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STNI

STNISea-Tac Noise.Info

  • Solve for Sea-Tac. Solve for every airport.
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TagThird Runway(1092)

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  • 1996-02-01

    Final environmental impact statement for proposed master plan update development actions at Seattle-Tacoma International Airport, Volume 2 of 7: Appendices C-F

    This 1996 Final Environmental Impact Statement, prepared by the Port of Seattle and the Federal Aviation Administration, evaluates the environmental effects of proposed development projects at Seattle-Tacoma International Airport, including the construction of a third parallel runway, terminal expansions, and parking improvements planned for completion between 1996 and 2020. The document assesses a range of impacts such as noise, air quality, wetlands, and floodplains affecting surrounding communities. Appendix C specifically addresses noise impacts resulting from the proposed airport expansion alternatives.
    TagsEnvironmental Impact Statement, Third Runway
  • 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
  • 1996-02-01

    Final Environmental Impact Statement for proposed Master Plan Update development actions at Seattle-Tacoma International Airport, Volume 5 of 7, Appendix T

    This 1996 Final Environmental Impact Statement, prepared jointly by the FAA and the Port of Seattle, evaluates proposed development actions at Seattle-Tacoma International Airport as part of a Master Plan Update. Key proposals include building a third parallel runway up to 8,500 feet long, extending an existing runway, improving passenger terminals, and expanding cargo and support facilities. The document assesses potential environmental impacts such as noise, wetland disruption, air and water quality changes, and floodplain encroachment associated with these planned improvements through the year 2020.
    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 6 of 7, Appendix T: Public comments

    This document is Volume 6 of the Final Environmental Impact Statement for the proposed Master Plan Update at Seattle-Tacoma International Airport, published in February 1996. It covers planned airport improvements from 1996 to 2020, including the construction of a third parallel runway, terminal expansions, and parking upgrades, while assessing impacts on noise, air quality, wetlands, and surrounding communities. The appendix compiles public hearing transcripts and approximately 250 written comments submitted in response to the Draft EIS, addressing key concerns such as aircraft noise, air pollution, and surface transportation impacts.
    TagsEIS, Environmental Impact Statement, Third Runway
  • 1995-08-16

    Letter regarding 3rd Runway DEIS and Miller Creek drainage settlement agreement

    A 1995 letter from Allan M. Furney to Chester Beattie of the Airport Communities Coalition summarizes a 1974 settlement agreement between King County, the Washington State Highway Commission, and local citizens regarding flooding and drainage problems in the Miller Creek watershed. The settlement requires King County to improve water quality, prevent excess stormwater runoff into Miller Creek, and construct appropriate drainage facilities, while prohibiting full channelization of the creek. The letter raises concerns that proposed SeaTac Airport third-runway expansion plans, as outlined in the Draft EIS, would violate these settlement provisions by significantly increasing impervious surface area and stormwater flows into the Miller Creek drainage basin.
    CategoriesCorrespondence TagsAirport Communities Coalition, Environmental Impact Statement, King County, Miller Creek, RCAA, Third Runway
  • 1995-07-21

    Airport Impact Assistance Strategy: Work Program Draft, City of Burien

    A 1995 City of Burien memorandum and accompanying draft strategy paper outline concerns about the negative impacts of constructing a third runway at Seattle-Tacoma International Airport on surrounding communities, including increased noise, traffic, and neighborhood blight. The document warns that heavy truck traffic, expanded air traffic noise 'shadow,' and construction disruption could drive down property values, destabilize local businesses, and accelerate community deterioration. It calls for proactive planning and mitigation efforts, while criticizing the Environmental Impact Statement (EIS) for inadequately addressing these impacts.
    TagsACC, City of Burien, Environmental Impact Statement, NEPA, Third Runway
  • 1995-06-19

    City of Burien: 1995 Washington State Budget Proviso — Third Runway Impact Assistance

    Background material on the 1997 HOK Study. This document packet from City of Burien, Washington dated June 19, 1995, concerns the 1995 Washington State Budget Proviso, Paragraph 16 which appropriated $500,000 of general fund-state funds solely for distribution to the City of Burien for analysis of the proposed Port of Seattle third runway at Sea-Tac
    TagsBudget Proviso, City of Burien, Environmental Impact Statement, Frederick Stouder, HOK, Third Runway
  • Budget proviso notes 1995 pdf
    1995-06-19

    City of Burien: 1995 Washington State Budget Proviso — Third Runway Impact Assistance

    Document packet from City of Burien, Washington dated June 19, 1995, concerning the 1995 Washington State Budget Proviso, Paragraph 16, which appropriated $500,000 of general fund-state funds solely for distribution to the City of Burien for analysis of the proposed Port of Seattle third runway at Sea-Tac Airport, including preparation of a draft environmental impact
    TagsBudget Proviso, City of Burien, Environmental Impact Statement, Frederick Stouder, Third Runway
  • 1995-04-20

    Letter to airport-interested parties regarding Sea-Tac third runway reports

    A 1995 letter from the Regional Commission on Airport Affairs to airport-interested parties summarizes two reports submitted to an arbitration panel deciding the Sea-Tac Airport third runway issue. The reports argue that alternatives to the third runway—such as regional airport system use and peak-hour pricing—were not fairly considered, that flight delay figures cited to justify the runway were overstated, and that the project itself may never be buildable due to cost, financing, and construction obstacles. A separate shorter report addresses noise concerns related to the proposed runway.
    TagsRCAA, 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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