Laserfiche WebLink
BOUNDARY DETERMINATION FINDINGS <br /> Wetlands were classified according to the U.S. Fish and Wildlife Service (USFWS) Cowardin <br /> system Classification of Wetlands and Deepwater Habitats of the United States(Cowardin et al., <br /> 1979) and rated, by categories, according to the Washington State Department of Ecology <br /> Washington State wetland rating system for western Washington —Revised, as required by the <br /> City of Everett Critical Areas Regulations, Title 19, Chapter 37. Buffers are also determined by <br /> this chapter. <br /> Wetland A <br /> HGM Class:Slope <br /> Cowardin: Palustrine, Forested wetland, Broad-leaved Deciduous, Seasonally Flooded/ <br /> Saturated (PF01E) <br /> Ecology Rating: Category III <br /> City of Everett Rating: Category III, 60' Buffer <br /> Wetland A is located along the western border of the site and extends off-site to the north, <br /> south, and west. This wetland drains to a Type Ns stream that flows north and comprises a <br /> portion of the headwaters of Pigeon Creek No. 1. This hydrogeomorphic class slope wetland <br /> received a total score for functions of 34 points (10 points for Water Quality Functions, 10 <br /> points for Hydrologic Functions, and 14 points for Habitat Functions) on the DOE Wetland <br /> Rating Form for Western Washington (Version 2). Wetlands with scores between 30 and 50 <br /> points for all functions are classified as Category III wetlands, per EMC 37.110. In the City of <br /> Everett, Category III wetlands with habitat scores of less than 19 points typically receive 60-foot <br /> protective buffers measured from their delineated edge. <br /> Vegetation in this wetland is represented by a canopy of black cottonwood (Populus <br /> balsamifera, Fac) and paper birch (Betula papyrifera, Fac), with Himalayan blackberry (Rubus <br /> armeniacus, FacU), reed canarygrass (Phalaris arundinacea, FacW), yellow archangel <br /> (Lamiastrum galeobdolon, Nol/Upl), creeping buttercup (Ranunculus repens, Fac), and field <br /> horsetail (Equisetum arvense, Fac), in the understory. Soils in this wetland have a Munsell color <br /> of dark gray (10YR 3/1) with redoximorphic features of dark yellowish brown (10YR 4/4) and <br /> light brownish gray(10YR 6/2), and a texture of silt loam from 0 to 18 inches below the surface. <br /> Soils in this wetland were saturated at 14 inches below the surface during our September 2015 <br /> site investigation. <br /> Acre Environmental Consulting, LLC October 29,2015 <br /> CAS&Buffer Mitigation Plan for—Kymera Inc.-7702 Rainier Drive <br /> Everett,WA Page 5 <br />