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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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  • 2020-02-28

    2020 Supplemental Operating Budget ESSB 6168 As Amended by the House – Agency Detail

    This document presents the 2020 Supplemental Operating Budget (ESSB 6168) for Washington State, as amended by the House and published February 28, 2020 by the Office of Program Research. It provides a detailed breakdown of funding allocations and full-time equivalent staffing levels across state government sectors, including Legislative, Judicial, Human Services, Education, and Natural Resources, totaling over $102 billion in revised appropriations. The document covers base budget figures alongside supplemental adjustments for the 2019-21 biennium.
    TagsBudget, Washington State LegislatureFolderLegislation
  • 2020-02-25

    Failed windows

    A presentation slide titled 'Failed Windows' states that Alpine Windows installed in the 1990s had a higher than average failure rate, that Alpine went bankrupt in 2000 and stopped honoring warranties, and that approximately 5,000 homes received Alpine window products. The slide also notes that other products from the late 1980s and early 1990s may be failing due to end-of-lifespan issues, and that state legislation is being proposed to allow replacement of failed products.
    CategoriesMeetings TagsAccelerated Sound Insulation Program, Noise Mitigation, Port Of Seattle Commission, Port Packages, Presentation, Washington State Legislature, WindowsFolderNoise Mitigation
  • 2020-01-28

    Multiple agency fiscal note summary: Transportation policy goals (HB 2688)

    House Bill 2688 proposes changes to Washington State's transportation system policy goals, requiring the Department of Transportation (WSDOT) to evaluate transportation projects submitted to the legislature using updated policy criteria. Multiple state agencies — including the Departments of Commerce, Health, Ecology, and the Interagency Council on Health Disparities — would be required to participate in these project evaluations, along with representatives from vulnerable and highly impacted communities. The fiscal impact on participating agencies is estimated to be non-zero but indeterminate, with the Department of Commerce alone estimating costs of between $21,000 and $35,000 per year.
    TagsDepartment Of Commerce, Department Of Transportation, HB, Washington State Legislature, WSDOTFolderLegislation
  • 2020-01-22

    HB 2688 bill analysis: Expanding transportation policy goals

    Washington State House Bill 2688 proposes expanding and modifying the state's transportation policy goals by adding new priorities such as accessibility, health and resilience, and equity and environmental justice, while removing existing goals like mobility and stewardship. The bill would require all transportation projects to be evaluated against these updated goals and specific metrics before receiving budget authorization, with projects failing to meet a minimum score threshold being excluded from funding. The evaluation process would involve multiple state agencies and must include public input from vulnerable and highly impacted communities.
    TagsHB, non-aviation transportation, Policy, Washington State Legislature, WSDOTFolderLegislation
  • 2020-01-17

    House Bill 2688: Relating to transportation policy goals

    Washington House Bill 2688, introduced in the 2020 legislative session, proposes updating the state's transportation policy goals to prioritize accessibility, environmental justice, public health, and climate by replacing older goals focused primarily on economic vitality and mobility. The bill would require transportation projects to undergo a multi-agency evaluation—including input from vulnerable and impacted communities—before receiving budget authorization. Projects that do not meet a minimum score based on the new policy goals would generally be excluded from funding.
    TagsEnvironmental Justice, Legislation, non-aviation transportation, State of Washington, Washington State LegislatureFolderLegislation
  • 2020-01-01

    Understanding the health effects of jet pollution around Sea-Tac Airport

    A 2019 University of Washington study found that communities within 10 miles of Seattle-Tacoma International Airport are exposed to ultrafine particle pollution uniquely linked to aircraft emissions, distinct from roadway traffic pollution. These microscopic particles — 700 times thinner than a human hair — are not currently regulated by federal or state air-quality standards, and prior research has associated them with breast cancer, heart disease, prostate cancer, and lung conditions. The policy brief calls on Washington State legislators to fund a follow-up two-year study to investigate the health impacts on nearby communities, which tend to be poorer and more racially diverse than King County as a whole.
    TagsMOV-UP, Sea-Tac Airport, Ultrafine Particulates, University Of Washington, Washington State LegislatureFolderStudies
  • 2019-10-28

    Draft Legislation: An Act Relating to Repairing, Replacing, and Updating Previously Installed Noise Abatement Soundproofing Structures Located Within an Impacted Area; Amending RCW 53.54.030

    This 2019 Washington State draft legislation proposes amending RCW 53.54.030 to allow port districts to repair, replace, or upgrade previously installed noise abatement soundproofing structures in areas impacted by aircraft noise. Under existing law, individual properties generally cannot receive benefits from the same remedial program more than once, but this bill creates an exception for properties where soundproofing installations have deteriorated and need maintenance or improvement. The bill also preserves existing port commission tools such as property acquisition, transaction assistance, mortgage insurance, and land management programs for noise-impacted communities near airports like Sea-Tac.
    TagsLegislation, Port Packages, RCW, Soundproofing, Tina Orwall, Washington State LegislatureFolderState
  • 2019-09-17

    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 in their comprehensive plans for identifying and siting 'essential public facilities' — those typically difficult to site, such as airports, state education facilities, regional transportation facilities, correctional facilities, solid waste handling facilities, and inpatient care facilities. No local comprehensive plan or development regulation may outright prohibit the siting of these essential public facilities. The Office of Financial Management maintains a list of essential state public facilities likely to be built within the next six years.
    TagsLand Use, Legislation, RCW, State of Washington, Washington State LegislatureFolderSP #2
  • 2019-09-17

    RCW 47.80.020: Regional transportation planning organizations authorized

    Washington State law (RCW 47.80.020) authorizes the creation of Regional Transportation Planning Organizations (RTPOs), formed through voluntary associations of local governments within contiguous counties. Each RTPO must meet minimum population and geographic requirements, include all counties in the region, and have at least 60% of cities and towns representing 75% of the regional city/town population as members. In urbanized areas, the RTPO is the same body as the federally designated Metropolitan Planning Organization (MPO), also known as a COG.
    Tagsnon-aviation transportation, PSRC, RCW, Regional Transportation Plan, Washington State LegislatureFolderSP #2
  • 2018-12-11

    State legislative agenda for 2019

    In December 2018, the Port of Seattle Commission reviewed its draft state legislative priorities for the 2019 session, covering topics such as clean fuels standards, workforce development, and transportation access to Sea-Tac Airport. The agenda sought state funding for transportation infrastructure improvements, including potential upgrades to State Route 518 and the Puget Sound Gateway Program, to address growing demand linked to airport expansion. Additional priorities included supporting small and minority-owned businesses, maritime innovation, and land use policies affecting port competitiveness.
    Tagslegislative priorities, Port Of Seattle, Port Of Seattle Commission, Sea-Tac Airport, Washington State LegislatureFolderMeetings

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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...]


Help study childhood asthma. Get free HEPA filter!

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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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