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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.

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  • King County Fare Zones

    A color-coded regional map of the greater Seattle/Puget Sound area showing King, Pierce, and Snohomish counties with labeled cities including Seattle, SeaTac, Federal Way, Everett, Lakewood, Snoqualmie, Carnation, and others. Surrounding counties including Kitsap, Thurston, Mason, Skagit, and Kittitas are also visible but unshaded, suggesting this map delineates a specific study or policy area relevant to the region.
    TagsKing County, Zone 3 Committee
  • King County Zoning Codes for Noise Impacted Properties

    TagsHighline Community Plan, King County, Land Use, Noise Mitigation
  • 2023-03-29

    Community health & airport operations noise & air pollution: The King County Health Study

    The King County Health Study is a publicly funded research effort that examines how SeaTac Airport operations affect the health of surrounding communities through noise and air pollution. The study analyzes existing health data within one, five, and ten miles of the airport, reviews scientific literature on airport-related health effects, and incorporates findings from a University of Washington study on ultrafine particulate matter. It concludes with recommendations for addressing health impacts linked to airport operations.
    TagsKing County, King County Public Health, Ramboll, Sea-Tac Airport, Ultrafine Particulates
  • 2022-12-25

    North Sea-Tac Park master plan update

    The North Sea-Tac Park Master Plan Update is a joint planning document produced by King County and the Port of Seattle, prepared by Triangle Associates/Jones & Jones. It outlines recommended updates to the master plan for North Sea-Tac Park, including a phased development program and alternative implementation strategies. The plan reflects a collaborative effort to guide the park's future development in the area surrounding Seattle-Tacoma International Airport.
    TagsKing County, North Sea-Tac Park, NSTP, Parks, Port Of Seattle, Triangle Associates
  • 2022-11-29

    West sub-area planning considerations

    This draft planning document outlines west sub-area policies near Sea-Tac Airport, addressing noise impact reduction, environmental concerns, and land use transitions. Key provisions include halting mass property acquisition for noise mitigation, installing sanitary sewers near Miller Creek, controlling stormwater runoff from new airport development, and planting shade trees along local waterways. The document also proposes orderly conversion of single-family residential areas to higher-intensity uses, coordinated with the construction of S.R. 509 as a western boundary for redevelopment.
    TagsDraft, King County, Land Use, Miller Creek, Port Of Seattle
  • 2022-08-28

    Exploratory draft: Post project coordination study

    This exploratory draft outlines a proposed Post Project Coordination Study aimed at ensuring the continued implementation of programs developed under the Sea-Tac Communities Plan. It identifies key areas requiring coordination, including aircraft noise reduction, drainage improvements, community action programs, and land use controls, with principal agencies such as the Port of Seattle and King County playing central roles. The document also highlights the need for legislative advocacy at both the state and federal levels, as well as potential follow-up studies to fully carry out the plan's recommendations.
    Tagscommunity development, King County, Noise Mitigation, Port Of Seattle, Sea-Tac Communities Plan
  • Bob Grieve open letter opposing 224-78-R Boeing HQ Rezone

    CategoriesCorrespondence Tags224-78-R, Bob Grieve, Boeing, King County, Land Use
  • Highline Community Plan Environmental Impact Statement (draft supplemental) 1980

    TagsEIS, Environmental Impact Statement, Highline Community Plan, King County
  • Boeing HQ Rezone EIS Maps

    228-78-R
    Tags224-78-R, Boeing, King County, Land Use
  • 224-78-R Boeing HQ Proposed Rezone Appendix B

    Boeing Headquarters rezone Westside
    CategoriesHistory Tags224-78-R, Boeing, King County, Land Use

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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.
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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.
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