Airport Advisory Committee 2026 Workplan — City Council Agenda Item, Des Moines, WA

The Des Moines, WA City Council is reviewing a 2026 workplan for its Airport Advisory Committee, an advisory body created in June 2025 to address issues related to Seattle-Tacoma International Airport. The workplan focuses primarily on the airport's Sustainable Airport Master Plan (SAMP) and its environmental review process, with the committee advocating for expanded air quality monitoring, a more comprehensive traffic impact analysis, and stronger noise mitigation measures for affected residents. The committee also plans to conduct a community survey in mid-2026 to gauge public awareness of the airport's projected operational growth and its impacts on the Des Moines community.

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City Council agenda item from Des Moines, WA (January 22, 2026) presenting the Airport Advisory Committee 2026 Workplan for approval. The Ad-hoc Airport Advisory Committee, created June 12, 2025, addresses issues related to Sea-Tac Airport and acts in an advisory capacity to the City Council. The workplan focuses on the Sustainable Airport Master Plan (SAMP) SEPA Draft Environmental Impact Statement (EIS), Part 150 Study, air quality monitoring expansion, toxicologist addition to the SAMP SEPA EIS response team, traffic analysis under NEPA and SEPA including WSDOT HWY 509 impacts, StART (SEA Stakeholder Advisory Roundtable) representation, noise mitigation, eminent domain research for noise-affected properties, and a planned community survey. Includes Interlocal Agreement (ILA) with cities of Burien and SeaTac for shared legal counsel on SAMP SEPA/NEPA response.

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