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HomeMy WebLinkAbout1997.10.00 - Wetlands Inventory for 49th Street & Jackman StreetI I ^l,J ."1A WETLANDS INVENTORY FOR THE CITY OF PORT TOWNSEND 49TH STREET PROPERTY October 1997 prepared for: Sam Gibboney City of Port Townsend 617 Tyler Street Port Townsend, WA 98368 prepared by: S. Shanewise Senior Ecologist Wetland and Wtldlife Consultlng Services 416 S. \Washington Olympia, \7A 98501 G60) 352-9897 FAX G50) 352-9914 .l J I ,tiJ i iiJ jack0T97. i nv Ecologist CONTENTS Figure 1: Vicinity Map Introduction........... ............... I Methods ..... I Results.... ..,.............2 Figure 2: Schematic Wetlands Map Figure 3: Soils Map Figure 4: National Wetlands Inventory Map Figure 5: PHS/HRTG Map Appendix I: Wetlands Descriptions Text Data Sheets Category Ratings Wetland and Buffer Functions Appendix II: Plant Species List References J _l I .J IiI J r:e..dqtHFi I -t I I I( I _t J Sec. 34, T31N, RlW PORT TOWNSEND 49TH STREET PROPERTY VICINITY MAP 6 NIII J I I J -.. * uLc0utruuu Jl -i J -All locations approximate- FIGURE 1 Two potential wetland areas occur; one non-jurisdictional wetland area based solely on a minor variation in soil chroma; the second potential wetland boundary would occur at the edge of regular spring inundation for this system. Both potential areas are dominlted by Facultative vegetation. If wetland hydrology occurs in most years (8 years out of 10), the regularly saturated or inundated area could be a wetland p9r thg Atypical Situation Methodology outlined in the Washington State Wetlands Delineation Manual. This maximum wetland boundary could not be delineated in the absence of hydrology. INTRODUCTION The subject property is comprised of three separate parcels and totals an area of approximately one-half acre. The site is located in the City of Port Townsend and under city ownership. Existing land use is primarily abandoned pasture, with two distinct plant communities, shrub and grassland. No residences or structures occur. This property is situated within a regionally significant drainage corridor and receives moderate volumes of runoff during storm events. Seasonal surface water conditions have been historically reduced by fill and drainage, and more recently reportedly increased by filling adjacent properties. Due to modifications of hydrology and marginal hydric soil conditions, wetland delineation conditions are technically difficult. METHODS Site Inspection Property reconnaissance was conducted on 2 October 1997. All areas.of th_e property were inspected for wetland conditions. All wetland boundaries were field flagged for identification. Classification Wetland characteristics are described within this report according to the Fish and WildlW Service Cowardin Classification S\stem (1989). Delineation Wetland delineation followed a Routine Methodology based upon the Washington State Wetland ldentification and Delineation Manual (1997) requiring positive indicators for wetland soil, hydrology, and plants: Wetland hydrotogy was determined by water conditions in pits or inferred from approved hydrology indicators if seasonally dry conditions prevailed; Presence of hydric soil was determined by soil pits dug around suspected wetlands. Soil was inspected for hydric conditions; inspection included comparison with the Munsell Color Charts (1992). General soil characteristics were derived from information contained within the Soil Conservation Service Soil Survey for Jefferson County (1969); Occurrence of wetland vegetation was determined through species identification, estimation of dominance and then assignment of wetland indicator status; indicator status was assigned based upon the National List of Plant Species That Occur In Wetlands (1989). PORT TOWNSEND State Category Rating The Washington State Wetlands Rating System for Western Washington (1993), was used to establish Category Ratings for the wetlands. WDFW Natural Heritage Review A data search of the Washington Department of Fish and Wildlife Natural Heritage System and Priority Habitats and Species data base was performed. Confirmation Wetland status depicted in this report has not been confirmed by a government official, and therefore has no legal status. Agencies with jurisdictional authority over wetlands at the local, state and federal level need to be consulted for their signed agreement to