August 6, 2001August 2, 2026

Exhibit 153: Email – Do Not Disclose Deliberative – Katie Walter to Ann Kenny re Port Of Seattle Wetland Mitigation Issues

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Email from Katie Walter (KLW@shanwil.com) to Ann Kenny (Ecology), forwarded to Erik Stockdale, dated August 6, 2001, marked ‘Do not Disclose Deliberative’ (AR 018322, DOE 8/13/01 0251). Discusses outstanding issues in a draft permit or approval for Port Of Seattle wetland mitigation, including mitigation ratios, construction oversight team, web site/CD-ROM for document availability, restrictive covenants disallowing recreational trails in wetlands and buffers, single integrated NRMP, sewer lines in wetlands drainage pathway, replacement drainage channel cross-section with flow spreaders and seepage, sand drains at Auburn site, and dewatering impacts on ditch along 277th and Auburn Creek. References Erik’s memo from approximately one year prior and Katie’s own memo. Borrow site 3 map also discussed.

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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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