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STNI

STNISea-Tac Noise.Info

  • Solve for Sea-Tac. Solve for every airport.
  • Since 2016, working to obtain justice for everyone living under the flight path.
  • Less Noise. Cleaner Air. Better Public Health. Compensation.
  • Everything you think you know about the airport is wrong.

TagCity Of SeaTac(241)

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  • 2026-08-28

    Chapter 4 Neighborhoods Element Background Report

    This document is Chapter 4 of SeaTac's Envision SeaTac 2044 Comprehensive Plan, focusing on the Neighborhoods Element Background Report. It describes SeaTac's nine residential neighborhoods, noting challenges such as limited street connectivity, lack of sidewalks, and only one functional neighborhood business node (McMicken Heights). The report outlines the city's Citywide Growth Strategy, which prioritizes healthy, equitable, and complete neighborhoods with access to goods, services, transportation, and open spaces over the next twenty years.
    TagsCity Of SeaTac, community development, Comprehensive Plan, HousingFolderComprehensive Plan
  • 4x neighborhoods br pdf
    2026-08-28

    Neighborhoods Element Background Report

    This document is Chapter 4 of SeaTac's Envision SeaTac 2044 Comprehensive Plan, focusing on the Neighborhoods Element Background Report. It describes SeaTac's nine residential neighborhoods, noting challenges such as limited street connectivity, lack of sidewalks, and only one functional neighborhood business node (McMicken Heights). The report outlines the city's Citywide Growth Strategy, which prioritizes healthy, equitable, and complete neighborhoods with access to goods, services, transportation, and open spaces over the next twenty years.
    TagsCity Of SeaTac, community development, Comprehensive Plan, HousingFolderComprehensive Plan
  • 2026-08-28

    Chapter 2 Land Use Background Report

    This document is Chapter 2 of the City of SeaTac's Envision SeaTac 2044 Comprehensive Plan, providing a background report on land use patterns, physical features, and growth targets within the city. It covers topics including existing residential, commercial, industrial, and airport-related land uses, as well as water resources, housing and employment targets through 2044, and essential public facilities. While focused broadly on land use planning, it includes data relevant to airport-related land use and the impact of Seattle-Tacoma International Airport on surrounding development.
    TagsCity Of SeaTac, Comprehensive Plan, Land Use, Sea-Tac AirportFolderComprehensive Plan
  • 2x land use br pdf
    2026-08-28

    Chapter 2 Land Use Background Report

    This document is Chapter 2 of the City of SeaTac's Envision SeaTac 2044 Comprehensive Plan, providing a background report on land use patterns, physical features, and growth targets within the city. It covers topics including existing residential, commercial, industrial, and airport-related land uses, as well as water resources, housing and employment targets through 2044, and essential public facilities. While focused broadly on land use planning, it includes data relevant to airport-related land use and the impact of Seattle-Tacoma International Airport on surrounding development.
    TagsCity Of SeaTac, Comprehensive Plan, Land Use, Sea-Tac AirportFolderComprehensive Plan
  • 2026-08-20

    Comments from Sea-Tac, Burien, and Des Moines on the SEPA Draft EIS for Sea-Tac Airport SAMP NTP

    Joint comment letter filed August 20, 2026 by the Cities of SeaTac, Burien, and Des Moines to Port Of Seattle Senior Environmental Program Manager Steve Rybolt on the Draft SEPA Environmental Impact Statement (DEIS) for the Sustainable Airport Master Plan Near-Term Projects (SAMP NTPs) at Seattle-Tacoma International Airport (SEA). The letter documents cross-cutting deficiencies in
    TagsCity of Burien, City Of Des Moines, City Of SeaTac, Environmental Impact Statement, SAMP, SAMP Draft SEPA EIS, SAMP Four City ILA, SEPAFolderComments
  • 2026-08-11

