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Go to First Page <br />Wetland name or number A <br />NO - go to 6 YES - The wetland class is Riverine <br />NOTE: The Riverine unit can contain depressions that are filled with water when the river is not <br />flooding <br />6. Is the entire wetland unit in a topographic depression in which water ponds, or is saturated to the <br />surface, at sometime during the year? This means that any outlet, if present, is higher than the interior <br />of the wetland. <br />NO - go to 7 YES - The wetland class is Depressional <br />7. Is the entire wetland unit located in a very flat area with no obvious depression and no overbank <br />flooding? The unit does not pond surface water more than a few inches. The unit seems to be <br />maintained by high groundwater in the area. The wetland may be ditched, but has no obvious natural <br />outlet. <br />NO-goto8 <br />YES - The wetland class is Depressional <br />8. Your wetland unit seems to be difficult to classify and probably contains several different HGM <br />classes. For example, seeps at the base of a slope may grade into a riverine floodplain, or a small <br />stream within a Depressional wetland has a zone of flooding along its sides. GO BACK AND IDENTIFY <br />WHICH OF THE HYDROLOGIC REGIMES DESCRIBED IN QUESTIONS 1-7 APPLY TO DIFFERENT <br />AREAS IN THE UNIT (make a rough sketch to help you decide). Use the following table to identify the <br />appropriate class to use for the rating system if you have several HGM classes present within the <br />wetland unit being scored. <br />NOTE: Use this table only if the class that is recommended in the second column represents 10% or <br />more of the total area of the wetland unit being rated. If the area of the HGM class listed in column 2 <br />is less than 10% of the unit; classify the wetland using the class that represents more than 90% of the <br />total area. <br />HGM classes within the wetland unit <br />being rated <br />HGM class to <br />use in rating <br />Slope + Riverine <br />Riverine <br />Slope + Depressional <br />Depressional <br />Slope + Lake Fringe <br />Lake Fringe <br />Depressional + Riverine along stream <br />within boundary of depression <br />Depressional <br />Depressional + Lake Fringe <br />Depressional <br />Riverine + Lake Fringe <br />Riverine <br />Salt Water Tidal Fringe and any other <br />class of freshwater wetland <br />Treat as <br />ESTUARINE <br />If you are still unable to determine which of the above criteria apply to your wetland, or ifyou have <br />more than Z HGM classes within a wetland boundary, classify the wetland as Depressional for the <br />rating. <br />Wetland Rating System for Western WA: 2014 Update 4 <br />Rating Form - Effective January 1, 2015 <br />