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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.

TagCitizens Against Sea-Tac Expansion(43)

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  • 2002-03-12

    PCHB Doc 002457: Pre-Hearing Brief of Port Of Seattle — ACC and CASE v. Ecology and Port Of Seattle (PCHB No. 01-160)

    Pre-hearing brief filed by Port Of Seattle before the Pollution Control Hearings Board (PCHB No. 01-160) in Airport Communities Coalition (ACC) and Citizens Against Sea-Tac Expansion (CASE) v. State of Washington Department of Ecology and Port Of Seattle. Argues that Ecology’s 401 water quality certification for the STIA third runway and Master Plan Update (MPU)
    TagsACC, Airport Communities Coalition, Citizens Against Sea-Tac Expansion, Pollution Control Hearings Board, Port Of Seattle, Third Runway, Water QualityFolderBox 02
  • 2002-03-05

    EXH AR003184: Notice of Withdrawal and Substitution of Counsel for Respondent Port Of Seattle — PCHB No. 01-160

    Notice of Withdrawal and Substitution of Counsel filed March 5, 2002 in PCHB No. 01-160 before the Pollution Control Hearings Board for the State of Washington. Marten Brown Inc. withdraws as counsel for Respondent Port Of Seattle and is replaced by Brown Reavis & Manning PLLC, with Gillis E. Reavis (WSBA #21451) signing for both
    TagsACC, Airport Communities Coalition, Citizens Against Sea-Tac Expansion, PCHB, Pollution Control Hearings Board, Port Of SeattleFolderBox 02
  • 2002-02-20

    PCHB Doc 3518: CASE’s Final List of New Witnesses and Exhibits, PCHB No. 01-160

    Citizens Against Sea-Tac Expansion (CASE) final witness and exhibit list filed with the Pollution Control Hearings Board (PCHB No. 01-160), dated February 20, 2002, in the matter of Airport Communities Coalition v. Department of Ecology and Port Of Seattle. Witnesses listed: Kate Rhoads and Bob Furstenberg of King County DNR. Exhibits include construction stormwater monitoring
    TagsACC, CASE, Citizens Against Sea-Tac Expansion, NPDES, PCHB, Pollution Control Hearings BoardFolderBox 02
  • 2002-01-11

    PCHB Doc 01-160: Order Granting ACC’s Motion to Compel Inspection of Port Property

    Proposed order in PCHB No. 01-160 granting Airport Communities Coalition (ACC) motion to compel inspection of Port Of Seattle property. Orders Port Of Seattle to confer with ACC counsel within two days to schedule site visits for ACC experts, counsel, paralegal, and two client representatives to observe, photograph, and sample wetlands, soils, and streams within
    TagsACC, Citizens Against Sea-Tac Expansion, PCHB, Pollution Control Hearings Board, Port Of Seattle, Third RunwayFolderBox 03
  • 2001-11-30

    PCHB Doc 5853: Order Granting Intervention (Proposed) — CASE in ACC v. Ecology and Port Of Seattle, PCHB No. 01-160

    Proposed Order Granting Intervention filed in Pollution Control Hearings Board case PCHB No. 01-160, Airport Communities Coalition (ACC) v. Washington State Department of Ecology and Port Of Seattle. Order grants the Motion to Intervene by Citizens Against Sea-Tac Expansion (CASE) as a party-intervenor. Presented by Smith & Lowney, P.L.L.C., attorney Richard A. Poulin, WSBA #27782.
    TagsACC, CASE, Citizens Against Sea-Tac Expansion, PCHB, Pollution Control Hearings BoardFolderBox 03
  • 2000-09-07

    Exhibit 138: Smith & Lowney Letter to Ecology Regarding Port Of Seattle NPDES Permit Violations and Third Runway Water Quality Certification

