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STNI

STNISea-Tac Noise.Info

  • Solve for Sea-Tac. Solve for every airport.
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TagEnvironmental Impact Statement(400)

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  • 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
  • 1996-02-01

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

    This 1996 Final Environmental Impact Statement (EIS), prepared by the FAA and Port of Seattle, evaluates the environmental effects of proposed expansion plans at Seattle-Tacoma International Airport, including construction of a third parallel runway, terminal upgrades, and parking improvements planned through 2020. The document addresses key community concerns such as aircraft noise, air quality, surface traffic, and impacts on wetlands and floodplains. It includes transcripts and written comments from two public hearings held in June 1995, attended by community members and agencies who raised significant concerns about noise, health, and environmental impacts.
    TagsEnvironmental Impact Statement, FAA, Port Of Seattle, public hearing, Sea-Tac Airport Master Plan
  • 1996-02-01

    EXH AR038744: Final Environmental Impact Statement for Proposed Master Plan Update Development Actions at Seattle-Tacoma International Airport, Volume 1 of 7

    Final Environmental Impact Statement (EIS) prepared jointly by the Federal Aviation Administration (FAA) Northwest Mountain Region and the Port of Seattle for the Seattle-Tacoma International Airport (Sea-Tac) Master Plan Update, dated February 1996, AR038744. Covers proposed development actions 1996-2020 including a new third parallel runway (Runway 16X/34X) up to 8,500 feet long separated 2,500 feet
    TagsACC, Environmental Impact Statement, FAA, NEPA, Pollution Control Hearings Board, Port Of Seattle, Sea-Tac Airport Master Plan
  • 1995-12-14

    Exhibit 201: Ecology Delegation of Authority — Tom Luster, Section 401 Certifications and CZM Consistency Determinations

    These three pages from the Washington State Department of Ecology document the delegation of signature authority to staff member Tom Luster, allowing him to issue routine Section 401 water quality certifications, Coastal Zone Management consistency determinations, and related administrative orders. Originally signed by Director Mary Riveland in December 1995, the authority was reaffirmed by Director Tom Fitzsimmons in February 1997. The delegation includes a succession of authority chain to ensure continuity if Luster is absent or leaves his position.
    TagsACC, Ecology, Environmental Impact Statement, PCHB, Pollution Control Hearings Board, RCW, WAC
  • 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

    City of Normandy Park letter to Port Of Seattle re: DEIS – Sea-Tac International Airport Hotel

    In April 1995, the City of Normandy Park submitted formal comments to the Port of Seattle opposing the proposed Sea-Tac International Airport Hotel, raising concerns that the project would increase traffic congestion and reduce parking availability for local, tax-paying air travelers. The city criticized the Draft Environmental Impact Statement (DEIS) for proposing only 15 new parking spaces to serve a 16-story, 384-room hotel that could generate demand for up to 323 garage spaces at peak periods. The city recommended either no action or a smaller-scale hotel alternative that would fully accommodate its own parking needs without negatively impacting existing airport users.
    TagsCity of Normandy Park, Environmental Impact Statement, Parking, Port Of Seattle, Sea-Tac Airport

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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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