11921 SILVER LAKE DR 2022-04-05 - Laserfiche WebLink

• Wetland name or number Wetland A LAKE FRINGE WETLANDS Water Quality Functions - Indicators that the site functions to improve water quality L 1.0. Does the site have the potential to improve water quality? L 1.1.Average width of plants along the lakeshore(use polygons of Cowardin classes): Plants are more than 33 ft(10 m)wide points=6 Plants are more than 16 ft(5 m)wide and<33 ft points=3 1 Plants are more than 6 ft(2 m)wide and<16 ft points= 1 Plants are less than 6 ft wide points=0 L 1.2.Characteristics of the plants in the wetland: Choose the appropriate description that results in the highest points,and do not include any open water in your estimate of coverage. The herbaceous plants can be either the dominant form or as an understory in a shrub or forest community. These are not Cowardin classes.Area of cover is total cover in the unit,but it can be in patches. Herbaceous does not include aquatic bed. Cover of herbaceous plants is>90%of the vegetated area points=6 Cover of herbaceous plants is>2/3 of the vegetated area points=4 3 Cover of herbaceous plants is>1/3 of the vegetated area points=3 Other plants that are not aquatic bed>2/3 unit points=3 Other plants that are not aquatic bed in>1/3 vegetated area points= 1 Aquatic bed plants and open water cover>2/3 of the unit points=0 Total for L 1 Add the points in the boxes above 4 Rating of Site Potential If score is:_8-12=H /4-7=M 0-3=L Record the rating on the first page L 2.0. Does the landscape have the potential to support the water quality function of the site? L 2.1. Is the lake used by power boats? Yes=1 No=0 1 L 2.2. Is>10%of the area within 150 ft of wetland unit on the upland side in land uses that generate pollutants? Yes=1 No=0 1 L 2.3. Does the lake have problems with algal blooms or excessive plant growth such as milfoil? Yes=1 No=0 0 Total for L 2 Add the points in the boxes above 2 Rating of Landscape Potential: If score is:(2 or 3=H _1= M _0=L Record the rating on the first page L 3.0. Is the water quality improvement provided by the site valuable to society? L 3.1. Is the lake on the 303(d) list of degraded aquatic resources? Yes=1 No=0 1 L 3.2. Is the lake in a sub-basin where water quality is an issue(at least one aquatic resource in the basin is on the 303(d)list)? Yes=1 No=0 1 L 3.3.Has the site been identified in a watershed or local plan as important for maintaining water quality?Answer YES if there is a TMDL for the lake or basin in which the unit is found. Yes=2 No=0 2 Total for L 3 Add the points in the boxes above 4 Rating of Value If score is: 2-4= H _1=M _0=L Record the rating on the first page Wetland Rating System for Western WA:2014 Update ' 9- Rating Form—Effective January 1,2015 7.())