our findings before tlere is any guarantee of no change. _ Our estimation for the accuracy of the unconfirmed wetland boundaries portrayed within this reportis )95Vo. Individual Wetland Descriptions An individual description ofthe wetland system is provided in Appendix I of this report. The wetland-description contains documentation of the wetland delineation cohditions, functions and values assessment, classifications, and description of hydrology, soils, and plants. DISCUSSION/RESULTS Gravel Fill Overlying Native Soil in Western Property Vicinity Throughout the westein property vicinity (lots 7 & 8) gravel fill material has been spread approximately lainches deep. -The activity appears historical and likely occurred prior to adoption of the Port Townsend Environmental Sensitive Areas Ordinanc6 0992) ancl would be an authorized activity under 404 (nationwide26). The gravelly fill material is unstratified without apparent soil horizons. The underlying iative soil condition is more characteristic of the San Juan series mapped for this portion of the property. The underlying soil matrix_chroma is both 1 and 2 without iedoximorphiifeaturds. Caution should be used in hydric soil determinations in the San Juan sbries based solely on soil chroma due to the naturally dark parent material. Regardless of the potential hydric status of the native soil, it occurs beneath twelve incles of non-hydiic ttt. Therefore, under the Routine methodology, this area would lack a hydric soil condition and be non-wetland. (See further discussion on potential use of Atypical Situation methodology, pages 3-4). Prominent Drainage Corridor This property is situated in a regionally significant.draina_ge corridor.^The wetland natur^atly drains northeasterly approximulgly .fS mile to the Chinese Gardens wetland adjaceni to the Puget Sound'shbleline. The system continues to drain within this corridor, however, the native drainage route has been modified. The headwater drainage route has been diverted in numerous locations in the project vicinity. Ditches, drain tile, and berms have been constructed to reduce and divert surface water inundation. 2PORT TOWNSEND Backfilled Ditch The above drainage corridor connected to a roadside ditch on the north side of 49th east of Jackman. It appears that this ditch was the primary drainage outlet for the majority of the surface water which flowed across the subject property. Anecdotal evidence suggests that filling of the lots on the north side of 49th, east of the subject property, disrupted this previous flow. This created an impoundment which resulted in increased surface water conditions on the subject, and neighboring properties. The primary drainage corridor now occurs through a shallow ditch system between neighboring properties. Wetland Boundary per the Routine Methodology It is our professionatJudgment that the Routine Wetland Delineation Methodology is the most-appropriate ilelineation method for this site. The Routine methodology delineates the area which is assumed to be historically wetland and not increased or decreased by impoundments or ditches. The primary parameter used for delineation under the Routine methodology is a slight variation in soil matrix chroma. The hydric soil condition is identified by a 10YR 2lL matrix chtoma, while the adjacent non- wetland soil is l0YR2l2. No mottling occurs in either soil profile. Facultative vegetation (monotypic Rosa nutkana) occurs thro-ughout the_wetland/upland interface, and hydrology is known to occur beyond the delineated wetland boundary. The wetlaird boundary is flagged with orange tape labeled Wetland Delineation and numbered 1 through 8, counter-clockwise. Wetland Boundary per the Atypical Situation Methodology When one paramet6r (i.e., hydric soil) is absent and wetland hydrology still occurs, the area could be deemed wetlarid per the Atypical Situation Methodology. In this particular case, vegetation is hydrophytic (Facultative dominated) and wetland hydrology is known to occur. Therefore, the minor variation in soil color could be ifnored-ilf hydrology is present in most yealq. The relativg permanence and cause of t[e increaseil wetland area should be carefully evaluated when using the Atypical Situation methodology. Because the increased area of wetland hydrology is largely a result of filling, the Atypical Situation methodology would not seem appropriate