    Fax cover sheet and two-page letter dated September 7, 2000 from Richard A. Poulin of Smith & Lowney, P.L.L.C. to Raymond Hellwig (Director, NW Regional Office, Washington Department of Ecology) and Tom Luster (Permit Coordination Unit, Ecology), on behalf of Citizens Against Seatac Expansion (CASE) and Waste Action Project (WAP). Letter transmits a 60-day Notice
    TagsACC, CASE, Citizens Against Sea-Tac Expansion, Clean Water Act, Ecology, Pollution Control Hearings Board, Port Of Seattle, Third Runway, Water QualityFolderBox 08
  • 1999-11-29

    EXH AR024298: Letter to Army Corps Opposing Section 404 Permit STIA Third Runway

    In a November 1999 letter to the U.S. Army Corps of Engineers, the law firm Smith & Lowney submitted comments on behalf of Citizens Against Seatac Expansion (CASE) opposing a permit for the Port of Seattle's proposed Third Runway expansion at Sea-Tac Airport. The letter argues that the permit should be denied because the project would violate federal and state water quality standards, including toxic effluent limits for copper and zinc, and cause significant degradation to U.S. waters. It urges the Corps to consider not only the direct environmental impacts of the proposed fill, but also the cumulative and secondary effects of all current and future airport operations when making its permitting decision.
    TagsACC, Army Corp of Engineers, CASE, Citizens Against Sea-Tac Expansion, Clean Water Act, Pollution Control Hearings Board, Third RunwayFolderBox 10
  • 1998-12-23

    Order Denying Port Of Seattle’s Motion to Dismiss for Lack of Standing and Staying Action

    In a December 1998 ruling, King County Superior Court Judge Peter D. Jarvis denied the Port of Seattle's motion to dismiss a lawsuit filed by Citizens Against SeaTac Expansion, finding that the group had legal standing to challenge the Port's environmental decision regarding replacement wetlands in Auburn. The court determined that this decision was interrelated to the broader Seattle-Tacoma International Airport Master Plan Update, including the proposed Third Runway. While rejecting dismissal, the court stayed all proceedings until the Port completed all required environmental reviews under SEPA and Sections 401 and 404 of the Clean Water Act.
    TagsAuburn Wetland, CASE, Citizens Against Sea-Tac Expansion, Port Of Seattle, Third RunwayFolderCASE #98-2-23944-1 SEA
  • 1998-12-10

    Supplemental Declaration of Lawrence Corvari Supporting CASE’s Consolidated Opposition Brief

    In this 1998 court declaration, Lawrence Corvari, Co-President of Citizens Against SeaTac Expansion (CASE), challenges the Port of Seattle's Auburn Mitigation Plan and its environmental review determination. Corvari argues that building replacement wetlands in Auburn rather than near the affected Miller Creek or Des Moines Creek watersheds leaves adverse environmental impacts unmitigated, harming CASE members' ability to enjoy local wildlife and a healthy environment. The declaration also corrects what Corvari describes as misrepresentations of his deposition testimony by the Port's attorneys in their Motion to Dismiss for Lack of Standing.
    TagsAuburn Wetland, CASE, Citizens Against Sea-Tac Expansion, Port Of Seattle, SEPAFolderCASE #98-2-23944-1 SEA
  • 1998-10-31

    Declaration of Helen Kludt Supporting Plaintiff’s Petition for a Writ of Review

    Helen Kludt, a Normandy Park resident who has lived near Miller Creek since 1956, submitted this 1998 court declaration supporting a legal challenge against the Port of Seattle's plans to expand Sea-Tac Airport with a third runway. She argues that the Port's proposal to destroy wetlands in the Miller Creek Basin and offset environmental impacts through out-of-basin mitigation in Auburn is inadequate and violates the State Environmental Policy Act (SEPA). Kludt contends the expansion will harm her property value, degrade local wildlife habitat, and worsen flooding along Miller Creek.
    TagsAuburn Wetland, CASE, Citizens Against Sea-Tac Expansion, Miller Creek, SEPAFolderCASE #98-2-23944-1 SEA

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Upcoming Events

  • Stay Grounded Event: Night trains, not night planes!
    Add to CalendarMSunday Sep 13: 12:00am
    Ntnnp social media3

    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

    [...]

[See all...]


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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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