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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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  • 2021-01-19

    Bill analysis: HB 1099 – Improving the state’s climate response through updates to the state’s comprehensive planning framework

    HB 1099 is a Washington State bill focused on improving the state's climate response by updating the Growth Management Act to require counties and cities to include climate change and resiliency planning in their comprehensive land use plans. The bill mandates reductions in greenhouse gas emissions and vehicle miles traveled, and requires the Department of Commerce to publish guidelines for achieving statewide emissions targets. It also addresses coastal resilience by requiring Shoreline Master Programs to account for sea level rise and increased storm severity.
    TagsClimate, Department Of Commerce, Greenhouse gases, Legislation, Washington State Legislature
  • 2021-01-01

    Final Bill Report: E2SSB 5141 — Washington Environmental Justice Act (HEAL Act)

    Washington State's E2SSB 5141, enacted in 2021, requires key state agencies including Transportation and Ecology to incorporate environmental justice principles into their planning and decision-making processes, with a focus on protecting overburdened communities from disproportionate environmental and health harms. Agencies must develop community engagement plans by 2022, environmental justice implementation plans by 2023, and conduct formal environmental justice assessments for significant actions such as new rules, grants, and capital investments. Note: this legislation addresses statewide environmental justice policy broadly and does not specifically address Sea-Tac Airport noise issues.
    TagsEcology, Environmental Justice, Legislation, Puget Sound, Washington State Department Of Health, Washington State Legislature
  • 2020-11-12

    Applicable law, case no. 02-296

    This document outlines Washington State campaign finance laws related to political contributions, coordination, and reporting requirements. It defines when an expenditure made by a third party counts as a campaign contribution — particularly when made in coordination with a candidate or political committee — and sets out registration and disclosure deadlines for political committees. These rules govern how campaigns and political organizations must track and report donations and spending.
    TagsLegal, RCW, WAC, Washington Administrative Code, Washington State Legislature
  • 2020-06-11

    Substitute House Bill 1847 – Aircraft Noise Abatement – Defining aviation impacted area

    Washington State's Substitute House Bill 1847, signed into law in March 2020, expands the aircraft noise abatement programs available to port districts by lowering the qualifying threshold from 900 to 20 scheduled jet flights per day and extending the geographic boundaries of 'impacted areas' around airport runways. The law allows port districts to pursue noise relief measures—including property acquisition, soundproofing, transaction assistance, and mortgage insurance—for communities affected by aircraft noise. It amends three existing state statutes (RCW 53.54.010, 53.54.020, and 53.54.030) and took effect on June 11, 2020.
    CategoriesLegislation TagsAirport Noise Law, Noise, Port Of Seattle, RCW53, Washington State Legislature
  • 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 Legislature
  • 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, Windows
  • 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, WSDOT
  • 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, WSDOT
  • 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 Legislature
  • 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 Legislature

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Upcoming Events

  • StART SEA Stakeholder Advisory Round Table
    Add to CalendarMWednesday Aug 26, 5:00pm - 7:00pm
    Zoom (Virtual Meeting)
    START meetingagenda 2026826 final 0 pdf

    Meeting Objectives Introduce the primary feedback themes identified by StART members regarding StART’s Operating Procedures and determine areas that may warrant future discussion. 5:00 PM – Welcome Meeting Management Welcome Lead: Andrés Mantilla, Facilitator, Uncommon Bridges; Wendy Reiter, Airport Managing Director, POS 5:15 PM – Dinner: All participants eat. 5:30 PM – StART Operating Procedures

    [...]
  • Commercial Aviation Work Group
    Add to CalendarMThursday Sep 3, 10:00am - 1:30pm
    Virtual Meeting (Zoom)
    Cawg agenda sep 3 26 virtual pdf

    Meeting Agenda 10:00 a.m. – 10:15 a.m. | Welcome – Evan Nordby, Chair a. Introductions and Agenda Reviewb. Status of appointments and non-voting member invitationsc. Other updates as necessary 10:15 a.m. – 11:00 a.m. | Is it practical and legal to operate the western Washington [Puget Sound] airports as a single airport system? – Consultant

    [...]

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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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