for this site. II-i Ii-) Category III Per Ecology' III wetland. (10 S The small size (-4 The hydrologically te93). Relatively Low Functional Values This wetl-and rates low for most recognized wetland functions. The primary high value functions this wetland performs are stormwater detention and sediment-capture. During runoff events this wetland area is known to detain moderate volumes of stormwater. Non-Jurisdictional in Size Per the City of Port Townsend Wetland Ordinance, Category III wetlands of less than 5,000 squaie feet are non-jurisdictional. This wetland area is estimated to be approxirirately 4,000 squaie feet in size and would therefore be non-jurisdictional. A sirivey of the-delineated wetland boundary could determine an exact area of this system. 3PORT TOWNSEND Excavated Ditch on Bast Side of Lot 7 (See Figure 2) An excavated ditch which drains into the subject wetland area occurs on the east side ofLot7. A l-soil matrix chroma occurs with Facultative vegetation (Graminoids). Although this ditch may contain wetland characteristics, wetland ditches excavated in upland ground are non-jurisdictional per the Port Townsend Environmental Sensitive Areas Ordinance. No Priority Habitats & Species Mapped in the Project Area (See Figure 5) There are no Priority Habitats or Species documented to occur in the project area; none were observed at the time of study. CONCLUSIONS & RECOMMEI\DATIONS Surface Water Conditions Have Likely Been Increased by Impoundment The filling of lots adjacent to the subject property, which were the primary outlet for this area, has likely resulted in increased surface water conditions beyond the identified wetland boundary. Using the Atypical Situation The Atypical Situation methodology could identify a significantly greater area as jurisdictional wetland for this site. In our professional judgment, under these circumstances (man-made interference of natural drainage route), it is not an appropriate use of this methodology. Jurisdictional Ruling by City Staff Necessary The City of Port Townsend review authority should determine whether the Routine Methodology (as delineated) or the Atypical Situation Methodology should be used for a wetland delineation for this site. The delineated wetland area is eligible for a nationwide 26 permit (ACOE) and non-jurisdictional in size per the Routine methodology. Site is Well Suited for Stormwater Detention Facility The primary function this wetland provides is stormwater detention within a regionally significant surface water runoff route. Other wetland functions are of low value due to the small size and historical disturbances to this system. A stormwater detention facility on this site would help alleviate flooding problems and could enhance wildlife habitat values if enhancement features were incorporated into the facility design. 4PORT TOWNSEND I I Il I ,l =l J Sec. 34, T31N, RlW Partial Legend AgB = Alderwood gravelly sandy loam SaB = San Juan gravelly iandy ldam Soil Survey of Jefferson County Soil Conservation Servlce PORT TOWNSEND 49TH STREET PROPERTY SOILS MAP Sheet # 4O 6 N Scale 1 :10,O00 I III ."-} T[LC0o[ruruYri i., l J udrul|& -All locations approximate-FIGURE 3 tQ.-'- ts' -7 Sec. 34, T31N, R1W Jefferson County US Department of lnterior Fish and Wildlife Service Prepared by National Wetlands lnventory 1987 PORT TOWNSEND 49TH STREET PROPERTY NATIONAL WETLANDS INVENTORY MAP PORT TOWNSEND NORTH Scale 1:24,OOO 4 N ...} trlc00$0upAlYUdsk -All locations approximate- FIGURE 4 . .:i,:: :. 1r.:|{i!Fl'!l- I "t I J J It _i 4 Sec. 34, T31N, RlW 3 J) PORT TOWNSEND 49TH STREET PROPERTY PHS/HRTG MAP I I I J Port Townsend North 4 N Scale 1z24,OOO .""}mffi sj .J t) -All locations approximato-FIGURE 5 APPENDIX I: WETLAND DESCRIPTIONS PORT TOWNSEND 49TH STREET PROPERTY October 1997 Wetland No. L Isolated Depression Area: 4,000 square feet (ocular estimate) Classification This isolated wetland depression occurs within a regionally significant drainage corridor in the Chinese Garden watershed. The system has been historically disturbed by agricultural activities and numerous drainage modifications. The disturbed wetland is dominated by a monotypic shrub community with evidence of ditching and impoundments affecting hydrology. Cowardin PALUSTRINE Shrub, broad-leaved deciduous (Rosa nutkana) Seasonally flooded, fresh Mineral (Alderwood series) State Category