permanent open water (without any plants on the surface at any time of the year) at least 20 ac (8 ha) in size; ___At least 30% of the open water area is deeper than 6.6 ft (2 m). NO go to 4 YES The wetland class is Lake Fringe (Lacustrine Fringe) 4.Does the entire wetland unit meet all of the following criteria? ____The wetland is on a slope (slope can be very gradual), ____The water flows through the wetland in one direction (unidirectional) and usually comes from seeps. It may flow subsurface, as sheetflow, or in a swale without distinct banks, ____The water leaves the wetland without being impounded. NO go to 5 YES The wetland class is Slope NOTE: Surface water does not pond in these type of wetlands except occasionally in very small and shallow depressions or behind hummocks (depressions are usually <3 ft diameter and less than 1 ft deep). 5.Does the entire wetland unit meet all of the following criteria? ____The unit is in a valley, or stream channel, where it gets inundated by overbank flooding from that stream or river, ____The overbank flooding occurs at least once every 2 years. For questions 1-7, the criteria described must apply to the entire unit being rated. If the hydrologic criteria listed in each question do not apply to the entire unit being rated, you probably have a unit with multiple HGM classes. In this case, identify which hydrologic criteria in questions 1-7 apply, and go to Question 8. Wetland name or number ______ Wetland Rating System for Western WA: 2014 Update 4 Rating Form Effective January 1, 2015 NO go to 6 YES The wetland class is Riverine NOTE: The Riverine unit can contain depressions that are filled with water when the river is not flooding 6. Is the entire wetland unit in a topographic depression in which water ponds, or is saturated to the surface, at some time during the year? This means that any outlet, if present, is higher than the interior of the wetland. NO go to 7 YES The wetland class is Depressional 7.Is the entire wetland unit located in a very flat area with no obvious depression and no overbank flooding? The unit does not pond surface water more than a few inches. The unit seems to be maintained by high groundwater in the area. The wetland may be ditched, but has no obvious natural outlet. NO go to 8 YES The wetland class is Depressional 8.Your wetland unit seems to be difficult to classify and probably contains several different HGM classes. For example, seeps at the base of a slope may grade into a riverine floodplain, or a small stream within a Depressional wetland has a zone of flooding along its sides. GO BACK AND IDENTIFY WHICH OF THE HYDROLOGIC REGIMES DESCRIBED IN QUESTIONS 1-7 APPLY TO DIFFERENT AREAS IN THE UNIT (make a rough sketch to help you decide). Use the following table to identify the appropriate class to use for the rating system if you have several HGM classes present within the wetland unit being scored. NOTE: Use this table only if the class that is recommended in the second column represents 10% or more of the total area of the wetland unit being rated. If the area of the HGM class listed in column 2 is less than 10% of the unit; classify the wetland using the class that represents more than 90% of the total area. HGM classes within the wetland unit being rated HGM class to use in rating Slope + Riverine Riverine Slope + Depressional Depressional Slope + Lake Fringe Lake Fringe Depressional + Riverine along stream within boundary of depression Depressional Depressional + Lake Fringe Depressional Riverine + Lake Fringe Riverine Salt Water Tidal Fringe and any other class of freshwater wetland Treat as ESTUARINE If you are still unable to determine which of the above criteria apply to your wetland, or if you have more than 2 HGM classes within a wetland boundary, classify the wetland as Depressional for the rating. Wetland name or number ______ Wetland Rating System for Western WA: 2014 Update 5 Rating Form Effective January 1, 2015 DEPRESSIONAL AND FLATS WETLANDS Water Quality Functions - Indicators 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: Wetland is a depression or flat depression (QUESTION 7 on key) with no surface water leaving it (no outlet). points = 3 Wetland has an intermittently flowing stream or ditch, OR highly constricted permanently flowing outlet. 