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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.

TagPort Of Seattle(2015)

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  • 1995-03-20

    Sea-Tac International Airport Hotel draft environmental impact statement

    This March 1995 Draft Environmental Impact Statement, prepared by Kato & Warren, Inc. for the Port of Seattle, evaluates the proposed construction of a 16-story, 384-room hotel on a 77,000-square-foot site at Sea-Tac International Airport, located between the 'D' Concourse and the airport entry drives. The hotel, which would include 10,000 square feet of meeting rooms plus a restaurant and lounge, was to be connected to the terminal and parking garage via pedestrian skybridges on land then occupied by a United Airlines office building. The document was issued for public comment under Washington State's Environmental Policy Act (SEPA), with responses due by April 20, 1995.
    TagsEIS, Environmental Impact Statement, Port Of Seattle, Sea-Tac Airport, SEPA
  • 1995-01-20

    House Bill 1293: Soundproofing programs in aircraft noise-impacted areas

    Washington House Bill 1293 (1995) amended state law governing how port districts can address aircraft noise impacts on nearby properties, expanding soundproofing programs and removing a prior requirement that property owners waive damages and convey easements in exchange for noise mitigation. The bill declared such damage-waiver agreements void as against public policy, meaning residents near airports like Sea-Tac could receive soundproofing benefits without giving up their legal rights. The act was designated an emergency measure, intended to take effect immediately upon passage.
    CategoriesHistory TagsNoise Mitigation, Port Of Seattle, RCW, Soundproofing, Washington State Legislature
  • 1994-06-30

    EXH AR028290: NPDES Permit No. WA-002465-1 Issuance Letter and Permit — Port Of Seattle Sea-Tac International Airport

    Washington State Department of Ecology (Ecology) letter dated June 30, 1994, issuing NPDES Permit No. WA-002465-1 to Port Of Seattle – Sea-Tac International Airport, expiring June 30, 1999. Signed by John H. Glynn, Water Quality Supervisor, Northwest Regional Office. Permit authorizes discharge of industrial wastewater, non-contact cooling water, and storm water to Puget Sound, Des
    TagsACC, Clean Water Act, Ecology, NPDES, Pollution Control Hearings Board, Port Of Seattle, Water Quality
  • 1994-06-30

    Exhibit AR026741: NPDES Proposed Waste Discharge Permit No. WA-002465-I, Port Of Seattle, Sea-Tac International Airport — Response to Comments

    Response to comments document for NPDES Permit No. WA-002465-I issued by the Washington State Department of Ecology to Port Of Seattle for Sea-Tac International Airport. Prepared by Deborah North and Lisa Zinner, P.E., dated June 30, 1994. Covers discharge of treated industrial wastewater, non-contact cooling water, and storm water. Addresses public meeting held in Des
    TagsACC, NPDES, Pollution Control Hearings Board, Port Of Seattle, Sea-Tac Airport, Stormwater, Water Quality
  • 1994-03-30

    Exhibit 721: Record of Communication — Outgoing Call to Kevin Fitzpatrick, Ecology, Regarding WER Work Plan and Mixing Zone Study

    Parametrix Record of Communication (AR 026481–026483), project no. 55-2912-01, dated 3/30/94, by Linda Logan, documenting outgoing call to Kevin Fitzpatrick at Ecology (Ecolog[y]) as follow-up to 3/25/99 meeting. Topics include WER (Waste Effluent Ratio) work plan outline review by Gary Bailey and Randy Marshall, mixing zone study approach review by Norm Glen, AKART requirements at
    TagsACC, Ecology, NPDES, Pollution Control Hearings Board, Port Of Seattle, Stormwater, Water Quality
  • 1994-03-01

    Port Of Seattle South Aviation Support Area final environmental impact statement

    This March 1994 Final Environmental Impact Statement, prepared jointly by the Federal Aviation Administration's Seattle Airports District Office and the Port of Seattle, evaluates the proposed South Aviation Support Area at Seattle-Tacoma International Airport. The document assesses the potential environmental effects of developing aviation support facilities in the southern portion of the airport, covering impacts such as noise, land use, and related concerns. It was produced as part of the federally required environmental review process before any major airport infrastructure decisions could be approved.
    TagsEIS, Environmental Impact Statement, FAA, Port Of Seattle, Sea-Tac Airport
  • 1992-10-01

