TagILA(23)
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1997-09-04City of SeaTac 1997 Interlocal Agreement ILA with Port Of Seattle
★ 32The original Interlocal Agreement (ILA) between the Port of Seattle and the City of SeaTac. -
City of SeaTac primary Interlocal Agreements with Port of Seattle (ILA)
The City of SeaTac has had a unique relationship with 1Sea-Tac Airport since its founding in 1990. (Fun fact: the originally proposed city boundaries did not include the property which now comprises 43% of its land area.) But as soon as the decision was made, how to benefit from the relationship with the Port of -
2018 interlocal agreement port of seattle and city of seatac page 25 1
This official map from the City of SeaTac, prepared in coordination with the Port of Seattle and King County Metro Sound Transit, delineates Airport Activity Areas (AAA) around Seattle-Tacoma International Airport, distinguishing Inside AAA, Outside AAA, Future AAA, and Addition zones. The map shows surrounding jurisdictions including Burien, Tukwila, and Normandy Park, major roads, transit stations (SeaTac/Airport Station, Tukwila International Blvd Station, Angle Lake Station), and key highways including SR 509, SR 518, SR 599, I-5, and I-405. -
2018 interlocal agreement port of seattle and city of seatac page 25
This is Appendix 3A from a City of SeaTac planning document, showing the Airport Activity Areas (AAA) map for the Seattle-Tacoma International Airport region. The map delineates Inside AAA, Outside AAA, Future AAA, and Addition zones, and was prepared by the City of SeaTac using data from the Port of Seattle and King County Metro Sound Transit, with a scale of 2,000 feet / 0.5 miles. -
2026-01-01Resolution creating the Port Of Seattle Negotiation Council Committee (PNC) and authorizing interlocal agreement negotiations
The City of SeaTac passed a resolution creating the Port of Seattle Negotiation Committee (PNC), an ad hoc council committee tasked with guiding negotiations between the city and the Port of Seattle, which owns and operates Seattle-Tacoma International Airport. The committee, composed of Deputy Mayor Senayet Negusse, Councilmember Peter Kwon, and Councilmember Joe Vinson, will work toward developing a new Interlocal Agreement to replace the current 2018 agreement set to expire in February 2028. The resolution also authorizes the City Manager to formally initiate those negotiations with the Port of Seattle. -
2026-01-01Resolution creating the Port Of Seattle Negotiation Council Committee (PNC) and authorizing interlocal agreement negotiations
The City of SeaTac passed a resolution creating the Port of Seattle Negotiation Committee (PNC), an ad hoc council committee tasked with guiding negotiations between the city and the Port of Seattle, which owns and operates Seattle-Tacoma International Airport. The committee, composed of Deputy Mayor Senayet Negusse, Councilmember Peter Kwon, and Councilmember Joe Vinson, will work toward developing a new Interlocal Agreement to replace the current 2018 agreement set to expire in February 2028. The resolution also authorizes the City Manager to formally initiate those negotiations with the Port of Seattle. -
2025-11-12Sea-Tac City Council Request for Council Action: Agenda Bill 6794 — Authorization for Legal Services Letters of Engagement, Four-City Interlocal Agreement Amendment, and 2025-2026 Budget Amendment for SAMP NEPA/SEPA Review
The SeaTac City Council is considering an ordinance to hire outside legal counsel and update a cost-sharing agreement with the cities of Burien, Normandy Park, and Des Moines to challenge or engage with the FAA's environmental review of Seattle-Tacoma International Airport expansion plans. The four cities would jointly retain two law firms—Leech Tishman for federal NEPA matters and Ogden Murphy Wallace for state SEPA matters—at an estimated cost of $350,000, with SeaTac covering roughly 26% and recovering the rest from its partner cities. The effort is driven by the FAA's September 2025 issuance of a Final Environmental Assessment and Finding of No Significant Impact, which must be challenged by November 25, 2025. -
2025-11-12
Sea-Tac City Council Request for Council Action: Agenda Bill 6794 — Authorization for Legal Services Letters of Engagement, Four-City Interlocal Agreement Amendment, and 2025-2026 Budget Amendment for SAMP NEPA/SEPA Review
The SeaTac City Council is considering an ordinance to hire outside legal counsel and update a cost-sharing agreement with the cities of Burien, Normandy Park, and Des Moines to challenge or engage with the FAA's environmental review of Seattle-Tacoma International Airport expansion plans. The four cities would jointly retain two law firms—Leech Tishman for federal NEPA matters and Ogden Murphy Wallace for state SEPA matters—at an estimated cost of $350,000, with SeaTac covering roughly 26% and recovering the rest from its partner cities. The effort is driven by the FAA's September 2025 issuance of a Final Environmental Assessment and Finding of No Significant Impact, which must be challenged by November 25, 2025. -
2024-02-29Contract Addendum/Amendment: City of Des Moines and Vianair, Inc. — Extension Through December 31, 2025
This contract amendment extends the agreement between the City of Des Moines, Washington, and Vianair, Inc., an aviation consulting firm, through December 31, 2025. The amendment, signed in early 2024, builds on an original contract from July 2017 that had previously been amended three times. Vianair likely provides noise analysis or air traffic consulting services related to Sea-Tac Airport on behalf of the City. -
2023-04-05Des Moines Creek Basin Committee: Options for Moving Forward
This April 2023 presentation by Erin Nelson outlines options for the Des Moines Creek Basin Committee moving forward, focusing on decisions to be included in the next Interlocal Agreement (ILA). The meeting agenda covers a review of past studies and committee accomplishments, discussion of what has worked and what needs improvement, and selection of workable options for the basin's future management. The document includes maps and imagery related to infrastructure features such as the Northwest Ponds, Tyee Pond, sediment traps, and flow bypass pipes within the Des Moines Creek watershed.