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Clissification of Vegetated Wetl�nds in Watem Washington <br />If the hydrologic criteria listed in each quesaon do not apply to the cntirc unit being rated, you probably have a unit <br />with multiple HGM claues. In ihis case, indrntify which hydrologic critain in queriions 1-7 epply end go to <br />Question 8. <br />1. Are the water Ievcls in the entirc unit usually controlled by tides (i.e., except during floods)7 <br />❑+ NO - go to 2 ❑ YES - the weUand class is Tidal Fringe <br />If YCS, is thc saliniry of the watcr during periods of annual low Oow below 0.5 ppt (parts per ihousand)T <br />❑ YES - Freshw�ter Tidd Fringe ❑ NO - Sdtwater Tid�l Fringe (Esta�rine) <br />Ijyour wet(and ean be cfacsified as a Freshwafer Tidal Fringe, use tht jorms jor Riverint weflands. ljit <br />is Sa(twa�er Tidnf Fringe, rt is rated as an Esruarine werland. Wetlands that werc celled estuarine in ihe <br />first and sccond cdiGons of �he rnting system are callcd SaltwatttTidal Fringe in the llydro6eomorphic <br />C�assification. Gstuarir.e wc�lands werc categorized scparately in the earlitt editions, and this uparfltion is <br />bcing kept in this rcvision. To maintain consiriency between cditions, the te�m "Estuerine" wetlmd is <br />bcing kept Please note, however, ihet the characteristics thet define Category I and II atuarine weUands <br />- havc chenged (sce p. �e). <br />2. The rntire wetlend unit is }lat end prccipitation is only source (>90%) oCwater to iL Groundwater end surface wata <br />runoff ere NOT sources of water to the uniL <br />❑+ NO • go to 3 ❑ YES - the weUend cless is Fl�b <br />If your wcAand can be clAssificd as a"Flats" wcUand, use the form Cor Depression�l wetlends. <br />3. Docs ihe entire wetland unit meel both oCthe following critcria7 <br />❑ Thc vcgctatcd part of thc wctland is on the shorcs of a body of pertnanent open water (wilhout eny <br />vegetation on the sudece) at least 20 acres (8 he) in sizo; <br />❑ At Icast 30% of the opcn water arca is deeper then 6.6 feet (2 m)7 <br />❑+ NO - go to 4 ❑ YES - the wetlend cless is L�kahinge (L�cu�trine Fringe) <br />4. Docs the cntirc wcUand unit meet all oCthc following criterie7 <br />❑+ Thc wellend is on a slopc (slope can be very gradua! ). <br />[]7'he watcr Oows through thc wctlend in onc dircction (unidirectional) and usually comcs Crom sccps. It <br />mey Oow subsudace, as sheetilow, or in a swale without distinet banks. <br />❑ The weter Icavcs the wetlend without being impounded. <br />NOTE: Surjace wafer dces notpond in these rype ojwel7ands except occa�iowlly in very small and <br />shallow depressions nr behind hummocks (depresstonr are usuafly <3 jeet in diameter and less �han 1 <br />joordeep). <br />❑ NO - go to 5 ❑ YGS • thc wetland clazs is Slope <br />Welland Rating Fortn - Westem Washington <br />