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vO <br /> 3)Estimate the amount of fill and dredge material that would be placed in or removed <br /> from surface water or wetlands and indicate the area of the site that would be affected. <br /> Indicate the source of fill material, <br /> 4)Will the proposal require surface water withdrawals or diversions? Give general <br /> description, purpose,and approximate quantities if known. <br /> 5)Does the proposal He within a 100-year floodplain? If so, note location on the site plan. <br /> 6)Does the proposal involve any discharges of waste materials to surface waters? If so, <br /> describe the type of waste and anticipated volume of discharge. <br /> I <br /> b. Ground Water. <br /> 1)Will groundwater be withdrawn from a well for drinking water or other purposes? If so, <br /> give a general description of the well, proposed uses and approximate quantities <br /> withdrawn from the well. Will water be discharged to groundwater? Give general <br /> description, purpose, and approximate quantities if known. <br /> ;Yo <br /> 2) Describe waste material that will be discharged into the ground from septic tanks or <br /> other sources, if any(for example: Domestic sewage; industrial, containing the <br /> following chemicals. . . ; agricultural; etc.). Describe the general size of the system, the <br /> number of such systems, the number of houses to be served(if applicable), or the <br /> number of animals or humans the system(s)are expected to serve. <br /> !1v <br /> c. Water runoff(including stormwater): <br /> 1) Describe the source of runoff(including storm water)and method of collection <br /> and disposal, if any(include quantities, if known). Where will this water flow? <br /> Will this water flow into other waters? If so, describe. <br /> Post-developed runof will be generated from the proposed roof,sidewalks and parking lot. The bulk of the <br /> on-site surf ace rune-and roof drainage will be collected and piped to a siornnrater detention system located <br /> tinder the parking lot, which will outflow to the existing storms drain main in 1.lerkshire Drive. The <br /> emergency enc}y overflow will direct stormwater into the proposed earl am!gutter along Berkshire Drive. Runoff <br /> from the site will be reduced to less than 50%of existing for the 2-year storm,and less than the predei'eloped <br /> flow fir-hot/i the 10-year and 100year storms. <br /> 2)Could waste materials enter ground or surface waters? If so,generally describe. <br /> No <br /> SEPA Environmental checklist(WAC 19741.980) July 2016 Page 5 of 16 <br />