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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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  • 2024-05-13

    RCW 36.70A.200: Siting of essential public facilities—Limitation on liability

    RCW 36.70A.200 requires counties and cities planning under Washington's Growth Management Act to include a process for identifying and siting essential public facilities — defined as those typically difficult to site, such as airports, state education facilities, regional transportation facilities, correctional facilities, solid waste handling facilities, and inpatient mental health or substance abuse facilities. The law explicitly prohibits any local comprehensive plan or development regulation from completely blocking the siting of such facilities. It also establishes liability protections for jurisdictions acting in good faith to site secure community transition facilities.
    TagsLand Use, Legislation, RCW, State of Washington, Washington State LegislatureFolderSP #2
  • 2024-05-13

    RCW 70.94.037: Transportation activities—”Conformity” determination requirements

    Washington State law RCW 70.94.037 requires that any transportation plan, program, or project in areas that don't meet federal air quality standards must be shown to conform with the state's air quality implementation plan before it can be approved or funded. The conformity determination must be made by the responsible state agency, local government, or metropolitan planning organization overseeing the project. Projects limited strictly to preservation or maintenance work are exempt from this requirement.
    TagsClean Air Act, Conformity, RCW, transportation, Washington State LegislatureFolderSP #2
  • 2024-05-06

    State governance of special purpose districts (ports) and FAA preeminence

    This presentation, prepared for the City of Burien Airport Committee, examines the governance structure of Washington State's special purpose port districts and the FAA's preeminent authority over airport operations. It explains that port districts, enabled by state law since 1911 and governed by directly elected commissioners, hold broad powers including management of airports, while federal FAA regulations take precedence over local planning decisions. The document also touches on noise control considerations relevant to communities near Sea-Tac Airport, referencing state and federal regulatory frameworks.
    TagsBurien Airport Committee, FAA, Port Of Seattle, RCW, Washington State LegislatureFolderSP #1
  • Recommended Legislation

    A list of the changes to City, State and Federal laws we'd like to see, along with key legislation in process at the State and Federal levels.
    CategoriesFrequently Asked Questions, Legislation TagsHB1948, Legislation, RCW, SB5652
  • 2024-01-08

    Senate Bill 5990: Integrating Environmental Justice Considerations into Certain Project Decisions

    Washington Senate Bill 5990, introduced in January 2024, aims to reduce environmental health disparities by requiring assessment of cumulative pollution burdens on overburdened communities before approving new projects. The bill defines key terms such as 'disproportionate impact' and 'environmental justice impact statement,' and establishes a framework to evaluate stressors like air pollution, water quality, and public health risks. Note: this bill addresses broad environmental justice concerns statewide and does not specifically address Sea-Tac Airport noise policy.
    TagsEnvironmental Impact Statement, Environmental Justice, HB2070, Legislation, RCW, Washington State LegislatureFolderHB2070
  • 2024-01-08

    HB 2070: Integrating Environmental Justice Considerations into Certain Project Decisions

    Washington House Bill 2070 (2024) aims to reduce environmental health disparities by requiring environmental justice impact assessments for projects that may add pollution burdens to already overburdened communities. The bill defines key terms such as 'disproportionate impact' and 'adverse cumulative stressors' to evaluate whether a proposed project would worsen air, water, or other environmental conditions in vulnerable neighborhoods. Note: this bill addresses broad environmental justice considerations statewide and does not specifically concern Sea-Tac Airport noise policy.
    TagsEnvironmental Justice, HB2070, Legislation, RCW, Washington State LegislatureFolderHB2070
  • 2024-01-01

    Senate Bill 5990: Integrating Environmental Justice Considerations into Certain Project Decisions

    Washington Senate Bill 5990, introduced in the 2024 legislative session, aims to reduce environmental health disparities by requiring detailed impact assessments before approving projects in communities already burdened by pollution. The bill defines key terms such as 'disproportionate impact' and 'environmental justice impact statement,' and establishes a framework for evaluating whether new or expanded projects would worsen cumulative health and environmental stressors in overburdened communities. Note: this bill addresses broad environmental justice policy statewide and does not specifically address Sea-Tac Airport noise or aviation-related impacts.
    TagsEnvironmental Justice, Legislation, RCW, SEPA, Washington State LegislatureFolderState
  • 2023-09-28

    Substitute House Bill No. 519: Providing for nine port commissioners elected from districts coextensive with county councilman districts in Class AA counties

    Washington State Substitute House Bill No. 519 proposes expanding port district commissions in Class AA counties from three to nine commissioners, each elected from districts that align with county councilman districts. The bill outlines election procedures, term lengths, and district boundaries for the new commissioner positions. Though focused on port governance structure, this legislation directly affects the Port of Seattle, which oversees Sea-Tac Airport and its surrounding communities.
    Tagslocal government, Port Of Seattle, Port of Seattle Redistricting, RCW, Washington State LegislatureFolderState
  • 2023-09-27

    Exemption Log: Request 23-941

    This is an Exemption Log from the Port of Seattle, dated September 27, 2023, related to Public Records Act request 23-941. It explains that certain employment investigation records are being partially redacted before release, with names and identifying information of complainants, accusers, and witnesses removed to protect their privacy under Washington State law (RCW 42.56.250 and 42.56.230). The redactions apply to records involving workplace discrimination or harassment investigations, where disclosing individual identities is deemed highly offensive and not of legitimate public concern.
    TagsPort Of Seattle, Public Records, RCWFolderEthics
  • 2023-06-07

    Port Of Seattle Commission bylaws

    The Port of Seattle Commission Bylaws establish the rules governing how the five elected commissioners conduct official business, including requirements for ethical conduct, transparency pledges, conflict-of-interest recusals, and filling vacancies in office. Commissioners are bound to serve the public mission of creating jobs and economic development in King County while adhering to open-government standards under Washington State's Open Public Meetings Act and Public Records Act. These bylaws are proposed for amendment under Resolution No. 3754.
    TagsPort Of Seattle, Port Of Seattle Commission, RCWFolderMeetings

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Upcoming Events

  • Stay Grounded Event: Night trains, not night planes!
    Add to CalendarMSunday Sep 13: 12:00am
    Ntnnp social media3

    For the past two years, more than 220 initiatives from 15 countries have declared September 13th as the International day for the ban of night flights at airports. In parallel, activists across Europe have been gathering for pyjama parties for night trains – coordinated in 2024 and 2025 by Back on Track and Stay Grounded.

    [...]
  • Burien Airport Committee Meeting September 15, 2026
    Add to CalendarMTuesday Sep 15: 6:00pm
    400 SW 152nd St, Burien, WA 98166
    Burien airport committee 15 sep 2026 agenda pdf pdf

    a) Part 150 Noise Study (Emily Inlow-Hood) — 15 minutes
    b) SAMP Update and Next Steps (Brian Davis and Sarah Moore) — 15 minutes
    c) Legislative Updates — 10 minutes
       • SCA (Sarah Moore)
       • Work with Sen. Orwall (Brian Davis)
    d) StART Reorganization (Jeff Harbaugh and Karen Veloria) — 10 minutes

    [...]

[See all...]


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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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