Rating: III Primary Reason(s): Small in size and not hydrologically species composition and hydrologic isolation for a lower Boundary Delineation This indistinct wetland boundary is based solely on a slight variation in soil matrix chroma. The wetland soil was defined by a 1 soil matrix chroma while the adjacent upland chroma is 2; mottling is not present. Facultative vegetation occurs throughout tlie wetland and adjacent upland. Surface water conditions are known to persist beyond the delineated wetland boundary. The following table depicts general field indicators used to delineate this wetland boundary: WETLAND UPLAND Epilobium watsonii 1 chroma isolated. Lacks the plant Category IV rating. 2 chroma VEGETATION SOILS HYDROLOGY BOTH Rosa nutkana Rubus discolor Rumex crispus Ranunculus repens Alderwood series no mottles 1PORT TOWNSEND APPENDIX I seasonally flooded J Functions & Values: The following is a list of commonly recognized wetland functions, with an estimated relative value rating and a brief conceptual statement regarding the primary factor affecting this rating. A summary table is also provided for quick reference. HIGH MODERATE LOW 123 Sediment Capture HIGH Seasonal flooding, small size limits Sediment Capture function HIGHStormwater Detention/Retention Seasonally flooded, minor depressional basin with restricted outlet Surface Water Runoff Route MODERATE Located within fragmented drainage corridor, primary drainage route for system Surface Water Supply Seasonal flow, Chinese Garden watershed Biofiltration Dominated by woody vegetation Groundwater Exchange Surface water system Plant/Animal Habitat Value Monotypic vegetation and small in size Flood Attenuation Not associated with riverine system MODERATE LOW LOW LOW NA Hydrology Tiis wetla:nd occurs within the Chinese Garden watershed. The basin is one of many fragmented systems within a prominent drainage corridor. The wetland appeSrs entirely influenced by surface water conditions with little oT no groundwater influence. Wetlaid hydrology has been diverted by a filled ditch which once received most of the runoff from this system. Surface watef conditions are now_significantly increased with only a minor outl6t route through neightoring properties_. S-tpding water is now kndwn to occur in most years beyond the delineated wetland boundary. Soils This wetland is mapped within an Alderwood gravelly sandy loam soil formation. The Alderwood series is iypically not hydric and the wetland may be in an unmapped hydric soil inclusion. A 10YR 2/l-soil matrix chroma without mottles occurs within the delineated wetland boundaries. 2PORT TOWNSEND APPENDIX I ;l Vegetation A monotypic shrub community dominated by Rosa nutkana occurs throughout this wetland and adjacent upland ground. The plant community is characteristic of abandoned and disturbed pastures. Plant Community Characterization The following plants are the dominant species which charucteize this community: I 3 J J 3 J J J IJ I J PORT TOWNSEND APPENDIX I L DATA FORM ROI'TTNE ONSITE DETERMINATION METHOD Field Investigauor(s): M. Bennett Project/Site: 49th & ,Jackman Applicant/Owner: Port Townsend Date: 2 October 1997 State: WA County: .fefferson Plants Community #/Name: L-IN I Do normal environmental conditions exist at the plant community? Yes Have the vegetation, soils, andfor hydrology been significantly disturbed? No Indications of draining, ditching, and berms VEGETATION Indicator s H H H H s 1 2 3 4 5 5 r-es Rosa nutkana EpiTobiun watsonii Polygonum persicaria Rumex crispus Ranuncul.us repens Rubus discoTor FAC NI FACW FAEW FACW FASU- I 1) Percent of dominant species Ehat are OBL, FACW, and/or FAC: > 50 t Is the hydrophytic vegetation criterion met? Yes Rationale: DominanL spp. FAC and wetter SOILS Series/phase: Alderwood gravelly sandy loam Subgroup: DysEric Entic Durachrepts Is Ehe soil on the hydric soils list? No Is the soil a Histosol? No Histic epipedon present? Is the soil: Mottled? No GleYed? Matrix Color: 10 YR 2/L MoEtIe Colors: Other hydric soil indicauors: Is the hydric soil criterion met? Yes . Rationale: 1 chroma ITYDROIJOGY Is the ground surface inundated? No Surface Water Depth: Is tshe soil saturated? No Depth to free-standing water in pit/soil probe hole: other field evidence of surface inundaEion or soil saturation: Is the wetland hydrology criterion met? Yes Rationale: Flooding into early spring