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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.

TagCASE(182)

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  • 2002-10-23

    Exhibit 1198: Placeholder — Not Present at Time of Scanning

    Exhibit 1198 was not present at the time of scanning. Administrative Record reference AR 045804.03. No document content available; placeholder page only.
    TagsACC, CASE, Pollution Control Hearings BoardFolderBox 19
  • 2002-10-23

    Exhibit 1082: Placeholder — Not Present at Time of Scanning

    Exhibit 1082 (AR 041131.01) was not present at the time of scanning. This is a placeholder page from the administrative record noting the absence of the exhibit. No substantive content is available.
    TagsACC, CASE, Pollution Control Hearings BoardFolderBox 17
  • 2002-10-22

    EXH AR016440: Prefiled Testimony of James C. Kelley, Ph.D. — PCHB 01-160 (ACC and CASE v. Ecology and Port Of Seattle)

    Prefiled direct testimony of James C. Kelley, Ph.D., submitted in PCHB case No. 01-160 before the Pollution Control Hearings Board for the State of Washington. Filed on behalf of respondents Department of Ecology and Port Of Seattle against appellants Airport Communities Coalition (ACC) and Citizens Against Sea-Tac Expansion (CASE). Testimony covers wetland delineation and classification,
    TagsACC, Auburn Wetland, CASE, PCHB, Pollution Control Hearings Board, Port Of SeattleFolderBox 07
  • 2002-10-22

    EXH AR015669: Direct Testimony of Erik Stockdale on Behalf of Ecology — PCHB No. 01-160

    Direct testimony of Erik Stockdale, Senior Wetlands Specialist at Washington State Department of Ecology, submitted in PCHB No. 01-160 before the Pollution Control Hearings Board. Stockdale, a certified Professional Wetlands Scientist, evaluates wetland impacts from Port Of Seattle Master Plan Update projects at Seattle-Tacoma International Airport (STIA). Project will fill 18.37 acres of palustrine freshwater
    TagsACC, CASE, Clean Water Act, Ecology, PCHB, Pollution Control Hearings BoardFolderBox 07
  • 2002-10-22

    Exhibit 779: Placeholder — Not Present at Time of Scanning

    Exhibit 779 was not present at the time of scanning. Administrative Record reference AR 028045.01. No document content available; placeholder page only.
    TagsACC, CASE, Pollution Control Hearings BoardFolderBox 10
  • 2002-10-21

    EXH AR021398: Declaration John A. Strand PhD Support CASE Appeal Stay NPDES Major Modification PCHB 01-090

    In this 2001 declaration filed with Washington State's Pollution Control Hearings Board, fisheries biologist Dr. John A. Strand argues that proposed modifications to the Port of Seattle's stormwater discharge permit would harm Walker and Gilliam Creeks near Sea-Tac Airport, which support salmon, trout, and other aquatic life. Dr. Strand contends that Ecology failed to identify specific locations of new construction-related stormwater outfalls, denying the public a meaningful chance to assess environmental impacts. He supports a stay of the permit modification until its compliance with the Clean Water Act can be fully reviewed.
    TagsACC, CASE, Clean Water Act, NPDES, Pollution Control Hearings Board, Port Of Seattle, StormwaterFolderBox 09
  • 2002-10-21

    EXH AR021068: Declaration Greg Wingard — CASE v. Ecology & Port, PCHB No. 01-090

    Greg Wingard, an environmental consultant and Executive Director of Waste Action Project, submitted this declaration in a 2001 Pollution Control Hearings Board appeal challenging a permit modification for Seattle-Tacoma International Airport's stormwater discharges. Wingard argues that the modified NPDES permit failed to identify the specific locations of new discharge outfalls into local waterways including Miller, Des Moines, Gilliam, and Walker Creeks, preventing meaningful public participation and environmental review. He contends that without knowing where discharges will occur, it is impossible to evaluate potential cumulative impacts on downstream waterways and riparian property owners.
    TagsACC, CASE, Ecology, NPDES, Pollution Control Hearings Board, StormwaterFolderBox 09
  • 2002-10-21

    EXH AR016822: Prefiled Direct Testimony of Donald E. Weitkamp, Ph.D. — PCHB 01-160

    Prefiled direct testimony of Donald E. Weitkamp, Ph.D., filed in PCHB case 01-160 before the Pollution Control Hearings Board for the State of Washington. Appellants are Airport Communities Coalition (ACC) and Citizens Against Sea-Tac Expansion (CASE); respondents are Department of Ecology and Port Of Seattle. Testimony covers aquatic habitat impacts of the STIA Master Plan
    TagsACC, CASE, Ecology, PCHB, Pollution Control Hearings Board, Port Of SeattleFolderBox 07
  • 2002-10-21

    EXH AR016791: Prefiled Direct Testimony of Steven J. Swenson — Stormwater Management at Sea-Tac Airport (PCHB No. 01-160)

    Prefiled direct testimony of Steven J. Swenson, licensed civil engineer at R.W. Beck, submitted in PCHB No. 01-160, Airport Communities Coalition (ACC) and Citizens Against Sea-Tac Expansion (CASE) v. State of Washington Department of Ecology and Port Of Seattle. Swenson testifies on stormwater management at SeaTac International Airport (STIA) during construction and operation of Master
    TagsACC, CASE, PCHB, Pollution Control Hearings Board, Port Of Seattle, StormwaterFolderBox 07
  • 2002-10-21

    EXH AR016567: Prefiled Testimony of Elizabeth M. Leavitt — PCHB No. 01-160, ACC and CASE v. Ecology and Port Of Seattle

    Prefiled direct testimony of Elizabeth M. Leavitt submitted in Pollution Control Hearings Board (PCHB) case No. 01-160, Airport Communities Coalition (ACC) and Citizens Against Sea-Tac Expansion (CASE) v. Department of Ecology and Port Of Seattle. Testimony covers Port Of Seattle’s Aviation Environmental Program, Joint Aquatic Resources Permit (JARPA), 401 Certification, Section 404 projects, Master Plan
    TagsACC, CASE, Elizabeth Leavitt, PCHB, Pollution Control Hearings Board, Port Of SeattleFolderBox 07

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Upcoming Events

  • Stay Grounded Event: Night trains, not night planes!
    Add to CalendarMSunday Sep 13: 12:00am
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    For the past two years, more than 220 initiatives from 15 countries have declared September 13th as the International day for the ban of night flights at airports. In parallel, activists across Europe have been gathering for pyjama parties for night trains – coordinated in 2024 and 2025 by Back on Track and Stay Grounded.

    [...]
  • Burien Airport Committee Meeting September 15, 2026
    Add to CalendarMTuesday Sep 15: 6:00pm
    400 SW 152nd St, Burien, WA 98166
    Burien airport committee 15 sep 2026 agenda pdf pdf

    a) Part 150 Noise Study (Emily Inlow-Hood) — 15 minutes
    b) SAMP Update and Next Steps (Brian Davis and Sarah Moore) — 15 minutes
    c) Legislative Updates — 10 minutes
       • SCA (Sarah Moore)
       • Work with Sen. Orwall (Brian Davis)
    d) StART Reorganization (Jeff Harbaugh and Karen Veloria) — 10 minutes

    [...]

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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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