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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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  • 2002-01-04

    PCHB Doc 01-160: Proposed Order Granting ACC’s Motion for Summary Judgment Regarding the Absence of a Water Right

    Proposed order from the Washington Pollution Control Hearings Board (PCHB No. 01-160) granting Airport Communities Coalition (ACC) motion for summary judgment on Issue No. 9(a) — whether a water right is required for implementation of the Port of Seattle’s low flow mitigation plan for the Third Runway Project. The Board found no reasonable assurance of
    TagsACC, Airport Communities Coalition, Pollution Control Hearings Board, Port Of Seattle, Third Runway, Water QualityFolderBox 03
  • 2002-01-03

    Exhibit 2054: Pre-Construction Hydrologic Monitoring Data, Master Plan Update Improvements, Seattle-Tacoma International Airport

    Transmittal form from Parametrix, Inc. (Jim Kelley) to Ann Kenny, Department of Ecology Northwest Regional Office, dated January 3, 2002, transmitting pre-construction hydrologic monitoring data for wetlands near the Third Runway embankment at Seattle-Tacoma International Airport. Required by conditions D1g, D5, and D6g of Water Quality Certification #1996-4-02325 (Amended-1), September 23, 2001. Project Number 556-2912-01-01-41D,
    TagsACC, Ecology, Pollution Control Hearings Board, Port Of Seattle, Third Runway, Water QualityFolderBox 12
  • 2002-01-02

    PCHB AR005758: Port Of Seattle Petition for Review of PCHB Order Granting Motion to Stay Section 401 Certification (Third Runway)

    Port Of Seattle petition for judicial review filed in Superior Court of Washington, Thurston County, challenging the Pollution Control Hearings Board (PCHB) Order Granting Motion to Stay the Effectiveness of Section 401 Certification related to the proposed third runway at Seattle-Tacoma International Airport (STIA). Petitioner Port Of Seattle represented by Linda J. Strout, Traci M.
    TagsACC, CASE, PCHB, Pollution Control Hearings Board, Port Of Seattle, Third RunwayFolderBox 03
  • 2002-01-02

    EXH AR026605: Seattle Master Plan Update — Natural Resources Mitigation Plan Changes (Auburn Grading Plan, June 28, 2001)

    This document summarizes changes made to the Port of Seattle Master Plan Update's Natural Resources Mitigation Plan to comply with a Water Quality Certification issued September 21, 2001. It outlines revisions to grading plans, culvert placements, wetland crossings, drainage controls, and planting schedules at the Auburn mitigation site, along with corresponding resolutions for each identified concern. The updates address issues such as water impoundment, erosion prevention, bald eagle habitat protection, and invasive species removal.
    TagsACC, Auburn Wetland, NEPA, PCHB, Pollution Control Hearings Board, Port Of Seattle, Stormwater, Third Runway, Water QualityFolderBox 10
  • 2002-01-01

    SR 509: Corridor Completion/I-5/South Access Road revised draft environmental impact statement and draft Section 4(f) evaluation

    ★ 32
    This January 2002 Revised Draft Environmental Impact Statement evaluates proposed improvements to SR 509 and I-5 in southwest King County, Washington, including a freeway extension to enhance southern access to Seattle-Tacoma International Airport. The study, prepared jointly by the Federal Highway Administration, WSDOT, Port of Seattle, King County, and the Cities of SeaTac and Des Moines, examines three build alternatives and a no-action alternative, differing in their proximity to Des Moines Creek Park and the airport runway protection zone. The proposed SR 509 extension corridor would be a minimum of 200 feet wide to accommodate general purpose and high-occupancy vehicle lanes in each direction.
    CategoriesHistory, Key Documents TagsPort Of Seattle, SR509, WSDOTFolderSR-509
  • 2002-01-01

    Final Staff Evaluation for SEPA Environmental Checklist – Des Moines Creek Basin Restoration Projects

    ★
    The City of SeaTac conducted an environmental review of the Des Moines Creek Basin Restoration Projects, a multi-agency effort involving the cities of SeaTac and Des Moines, the Port of Seattle, and King County. The project aims to improve water quality, reduce flooding, and restore fish habitat along Des Moines Creek by building a new detention facility, installing a high-flow bypass pipe, and maintaining low-flow water levels during dry summer months. The city's staff determined that the project does not require a full Environmental Impact Statement, as it is not expected to have a significant adverse impact on the environment.
    CategoriesKey Documents TagsCity Of Des Moines, City Of SeaTac, Des Moines Creek Basin Plan, Port Of SeattleFolderSeaTac
  • 2001-12-28

    EXH AR024306: ACC Review Letter — Nov 2001 NRMP Wetland Mitigation Inadequacies, STIA Third Runway

    A December 2001 letter from Azous Environmental Sciences challenges the Port of Seattle's wetland mitigation plan for the SeaTac Third Runway construction project, arguing that the plan inadequately offsets environmental damage to wetlands and streams. The letter contends that the Port has misclassified wetland 'enhancement' work at Vacca Farm as 'restoration,' inflating mitigation credits, and that the overall plan fails to meet no-net-loss standards required under Army Corps of Engineers regulations.
    TagsACC, Army Corp of Engineers, Miller Creek, Pollution Control Hearings Board, Port Of Seattle, Third RunwayFolderBox 10
  • 2001-12-28

    EXH AR027061: Ecology Acknowledgment of Waste Discharge Permit Application WA-002465-1 and Port Of Seattle NPDES Permit Renewal Submission for Sea-Tac Airport

    AR027061. Two letters dated December 2001 regarding NPDES Permit WA-002465-1 for Seattle-Tacoma International Airport. First: Washington Department of Ecology (Tricia Miller, Permit Coordinator, Northwest Regional Office) acknowledges receipt of a waste discharge permit application from Michael Feldman, Director of Aviation Facilities, Port Of Seattle, received December 21, 2001; contact Ed Abbasi at (425) 649-7227. Second
    TagsACC, Ecology, NPDES, Pollution Control Hearings Board, Port Of Seattle, Sea-Tac Airport, StormwaterFolderBox 10
  • 2001-12-27

    Exhibit 2049: Port Of Seattle Construction Stormwater Monitoring Report Letter — STIA Water Quality Certification No. 1996-4-02325

    Letter dated December 27, 2001 from Keith R. Smith, Water Resources Manager at Port Of Seattle Seattle-Tacoma International Airport, to Ms. Ann Kenny at Washington State Department of Ecology (Bellevue, WA 98088-5452), transmitting construction stormwater monitoring reports for September, October, and November 2001 under Section K.6 of Water Quality Certification No. 1996-4-02325 (Amended-1) and NPDES
    TagsACC, Construction, NPDES, Pollution Control Hearings Board, Port Of Seattle, Stormwater, Water QualityFolderBox 12
  • 2001-12-26

    EXH 295: ACC Interrogatories Nos. 1-19 and Requests for Production Nos. 1-6; Objections and Responses

    The Port of Seattle submitted formal objections and responses to interrogatories filed by the Airport Communities Coalition (ACC) before Washington State's Pollution Control Hearings Board, related to a legal dispute over the Port's Third Runway Project. The case centered on the Department of Ecology's water quality certification issued under federal Clean Water Act Section 401. The document outlines the legal procedures governing the exchange of information between the parties during the hearing process.
    TagsACC, Airport Communities Coalition, Ecology, Pollution Control Hearings Board, Port Of Seattle, Third RunwayFolderBox 09

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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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