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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(2410)

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  • 2002-08-22

    Port Of Seattle’s petition for reconsideration regarding Condition 8

    The Port of Seattle filed a petition in August 2002 asking the Pollution Control Hearings Board to reconsider Condition 8 of its Final Order, which prohibited the use of a soil-testing method called SPLP (Synthetic Precipitation Leaching Procedure) to approve fill material for the Third Runway expansion project at Sea-Tac Airport. The Port argued that banning SPLP made it nearly impossible to find acceptable fill soil, since up to 78% of naturally occurring, uncontaminated soils would fail the Board's strict numeric criteria when tested across multiple constituents. The Port maintained that proper use of SPLP poses no environmental threat to water quality and requested the Board allow its use under specific conditions so the runway project could proceed.
    TagsFill Dirt, MTCA, Pollution Control Hearings Board, Port Of Seattle, RCAA, Third RunwayFolderRCAA
  • 2002-08-12

    Chronology of Section 401 permit, second application

    This document chronicles the Port of Seattle's second Section 401 Clean Water Act permit application, submitted in September 1999, which was on the verge of being denied by the Washington State Department of Ecology due to multiple shortcomings related to wetlands and water quality. On September 28, 2000, a private, unannounced meeting was held between Port, Ecology, and Governor's office officials, after which the Port strategically withdrew its application to avoid a formal denial. A series of closed-door negotiating sessions followed in October 2000, none of which were publicly announced, raising concerns about political influence and lack of transparency in the permitting process for Sea-Tac Airport expansion.
    TagsClean Water Act, Ecology, Port Of Seattle, RCAA, StormwaterFolderRCAA
  • 2002-08-01

    Impact/mitigation sites for proposed master plan update improvements at Seattle Tacoma International Airport

    This August 2002 document outlines proposed Master Plan Update improvements at Seattle-Tacoma International Airport (Sea-Tac), submitted by the Port of Seattle. It details construction projects including a third runway, runway safety areas, terminal expansions, and air cargo facilities, along with wetland impact mitigation measures in the Miller Creek Basin. The plans include on-site and off-site wetland mitigation areas, MSE retaining walls to minimize environmental impacts, and creek relocations across multiple sections of King County, Washington.
    TagsEnvironmental Impact Statement, Master Plan, Miller Creek, Port Of Seattle, RCAA, Third RunwayFolderRCAA
  • 2002-08-01

    Impact/mitigation sites for proposed master plan update improvements at Seattle Tacoma International Airport

    This August 2002 permit application by the Port of Seattle outlines proposed Master Plan Update improvements at Seattle-Tacoma International Airport, including the construction of a third runway, expanded taxiways, cargo facilities, and terminal upgrades. The documents map both on-site and off-site wetland mitigation areas required to offset environmental impacts, with retaining walls and creek relocations used to minimize effects on wetlands and Miller Creek. The project spans multiple sections of King County, Washington, and includes detailed plans for stormwater detention, runway safety areas, and property acquisition boundaries.
    TagsMaster Plan, Miller Creek, Port Of Seattle, RCAA, Sea-Tac Airport, Third RunwayFolderRCAA
  • 2002-07-01

    Seattle-Tacoma International Airport FAR Part 150 Study Update: Technical Appendix One (Final Report, July 2002)

    This document is the Technical Appendix One of the Seattle-Tacoma International Airport FAR Part 150 Study Update Final Report, completed in July 2002. It compiles community and technical advisory committee records, public hearing transcripts, noise abatement recommendations, and land use findings gathered during the airport's noise compatibility study. The report was produced by the Barnard Dunkelberg & Company Team on behalf of the Port of Seattle's Noise Abatement Office.
    Tagscommunity engagement, Part 150, Port Of Seattle, Sea-Tac AirportFolder2002
  • 2002-07-01

    Seattle-Tacoma International Airport FAR Part 150 Study Update: Technical Appendix Two, Final Report, July 2002

