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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.

TagPollution Control Hearings Board(1532)

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  • 2001-02-26

    Water/Sediment Quality Monitoring Laboratory Results Letter

    A laboratory results letter from Columbia Analytical Services, Inc. to John Strand of Columbia Biological Assessments, transmitting water and sediment quality monitoring sample results for project 00-101G. The letter references samples submitted on February 12, 2001, with preliminary results faxed on February 23, 2001, under service request number K2101038. The document also includes acronym definitions
    TagsACC, Pollution Control Hearings Board
  • 2001-02-22

    Exhibit 2040: King County Letter to Ecology Reviewing Port Of Seattle Comprehensive Stormwater Management Plan for Sea-Tac Airport Master Plan Improvements

    Letter dated February 22, 2001 from Pam Bissonnette, Director of King County Department of Natural Resources, to Ann Kenny, Senior Permit Specialist at Washington State Department of Ecology (DOE) Northwest Regional Office, regarding King County’s technical review of the Port Of Seattle’s Comprehensive Stormwater Management Plan (SMP) for Master Plan Improvements at SeaTac International Airport.
    TagsACC, Ecology, King County, Pollution Control Hearings Board, Port Of Seattle, Sea-Tac Airport, Stormwater
  • 2001-02-22

    Exhibit 48: King County Letter to Ecology on Port Of Seattle Stormwater Management Plan Review for Sea-Tac Airport Master Plan Improvements

    Letter dated February 22, 2001 from Pam Bissonnette, Director, King County Department of Natural Resources, to Ann Kenny, Senior Permit Specialist, Washington State Department of Ecology Northwest Regional Office, regarding King County’s technical review of the Port Of Seattle’s Comprehensive Stormwater Management Plan (SMP) for Master Plan Improvements at SeaTac International Airport. The letter references
    TagsACC, Ecology, King County, Pollution Control Hearings Board, Port Of Seattle, Sea-Tac Airport, Stormwater
  • 2001-02-21

    Five-Year Project Report: City of Des Moines Water Quality Monitoring Program

    A five-year project report prepared by Herrera Environmental Consultants for the City of Des Moines Surface Water Management Utility, covering water quality monitoring results from Des Moines Creek, Massey Creek, and North Fork McSorley Creek basins. The report includes hydrologic results, water quality parameters such as temperature, pH, dissolved oxygen, metals, nutrients, and fecal coliform
    TagsACC, Pollution Control Hearings Board
  • 2001-02-16

    Determining Whether the U.S. Army Corps of Engineers Has a Scientifically Adequate Basis to Issue a Permit Under the Clean Water Act Section 404 for the Port Of Seattle’s Third Runway Project

    A fisheries biologist writing on behalf of the Airport Communities Coalition reviews the Port of Seattle’s Section 404 Clean Water Act permit application for the Sea-Tac third runway project. The letter evaluates impacts on fish and fish habitat in Miller Creek, Walker Creek, and Des Moines Creek, including concerns about water quality violations from stormwater
    TagsACC, Pollution Control Hearings Board
  • 2001-02-16

    Water Quality and Water Management Review of Sea-Tac Airport Stormwater Plan

    A letter from Water Resources Consulting L.L.C. to the U.S. Army Corps of Engineers and Washington State Department of Ecology, reviewing water quality and water management aspects of the SeaTac Airport Master Plan Update. The review, requested by the Airport Communities Coalition, identifies serious deficiencies in the Comprehensive Stormwater Management Plan, including ongoing violations of
    TagsACC, Pollution Control Hearings Board
  • 2001-02-16

    Determining Whether the U.S. Army Corps of Engineers Has a Scientifically Adequate Basis to Issue a Permit Under the Clean Water Act Section 404 for the Port Of Seattle’s Proposed Third Runway Project

    A letter from Columbia Biological Assessments to the U.S. Army Corps of Engineers and Washington State Department of Ecology, written on behalf of the Airport Communities Coalition, evaluating whether the Port of Seattle has provided sufficient scientific information to support issuance of a Clean Water Act Section 404 permit for its third runway project. The
    TagsACC, Pollution Control Hearings Board
  • 2001-02-16

    Comments on Impacts to Wetlands, Streams and Fisheries Resources From Proposed 3rd Runway at Seattle-Tacoma International Airport

    A letter from Azous Environmental Sciences, retained by the Airport Communities Coalition, providing detailed comments and analyses on the December 2000 updates to the Natural Resources Mitigation Plan and related documents for the proposed Third Runway at Sea-Tac Airport. The letter critiques the Port of Seattle’s wetland functional assessment, arguing that key analyses of wetland
    TagsACC, Pollution Control Hearings Board
  • 2001-02-16

    Comments of Airport Communities Coalition on Port Of Seattle Application for Clean Water Act Section 401 Certification and Section 404 Permit

    A letter from Helsell Fetterman law firm on behalf of the Airport Communities Coalition (ACC) to the U.S. Army Corps of Engineers and Washington Department of Ecology, urging denial of the Port of Seattle’s Clean Water Act Section 401 certification and Section 404 permit for the proposed Third Runway at Sea-Tac Airport. The letter argues
    TagsACC, Pollution Control Hearings Board
  • 2001-02-16

    Comments on Seattle Tacoma International Airport Project Third Runway – Embankment Fill and West MSE Wall, and Industrial Wastewater System Lagoon #3 Expansion Project on Second Public Notice

    GeoSyntec Consultants, retained by the Airport Communities Coalition, submitted technical comments to the U.S. Army Corps of Engineers and Washington State Department of Ecology regarding the proposed Third Runway Expansion Project at Seattle-Tacoma International Airport. The letter identifies significant deficiencies in the field investigation, laboratory analysis, and seismic and static analyses related to the embankment
    TagsACC, Pollution Control Hearings Board

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  • KCIA 2026 FOD Walk
    Add to CalendarMSaturday Aug 15, 7:30am - 10:00am
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    Museum of FlightSeattle, WA Saturday, August 15  •  7:30 AM – 10 AM Overview Join us for the KCIA 2026 FOD Walk—let’s keep the runway clean and have some fun together! Join Us for the KCIA 2026 FOD Walk! Get ready to step out and enjoy an awesome in-person event all about keeping our spaces

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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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