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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.

TagLegislation(135)

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  • 2025-01-23

    HB 1303 Bill Analysis – Increasing environmental justice by improving government decisions

    ★
    Washington State House Bill 1303 proposes strengthening environmental justice by adding new requirements to the State Environmental Policy Act (SEPA) review process, requiring environmental justice impact statements for projects in vulnerable or overburdened communities. The bill also prohibits state and local air authorities from issuing certain construction approvals for new air pollution sources in those same communities. Note: This bill focuses on statewide environmental permitting and community health protections, and does not directly address Sea-Tac Airport noise policy.
    CategoriesKey Documents, Legislation TagsAir Quality Monitors, Airport Noise Law, Legislation
  • 2024-10-08

    Port of Seattle Order No. 2024-12 – North SeaTac Park for Recreational Use

    ★
    The Port of Seattle Commission issued Order No. 2024-12 in October 2024, directing its Executive Director to take the steps necessary under Section 706 of the 2024 FAA Reauthorization Act to permanently designate the 55-acre North SeaTac Park for recreational and public park use. The order requires the development of legally binding frameworks, a preferred protection methodology reported to the Commission by Q2 2025, and at least $150,000 in the 2025 budget for park improvements in partnership with the City of SeaTac. This action aims to ensure the park remains a permanent community and ecological asset, shielded from future aeronautical or commercial redevelopment.
    CategoriesKey Documents, Legislation TagsAirport, Airport Committees, Airport Impacted Communities Act, Airport Layout Plans, Legislation, Port Of Seattle
  • 1970-12-31

    42 USC Chapter 85, Subchapter II, Part B: Aircraft Emission Standards

    ★
    42 USC CHAPTER 85, SUBCHAPTER II, Part B: Aircraft Emission Standards Current 2024 Main Ed. (1/6/2025) [Titles 1 through 41] 2018 Ed. and Supplement V (1/3/2024) 2018 Ed. and Supplement IV (1/5/2023) 2018 Ed. and Supplement III (1/3/2022) 2018 Ed. and Supplement II (1/13/2021) 2018 Ed. and Supplement I (1/24/2020) 2018 Main Ed. (1/14/2019) 2012
    CategoriesFrom The Web, Key Documents, Legislation TagsAviation Emissions, Clean Air Act, Code of Federal Regulations, EPA, Legislation
  • 2026-01-30

    PSSB 5652: An Act Relating to Reducing Environmental and Health Disparities and Improving the Health of Washington State Residents in Large Port Districts

    Washington State legislation (PSSB 5652) aimed at reducing health and environmental impacts on communities near Sea-Tac Airport, where residents face disproportionate exposure to aviation-related air pollution and noise linked to serious health conditions. The bill establishes a grant program to fix failed noise-mitigation home improvements (known as 'port packages') and fund new mitigation strategies, while directing the University of Washington to conduct ongoing air quality and noise assessments every two years. It also requires the State Auditor to evaluate the Port of Seattle's noise mitigation efforts and directs the Department of Commerce to administer a mitigation grant program using the State Aircraft Noise and Air Quality Mitigation Account.
    TagsLegislation, Noise Mitigation, Port Packages, SB5652, UWDEOHS
  • 2026-01-26

    SB5652 – S-4461.1/26 AN ACT Relating to reducing environmental and health disparities and improving the health of Washington state residents in large port districts

    Washington state legislation (PSSB 5652) establishing partnerships and grant programs to address aviation-related air quality and noise impacts on communities near airports. The bill requires the University of Washington to develop exposure maps and assess health impacts, directs the State Auditor to evaluate noise mitigation retrofits, and creates a mitigation grant program administered by the
    TagsDepartment Of Commerce, Legislation, SB5652, University Of Washington
  • Tina Orwall testifying on SB5652 2026 01 21 Senate Environment Committee
    2026-01-21

    Tina Orwall testifying on SB5652 2026 01 21 Senate Environment Committee

    A witness testifies before the Washington Senate Committee on Environment, Energy & Technology on January 21, 2026, during a public hearing on SB 5652, which addresses reducing environmental and health disparities for residents in large port districts. The Senate Bill Report visible on screen shows the bill would establish a recurring process to mitigate aviation-related air quality and noise impacts and directs a state auditor audit of noise mitigation retrofits installed near Seattle-Tacoma International Airport.
    Tags2026 legislative session, Legislation, SB5652, Sea-Tac Airport, Tina Orwall, TVW
  • 2026-01-19

    SB5652 SB-4052.1 Relating to reducing environmental and health disparities and improving the health of Washington state residents in large port districts

    Washington State Senate Bill 5652 establishing partnerships and grant programs to address aviation-related air pollution and noise impacts on communities near airports. The bill requires the University of Washington to assess aviation impacts and directs the state auditor to evaluate Port of Seattle’s port package programs. AN ACT Relating to reducing environmental and health disparities
    TagsLegislation, Port Of Seattle, SB5652, University Of Washington, Washington State Legislature
  • 2026-01-19

    Senate Bill Report SB 5652 – Reducing environmental and health disparities and improving the health of Washington state residents in large port districts

    Senate bill report analyzing legislation to establish processes for mitigating aviation-related air quality and noise impacts in large port districts. Creates work groups, grant programs, and directs state auditor to conduct performance audit of noise mitigation retrofits near Seattle-Tacoma International Airport.
    TagsLegislation, Port Of Seattle, SB5652
  • 2026-01-07

    SB5652 Aviation Mitigation Bill Draft V.2b

    Draft legislation relating to reducing environmental and health disparities associated with aviation activity. The bill establishes partnerships between agencies and communities to develop mitigation strategies, creates grant programs to address aviation impacts, and requires the University of Washington to conduct exposure mapping and air quality assessments in aviation-impacted communities.
    Tags2026 legislative session, Legislation, SB5652, Tina Orwall, Washington State Legislature
  • Sb 5652 work group meeting agenda 12 15 25 pdf
    2025-12-15

    Work Group Meeting with Senator Orwall re: SB 5652 – Airport Mitigation: Agenda, December 15, 2025

    Agenda for a Zoom work group meeting with Senator Tina Orwall regarding SB 5652, Washington State legislation on airport mitigation, scheduled Monday December 15, 2025, 11–11:45 AM. Meeting ID 920 8355 2047, Passcode 363026. Agenda items include welcome/introductions, review of legislation components, discussion on strategy, discussion on funding, and next steps.
    CategoriesMeetings Tags2026 legislative session, Legislation, SB5652, state legislature, Tina Orwall, Washington State Legislature

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  • StART SEA Stakeholder Advisory Round Table
    Add to CalendarMWednesday Aug 26, 5:00pm - 7:00pm
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    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

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    Add to CalendarMThursday Sep 3, 10:00am - 1:30pm
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    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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