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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.

TagEIS(37)

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  • 2018-02-20

    Burien Airport Committee (BAC) agenda, February 20, 2018

    The Burien Airport Committee (BAC) met on February 20, 2018 to discuss aviation capacity concerns near Sea-Tac Airport, including responses to Resolution No. 396, which calls for addressing regional aviation capacity needs in western Washington. The agenda covered updates on several airport studies, an interlocal agreement among four cities to jointly respond to the Sustainable Airport Master Plan (SAMP) Environmental Impact Statement (EIS), and ongoing noise-related efforts such as the Quiet Skies Burien initiative. Draft minutes from October 2017 reflect earlier committee work on scoping questions for the EIS and efforts to coordinate a unified voice among nearby airport-impacted cities.
    TagsBAC, bac_2018_02_20, Burien Airport Committee, EIS, PSRC, SAMP
  • 2017-11-01

    Puget Sound Gateway Program – Phase 1 of the SR 509 Completion Project: Noise technical report

    This 2017 Noise Technical Report, prepared by The Greenbusch Group for the Washington State Department of Transportation, evaluates the noise impacts of Phase 1 of the SR 509 Completion Project near Seattle-Tacoma International Airport. It compares the proposed highway improvements against a 2003 environmental impact study, assessing changes in noise levels, affected residents, and noise abatement measures such as sound walls. The report concludes with recommendations for minimizing construction and long-term traffic noise impacts on surrounding communities.
    TagsEIS, NEPA, Noise, SR509, WSDOT
  • Part 150 Study 2013 – 2018 predicted noise boundary

    Part 150 Study 2018 predicted noise boundary
    TagsEIS, Environmental Impact Statement, Third Runway
  • 1998-06-11

    Documents catalogued as received in 1990

    This is a library catalog sheet listing documents received in 1990 related to regional planning and community concerns in the Seattle-Tacoma area. It includes two versions of the 'Vision 2020' environmental impact statement published by the Puget Sound Regional Council (PSRC), as well as a community document titled 'The Injustice of It All' authored by a group called Enraged Housewives. The catalog was originally created in June 1998 and last revised in August 2002.
    TagsEIS, Environmental Impact Statement, History, PSRC, Puget Sound Regional Council, RCAA
  • 1997-03-19

    ACC Comments on Draft Supplemental EIS for Proposed Master Plan Update March 19, 1997

    Comments submitted by the Airport Communities Coalition—comprising the cities of Burien, Des Moines, Federal Way, Normandy Park, Tukwila, and Highline Public Schools—on the Draft Supplemental Environmental Impact Statement for the proposed Master Plan Update Development Actions at Seattle-Tacoma International Airport. The document was prepared by Cutler & Stanfield, L.L.P. as counsel to the coalition, in
    TagsAirport Communities Coalition, Cutler & Stanfield, EIS, Environmental Impact Statement, Sea-Tac Airport Master Plan
  • 1997-03-01

    Why the Port Of Seattle’s 3rd runway EIS fails adequately to examine impacts to wetlands and prescribes inadequate mitigation

    This 1997 document argues that the Port of Seattle's Environmental Impact Statement (EIS) for a proposed third runway at Sea-Tac Airport inadequately examines impacts on wetlands and fails to prescribe sufficient mitigation measures. It contends that the FAA and Port must meet federal and state legal requirements — including Section 404 of the Clean Water Act and Washington's Growth Management Act — before any construction affecting wetlands can proceed. The document asserts that the EIS does not consider a broad enough range of alternatives, making it legally insufficient as a basis for approving the runway project.
    TagsEIS, Environmental Impact Statement, RCAA, Third Runway
  • Memorandum Of Agreement Air Quality Monitoring 1996

    TagsEcology, EIS, Environmental Impact Statement, Environmental Protection Agency, EPA, Mic Dinsmore, Port Of Seattle, PSCAA, Puget Sound Clean Air Agency, Third Runway
  • 1996-02-01

    Final Environmental Impact Statement for proposed Master Plan Update development actions at Seattle-Tacoma International Airport

    This 1996 Final Environmental Impact Statement, prepared jointly by the FAA and the Port of Seattle, evaluates proposed expansion plans at Seattle-Tacoma International Airport through the year 2020, including the construction of a third parallel runway up to 8,500 feet long, a new north terminal, and various landside improvements. The document assesses environmental consequences across 24 categories—including noise, air quality, water quality, and human health—for a range of alternatives, from building a new regional airport to a no-build option. Ultimately, the Port of Seattle selected Alternative 3 as the preferred option, concluding that Sea-Tac was the only feasible site to address the region's growing air transportation needs.
    TagsEIS, Environmental Impact Statement, Third RunwayStudy TopicsAir Quality, Noise, Socioeconomics, Transportation
  • 1996-02-01

    Final Environmental Impact Statement for proposed master plan update development actions at Seattle-Tacoma International Airport, Volume 3 of 7

    This 1996 Final Environmental Impact Statement, prepared jointly by the FAA and the Port of Seattle, evaluates the environmental effects of proposed expansion and improvement projects at Seattle-Tacoma International Airport, including the construction of a third parallel runway, terminal upgrades, and expanded parking and cargo facilities. The document examines a range of impacts such as wetland disturbance, floodplain encroachment, stream relocation, and noise, water, and air quality effects on surrounding communities. The proposed improvements were planned for completion between 1996 and 2020, with early phases prioritizing the new runway and existing terminal and access enhancements.
    TagsEIS, Environmental Impact Statement, Third Runway
  • 1996-02-01

    Final environmental impact statement for proposed master plan update development actions at Seattle-Tacoma International Airport, Volume 4 of 7: Appendices Q-A – S

    This 1996 Final Environmental Impact Statement, prepared by the Port of Seattle and the Federal Aviation Administration, evaluates proposed improvements at Seattle-Tacoma International Airport through the year 2020, including the construction of a third parallel runway, terminal expansions, and parking upgrades. The document assesses a range of environmental impacts such as noise, air and water quality, wetlands, and floodplain encroachment resulting from the planned development. It was prepared in compliance with both the National Environmental Policy Act and Washington State Environmental Policy Act.
    TagsEIS, Environmental Impact Statement, Third Runway

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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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