    This document is the Final Report (July 2002) of the FAR Part 150 Study Update for Seattle-Tacoma International Airport, a federally guided process to assess and manage aircraft noise impacts on surrounding communities. Technical Appendix Two (Appendices 7–26) compiles key study materials including community advisory committee reports, land use recommendations, flight track analyses, public hearing transcripts, noise data, and Port of Seattle resolutions. The report represents the culmination of extensive community involvement and technical review aimed at updating the airport's noise abatement and sound attenuation programs.
    TagsFlight Tracks, Part 150, Port Of Seattle, Sea-Tac AirportFolder2002
  • 2002-06-10

    EXH AR000917: Notice of Change of Address of Counsel for Respondent Port Of Seattle — PCHB No. 01-160

    Notice of Change of Address filed June 10, 2002 by Brown Reavis & Manning PLLC, attorneys for Respondent Port Of Seattle, in PCHB No. 01-160 before the Pollution Control Hearings Board for the State of Washington. New Seattle office address: 1201 Third Avenue, Suite 320, Seattle, Washington 98101; Olympia office remains at 421 South Capitol
    TagsACC, Airport Communities Coalition, Citizens Against Sea-Tac Expansion, PCHB, Pollution Control Hearings Board, Port Of SeattleFolderBox 01
  • 2002-06-07

    PCHB Doc 923: ACC Reply in Support of Motion for Correction, Clarification, and/or Partial Reconsideration of Order Publishing Depositions of Ecology Managers and CR 30(b)(6) Designated Witnesses

    ACC’s reply brief filed with the Pollution Control Hearings Board (PCHB No. 01-160) in support of its motion for correction, clarification, and/or partial reconsideration of the Board’s April 22 Order publishing certain portions of depositions of Ecology managers and CR 30(b)(6) designated witnesses. ACC argues against Port Of Seattle’s opposition, contending the motion is timely,
    TagsACC, Ecology, PCHB, Pollution Control Hearings Board, Port Of SeattleFolderBox 01
  • 2002-06-03

    EXH AR001008: Port Of Seattle’s Response to ACC’s Motion for Correction, Clarification and Reconsideration of Board’s Decision Publishing Portions of Depositions

    Port Of Seattle response filed in PCHB case No. 01-160 opposing ACC (Airport Communities Coalition) and Citizens Against Sea-Tac Expansion motion for correction, clarification, and reconsideration of the Pollution Control Hearings Board’s prior order publishing deposition portions of Ecology managers and CR 30(b)(6) designated witnesses (Erik Stockdale, Hellwig, Tom Luster). Port argues motion is untimely
    TagsACC, Ecology, PCHB, Pollution Control Hearings Board, Port Of SeattleFolderBox 01
  • 2002-06-03

    Des Moines Beach Park Legal Analysis and Department of Ecology Letter on Third Runway Fill Material

    Legal memorandum analyzing King County’s role in proposed Des Moines Beach Park conveyor belt operation, including property rights and park use restrictions. Includes Department of Ecology letter clarifying fill material certification requirements for Port of Seattle’s third runway construction.
    CategoriesCorrespondence, Litigation TagsAirport Expansion, Airport Law, Port Of SeattleFolderConveyor

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Upcoming Events

  • Port of Seattle Regular Commission Meeting September 22, 2026
    Add to CalendarMTuesday Sep 22: 12:00pm
    17801 International Blvd, Seattle, WA 98158
    2026 09 22 rm packet pdf

    Order of Business 10:30 a.m. 1. Call to Order 2. Executive Session – if necessary, pursuant to RCW 42.30.110 (executive sessions are not open to the public) 12:00 p.m. – Public Session Reconvene or Call to Order and Pledge of Allegiance 3. Approval of the Agenda 4. Special Orders of the Day 4a. Presentation of

    [...]
  • Highline Forum Agenda – September 23, 2026
    Add to CalendarMWednesday Sep 23, 2:30pm - 4:30pm
    City of Des Moines, Police Services Building,
    Highline forum agenda final 23sept2026 pdf

    Highline Forum Agenda Theme: Part 150 Update and PortJobs Overview 2:30pm – Convene Meeting/Introductions Port Co-Chair, Commissioner Mohamed 2:35pm – Public Comments Audience The meeting will be held in person and virtually. Those wishing to provide public comment may: 1) Deliver public comment via email; 2) Deliver public comment via Microsoft Teams; or 3) Deliver

    [...]

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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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