    The Flight Plan Project Final Environmental Impact Statement

    The Flight Plan Project, a joint effort by the Puget Sound Regional Council and the Port of Seattle, produced this 1992 Final Environmental Impact Statement to evaluate long-term commercial air transportation options for the central Puget Sound region. It examines system-level alternatives ranging from expanding Sea-Tac Airport to building new airport facilities, assessing trade-offs related to noise, air quality, land use, and regional quality of life. The document serves as a programmatic planning tool, with no single preferred alternative identified, intended to guide future site-specific environmental reviews and regional airport policy decisions.
    TagsFlight Plan Project, Port Of Seattle, Puget Sound Regional Council, Sea-Tac AirportStudy TopicsAir Quality, Airspace, Environment, Health, Noise, Transportation
  • 1992-09-11

    The Port Of Seattle wants to shake your hand

    A 1992 brochure from the Regional Commission on Airport Affairs (RCAA) argues that the Port of Seattle broke its 1973 promises to soundproof homes affected by Sea-Tac Airport noise, noting that only 700 of 10,000 impacted homes had been insulated and no public buildings had been treated despite a recognized obligation since 1988. The brochure opposes the Port's plan to spend up to $1.2 billion on a third runway at Sea-Tac, questioning how residents can trust new commitments when past ones went unfulfilled. It calls on the Port to fulfill its existing mitigation obligations before pursuing further airport expansion.
    TagsNoise Remedy Program, Port Of Seattle, RCAA, Sea-Tac Airport, Third Runway
  • 1992-09-08

    Resolution 3119: Port Of Seattle Commission Authorization for ILA with City of SeaTac for State Building Code Enforcement at Sea-Tac

    Port Of Seattle Commission Resolution No. 3119, adopted September 8, 1992, authorizing the Executive Director to execute an Interlocal Agreement between the City of SeaTac and the Port of Seattle for enforcement of the State Building Code at Seattle-Tacoma International Airport. The resolution references RCW Title 19 (1976), the Airport Building Department established in 1976
    TagsCity Of SeaTac, ILA, Interlocal Agreement, Port Of Seattle, Port Of Seattle Commission, Sea-Tac Airport
  • Resolution 3119 pdf
    1992-09-08

    Resolution 3119: Port Of Seattle Commission Authorization for Interlocal Agreement with City of Sea-Tac for State Building Code Enforcement at Seattle-Tacoma International Airport

    Port Of Seattle Commission Resolution No. 3119, adopted September 8, 1992, authorizing the Executive Director to execute an Interlocal Agreement between the City of SeaTac and the Port of Seattle for enforcement of the State Building Code at Seattle-Tacoma International Airport. The resolution references RCW Title 19 (1976), the Airport Building Department established in 1976
    TagsCity Of SeaTac, Interlocal Agreement, Port Of Seattle, Port Of Seattle Commission, RCW, Sea-Tac Airport

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  • Port of Seattle Regular Commission Meeting August 11, 2026
    Add to CalendarMTuesday Aug 11: 12:00am
    Port of Seattle Headquarters, Seattle, WA

    Item 8b – For Information Only Monthly Notification of Prior Executive Director Delegation Actions – July 2026 Presented by: Karen R. Goon, Deputy Executive Director Executive Director Delegated Approvals – July 2026: • Request #2891-2026: Authorization for Vertical Transportation Monitoring Project and 5-Year Contract for licensing and support – $1,800,000 • Request #2889-2026: Authorization for

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    Join Us for the KCIA 2026 FOD Walk! Get ready to step out and enjoy an awesome in-person event all about keeping our spaces clean and safe! The FOD Walk is a great chance to connect, learn, and have fun while helping out. Whether you’re a pro or just curious, everyone’s welcome to join the

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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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