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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.

TagWashington State Legislature(80)

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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 Legislature
  • 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 Legislature
  • 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 Legislature
  • 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 Legislature
  • 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, Noise Mitigation, SB5652, Sea-Tac Airport, Washington State Legislature
  • 2025-01-01

    SB 5652 Introduction — Washington State 69th Legislature 2025

    Senate Bill 5652, introduced by Senator Orwall during Washington State's 69th Legislature 2025 Regular Session, proposes to reduce 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.
    TagsLegislation, RCW, SB5652, Sea-Tac Airport, Washington State Legislature
  • 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, Tourism, Washington State, Washington State Legislature
  • 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, Washington State Legislature
  • 2024-07-12

    Chapter 53.54 RCW: Aircraft noise abatement

    Chapter 53.54 RCW authorizes Washington port districts operating large airports (such as Sea-Tac) to carry out programs that reduce the impact of jet aircraft noise on surrounding neighborhoods, including purchasing properties, providing soundproofing, and offering transaction assistance to affected homeowners. The law defines 'impacted areas' with specific distance limits from runways and allows properties within those boundaries to receive noise mitigation benefits. Recent 2024 updates expand the program to allow inspection, repair, or replacement of previously installed noise mitigation equipment that is no longer working as intended or has caused structural damage.
    TagsNoise Abatement Procedures, Noise Mitigation, Port Of Seattle, RCW, Washington State Legislature
  • U.S. Capitol Building, East Front

    The East Front of the U.S. Capitol Building, seat of the U.S. Congress, photographed on a clear day. The neoclassical structure features its iconic cast-iron dome topped with the Statue of Freedom, with visitors visible on the plaza.
    TagsCongress.gov, Federal Aviation Administration, Washington State Legislature

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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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