months of most years verified by city staff and neighbors. .IURI SDICTI ONAI, DETERMINATION AIID RATIONAI,E Is tshe plant community a wetland? Yes Rationale for jurisdictional decision: Positive for all 3 parameters 1 our- DATA FORM ROIITINE ONSITE DETERMINATION METHOD Fie1d Investigator(s): M. Bennett Project/Site: 49th & Jackman Applicant/Owner: Port Townsend Date: 2 October 1997 State: WA County: .fef ferson PlanE CommuniEy #/Name: 1-OUI Do normal environmental conditions exist at the plant community? Yes Have. the vegetation, soils, andfor hydrology been significantly disturbed? No VEGETATION Indicator s s 1 2 Rosa nutkana Rubus discoTor Series/phase: Alderwood gravelly sandy loam Is the soil on Ehe hydric soils list? No Is the soil a HisEosol? No Is the soil: Mottled? No Matrix Color: 10 YR 2/2 Other hydric soil indicaEors. Is the hydric soil criterion met? No Ratsiona1e: 2 clhroma without mottles FAC FACU- Subgroup: Dystric Entic Durachrepts Histic epipedon present? GIeyed? Mottle Colors: PercenE of dominant species that are OBL, FACW, and/or FAC: 50t Is the hydrophytic vegetation criterion met? yES Rationale: 50t Facultative SOILS IIYDROLOGY Is the ground surface inundated? No Surface Water Depth: Is the soil saturated? No DepLh to free-standing water in pit/soil probe hole: other field evidence of surface inundation or soil saturation: Is the wetland hydrology qFiterion meE? Yes Ragionale: SEanding water into spring months in most years as documented by city staff and neighbors. iN'RISDICTIONAI, DETERMINATION AND RATIONA],E Is Ehe plant community a wetland? No Rationale for jurisdictional decision: Non hydric soil condition. hydrology created from drainage barriers, not trNormal circumstanceg. rl Wetlands Rating Field Data Form Background lnformation: Name of Rater:,1 2 u Affiliation:46?6.t:Sate. rt elLa * Name of wetland (if known): f Government Jurisdiction of wclland krcation: l/4 Scction: of l/4 S:fl / Range: t Sources of lnformation: (Check all sources that apply) Site visit: '/ uscs ropo Map: - NwI ^^o, / Aerial Photo' / Soils survey : ./ Other: ./ nocrit""/a< When The Field Data form is complete enter Category here:z Q.l. High Quality Natural Wetland Answer this question if you havc adcquatc inlirrmation or cxJrericncc to rlo su If not find som@ne with (he expcrtise to answer the questions. Ttrcn, if tlrc answer to questions'la, lb and lc are all NO, con(act the Natural Heritage program of DNR 1a. Human caused disturbances ls there significant evidence ofhuman-caused changes to topography or hydrologyof the wetland as indicate<l bi any of the following conclitions? Consider only changes.that may have taken place in the last 5 decades. The impacts of changes done earlier have probably been stabilized and the wetland ecosystem will be close to reaching some new equilibrium that may represent a high quality wetland.' la'I. Upstream watershed > lLq, impcrvious. la2. Wetland is ditchcd and water llow is not ohstructcd. la3. Wetland has been gradul, filled, krggcd la4. Water in wetland is ctrntrolleil by dikes, weirs, etc. 1a5. We0and is grazed. 1a6. Other indicators of disturbance (list below) Circle Answers Ycs:tu Q.2 to Q.2 Yes: go to Q.2 Yes: go to Q.2 Yes: go to Q.2 Yes: go to Q.2 No: go to lb. 25 lb Are there populations of non-native plants which arc cunently prqsent' cover more than l07o of the wetland, and appear to bc. invading native populations? Briefly Infbrmation source(s) describe any non-native plant Jrrpulations and lc. Is there evidence of human+aused clisturbanccs which have visibly degraded water quality. Evidence of the degradation of water quality include: direct (untreated) runoff from roads or parking lot.s; presence' or historic evidence, of waste dumps; oily sheens; the smell of organic chemicals; or lifestock use. Briefly describe: YES: go to Q.2 No: go to lc. YES: go to Q.2 NO: Possiti,le Cat. I con(act DNR Q.2. lrreplaceable Ecological Functions: I)ocs the wetland: < O have at lea^st ll4 acreolorganic soil.s degrr than 16 inches ancl the wetland is relativcly undisturbcd; OR [IIf the answer is NO because the wetland is disturhed briefly de.scritrc: Indicators of disturbance may include: - Wetland has treen graded, filled, loggocl; Organic soils on the surfacc are driecl-out for more than half of the Year; - wetland receives direct stormwater runoff from urban or agricultural areas.l; OR: