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, <br /> \Vetland name or number fJ <br /> g Riv:.rine and Freshwater Tidal Fringa Wetlands Points <br /> WAT"1:P.QiJALTTY FUNCTIONS - Indicawrs thaz wetland functions w improve ��'�°'° <br /> water c�uali . .. <br /> � R 1.Does the wetland unit 6ave the ootential to improve water quality? (see p.52) <br /> � R l.l An:a of surface deprtssions within the riverine wetland that can trap sediments Figure_ <br /> durin�;a flooding event: <br /> D�:pressions cover>3/4 area of wedand points=8 <br /> Depressions cover> 1/1 azea of wetland poinu=4 <br /> Ir�epres,vions>%,of area of unit drew polygons on aerial photo or map � <br /> Depressions present but cover< 1/2 area of wetland poinu=2 <br /> No de ressions resent oinu=0 <br /> R R 1.2 Chxracteristics of the vegetation in the cnit(ereas wich>9o°io cover et persun heiqhq: Figure_ <br /> Trees or shrubs>2/3 the area of the unit points-8 <br /> Trees or stwbs> 1/3 azea of the unit poinu=6 <br /> tJngrazed,herbacoous plana>2/3 nrea ofunit poinu=6 <br /> Ungrazed herba�eous planu> 1/3 area of unit poinu=3 �,� <br /> Trees,stwbs,and m�grazed herbaceous< ]/3 area of unit poinu=0 <br /> Aerial hoto or ma showin ol ons of diHerent v etation es <br /> 1� Add the p.�ints in rhe 6oxes above I � 1 <br /> R R 2.Does the wetland unit have fhe onportunitv to improve water quality? (see p.53) <br /> Answer YES if you know or believe there are pollutar,u in goundwater or surface water <br /> coming into the wetland that would othenvise reduce water quality in streams,lakes or <br /> groundwater downgradient from the wetland7 No1e which oJthe following conditions <br /> provide rhe sources ajpollurants. A unit may hwe pollutants coming from several <br /> sources, but any sing/e source would qual�as opportuniry. <br /> 7 Grazing in the wetland or within 150ft <br /> — Unheated stormwater discharges to wetland <br /> — Tilled fields or orchards within 150 feet of wetland <br /> — A stream or culvert discharges into wetland that drains developed ueas, <br /> residential areaz,fazmed fields,roads,or clear-cuc logging <br /> — Residential,urban areas,golf courses are within 150 ft of wetland <br /> — The river or stream linked to the wetland haz a conVibuting basin where human <br /> activities have raised levels of sedimen[,toxic compounds or nutrienu in the river <br /> water above standards for water quality mul[iplier <br /> — Other � <br /> YES multiplier is 2 NO multiplier is 1 � <br /> R TOTAL-Water Quality Functions Multiply the score from R 1 by R 2 I a <br /> Add score!o table on . 1 <br /> Comments <br /> Nedand Rating Form—westcm Nashington 7 August 2004 <br /> version 2 <br />