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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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  • 2025-01-29

    Bill request S-0809.1/25: Reducing environmental and health disparities and improving the health of Washington state residents in large port districts

    This proposed Washington State bill would require large port districts — such as those operating major airports like Sea-Tac — to develop and adopt environmental justice implementation plans aimed at reducing health and environmental disparities in surrounding communities. The plans must include specific goals, measurable metrics, community engagement strategies, and timelines for incorporating environmental justice considerations into port activities. It also establishes oversight for major capital projects valued at $8 million or more, or any actions that increase the number of airport gates.
    TagsEnvironmental Justice, Port Of Seattle, state legislature, Washington State LegislatureFolderLegislation
  • 2025-01-28

    Multiple agency fiscal note summary: HB 1303 Environmental Justice

    House Bill 1303, titled 'Environmental Justice,' is a Washington State legislative proposal whose fiscal note estimates total operating expenditures of approximately $21.3 million across multiple state agencies for the 2025–27 biennium, with similar costs projected through 2031. The largest spending impacts fall on the Department of Natural Resources (~$17.8 million) and the Department of Ecology, while agencies such as the Administrative Office of the Courts report no fiscal impact. Several agencies, including the Department of Transportation and State Parks and Recreation Commission, report non-zero but indeterminate costs that require further review.
    TagsEnvironmental Justice, HB1303, Legislation, state legislature, Washington State LegislatureFolderLegislation
  • 2025-01-23

    Bill analysis: HB 1303 — Increasing environmental justice by improving government decisions

    HB 1303 is a Washington State bill focused on environmental justice, not Sea-Tac Airport noise policy. It proposes adding environmental justice considerations to the State Environmental Policy Act (SEPA) review process and prohibiting certain air pollution permits in overburdened communities. This document does not contain relevant content for a Sea-Tac Airport noise policy archive.
    TagsClean Air Act, Environmental Justice, HB1303, SEPA, Washington State LegislatureFolderLegislation
  • 2025-01-21

    Senate Bill 5380: Increasing environmental justice by improving government decisions

    Washington Senate Bill 5380 (2025) requires state agencies to evaluate environmental justice impacts when reviewing permits for industrial or potentially harmful projects located in pollution-burdened communities. It mandates the completion of an Environmental Justice Impact Statement and a public hearing within affected communities before project approvals can move forward. The bill aims to reduce cumulative environmental and health disparities across Washington State.
    TagsEnvironmental Impact Statement, Environmental Justice, SB5380, SEPA, Washington State LegislatureFolderLegislation
  • 2025-01-01

    SB 5652 Cover Page — Washington State 69th Legislature 2025 Session

    Senate Bill 5652, introduced by Senator Orwall in Washington State's 69th Legislature during the 2025 Regular Session, proposes reducing environmental and health disparities in large port districts by adding a new chapter to Title 53 RCW. The bill defines key terms including 'qualifying port district' as one authorized to undertake aircraft noise abatement programs under RCW 53.54.010, directly relevant to Sea-Tac Airport noise policy.
    TagsEnvironmental Justice, Legislation, Noise Mitigation, SB5652, Sea-Tac Airport, Washington State LegislatureFolderSB5652
  • 2025-01-01

    Senate Bill 5652: Reducing Environmental and Health Disparities in Large Port Districts

    Washington Senate Bill 5652 requires large port districts, such as the Port of Seattle, to develop and adopt environmental justice implementation plans and community engagement plans by January 1, 2026. These plans must outline how the port will reduce environmental and health disparities in overburdened communities, particularly those affected by aircraft noise, and ensure meaningful participation from vulnerable populations in port decision-making. The bill also mandates compliance with federal civil rights laws and requires the use of screening tools to assess the health and demographic impacts of major port actions valued at $8 million or more.
    TagsEnvironmental Justice, Legislation, Port Of Seattle, RCW, SB5652, Washington State LegislatureFolderSB5652
  • 2024-12-17

    2023-24 State Tourism Program Operational Funding Request: Quick information

    The State of Washington Tourism program is requesting operational funding through companion bills HB 1258 and SB 5465, which would raise the general funds cap to $13 million per fiscal year and adjust industry matching requirements. Without this funding, the program faces budget cuts of 36% in 2023 and an additional 30% in 2024, threatening statewide tourism initiatives. The request represents just 1% of state sales tax collections from rental cars, lodging, and restaurants, and aims to support rural communities, responsible travel campaigns, and economic resilience across Washington State.
    TagsLegislation, local government funding, State of Washington, Tourism, Washington State LegislatureFolderState
  • 2024-11-01

    Commercial Aviation Work Group Annual Report

    The Washington State Commercial Aviation Work Group submitted its first annual report to the Legislature in November 2024, summarizing early organizational steps taken since its July 2024 launch. The group, created to study airport capacity needs across Washington State over the next 20 years, held only two meetings in 2024 and remained understaffed, with just 13 of 19 required voting positions filled. Notably, Governor Inslee directed that expanding existing airports must be fully considered before any new airport site is selected, with SeaTac explicitly excluded from capacity expansion discussions.
    TagsCommercial Aviation Work Group, JBLM, Second Airport, Washington State Legislature, WSDOTFolderCAWG
  • 2024-08-05

    Tukwila—Community at the Crossroads: The City of Tukwila Saves the Upper Duwamish Valley from Industrialization

    In the postwar decades, the Port of Seattle planned to transform the upper Duwamish Valley into a massive industrial district by straightening the river and filling its floodplains, a project that would have displaced small valley communities and caused severe environmental damage. The small City of Tukwila successfully fought back through strategic land annexations, restrictive zoning, coalition-building with state agencies, and a landmark lawsuit that challenged the Port's authority to levy a special property tax to fund the project. Tukwila's victory shaped the future of the entire King County region by preserving the valley from large-scale heavy industrialization.
    TagsDuwamish River, History, Port Of Seattle, Tukwila, Washington State LegislatureFolderTukwila
  • 2024-07-15

    Constitution of the State of Washington

    This document is the Constitution of the State of Washington, originally framed in 1889 and presented here in its currently amended form. It outlines the foundational legal framework for the state, covering individual rights, legislative powers, and executive responsibilities across multiple articles. Note that this document does not contain specific content related to Sea-Tac Airport noise policy.
    TagsLegislation, RCW, State of Washington, Washington State LegislatureFolderState

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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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