EXH0042017574

PCHBPollution Control Hearings Board of the State of Washington

-- _.g co,,.w R E C E I V E D Department of Natural Resources D=recmr's Olficc ,,,_.,_.,.,c,.,,,., AUG - 2 ZOO1 201 _ =ulh.Jack._mStreet,Suite700 _.,,,,_.w._:,M,_-._s OEPT OF ECOLOG" August 3, 2001 Ann Keuny, Senior Permit Specialist Washington Departmentof Ecology NorthwestRegionalOffice 3190 - 160th Avenue Southeast Bellevue, WA 98008-54552 Dear Ms. Kenny: KingCounty is pleased to have had the opportunity to assist the Depa_taient of Ecology by making its technical review capacity and knowledge of local stormwater conditions available for the review of the Port of Seattle's Comprehensive Stormwater Management Plan (SNIP) for Master Plan Improvements at SeaTac International Airport. This effort has set an excellent example of how state and local government can work cooperatively in addressing pressing issues facing the region. As with our previous reviews ofthis project, it is importantto keep in mind the limitations of the work that we have performed. First, this review is limited to ascertaining whether the SMP attained minimum compliance with the 1998 King County Surface Water Design Manual. Compliance with the technical provisions of the Design Manual does not mitigate all potential impacts of development and may not provide sufficient information to allow for approval under other codes andregulations. Compliance with the Design Manual is, however, a good start towards mitigating the impacts of this large and complex project. It is also importantto remember that this review is limited to those development activities identified by the Portof Seattle as being Master Plan Update Improvements. While other projects of varyingmagnitude arebeing proposed…
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