O have a tbrestsl class greater than I acre; OR O have characteristics of an estuarine systcnu OR O have eel grass. floating or non-floating kelp brxls? @^"gotoe.3)YES go to 2a YES: Go to 2b YES: Go to 2c YES: Go tu 2d 2a. Bogs an&Fens Are any of the tfuee following conditions met for the area of organic mil? 2a-1. Are Sptngnum mosscs a common grouncl cover (>30%) arrl thc cover of invasive sgrecies (eee Table 3) is less than l0%? Is the area of sphagnum mosses ard deep organic soils > ll2 acre? Is the area of sphagnum mosses arxl deep organic soils l/4-ll2 acre? 2a.2.Is there an area of organic soil which has an emergent class with at least one species from Tahle 2, and cover of invasivc spocies is < l(l% (se Table 3X Is the area of herbaceous plants and dep organic soils > lf2 rcte'! Is the area of herbaceous plants ancl dttp organic soils l/4- l/2 acre? YES: YES: Category I Category II NO: Go toZa-3 YES: YES: Category I Category II NO: Gu to 2a.3 l l i 26 2a.3; [s thc vegctation a mixturc of only hcrbaccttus plants and Sphagnum mosses with no scrub/shrub or forcstcd clas.scs'l Is the area of herbaceous plants, Sphagnum, and deep organic i:lfiJf lfl,ilr.*us pranrs, sphagnum, and deep organic soils 1/4-ll2 acre? YES: Category I YES: Category II NO: Go to Q.3. Q.2b. Mature forested wetland. 2b.1. Does 50% of the cover of up1rcr forest canopy consist of cvergrccn trees older than 80 years or deciduous trees oldcr than 50 years? Note: Ttre size of Eees is often not a measure of age, and size cannot be used as a surrogate for age (see guidance). 2b.2. Does SOVo of the cover of forest canopy consist of evergreen trees older than 50 years, AND is the structr.rral diversity of thc ftlrest high as characterized by an additional layer oftrees 20'-49'tall, shrubs 6' '20', tall, and a herbaceous groundcover? 2b.3. Ddes < 25Vo of the areal cover in the herbaceouVgroundcover or the shrub layer consist of invasive/exotic plant species from the list on p. I 9? YES: Category I NO: Go to 2b.2 YES: Go to 2b.3 NO: Go to Q.3 YES: Category I NO: Go to Q.3 Q.2c. Estuarine wetlands. 2cl. Is the wetland listed as National Wildlife Refuge, National Park, National Estuary Rqserve, Natural Area Preserve, State Park, or Educational, Environmental or Scientific Reserves designa(ed under wAc 332-30-15r?..... 2c.2. Is the wetland > 5 acres: Note: If an area contains patches of salt tolerant vegetation that are l)Jess than 600 feet apart and that are separated by mudflats that go dry on a Mean [,ow Tide, or 2) separated by tidal channels that are Iess than l0(l feet wi<Je; all the vegetated areas are to bc considere<l togcther in calculating the wetland arga. or is the wetland l-5 acres; or is the wetland < I acre?. . YES: Category I NO: Go to2c.2 YES: Category I YES: Go to 2c.3 YES: Go toZc.4 \27 2c.3. Does the wetland meet at least 3 of the folkrwing 4 criteria: . . - minimum existing evidence of human related disturbance such as diking, ditching, filling, cultivation, grazingor the presence of non- native plant sgrccies (see guidance for delinition); ' - surface water connection with tidal saltwats or tidal freshwater; - at least 75% of the wetland has a 100' buffer of ungrazed pasture, open water, shrub or forest: - has at least 3 of the following features: low marsh; high marsh; tidal channels; lagoon(s);woodydcbris; orcontiguous freshwater wetland. 2c.4. Does the wetland meet all of the four criteria under 2c3. (aklve)? YES: Category I NO: Category tI YES: Category II NO: Category ttl Q2d. Eel Grass and Kelp Beds 2d.1. Are eel grass beds present?. 2d.2. Are there floating or n<rn-floating kelp betl(s) present with grcater than 507o macro algal covcrinthe monthof Augu.st orScptember?.... ..... YES: Category I NO: go toZd.z YES: Category I NO: Category II Q.3. Category lV wetlands.bJo 3a. Is the wetland: less than I hydrologically isolatcd and, mmprised of one vegetated class that is by one species from Table 3 (page 19) or Table 4 (page 20 ) 3b. Is the wetland: less than two acres and.Sdrologicallyisolated, -- f s wittr@ 90% oiareal cover is any combination of species from Table 3 (page 19) 3c. Is the wetland excavated ftom upland ind a pnd smaller than I acre withcrut a surface watcr connection to streams. lakes, rivers, or other wclland. and has < 0.1 acrc of vegd:{ation. ( llSlCategory IV 4o'do to ru YES: Category IV @o to r" YES: Category IV @otoe.4 f'" t ) iJ-, 28 Q.4. Significant habitat value. Answer aII questions and enter data rcqucstcd. 