7609 44TH AVE W 2023-12-28 - Laserfiche WebLink

Wetland name or number A SLOPE WETLANDS Water Quality Functions - Indicators that the site functions to improve water quality S 1.0. Does the site have the potential to improve water quality? S 1.1. Characteristics of the average slope of the wetland: (a 1%slope has a 1 ft vertical drop in elevation for every 100 ft of horizontal distance) ❑Slope is 1%or less points=3 1 ❑Slope is>1%-2% points=2 ❑Slope is>2%-5% points= 1 ❑Slope is greater than 5% points=0 S 1.2.The soil 2 in below the surface(or duff layer) is true clay or true organic(use NRCS definitions): Yes=3 No=0 1 0 S 1.3. Characteristics of the plants in the wetland that trap sediments and pollutants: Choose the points appropriate for the description that best fits the plants in the wetland. Dense means you have trouble seeing the soil surface(>75%cover), and uncut means not grazed or mowed and plants are higher than 6 in. ❑Dense, uncut, herbaceous plants>90%of the wetland area points=6 3 ❑Dense, uncut, herbaceous plants>%of area points=3 ❑Dense,woody, plants>%of area points=2 ❑Dense, uncut, herbaceous plants>%of area points= 1 QDoes not meet any of the criteria above for plants points=0 Total for S 1 Add the points in the boxes above 4 Rating of Site Potential If score is:_12=H _6-11=M ✓ 0-5=L Record the rating on the first page S 2.0. Does the landscape have the potential to support the water quality function of the site? S 2.1. Is> 10%of the area within 150 ft on the uphill side of the wetland in land uses that generate pollutants? 1 Yes= 1 No= 0 S 2.2.Are there other sources of pollutants coming into the wetland that are not listed in question S 2.1? 0 Other sources Yes= 1 K3 Total for S 2 Add the points in the boxes above 1 Rating of Landscape Potential If score is: ✓ 1-2=M 0=L Record the rating on the first page S 3.0. Is the water quality improvement provided by the site valuable to society? S3.1. Does the wetland discharge directly(i.e.,within 1 mi)to a stream, river, lake, or marine water that is on the 0 303(d) list? Yes= 1 K=0 S3.2. Is the wetland in a basin or sub-basin where water quality is an issue?At least one aquatic resource in the basin is 1 on the 303(d)list. Yes= 1 No=0 S3.3. Has the site been identified in a watershed or local plan as important for maintaining water quality?Answer YES 0 if there is a TMDL for the basin in which unit is found. Yes=2 E=0 Total for S 3 Add the points in the boxes above 1 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 11 Rating Form—Effective January 1,2015