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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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  • 2001-11-15

    EXH AR006154: ACC’s Updated Preliminary List of Witnesses — PCHB No. 01-133 and 01-150

    Airport Communities Coalition (ACC) updated preliminary witness list filed with the Pollution Control Hearings Board (PCHB) for Washington State, case numbers PCHB No. 01-133 and PCHB No. 01-150, against respondents Department of Ecology and Port Of Seattle. Filed November 15, 2001 by Helsell Fetterman LLP and Rachael Paschal Osborn. Lists Department of Ecology personnel including
    TagsACC, Ecology, PCHB, Pollution Control Hearings Board, Port Of SeattleFolderBox 03
  • 2001-11-15

    EXH AR006159: Port Of Seattle’s Objections to Issues Proposed by ACC, PCHB Case No. 01-160

    Port Of Seattle’s objections filed November 15, 2001 to three issues proposed by Airport Communities Coalition (ACC) in Pollution Control Hearings Board (PCHB) Case No. 01-160, concerning §401 certification for the Third Runway project. Objects to ACC Proposed Issues 11, 18, and 19: Issue 11 concerns dam safety permit requirements under WAC 173-175 and reasonable
    TagsACC, PCHB, Pollution Control Hearings Board, Port Of Seattle, Third Runway, Water QualityFolderBox 03
  • 2001-11-15

    EXH AR006162: Port Of Seattle Letter to PCHB on Plans and Reports Pursuant to §401 Certification, PCHB Case No. 01-160

    Letter from Foster Pepper & Shefelman (attorneys for Port Of Seattle) to Kaleen Cottingham, Presiding Officer, Pollution Control Hearings Board (PCHB Case No. 01-160), dated November 15, 2001, identifying plans and reports prepared or expected to be prepared pursuant to §401 Certification. Lists documents submitted on or before November 15, 2001 (Wetland A17 mitigation plan,
    TagsACC, Clean Water Act, Ecology, PCHB, Pollution Control Hearings Board, Port Of SeattleFolderBox 03
  • 2001-11-15

    PCHB Doc AR006187: ACC v. Ecology and Port Of Seattle — Supplemental Stipulation Regarding Proposed Statement of Legal Issues

    Supplemental Stipulation filed in PCHB No. 01-160, Airport Communities Coalition (ACC) v. State of Washington Department of Ecology and Port Of Seattle. Filed November 15, 2001, received by the Pollution Control Hearings Board November 16, 2001. Documents 21 agreed proposed legal issues for the Board’s consideration, covering Clean Water Act Section 401 certification for the
    TagsACC, Clean Water Act, Pollution Control Hearings Board, Port Of Seattle, Third RunwayFolderBox 03
  • 2001-11-15

    EXH AR006193: Ecology’s Objections to Issues Proposed Separately by ACC

    Respondent Washington State Department of Ecology’s objections filed before the Pollution Control Hearings Board (PCHB No. 01-133, PCHB No. 01-160) to issues proposed separately by Airport Communities Coalition (ACC). Ecology objects to ACC Issue No. 2 as outside the Board’s jurisdiction over the 401 Certification, and to ACC Issue No. 3 as duplicative, vague, and
    TagsACC, Ecology, Pollution Control Hearings Board, Port Of Seattle, Water QualityFolderBox 03
  • 2001-11-15

    PCHB Doc 6195: Ecology’s Revised Preliminary Witness and Exhibit List — ACC v. Ecology and Port Of Seattle (PCHB No. 01-133, 01-160)

    Respondent State of Washington Department of Ecology’s revised preliminary witness and exhibit list filed before the Pollution Control Hearings Board in PCHB No. 01-133 and 01-160, Airport Communities Coalition v. Ecology and Port Of Seattle. Lists 11 Ecology witnesses including Ann Kenny, Erik Stockdale, Kevin Fitzpatrick, Dave Garland, and others from Ecology Northwest Regional Office
    TagsACC, Ecology, Pollution Control Hearings Board, Port Of Seattle, StormwaterFolderBox 03
  • 2001-11-06

    EXH AR023789: Handwritten Notes — Third Runway EIS Modeling Errors, Port Packages, Mitigation

    A November 6, 2001 handwritten fax note discusses problems with noise modeling errors and how results will be integrated into legal policies. It notes that AK advised POS to produce a more complete and accurate document, and argues it is not reasonable to hold up port mitigation based on a mistake, stating that if there is no impact, there is no impact. The note also references consultant agreement on impact calculations and requirements related to 401 regulations submitted as group per FAA standards.
    TagsACC, Handwritten Notes, PCHB, Pollution Control Hearings Board, Port Of Seattle, Third RunwayFolderBox 10
  • 2001-11-02

    EXH AR026273: Parametrix Transmittal & Responses to ACOE Questions Oct 26 2001 STIA MPU Natural Resource Mitigation

    This November 2001 document from Parametrix, Inc. contains responses to U.S. Army Corps of Engineers questions regarding the Sea-Tac International Airport (STIA) Master Plan Update's natural resource mitigation project. It addresses technical questions about wetland mapping, watershed basin sizes, low-flow analysis, and cumulative wetland impacts across the Miller Creek, Walker Creek, and Des Moines Creek basins, showing projected wetland acreage reductions of approximately 3-4% with the project. The document also covers mitigation measures including wetland restoration sites and performance standards for invasive species control.
    TagsACC, Army Corp of Engineers, Des Moines Creek, Miller Creek, Pollution Control Hearings Board, Port Of Seattle, Third RunwayFolderBox 10
  • 2001-11-02

    EXH AR018323: Geotechnical Summary Report — Third Runway Embankment and MSE Retaining Walls, Seattle-Tacoma International Airport

    Hart Crowser geotechnical summary report (project 4978-06) prepared for the Port of Seattle for presentation to the U.S. Army Corps of Engineers, November 2, 2001. Covers Third Runway embankment construction at Seattle-Tacoma International Airport: 17,000,000 cubic yards compacted earth fill, maximum fill thickness 165 feet, 2H:1V side slopes, three Mechanically Stabilized Earth (MSE) retaining walls
    TagsACC, Army Corp of Engineers, Mechanically Stabilized Earth, Miller Creek, Pollution Control Hearings Board, Port Of Seattle, Third RunwayFolderBox 08
  • 2001-11-02

    EXH AR006206: ACC v. Ecology and Port Of Seattle — Stipulation Regarding Proposed Statement of Legal Issues, PCHB No. 01-160

    Stipulation filed November 2, 2001 in PCHB No. 01-160 by Airport Communities Coalition (ACC) against Washington State Department of Ecology and Port Of Seattle, pursuant to Pre-Hearing Order dated October 30, 2001. Three stipulated legal issues: (1) whether Ecology violated applicable law on public and agency notice, hearing, comment, and modification regarding the original 401/404
    TagsACC, Clean Water Act, Ecology, Pollution Control Hearings Board, Port Of SeattleFolderBox 03

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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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