Four cities near Sea-Tac Airport — Burien, Des Moines, Normandy Park, and SeaTac — have joined together under a formal interlocal agreement to coordinate their review of the Port of Seattle's Sustainable Airport Master Plan (SAMP), which could bring significant noise and environmental impacts to surrounding communities over the next 20 years. The agreement establishes a shared process for hiring consultants, submitting joint public comments, and responding to environmental documents produced under federal (NEPA) and state (SEPA) law. The collaboration is set to run through December 31, 2027, with the City of Des Moines managing consultant contracts and the City of Burien overseeing fiscal matters.Open full document
Notes
This interlocal agreement, entered into pursuant to RCW 39.34, establishes a framework for the cities of Burien, Des Moines, Normandy Park, and SeaTac to coordinate their review of and response to the Port of Seattle’s Sustainable Airport Master Plan (SAMP) environmental review process under NEPA and SEPA. The agreement outlines procedures for joint consultant selection and funding, with Des Moines serving as contract administrator and Burien managing fiscal matters. It also addresses roles, responsibilities, dispute resolution, and provides for the agreement to remain in effect through December 31, 2027.