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 layer) is true clay or true organic (use NRCS definitions).Yes = 4 No = 0 D 1.3. Characteristics and distribution of persistent plants (Emergent, Scrub-shrub, and/or Forested Cowardin classes): Wetland has persistent, ungrazed, plants > 95% of area points = 5 Wetland has persistent, ungrazed, plants > ½ 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 > ½ total area of wetland points = 4 Area seasonally ponded is > ¼ total area of wetland points = 2 Area seasonally ponded is < ¼ total area of wetland points = 0 Total for D 1 Add the points in the boxes above 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 D 2.2. Is > 10% of the area within 150 ft of the wetland in land uses that generate pollutants? Yes = 1 No = 0 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 Rating of Landscape Potential If score is: 3 or 4 = H 1 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 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 if 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 Rating of Value If score is: 2-4 = H 1 = M 0 = L Record the rating on the first page Wetland name or number ______ Wetland Rating System for Western WA: 2014 Update 6 Rating Form Effective January 1, 2015 DEPRESSIONAL AND FLATS WETLANDS 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 4.1. Characteristics of surface water outflows from the wetland: Wetland is a depression or flat depression with no surface water leaving it (no outlet) points = 4 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 Wetland has an unconstricted, or slightly constricted, surface outlet that is permanently flowing points = 0 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. 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 to < 2 ft from surface or bottom of outlet points = 3 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 storage in the watershed: Estimate the ratio of the area of upstream basin contributing surface water to the wetland to the area of the wetland 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 Rating of Site Potential If score is: 12-16 = 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 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 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 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 = 0 Total for D 6 Add the points in the boxes above Rating of Value If score is: 2-4 = H 1 = M 0 = L Record the rating on the first page Wetland name or number ______ Wetland Rating System for Western WA: 2014 Update 13 Rating Form Effective January 1, 2015 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 ¼ 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 ____Emergent 3 structures: points = 2 ____Scrub-shrub (areas where shrubs have > 30% cover) 2 structures: points = 1 ____Forested (areas where trees have > 30% 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 ¼ 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 ____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 ft2. Different patches of the same 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. None = 0 points Low = 1 point Moderate = 2 points All three diagrams in this row are HIGH = 3points Wetland name or number ______ Wetland Rating System for Western WA: 2014 Update 14 Rating Form Effective January 1, 2015 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. ____Large, downed, woody debris within the wetland (> 4 in diameter and 6 ft long). ____Standing snags (dbh > 4 in) within the wetland ____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) ____Stable steep banks of fine material that might be used by beaver or muskrat for denning (> 30 degree slope) OR signs of recent beaver activity are present (cut shrubs or trees that have not yet weathered where wood is exposed) ____At least ¼ ac of thin-stemmed persistent plants or woody branches are present in areas that are permanently or seasonally inundated (structures for egg-laying by amphibians) ____Invasive plants cover less than 25% of the wetland area in every stratum of plants (see H 1.1 for list of strata) Total for H 1 Add the points in the boxes above 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 (include only habitat that directly abuts wetland unit). Calculate: % undisturbed habitat + [(% moderate and low intensity land uses)/2] = _______% If total accessible habitat is: > 1/3 (33.3%) of 1 km Polygon points = 3 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 Polygon around the wetland. Calculate: % undisturbed habitat + [(% moderate and low intensity land uses)/2] = _______% Undisturbed habitat > 50% of Polygon points = 3 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) 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: 4-6 = H 1-3 = M < 1 = L Record the rating on the first page H 3.0. Is the habitat provided by the site valuable to society? H 3.1. Does the site provide habitat for species valued in laws, regulations, or policies? Choose only the highest score 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 points = 0 Rating of Value If score is: 2 = H 1 = M 0 = L Record the rating on the first page Wetland name or number ______ Wetland Rating System for Western WA: 2014 Update 15 Rating Form Effective January 1, 2015 WDFW Priority Habitats Priority habitats listed by WDFW (see complete descriptions of WDFW priority habitats, and the counties in which they can be found, in: Washington Department of Fish and Wildlife. 2008. Priority Habitat and Species List. Olympia, Washington. 177 pp. http://wdfw.wa.gov/publications/00165/wdfw00165.pdf or access the list from here: http://wdfw.wa.gov/conservation/phs/list/) Count how many of the following priority habitats are within 330 ft (100 m) of the wetland unit: NOTE: This question is independent of the land use between the wetland unit and the priority habitat. Aspen Stands: Pure or mixed stands of aspen greater than 1 ac (0.4 ha). Biodiversity Areas and Corridors: Areas of habitat that are relatively important to various species of native fish and wildlife (full descriptions in WDFW PHS report). Herbaceous Balds: Variable size patches of grass and forbs on shallow soils over bedrock. Old-growth/Mature forests: Old-growth west of Cascade crest Stands of at least 2 tree species, forming a multi- layered canopy with occasional small openings; with at least 8 trees/ac (20 trees/ha ) > 32 in (81 cm) dbh or > 200 years of age. Mature forests Stands with average diameters exceeding 21 in (53 cm) dbh; crown cover may be less than 100%; decay, decadence, numbers of snags, and quantity of large downed material is generally less than that found in old-growth; 80-200 years old west of the Cascade crest. Oregon White Oak: Woodland stands of pure oak or oak/conifer associations where canopy coverage of the oak component is important (full descriptions in WDFW PHS report p. 158 see web link above). Riparian: The area adjacent to aquatic systems with flowing water that contains elements of both aquatic and terrestrial ecosystems which mutually influence each other. Westside Prairies: Herbaceous, non-forested plant communities that can either take the form of a dry prairie or a wet prairie (full descriptions in WDFW PHS report p. 161 see web link above). Instream: The combination of physical, biological, and chemical processes and conditions that interact to provide functional life history requirements for instream fish and wildlife resources. Nearshore: Relatively undisturbed nearshore habitats. These include Coastal Nearshore, Open Coast Nearshore, and Puget Sound Nearshore. (full descriptions of habitats and the definition of relatively undisturbed are in WDFW report see web link on previous page). Caves: A naturally occurring cavity, recess, void, or system of interconnected passages under the earth in soils, rock, ice, or other geological formations and is large enough to contain a human. Cliffs: Greater than 25 ft (7.6 m) high and occurring below 5000 ft elevation. Talus: Homogenous areas of rock rubble ranging in average size 0.5 - 6.5 ft (0.15 - 2.0 m), composed of basalt, andesite, and/or sedimentary rock, including riprap slides and mine tailings. May be associated with cliffs. Snags and Logs: Trees are considered snags if they are dead or dying and exhibit sufficient decay characteristics to enable cavity excavation/use by wildlife. Priority snags have a diameter at breast height of > 20 in (51 cm) in western Washington and are > 6.5 ft (2 m) in height. Priority logs are > 12 in (30 cm) in diameter at the largest end, and > 20 ft (6 m) long. Note: