Laserfiche WebLink
\Vcdand n;mic or numbcr <br />Classification of Wetland Units in �V�stcrn Washington <br />IC thc hydrologic critcria listed in cach question do nol apply to the entirc unit being <br />rated, you probaLly havc a unit �tiith multiple HGM classes. In this casc, identify which <br />hydrologic crit�ria in qucstions 1-7 apply, and go �o Qucstion 8. <br />I. Are tlie water levels in the entire unit usttally controtled by tides (i.e. escept during floods)° <br />✓QNO - go to 2 � 1'ES - tl�e wedand class is Tidal Pringc <br />If ycs, is thc saliniry of thc watcr during periods of annual low f]av bclow 0.5 ppt (parts per <br />thousand)? YES -['reshwater Tidal Fringe V- Salhvater Tidal Fringe (Estuarinc) <br />/f yoeu• rvetla��un be class f ed as a rr�.rhwate�da! Fringe use /he jorrns for Rivcrinc <br />wellau/.s. If it is Salncnter Tidal Fringe rt is rnred as an Estuari�re wetla�rt �Vetlands diat <br />were called estuarine in thc first and sccond editions of the rating system are called Salt <br />Watcr Tidal Fringc in thc Hydrogcomorphic Classification. Estuarinc wedands wcrc <br />categorized separatel}' in the carlier editions, and this separation is being kept in this <br />rcvision. To maintain consistency bchvicen edition;, thc term "E-smarine" «�cdand is kept. <br />Please note, 6owever, that the characteristics that define Category f and 11 esmarine <br />weQands have cha�ged (see p. ). <br />2. The entire wedand unit is flat and precipitation is the only source (>90%) of watcr to it. <br />Groundwater and surfacc water runoff arc NOT sources of water to d�e unit. <br />✓ONO - go to 3 ❑YES - The wedand class is Flats <br />[f your wcdand can be dassified as a"Plats" wctland, use the fortn for Depn.sional <br />wcUands. <br />3. Dacs ihc entire wedand unit mcet both of the following criteria? <br />_ I'he vcgetated part of the wedand is on the shores of a body of pern�anent open �eater <br />(without any vegetatio!i nn the surface) at Icast 20 acres (8 lia) in size; <br />�t least 30° � of thc open water arca is decper than 6.6 R(Z m)? <br />✓❑NO - ga to 4 ❑YES - Thc wctlanJ class is L:ikc-fringe (Lacustrinc Gringc) <br />4. Durc the entire wedand unit meel all of the following criteria? <br />The �ectland is on a sfopc (slape can be i�e�}� g�'adun7), <br />_ The water flows through �he wedand in one dircction (unidircctional) and usualh� <br />comcs from seeps. It may flow subsurface, as shcetflotv, or in a swalc �eithout <br />distinct banks. <br />Thc watcr Icavcs thc wcAand ��i�hout bcing impoundcd'? <br />N07�}:' Surj�ce irnter does nor pon�l in ;hese tvpe oJmeduml.c ex�ept n<�rn.riunalh� rn <br />very smn!l mid .rhalJo�v depressimts or bc;tind %ttu�io�ockr (dcpre.ssiun.r nrc us7�::!Ir <br /><3j! dinmerer anr!less rhm� ! foot ciee�l. <br />� NO - go l0 5✓QYF.S - Thc wcdand cl:�;s is Slopc <br />NtdanJ Rating Form — wcstcm \V�shinrton 3 August'_'004 <br />�'ersiun'_ UpAa�ed with new 15DF\V d�finmons Oct. 2009 <br />