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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.

TagEnvironmental Justice(114)

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  • Appendix k children8217s environmental health and safety risks socioeconomics and environmental justice NEPA final ea and SEPA page 124

    Appendix K SEPA Environmental Justice Disparities Map page 124

    Appendix K of this environmental review examines socioeconomic conditions, environmental justice, and children's health and safety risks in the area surrounding the proposed project. It finds that 23.3% of the population in the study area is under 18—higher than both King County and statewide averages—and identifies two schools within the project boundary that could expose children to environmental health risks. The appendix also includes an economic impact analysis for the Northwest Seaport Alliance and a separate environmental justice memorandum prepared under Washington State's environmental review process.
    TagsEnvironmental Justice, Landrum & Brown, Map, NEPA, SAMP, SEPA, Sustainable Airport Master Plan, Washington State Department Of Health
  • 2026-08-07

    City of Tukwila Letter to Port Of Seattle on SEPA SAMP Near-Term Projects Draft EIS

    Letter dated August 7, 2026 from Tukwila Mayor Thomas McLeod to Steve Rybolt, Senior Environmental Program Manager at Port Of Seattle, regarding the SEPA Sustainable Airport Master Plan (SAMP) Near-Term Projects Draft EIS. The City of Tukwila raises concerns that the 3,692-acre General Study Area (GSA) is too geographically limited to capture full impacts of
    TagsEnvironmental Justice, Port Of Seattle, SAMP, SEPA, Tukwila
  • Port of seattle re near term projects draft EIS 2026 08 07 pdf
    2026-08-07

    City of Tukwila Letter to Port Of Seattle on SEPA SAMP Near-Term Projects Draft EIS

    Letter dated August 7, 2026 from Tukwila Mayor Thomas McLeod to Steve Rybolt, Senior Environmental Program Manager at Port Of Seattle, regarding the SEPA Sustainable Airport Master Plan (SAMP) Near-Term Projects Draft EIS. The City of Tukwila raises concerns that the 3,692-acre General Study Area (GSA) is too geographically limited to capture full impacts of
    TagsEnvironmental Justice, Port Of Seattle, SAMP, SEPA, Tukwila
  • 25 1505 Misc 12 12 25 Pdf
    2026-04-21

    25 1505 Misc 12 12 25

    Motion presented by Councilwoman Traci Park requesting the Department of City Planning to report back within 90 days on creating an Airport Noise-Contour and Environmental Exposure Overlay Zone. The motion addresses environmental and health impacts of airport-adjacent residential development, equity concerns for low-income communities, and best-practice standards for protecting residents in airport-impacted areas.
    TagsAirport Noise Law, City Of SeaTac, Environmental Justice, Noise Mitigation
  • 2026-04-01

    2030 climate action plan

    The City of Boston’s 2030 Climate Action Plan outlines strategies to achieve carbon neutrality by 2050, improve climate resilience, and advance environmental justice. The plan integrates greenhouse gas reduction and resilience measures while targeting health, justice, and quality-of-life outcomes for Boston residents.
    TagsClean Air Act, Climate, community engagement, Environmental Justice
  • Boston climate action plan final draft pdf
    2026-04-01

    2030 climate action plan

    The City of Boston’s 2030 Climate Action Plan outlines strategies to achieve carbon neutrality by 2050, improve climate resilience, and advance environmental justice. The plan integrates greenhouse gas reduction and resilience measures while targeting health, justice, and quality-of-life outcomes for Boston residents.
    TagsClean Air Act, Climate, community engagement, Environmental Justice
  • 2026 04 21 at 11 18 29 Ejscreen
    2026-02-19

    When Federal environmental maps go dark

    The benefits and consequences for airport communities In January 2025, the Trump administration began removing content from federal websites following Executive Order 14151. The order directed all government agencies to terminate DEI and environmental justice–related programs. These include environmental justice and climate mapping using a nationally consistent dataset for evaluating the socioeconomic impacts of airports.
    CategoriesChange The Culture, News Stories TagsEnvironmental Justice, Executive Orders, Map
  • Ejscreen

    EJScreen Environmental Justice Screening and Mapping Tool (Version 2.3)

    This is an 1unofficial copy of EJScreen hosted by the Public Environmental Data Partners. Some links and text may incorrectly suggest that this site is affiliated with the US Government. The EJScreen Tool was an EPA web application taken down in January of 2025 as part of Executive Order 14151. It was described as “an
    CategoriesFrom The Web TagsEJScreen, Environmental Justice, EPA, Executive Orders, Map
  • 2025-12-01

    South Seattle Community 2025 Environmental Justice Report

    A community report from the Washington State Department of Ecology providing information about air quality, demographic data, greenhouse gas emissions, and health impacts for the South Seattle community. The report identifies the community as overburdened and highly impacted by air pollution based on screening criteria.
    TagsEcology, Environmental Justice
  • 2025-12-01

    South King County Community 2025 Environmental Justice Report

    An environmental justice report by the Washington State Department of Ecology’s Air Quality Program analyzing air pollution impacts in South King County communities. The report provides demographic data, air quality information, and health impact assessments for overburdened communities highly impacted by air pollution.
    TagsEcology, Environmental Justice, Ozone

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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

    [...]
  • 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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