All vegetated wetlands are by definition a priority habitat but are not included in this list because they are addressed elsewhere. Wetland name or number ______ Wetland Rating System for Western WA: 2014 Update 16 Rating Form Effective January 1, 2015 CATEGORIZATION BASED ON SPECIAL CHARACTERISTICS Wetland Type Check off any criteria that apply to the wetland. Circle the category when the appropriate criteria are met. Category SC 1.0. Estuarine wetlands Does the wetland meet the following criteria for Estuarine wetlands? The dominant water regime is tidal, Vegetated, and With a salinity greater than 0.5 ppt Yes Go to SC 1.1 No= Not an estuarine wetland SC 1.1. Is the wetland within a National Wildlife Refuge, National Park, National Estuary Reserve, Natural Area Preserve, State Park or Educational, Environmental, or Scientific Reserve designated under WAC 332-30-151? Yes = Category I No - Go to SC 1.2 Cat. I SC 1.2. Is the wetland unit at least 1 ac in size and meets at least two of the following three conditions? The wetland is relatively undisturbed (has no diking, ditching, filling, cultivation, grazing, and has less than 10% cover of non-native plant species. (If non-native species are Spartina, see page 25) At least ¾ of the landward edge of the wetland has a 100 ft buffer of shrub, forest, or un-grazed or un- mowed grassland. The wetland has at least two of the following features: tidal channels, depressions with open water, or contiguous freshwater wetlands. Yes = Category I No = Category II Cat. I Cat. II SC 2.0. Wetlands of High Conservation Value (WHCV) SC 2.1. Has the WA Department of Natural Resources updated their website to include the list of Wetlands of High Conservation Value? Yes Go to SC 2.2 No Go to SC 2.3 SC 2.2. Is the wetland listed on the WDNR database as a Wetland of High Conservation Value? Yes = Category I No = Not a WHCV SC 2.3. Is the wetland in a Section/Township/Range that contains a Natural Heritage wetland? http://www1.dnr.wa.gov/nhp/refdesk/datasearch/wnhpwetlands.pdf Yes Contact WNHP/WDNR and go to SC 2.4 No = Not a WHCV SC 2.4. Has WDNR identified the wetland within the S/T/R as a Wetland of High Conservation Value and listed it on their website? Yes = Category I No = Not a WHCV Cat. I SC 3.0. Bogs Does the wetland (or any part of the unit) meet both the criteria for soils and vegetation in bogs? Use the key below. If you answer YES you will still need to rate the wetland based on its functions. SC 3.1. Does an area within the wetland unit have organic soil horizons, either peats or mucks, that compose 16 in or more of the first 32 in of the soil profile? Yes Go to SC 3.3 No Go to SC 3.2 SC 3.2. Does an area within the wetland unit have organic soils, either peats or mucks, that are less than 16 in deep over bedrock, or an impermeable hardpan such as clay or volcanic ash, or that are floating on top of a lake or pond? Yes Go to SC 3.3 No = Is not a bog SC 3.3. Does an area with peats or mucks have more than 70% cover of mosses at ground level, AND at least a 30% cover of plant species listed in Table 4? Yes = Is a Category I bog No Go to SC 3.4 NOTE: If you are uncertain about the extent of mosses in the understory, you may substitute that criterion by measuring the pH of the water that seeps into a hole dug at least 16 in deep. If the pH is less than 5.0 and the plant species in Table 4 are present, the wetland is a bog. SC 3.4. Is an area with peats or mucks forested (> 30% cover) with Sitka spruce, subalpine fir, western red cedar, western hemlock, lodgepole pine, quaking aspen, Engelmann spruce, or western white pine, AND any of the species (or combination of species) listed in Table 4 provide more than 30% of the cover under the canopy? Yes = Is a Category I bog No = Is not a bog Cat. I Wetland name or number ______ Wetland Rating System for Western WA: 2014 Update 17 Rating Form Effective January 1, 2015 SC 4.0. Forested Wetlands Does the wetland have at least 1 contiguous acre of forest that meets one of these criteria for the WA If you answer YES you will still need to rate the wetland based on its functions. Old-growth forests (west of Cascade crest): Stands of at least two tree species, forming a multi-layered canopy with occasional small openings; with at least 8 trees/ac (20 trees/ha) that