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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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  • 2023-07-16

    King County GIS Parcel Map: Property Ownership Near Des Moines Creek Park and Sea-Tac Airport Noise Zone

    A street map showing the Des Moines and SeaTac area of Washington State, with two parcels highlighted in yellow/orange near Des Moines Creek Park and along 18th Ave S between approximately S 201st St and S 208th St. The map shows International Blvd (SR-99) and Interstate 5 to the east, in an area relevant to Sea-Tac Airport noise impact zones.
    TagsDes Moines, King County, Map, Property Rights, Sea-Tac AirportFolderProperties
  • 2023-06-07

    Port Of Seattle Highline Forum: Economic development grants, partnerships & tourism

    The Port of Seattle presented an overview of its Economic Development Partnership Grant Program, created in 2016, which provides King County cities per capita funding (capped at $60,000, with a $5,000 minimum for smaller cities) to support local economic development projects tied to the Port's Century Agenda and business interests. Cities are required to provide a 50% local match, either monetary or in-kind, to qualify for the grants. The forum also covered the Business Navigator Initiative and Tourism Recovery efforts aimed at supporting regional businesses and communities near Seattle-Tacoma International Airport.
    TagsCentury Agenda, Economic Development Partnership Program, Highline Forum, King County, Port Of SeattleFolderHighline Forum 2022
  • 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
  • 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 CommitteeFolderKing County
  • 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 ParticlesFolderHealth
  • TessaDEM Elevation Heatmap of Sea-Tac Airport and Surrounding Communities

    A TessaDEM/Esri elevation heatmap centered on Seattle-Tacoma International Airport and surrounding communities including Burien, Tukwila, SeaTac, and Normandy Park. The color scale ranges from 0 m (cyan/blue) to 157 m (deep red), with the highest elevations visible in the airport's central plateau and adjacent residential areas to the east near S. 164th–S. 182nd Streets.
    TagsKing County, Map, Sea-Tac Airport, SeattleFolderSea-Tac Airport
  • 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 AssociatesFolderNSTP
  • 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 SeattleFoldermisc
  • 2022-11-29

    Your 2¢ Worth Meeting #5: Decision Maker Workshop Comments

    Notes from a 1973 community meeting series capture residents near Sea-Tac Airport expressing frustration over airport noise, inadequate government responsiveness, and the handling of Zone 3 acquisition areas. Participants from neighborhoods including Riverton Heights, Valley View, Shorewood, and Des Moines called for fair property tax relief, equitable land acquisition at market value, and better coordination among King County, the Port of Seattle, and state legislators. The document reflects widespread public distrust of the planning process and demands for more transparent, community-informed decision-making on airport expansion and noise impacts.
    Tagscommunity engagement, King County, Port Of Seattle, Sea-Tac Airport, Zone 3 CommitteeFolderYour 2 cents

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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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