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which is also ciominatcd by wccd specics. Bccausc Wedand A i� small, degraded, and provides <br /> minimal �vctland fimclions, it is not considered to provide "Significant Resource Value" associated <br /> wiUi Category II �vetlands. <br /> [3ecause WeUand A is not hydroloyically isolated and supports more than one vegetation class, il <br /> docs not qualify as a Catcgory IV wetland (Ordinary Resource Value). Therefore, it qualifies as a <br /> Category lll weUand following the City's Municipal Codc. Category, III wetlands are identified as <br /> thosc wcUands that provide "Impori:mt Resourcc Value"and that do not qualify as Category I, II, or <br /> IV wcUands. Category III wetlands havc a 50-foot minimum buffer requir�n,��� <br /> 3.3.2 Ayu:�tic Areas <br /> i,xisting Conditions. The drainagc lhat follows the eastem property boundary conveys seasonal <br /> (lo«�s from a dctcntion pond and wetland locatcd north of 1]0`h Street. The drainage also collects <br /> nmoff from roof drains and untreated surface nmoff from the apariment cornplex to the east and <br /> Gom thc S.ifewa�y slore in the northwestcrn portion nf thc site where tlie current drainage system <br /> does not contain and collect all runoff. The northcrn portion of the drainage follows a grass-lined <br /> swale,whcreas the southem porlion has been ditchcd down to the r,ulvert that crosses under SR 527 <br /> at thc southem encl of the sitc (Pigure 2). Thc ditched scgmcnt averaccs approximatcly 3.5 feet in <br /> width. I3ccausc thc swale portion has r.o dcfined channel, no width can be atfibuted to this <br /> segment. The culverl that passes flo�vs Gom this drainage across SR 527 to Silver L.�ilce has an <br /> elevated outfall that prevents fish access. '�lie IengtU (about 170 feet) of the culvert, presence of a <br /> manhole and hvo catch basins, and seasonal (lows furthcr limit fish acecss to the on-site drainage. <br /> Vr,gctation along the dr.iin�ge segment south of Wetl:u�d A is dominated'by Himalayan blackberry, <br /> quaking .�sn�„ s:�ni�nss, red alder saplings, and a varicty of grasses. Quaking aspen r.�nging from ! <br /> about S inches to 14 inches diameter at brcast height (dbh) occur intemiittenUy along the mar�in of <br /> thc ditch. Thc drainagc is Ilanked by rccd canarygrass, Himalayan blackberry, and red alder <br /> saplings ���hcrc it passes through Wedand A. North of�Vetland A, thc adjaccnt areas east of the <br /> drainagc s���ale consist of mowed lawn. Unmowed grasses occur immediately west of the swale. <br /> Young Douglas fir and westem red cedar have been planted in a ro�v along both sides of the <br /> northem stream segmenl. <br /> Classification. "1'he City of�vcrett defines streams as: . <br /> `...a �-ear-rou�rd or intennrllcnt ivrrler course or rot�le,formec! bp nnurre or modrfied by <br /> Lerrnrur aclivi(ies and genernlly consrslir+g oja defr��ed cliannel ivit�� n bed, bmrkr or sides <br /> for n srrbstanlinl por�ion of its iength, n/ong tivhich surjace ivrters nnturt�lly nnd nornta/ly <br /> Jloiv j•onr /�igher to lo�t�er lm�ds. Shrm�+s indude �rntrn•al sivnles. H�ednnr! mrd entirely <br /> nrtifrcial �vnlercourses such ns irrigaliorr nnd drninn��e ditchcs, grass-lined sivales, cm�nls <br /> and slarm n•rrter runoff denices slrnl!not 6e consirlereJ to bc stremns. Slreams x�hich have <br /> l�eci� channclized or culver(ed slin/! ronlinue to be co�rsidernd streams for the pwpose oj <br /> dtlr lille." <br /> P.b10�VYE30i 13�D71,Tq$!p DeMRehsed Welland Repaf JWy 1Wd.cbc <br /> Scnsitivc Arcas 13valuaiiun 7 July 2004 � <br /> Si!vcr Iakc Ccntcr !'roperty �� <br />