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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.

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  • 2026-08-28

    Chapter 1 Introduction, City Vision, and Planning Framework Background Report

    This document is Chapter 1 of the City of SeaTac's Comprehensive Plan (Envision SeaTac 2044), providing an introduction to the city's planning framework, urban growth area designations, and community profile. It outlines how the plan was developed in accordance with Washington State's Growth Management Act, the Puget Sound Regional Council's Vision 2050 strategy, and King County Countywide Planning Policies. Note that this chapter focuses on land use planning and demographic data rather than airport noise policy specifically.
    TagsCity Of SeaTac, Comprehensive Plan, King County Council, Puget Sound Regional Council, RCWFolderComprehensive Plan
  • 1x intro planning framework br pdf
    2026-08-28

    Introduction, City Vision, and Planning Framework Background Report

    This document is Chapter 1 of the City of SeaTac's Comprehensive Plan (Envision SeaTac 2044), providing an introduction to the city's planning framework, urban growth area designations, and community profile. It outlines how the plan was developed in accordance with Washington State's Growth Management Act, the Puget Sound Regional Council's Vision 2050 strategy, and King County Countywide Planning Policies. Note that this chapter focuses on land use planning and demographic data rather than airport noise policy specifically.
    TagsCity Of SeaTac, Comprehensive Plan, King County Council, Puget Sound Regional Council, RCWFolderComprehensive Plan
  • 2026-07-15

    Sea-Tac Communities Plan background and environmental findings

    This document summarizes the Sea-Tac Communities Plan, a 1973 joint study by the Port of Seattle and King County to improve compatibility between Sea-Tac International Airport and its surrounding neighborhoods. The plan examined aircraft noise exposure, air and water quality, and community growth, finding that noise levels were expected to decrease over time due to quieter aircraft technology despite rising flight operations. It proposed a range of noise remedy programs—including property acquisition, purchase guarantees, and insulation assistance—affecting thousands of homes in areas north and south of the airport.
    TagsKing County Council, Noise Remedy Program, Peat Marwick Mitchell, Port Of Seattle, Sea-Tac Communities PlanFoldermisc
  • 2025-11-11

    Introduction and Public Hearing of Resolution No. 3839, Adopting the Final Budget of the Port Of Seattle for the Year 2026

    The Port of Seattle Commission held a public hearing on November 11, 2025, to introduce Resolution No. 3839, which proposes adopting the Port's official budget for the year 2026. The budget process, which began in May 2025, included multiple Commission briefings covering operating and capital expenditures across aviation, maritime, and central services divisions. Final adoption was scheduled for November 18, 2025, after which the statutory budget would be filed with the King County Council and Assessor's Office.
    TagsBudget, King County Council, Port Of Seattle Commission, Property Tax Levy, Tax LevyFolder2026
  • 2023-12-18

    King County Ordinance 19713 KCIA/Boeing Field Roundtable

    King County Ordinance 19713 (File 2023-0053), sponsored by Joe McDermott and Girmay Zahilay, amending K.C.C. 15.94.010, 15.94.030, 15.94.050, and adding a new section to K.C.C. 15.08 related to the King County International Airport (KCIA)/Boeing Field community roundtable. The ordinance preamble details environmental justice concerns in the Duwamish valley communities of South Park and Georgetown —
    TagsBoeing Field, Duwamish River, KCIA, KCIACC, King County, King County CouncilFolderKing County
  • Kc 2023 0053 v2 pdf
    2023-12-18

    King County Ordinance 19713 KCIA/Boeing Field Roundtable

    King County Ordinance 19713 (File 2023-0053), sponsored by Joe McDermott and Girmay Zahilay, amending K.C.C. 15.94.010, 15.94.030, 15.94.050, and adding a new section to K.C.C. 15.08 related to the King County International Airport (KCIA)/Boeing Field community roundtable. The ordinance preamble details environmental justice concerns in the Duwamish valley communities of South Park and Georgetown —
    TagsBoeing Field, Duwamish River, KCIA, King County, King County CouncilFolderKing County
  • 2023-08-22

    Highline on way to decentralization

    The Highline area may become an experiment in decentralized county government services, with County Executive John Spellman recommending the use of existing buildings throughout King County as community service centers rather than constructing new mini-courthouses. The initiative, backed by a study from the County Department of Community and Environmental Development, aims to improve government responsiveness by bringing county services such as parks, assessor, and other offices closer to residents. A surplus school building in the Hamlin Park-Firlands area has been suggested as a potential site for a new north precinct police station.
    Tagscommunity development, King County, King County Council, local governmentFolderHighline Times
  • 2023-07-29

    King Lysen for King County Council Position 7 campaign flyer

    This is a campaign mailer for King Lysen, a Democratic candidate for King County Council Position 7, running on a platform of government accountability and citizen advocacy. Lysen was notably active in fighting Sea-Tac Airport noise pollution, leading anti-noise efforts and sponsoring a state bill to expand the Port Commission from five to nine members. Endorsed as a 'rising star' by the Argus newspaper and rated 'good' by the Municipal League, Lysen campaigned on vigorously questioning government spending and operations in King County.
    TagsBurien, candidates, election endorsements, King County Council, King LysenFolderPolitics
  • 1994 King County Council Districts

    A 1994 map from the King County Department of Records showing the 13 Metropolitan King County Council Districts, held by the Seattle Public Library (call number SEAMAP G4283.K3 F7 1994 .K5). The legend lists all 13 councilmembers by district, including representatives for districts covering the Sea-Tac area: District 7 (Pete von Reichbauer), District 13 (Christopher Vance), and District 5 (Ron Sims).
    TagsKing County, King County Council, MapFolderKing County
  • 1981 King County Council Districts

    A 1981 King County, Washington official map showing nine County Council Districts with council member names and phone numbers listed (Tracy J. Owen through Gary Grant, Districts 1–9). The map was catalogued by the Seattle Public Library under History/State Doc and includes the King County Courthouse address in Seattle, WA 98104.
    TagsKing County, King County Council, MapFolderKing County

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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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