4a- Total wetland area Estimale area, sclect from choices in Lhe near-right column, and score in lhc far column: Entcr acreage ofwetland hcrc: acrcs, and sourco:- Circle scrtres that qualifyac[r$ pain$>2fi) 6 40- 2fit 510-40 4 5- 10 3l-.5 2o.r-l o.<().1 0 4b. Wetland classes: Circle the wetland classes below that qualify: Open Water: if tlre area of open water is > ll4 acrre Aquatic Beds: if the area of aquatic beds > ll4 acre, Emergent: if the area of emergent class is > ll4 acte, if ttre area of scrub-shrub class is > l/4 acre, Forested: if area of forested class is > ll4 acre, Adcl the number of wetland classqs, above, that qualify, arul lhen Score according to the columns at riglrt. e.g. If there are 4 cla.sses (aquatic becls, Qpcn walcr, emergcnt & scrub- shrub), you would ckcle 8 fnints in the far right column. # ofclasses I 2 3 4 5 .....:.6.......8 .......10 'lc. Plant species diversity. For each wetland class (at right) that qualifis in 4b above, count the numbcr of different plant sgncics you can find ftat cover more than 5% of the grouncl. You do not have to namethem Score in column at farright: e.g. If a wetland has an aquatic bed class with 3 sSrecies, an emergent class with 4 species and a scrub-shrub class with 2 species you would circle 2, 2, and I in the far column. Note: Any plant species with a cover of > SVo quali.fies for lnints within a class, cvcn lhosc that are not of that cl&s.s. Chss Aquatic Be<l # snccicr- in class Pointst. 2 3 >3 () I 2 3 0 1 2 3 0 Emagent I 2-3 4-5 >-5 Scruh-.Shrub I 2 3-4 >4 2 3 Forestcd I 2 34 >4 0 I 2 3 29 I { 4d. Structural diversitY. If the wctland has a forqstcd class,,add I point if cach of thc following classcs is prcsent within thc forcsted cla.ss and is largcr than l/4 acrc: -herbaceous ground cover. . Also add 1 point if there is any "open water" or "aquatic bed" class immediately next to the forested area (ie. there is no scruVshrub or emergent vegctation htwccn thcm). 'shrubs. -trees > 50' tall -trees 20'- 49' taU YES. I YES-1 YES-I YES. I YES. I 4e. Decidc from the diagrams bclorv whcthcr inl.cmpcrsion bctwccn wctland classcs is high, modentc, low or none? If you think thc amount of interspcrsion falts in bctween thc diagrams scorc accordingly (i.c. a modcratcly high amount of instenpcrsion would tscorc a 4, whilc a modcratcly low amoirnt would scorc a 2) none low moderate moderate low high YES= I YES= I YEs@ YES= 2 YES= I YES= I 4f. Habitat features. Answer questions below. circle.features that apply, and scorc to right: ls there evidcncs that ttre opcn or standing watcr was causcd by bcavcrs Is a heron rookery located within 3ffi'L /A(at l.t Arc raptor nesVs located within 3ffi? t t t Arc thcrc at lcast 3 standing dcad trccs (snags) per acrc grcatcr than 10" in diametcr at "brcast hcight" (DBHX. Arc thcrc at lcast 3 downed logs pcr acrc with a diamctcr > (r" lor at lcast l0' in lcngth? Arc thcrc arcas (vegctatcd or unvegetatcd) within ttrc wctlurd that arc pondcd for at lcast 4 months out of thc ycar, and thc wetland has not qualified as having an opcn watcr class in Qucstion 4b. ? 30 49. Connection to streams. (Score one answer only.) 49.1. Does the we0and provicte habitat for fish al any time of the year AND does it have a pcrennial surface water conncction to a fish bearing strcam. 4g.2 Does the wetland providc fish habitat scasonally AND dtrc.s it havc a seasonal surface watcr conncction to a {ish bcaring strcam. 4g.3 Does the wetland function to exfnrt organic mattcr tfuough a surlhcc water connection at alt times of the year to a Jrerennial stream. 4g.4 Does the wetland function to export organic matter through a surfacc water cornectjon to a stream on a seasonal basis? 