9307 18TH AVE W 2025-04-18 - Laserfiche WebLink

Wetland name or number Wetland A DEPRESSIONAL AND FLATS WETLANDS Water Quality Functions - Indicators that the site functions to improve water quality D 1.0. Does the site have the potential to improve water quality? D 1.1. Characteristics of surface water outflows from the wetland: ❑Wetland is a depression or flat depression (QUESTION 7 on key)with no surface water leaving it(no outlet). points=3 ❑Wetland has an intermittently flowing stream or ditch, OR highly constricted permanently flowing outlet. 1 points=2 Wetland has an unconstricted,or slightly constricted,surface outlet that is permanently flowing points= 1 Wetland is a flat depression (QUESTION 7 on key),whose outlet is a permanently flowing ditch. points= 1 D 1.2.The soil 2 in below the surface (or duff layer) is true clay or true organic(use NRCS definitions).Yes=4 No=0 0 D 1.3.Characteristics and distribution of persistent plants(Emergent,Scrub-shrub,and/or Forested Cowardin classes): ❑Wetland has persistent, ungrazed, plants>95%of area points=5 ❑Wetland has persistent, ungrazed, plants>% of area points=3 3 ❑Wetland has persistent, ungrazed plants>1/10 of area points= 1 ❑Wetland has persistent, ungrazed plants<1/10 of area points=0 D 1.4.Characteristics of seasonal ponding or inundation: This is the area that is ponded for at least 2 months.See description in manual. ❑Area seasonally ponded is>%total area of wetland points=4 4 ❑Area seasonally ponded is>%total area of wetland points=2 ❑Area seasonally ponded is<%total area of wetland points=0 Total for D 1 Add the points in the boxes above 1 8 Rating of Site Potential If score is: 12-16= H ✓ 6-11 = M 0-5= L Record the rating on the first page D 2.0. Does the landscape have the potential to support the water quality function of the site? D 2.1. Does the wetland unit receive stormwater discharges? Yes= 1 No=0 1 D 2.2. Is> 10%of the area within 150 ft of the wetland in land uses that generate pollutants? Yes= 1 No=0 1 D 2.3.Are there septic systems within 250 ft of the wetland? Yes=1 No=0 1 D 2.4.Are there other sources of pollutants coming into the wetland that are not listed in questions D 2.1-D 2.3? 0 Source Yes= 1 No=0 Total for D 2 Add the points in the boxes above 3 Rating of Landscape Potential If score is: ✓ 3 or 4= H 1 or 2 = M 0= L Record the rating on the first page D 3.0. Is the water quality improvement provided by the site valuable to society? D 3.1. Does the wetland discharge directly(i.e.,within 1 mi)to a stream, river, lake,or marine water that is on the 303(d) list? Yes= 1 No=0 1 D 3.2. Is the wetland in a basin or sub-basin where an aquatic resource is on the 303(d) list? Yes= 11 No=0 1 D 3.3. Has the site been identified in a watershed or local plan as important for maintaining water quality-(answer YES 2 if there is a TMDL for the basin in which the unit is found)? Yes-2 No=0 Total for D 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 5 Rating Form-Effective January 1,2015