are at least 200 years of age OR have a diameter at breast height (dbh) of 32 in (81 cm) or more. Mature forests (west of the Cascade Crest): Stands where the largest trees are 80- 200 years old OR the species that make up the canopy have an average diameter (dbh) exceeding 21 in (53 cm). Yes = Category I No = Not a forested wetland for this section Cat. I SC 5.0. Wetlands in Coastal Lagoons Does the wetland meet all of the following criteria of a wetland in a coastal lagoon? The wetland lies in a depression adjacent to marine waters that is wholly or partially separated from marine waters by sandbanks, gravel banks, shingle, or, less frequently, rocks The lagoon in which the wetland is located contains ponded water that is saline or brackish (> 0.5 ppt) during most of the year in at least a portion of the lagoon (needs to be measured near the bottom) Yes Go to SC 5.1 No = Not a wetland in a coastal lagoon SC 5.1. Does the wetland meet all of the following three conditions? The wetland is relatively undisturbed (has no diking, ditching, filling, cultivation, grazing), and has less than 20% cover of aggressive, opportunistic plant species (see list of species on p. 100). At least ¾ of the landward edge of the wetland has a 100 ft buffer of shrub, forest, or un-grazed or un- mowed grassland. The wetland is larger than 1/10 ac (4350 ft2) Yes = Category I No = Category II Cat. I Cat. II SC 6.0. Interdunal Wetlands Is the wetland west of the 1889 line (also called the Western Boundary of Upland Ownership or WBUO)? If you answer yes you will still need to rate the wetland based on its habitat functions. In practical terms that means the following geographic areas: Long Beach Peninsula: Lands west of SR 103 Grayland-Westport: Lands west of SR 105 Ocean Shores-Copalis: Lands west of SR 115 and SR 109 Yes Go to SC 6.1 No = not an interdunal wetland for rating SC 6.1. Is the wetland 1 ac or larger and scores an 8 or 9 for the habitat functions on the form (rates H,H,H or H,H,M for the three aspects of function)? Yes = Category I No Go to SC 6.2 SC 6.2. Is the wetland 1 ac or larger, or is it in a mosaic of wetlands that is 1 ac or larger? Yes = Category II No Go to SC 6.3 SC 6.3. Is the unit between 0.1 and 1 ac, or is it in a mosaic of wetlands that is between 0.1 and 1 ac? Yes = Category III No = Category IV Cat I Cat. II Cat. III Cat. IV Category of wetland based on Special Characteristics If you answered No for all types, Summary Form Wetland name or number ______ Wetland Rating System for Western WA: 2014 Update 18 Rating Form Effective January 1, 2015 This page left blank intentionally I Wetland B - Figure 1Olympic Terrace RAI Project #: 90062-102 Note: Wetland Boundaries are based on handheld GPS coordinates and have not been surveyed. Boundaries are approximate and forplanning purposes only. 150ft Polygon Wetland B PFO PSS Public Parcels 00 150150 3003007575 FeetFeet QuestionsD1.1, D1.3, D1.4, D2.2, D4.1, D5.2, H1.1, H1.2, H1.4 Culvert- Slightly Constricted Outlet Seasonally flooded I Wetland B - Figure 2Olympic Terrace RAI Project #: 90062-102 Note: Wetland Boundaries are based on handheld GPS coordinates and have not been surveyed. Boundaries are approximate and forplanning purposes only. Contributing Basin Wetland B 00 790790 1,5801,580395395 FeetFeet QuestionsD4.3, D5.3 I Wetland B - Figure 3Olympic Terrace RAI Project #: 90062-102Note: Wetland Boundaries are based on handheld GPS coordinates and have not been surveyed. Boundaries are approximate and for planning purposes only. Undisturbed & Accessible Habitat 1KM Buffer Wetland B 00 1,4001,400 2,8002,800700700 FeetFeet Questions H2.1, H2.2, H2.3 I Wetland B - Figure 4Olympic Terrace RAI Project #: 90062-102 Note: Wetland Boundaries are based on handheld GPS coordinates and have not been surveyed. Boundaries are approximate and forplanning purposes only. Contributing Basin Wetland B 00 790790 1,5801,580395395 FeetFeet QuestionsD3.1, D3.2 I Wetland B - Figure 4Olympic Terrace RAI Project #: 90062-102 Note: Wetland Boundaries are based on handheld GPS coordinates and have not been surveyed. Boundaries are approximate and forplanning purposes only. Contributing Basin Wetland B 00 790790 1,5801,580395395 FeetFeet QuestionsD3.1, D3.2 APPENDIX C ESM Olympic Terrace Division 2 – 2007 Plat Sheets