4tfutu4 YES=6 YES=4 YES=4 4h. Buffers. Score tlre existing buffers on a scale of l -5 based on the following ftiur <Iuscriptions. If the iondition of the buffers do not exactly match the descrigxion, score cither a point Ngher or lower depending on whcther the huffers are less or more degraded. Forest, scmb, native grassland or open water buffers are present lbr more than l00'around 957o of lhe circumference. Forest, scrub, native.grassland, or open water buffers wider than l(X)' for more than lf2 of the wetland circumference, or a forest, scrub, grasslands, or open water buffers for more than 50' around 95Vo of lhe circumference. Forest, scrub, native grassland, or open water huffers wider than l(X)' for more than l/4 of the wetland circumference, or a forest, scrub, native grasslurd, or opcn water buffers wider thah 50' for more than ll2 ttf thc wetl and circu mference. No roacls, buildings or pavcrl arcas within l(X)'of tlrc wctlilnd lor Iuurc tltan 95% of the wetlan<t circumt'crcncc. No roaG, buildings or paved areas within 2-5'of the wetland for ntore th'an 95% of thecircumference, or No roads buildings or paved areas within 50'of the wetland for more than ll2 of the wetland circumference. Paved areas, irldustrial areas or rqsidendal cons(ruction (with less than 5(I betwecn houses) are less than 2.5 fecf tiom the wetland for morc than 95% of the circumference of the wetland. Score = -5 Score = 2 Score = 2 Score = I Score = 0 XoreQ I3 4i. Connection to other habitat areas: .Sclcvt lhc duscriplion wldclt hcsl ntalcltcs llrc silc hcing cvaluatc<J -Is the wetland conncctql to, or part of. a riparian corriclor at lcast l(X)' wicle connecting two or more wetlands; or, is there an upland conncction prcsent >l(n' wide with good forest or shnrb cover (>25Vo covcr) connecting it wilh a Signilicant Habitat Area? - Is the wetland connected to any other Habitat Area with either l) a forested/shrub conidor < 100' wide, or.2) a a conidor that is > 100'wide, but has a low vegetative cover less than 6 feet in height? -Is the wetland conn@ted to. or a part ol, a riparian curridor betwccn 50 - l(X)' wide wilh scruh/shnrb or ftrrtrst cuvcr conncctirtn tu ulhcr wctlan<ls? - Is thc wctland conncctql to any olhcr Habi(at fuea with narr()w crrridor (<l(XI) ruf hrw vcgctation (< 6' in lrcighl)? - Is the wetland and its buffcr (if the buffcr i.s lqss (han 50' widc) complctcly isolated by dcvelopment (urban,. residential with a den.sity greatcr than ?acre, or industrial)? YES=5 YES=3 YliS = 3 Yhs YES =0 Now add the scores circled (for Q.5a - Q.si above) to get a total. Is the Total greater than or equal to 22 points? YES = Category NO= II I 32 I I I -l 'l I I I APPENDIX II: PLANT SPECIES LIST PORT TOWNSEND 49TH STREET PROPERTY October 1997 I I l I l J J J J .i .'.5 r: watsonii Polygonum persicaria Ranunculus repew Rosa nutknra Rttbus discolor Rwnex crispus portPll'lT. tst PLANT SPECIES LIST COMMON Watson s grass family lady's thumb creeping buttercup nootka rose Himalayan blackberry curly dock INDICATOR FACW FACW FAC FACU- FACW -l _l I l -t J J J I IJ REFERENCES Cowardin, L.M., V. Carter, F.C. Golet, and E.T. LaRoe. 1979, Reprinted 1992. Classification of Wetlands and Deepwater Habitats of the United States. U.S. Fish and Wildlife Service, FWS/OBS-79131,103 pp. Hitchcock, C.I., andA. Cronquist. L976. FloraofthePacificNorthwest. University of Washington Press, Seattle, WA. Munsell Color. 1992. Munsell SoiI Color Clwns. Kollmorgen Corporation Baltimore, Maryland. National Wetlands Inventory Maps. Circa t987 - 1989. US Deparnnent of the the Interior. Reed, P.B. Jr. 1989. National List of Plant Species thal Occur in Wetlands: National Summary. USFWS Biological report 88(24). ZMpp. U.S.D.A. Soil Conservation Service. 1969. Soil Survey of Jffirson Couttty Area, Washington U.S.D.A. 199I. Hydric Soils of the United States. Washington Deparrnent of Ecology. LggT . Washington State Wetland ldentification and Delineation Manual. Publication #96-94. Washington Department of Ecology. L993. Washington State Wetlands Rating Slstem for Western Washington Publication #93-74. portrefs.W I It 4 ,o\,\\*,"n *'qn NOTE: All locations aPProximate VERTICAL DATUM: MEAN SEA LEVEL, NGVD 1 929 BENCH MARK: JEFFERSON COUNTY GPS CONTROL PT # 122 REBAR WTH ALUM. CAP 88.33 NW OF PT # 1O2 ELEV. _ 99.62 *'en 49TH ST. ) I E'CSRN€-REID +Qe>,% +€qo *,Q, I I I I I I I I F{:rB 6 Ll-]6 O 'qt U(,6u ,to I I I \ = t I ! ,Q, t- : IDCE ,Q, ST ^* T[LC00tcouplily n\-- \.-- r\- Wctland and Wlldllfc Blololy 416 S. Washington Olympia, VUA 98501- N,t lrr : - 40rI i *.ti ,l CITY OF'PORT TOWNSEND JACKMAN & 49TH SITE SCHEMATIC WETLAND MAP S34, T31N, RlW exmrlcr*.1 *r% *4o *'e" *4t *'an tj ,r%. r4o +t -'Q>+DITGH+ 1 I I I I I I I It I I I I f+DITCH 1-3 ,Q, *,{,te>+ + *'eo 4e ---l +,Qn Ij 1 I 1 I It--- II I I J -+- +_ r-:-3-:+--.4Ats=f;*-; @ : Wetland \ = Delineated wetland boundary : Data points E> = Direction of flow - : Property boundary -i Approximately 1" = 40' October 1997 FIGURE 2