EXH0351021176

PCHBPollution Control Hearings Board of the State of Washington

f-.t_'2-_._l 2--_PM FR_4 WATERRF_S_URCESCONS_6] r" -oj I_q_r"/ P.2 J Water Resources Consulting L.L.C. July 3, 2001 U.S. Army Corps of Engineers Regulatory Branch P.O. Box 3755 Seattle, Washington 98124-2255 ATTENTION: Muffy Walker, Gail Terzi Washington State Department of E=ology 3190 160_ Ave. S.E. Bellevue, Washington 98008-5452 ATTENTION: Ann Kenny RE: Department of the Army Section 404 Permit Application, ScaTa= Airport Rdcrence: 1996-4-02325 Dear Ms. Walker, Terz], and Ke,nny: ,. War= Resour..esConsultingLLC hasbeenmgage,d bythe A_ort CommuitiesCoalitionto provide technical analysis of war= zesour¢_ and water quality issues arising from the Port of SeaRl¢'s Master Plan Update lxoj_"ts at SeaTac Airport.. The attacheddocument replies to thePort of Seattle'sresponsetoWater ResourcesConsulting commits on the Decea,abcr 2000 version of the Stormwatex Management-Plan and other contmnporancous documents. The format of the attached response is: numborcd Port comment in block text, followed by Water ResouzcesConsultinganswertotheimmediatelyprecedingcommem, initalics. Thank youfor takinginto accountthecnclosexi views. Singe_elY, ..._ E'Ij ":// REGULATORYBRANCH t_3 Broadway Tffe;fmm 34_ 734.144_ _iat_m. Wutiattm FAX2J60-675-1040 98225-3237U,$,A.. ' ...... AR 021176 FoT]ow-up response to Port of 5eatr7e Response Co 401/404 CommentS, Sea tt7e-Tacoma In ternationa I Airport - Reference 1996-4-02325, April 30, 2001 by water Resources Consulting LLC July 3, 2001 I. The Master Plan Update proposes to increase impervious area in the Des Moines, Miller, and Walker Creek basins by approximately 307 acres (see Table 4-1 in the Comprehensive Store=water Management Plan) total for all three basins. This number does reflect the impervious area reduction in the Miller and Walker Creek basins that will result from the acquisition and…
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