May 17, 2001August 2, 2026

EXH AR017794: Email from Raymond Hellwig to Thomas Fitzsimmons Re: Discussion Paper on Key Issues — SMP, LFM, and NRMP

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Email dated May 17, 2001 from Raymond Hellwig (Ecology) to Thomas Fitzsimmons and Tom Fitzsimmons, cc Ann Kenny, transmitting an ‘updated’ discussion paper marked deliberative and not yet available for public disclosure. The attached discussion paper (issuelink-1.doc) addresses three key issues carried forward from a September 2000 paper: (1) Stormwater Management Plan (SMP) led by Kelly Whiting, (2) Low Flow Mitigation (LFM) Plan involving base flow impact numbers for Des Moines Creek and Miller Creek, with Dave Garland assisting, and (3) Natural Resource Mitigation Plan (NRMP) led by Katie Walter with Shannon and Wilson. The paper discusses Port Of Seattle’s need to use stormwater to mitigate flows in DM and Miller Creeks, problems with double-counted rain, embankment infiltration estimates, and the interdependency of SMP, LFM, and NRMP. AR 017794, DOES 13:01 0769–0770.

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As the source for federal transportation grants, the Puget Sound Regional Council was charged with developing a system to meet the growing need for commercial aviation. When the search for a second airport failed, they authorized the Port of Seattle to build the Third Runway, with a mandate to develop a noise abatement and mitigation program. In their effort to stop the Third Runway, the ACC argued over every detail of the Port's efforts--including property buyouts and sound insulation. The dispute was meant to be settled by a three member Expert Arbitration Panel. This is their final report. It finds 2-1, that the Port's program was insufficient in several respects. Despite that, funding for the Third Runway was approved by the PSRC, and the 'Port Package' program, proceeded largely unchanged. Expert Arbitration Panel's final decision finding that the Port of Seattle had not shown sufficient reduction in real on-the-ground noise impacts to satisfy noise reduction conditions required for approval of a third runway at Sea-Tac International Airport. The majority decision concluded the Port's noise abatement programs were insufficient despite being impressive in scope.

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