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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.

TagACC(1531)

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  • 2000-05-24

    EXH AR022970: ACC Review Letter — SR509 Temp Interchange Wetland 43 Impacts

    A professional wetland scientist reviewed the construction plans for a temporary SR509 interchange near Seattle-Tacoma International Airport and concluded that the project would cause harmful sediment-laden stormwater runoff to discharge into nearby Wetland 43. The report found that the wetland boundary was significantly closer to the construction zone than project documents indicated, and that the steep slopes and sparse vegetation of the construction site made sediment runoff unavoidable. The scientist determined that the planned temporary erosion control measures were inadequate to protect the wetland, particularly during unexpected storm events.
    TagsACC, Army Corp of Engineers, Pollution Control Hearings Board, SR509, Stormwater, Third RunwayFolderBox 10
  • 2000-05-23

    EXH AR018449: Sea-Tac Internal Meeting Notes — Wildlife Hazard Plan, Easements, Groundwater Model, Cumulative Impacts

    Handwritten notes from a SeaTac internal meeting on 5-23-00 (AR 018449, Exhibit 180), attended by Jeannie, Ray H., Tom L., Joan M., John Glynn, Kevin P., and Paula Chlos. Topics include resolving conflicts between wildlife hazard plan and mitigation plan, sideboard definitions needed; need for ETA statement on conflict with circular and whether it meets
    TagsACC, Army Corp of Engineers, Auburn Wetland, Handwritten Notes, NEPA, Pollution Control Hearings Board, Sea-Tac AirportFolderBox 08
  • 2000-05-23

    EXH AR022964: ACC Review Letter — Wetlands Impacts, Temp Interchange SR-509 & S. 176th St

    A May 2000 environmental science review raised concerns that construction of a temporary highway interchange near Seattle-Tacoma International Airport's third runway would cause direct sediment runoff into the adjacent Wetland 43. The report found that the wetland boundary was up to 50 feet closer to the construction zone than project documents indicated, and that the steep slopes and inadequate erosion controls would fail to prevent sediment-laden stormwater from damaging the wetland's water quality and aquatic habitat.
    TagsACC, Army Corp of Engineers, Pollution Control Hearings Board, SR509, Stormwater, Third RunwayFolderBox 10
  • 2000-05-22

    EXH AR044677: Port Of Seattle Letter Withdrawing and Resubmitting CZMA Consistency Statement for Sea-Tac Airport Third Runway

    Letter dated May 22, 2000 from Elizabeth Leavitt, Manager of Aviation Environmental Programs at Port Of Seattle, to Tom Luster at Washington Department of Ecology (Environmental Coordination Section), withdrawing the December 6, 1999 CZMA Consistency Statement and simultaneously submitting a new one to reset the six-month review period under 33 C.F.R. Sec. 325.2. The withdrawal
    TagsACC, Ecology, NEPA, Pollution Control Hearings Board, Port Of Seattle, Sea-Tac Airport, Third RunwayFolderBox 19
  • 2000-05-19

    Exhibit 167: Email from Raymond Hellwig to Thomas Fitzsimmons Re: Sea-Tac 3rd Runway Permitting Timeline

    Email dated May 19, 2000 from Raymond Hellwig (City of Des Moines) to Thomas Fitzsimmons regarding the SeaTac 3rd Runway permitting process. Discusses tight July 2000 decision-making timeframe, King County review of Port Of Seattle stormwater management plan requiring up to 10 more weeks, development of a definitive issues list for the proposed runway, drafting
    TagsACC, CASE, City Of Des Moines, Pollution Control Hearings Board, Port Of Seattle, Stormwater, Third RunwayFolderBox 08
  • 2000-05-19

    EXH AR017773: Internal Email — Sea-Tac Third Runway Decision-Making Timeline and Workload Management

    Email from Raymond Hellwig to Thomas Fitzsimmons dated May 19, 2000, regarding the SeaTac Third Runway permitting process and July 2000 decision-making timeframe. Discusses King County review of Port Of Seattle stormwater management plan requiring up to 10 more weeks, internal staff meetings to develop a definitive issues list, drafting 401 language for resolved issues,
    TagsACC, NEPA, Pollution Control Hearings Board, Port Of Seattle, Sea-Tac Airport, Stormwater, Third RunwayFolderBox 08
  • 2000-05-15

    EXH AR017771: Ecology Internal Email — May 16 Meeting with Port Of Seattle on Third Runway 401 and CZM Review

    Raymond Hellwig (Washington State Department of Ecology) emails Joe Dear and colleagues on May 15, 2000, as an addendum to a memo preparing for a May 16 meeting with Port Of Seattle regarding the Sea-Tac Third Runway. Explains that the one-year 401 Water Quality Certification evaluation period restarted September 1999, with a possible July 2000
    TagsACC, Clean Water Act, Ecology, Pollution Control Hearings Board, Port Of Seattle, Third Runway, Water QualityFolderBox 08
  • 2000-05-12

    EXH AR017767: Ecology Memo to Governor’s Chief of Staff on May 16 Meeting with Port Of Seattle Re Third Runway

    Memo dated May 12, 2000 from Ray Hellwig, Regional Director, Washington Department of Ecology (Northwest Regional Office), to Joe Dear, Chief of Staff, Office of the Governor, regarding a May 16 meeting between Mic Dinsmore (Executive Director, Port Of Seattle), the Governor, and Wes Ulman, arranged by Martha Choe at CTED. Covers Ecology’s 401 Water
    TagsACC, Ecology, Pollution Control Hearings Board, Port Of Seattle, Puget Sound Regional Council, Third Runway, Water QualityFolderBox 08
  • 2000-05-12

    EXH AR017792: Ecology Staff Recognition Checks — Sea-Tac Third Runway WQ Certification and NPDES Permit

    Memo dated May 12, 2000 from Ray Hellwig (Northwest Regional Office, Department of Ecology) to Gary Zeiler requesting $200.00 recognition checks for seven Ecology staff and two AAGs (Joan Marchioro and Tom Young, Ecology Division) involved in the Sea-Tac Third Runway Water Quality Certification and NPDES Permit decisions. Staff recognized include Ann Kenny, Erik Stockdale
    TagsACC, Ecology, NPDES, Pollution Control Hearings Board, Sea-Tac Airport, Third Runway, Water QualityFolderBox 08
  • 2000-05-11

    EXH AR017927: Internal Email — Meeting with Mic Dinsmore, Port Of Seattle, Wes Ulman, Puget Sound Regional Council, and Governor re Sea-Tac Airport Third Runway

    Internal email from Raymond Hellwig to Thomas Fitzsimmons, copied to Tom Luster and others at Washington State Department of Ecology, dated May 11, 2000 (AR017927). Describes a meeting arranged by Martha Choe (CTED) for May 16, 2000 between Governor, Mic Dinsmore (Port Of Seattle), and Wes Ulman (Puget Sound Regional Council) regarding the Sea-Tac Airport
    TagsACC, Ecology, Mic Dinsmore, Pollution Control Hearings Board, Port Of Seattle, Puget Sound Regional Council, Third RunwayFolderBox 08

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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

    [...]

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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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