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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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  • PSCAA Sunset Park Air Quality Monitoring Site — April 11, 2025 (8:33 PM)

    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset ParkFolderPSCAA Sunset Park Site Tour
  • Sunset Park – King County Parks entrance sign

    The blue entrance sign for Sunset Park, administered by King County Parks, is mounted on wooden posts along a roadway. A smaller line on the sign reads 'Park Entrance' with a directional arrow; a metal bench is visible to the left. Sunset Park is located near the Sea-Tac Airport noise-impact area in King County, Washington.
    TagsKing County, North Sea-Tac Park, NSTP, PSCAA, Sunset ParkFolderNSTP
  • SeaTac BMX Facility Entrance, 136th Street

    Entrance to the SeaTac BMX facility, showing the facility's branded monument sign and teal entry structure. The location is at a dead-end intersection on 136th Street, with chain-link fencing, a small clubhouse building, and informational signage visible on the grounds.
    TagsKing County, North Sea-Tac Park, NSTPFolderNSTP
  • PSCAA North Sea-Tac Park Air Quality Monitoring Site — November 27, 2024, 22:28:31

    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAAFolderNorth Sea-Tac Park AQM
  • PSCAA North Sea-Tac Park Air Quality Monitoring Site — November 27, 2024, 22:19:31

    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAAFolderNorth Sea-Tac Park AQM
  • PSCAA North Sea-Tac Park Air Quality Monitoring Site — November 27, 2024, 22:28:51

    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAAFolderNorth Sea-Tac Park AQM
  • 2024-08-15

    Tub Lake / Sunset Park site hazard assessment report

    The Tub Lake/Sunset Park site in SeaTac, located one mile north of Seattle-Tacoma International Airport, was contaminated by decades of illegal dumping of waste oil and bilge oil from ships between 1941 and 1945, as well as leaking underground storage tanks at a King County road maintenance facility. Environmental sampling conducted in 1990 detected petroleum hydrocarbons, benzene, and other chemicals exceeding cleanup standards in soil, sediment, and water, with contamination estimated to cover 2-3 acres up to 12 feet deep beneath nearby playing fields. The Port of Seattle, which owns the southern wetlands portion of the site including Tub Lake, fenced the area in the 1970s after demolishing residences in the airport's landing pathway, though public access and ongoing contamination remained concerns at the time of the assessment.
    TagsEcology, King County, Miller Creek, MTCA, North Sea-Tac Park, NSTP, Sunset ParkFolderNSTP
  • 2024-08-13

    SeaTac City Council Special Meeting: the future of North Sea-Tac Park

    55 or 200 Acres? There’s a lot more to this story The SeaTac City Council held a ninety minute Special Meeting (Agenda/Presentation) to discuss various options in purchasing the area known as North SeaTac Park, which is now (mostly) owned by the Port of Seattle. As Councilmember Peter Kwon mentioned at the beginning of the
    CategoriesMeetings TagsNSTP
  • 2024-08-13

    North Sea-Tac Park Special Council Meeting Presentation

    At a Special Council Meeting on August 13, 2024, the City of SeaTac presented an overview of efforts to potentially acquire North SeaTac Park (NSP) from the Port of Seattle, following a 2022 City Resolution exploring its feasibility. The presentation outlined what is known and unknown about the park, noting that two letters had been sent to the Port Commission and a formal discussion was planned for an upcoming Joint Airport Communities (JAC) meeting. Council was asked to provide direction on how to prioritize the acquisition effort relative to other City projects, as no detailed feasibility analysis had yet been completed.
    TagsCity Of SeaTac, JAC, North Sea-Tac Park, NSTP, Parks, Port Of SeattleFolderNSP Presentation 20240813
  • Four Sunset schools near North SeaTac Park

    A boundary map for the 'Sunset' school district zone showing attendance areas for Sunny Terrace Elementary, Sunset Jr. High, Glacier Sr. High, and Riverton Heights Elementary, bounded by S 128th St to the north and S 160th St to the south, with Des Moines Way and Pacific Hwy as western and eastern corridors. The map identifies sub-zones feeding to Puget Sound and Sylvester districts, and depicts the airport area near SR 518, relevant to Sea-Tac Airport noise policy planning.
    TagsNorth Sea-Tac Park, NSTPFolderNSTP

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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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