    City of Sea-Tac Bridge Budget: 2027–2028 Biennial Budget Overview Presentation

    City of SeaTac City Manager’s Office presentation to Council Study Session on August 11, 2026, introducing the 2027–2028 Biennial Budget titled ‘The Bridge Budget: Guiding Us Across the Gap.’ Documents a projected structural gap of $1.6 million in 2027 and $4.4 million in 2028, defined as the difference between expected revenues and the cost of
    TagsBudget, city budget, city council, City Of SeaTac, local government fundingFolderSeaTac
  • 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
    CategoriesExplainers Tagsbeta, City Of SeaTac, ILA
  • 2026-07-16

    Joint letter from Burien, Des Moines, and SeaTac requesting extension of SAMP SEPA DEIS comment period

    In July 2026, the city managers of Burien, Des Moines, and SeaTac jointly wrote to Port of Seattle Commissioners demanding that the public comment period for the Sustainable Airport Master Plan's Draft Environmental Impact Statement be extended from 60 to at least 120 days. The cities argued that the document's enormous size (over 6,000 pages), technical complexity, and missing underlying data made meaningful review within 60 days impossible, particularly for lower-resource community members most affected by airport impacts. The letter also called on the Port to honor its own equity commitments by ensuring historically overburdened communities surrounding the airport have a genuine opportunity to participate in the review process.
    TagsCity of Burien, City Of Des Moines, City Of SeaTac, Environmental Impact Statement, Port Of Seattle, SAMP Draft SEPA EIS, SEPAFolderFour City ILA
  • 2026-06-18

    (Draft) Joint letter from City of Burien, City of Des Moines, and City of SeaTac to Port Of Seattle Commissioners regarding SAMP environmental review

    The mayors of Burien, Des Moines, and SeaTac jointly wrote to Port of Seattle Commissioners in 2026 to challenge the claim that airport expansion projects outlined in the Sustainable Airport Master Plan (SAMP) would have no significant impact on neighboring communities. The letter highlights concerns about aircraft noise, air pollution, traffic, and disproportionate burdens on historically disadvantaged residents living closest to the airport. The cities also demand that the public comment period for the Draft Environmental Impact Statement be extended from 60 to at least 120 days to allow for meaningful community review.
    CategoriesMeetings TagsCity of Burien, City Of Des Moines, City Of SeaTac, Environmental Impact Statement, SAMPFolderBurien
  • 2026-05-18

    Request for 90-day extension to SAMP SEPA draft EIS comment period

    The cities of SeaTac, Burien, and Des Moines jointly wrote to the Port of Seattle on May 18, 2026, requesting a 90-day public comment period for the Sustainable Airport Master Plan (SAMP) Draft Environmental Impact Statement. The cities cited the document's technical complexity, overlapping regional demands including 2026 FIFA World Cup preparations, summer scheduling constraints, and unresolved concerns from the prior federal environmental review as reasons more time is needed. The letter was signed by the SEPA Responsible Officials from all three cities and emphasizes that airport-related impacts on noise, air quality, transportation, and public health directly affect their communities.
    TagsCity of Burien, City Of Des Moines, City Of SeaTac, Port Of Seattle, SAMP Draft SEPA EIS, SAMP Four City ILAFolderFour City ILA

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Upcoming Events

  • Part 150 NCP Workshop — Burien
    Add to CalendarMSaturday Oct 17: 10:00am

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.

    [...]
  • Part 150 NCP Workshop — SeaTac
    Add to CalendarMMonday Oct 19: 6:00pm

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.

    [...]
  • Part 150 NCP Workshop — Des Moines
    Add to CalendarMTuesday Oct 20: 6:00pm

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.

    [...]

[See all...]


Issues

Sea-Tac Airport is currently undergoing the largest and longest expansion in its history, collectively known as the Sustainable Airport Master Plan (SAMP). Some of it you can already hear, but you’re probably not aware of what it all means. Here’s what you need to know.
read more...

Read This!

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.
continue...

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