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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(2403)

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  • 2001-08-16

    EXH AR017832: Ecology Internal Talking Points — 401 Certification Response to Port Of Seattle Concerns

    Internal Ecology meeting notes and talking points dated 8/16/2001 regarding the 401 Water Quality Certification issued for the Third Runway project at Sea-Tac Airport. Ecology staff prepared responses to Port Of Seattle concerns about the certification’s open-ended conditions, covering topics including NPDES major modification, stormwater retrofitting, wetland mitigation, Water Effects Ratio (WER) Study, Walker Creek
    TagsACC, Ecology, NPDES, Pollution Control Hearings Board, Port Of Seattle, Third Runway, Water QualityFolderBox 08
  • 2001-08-16

    EXH AR017850: Exhibit 101 — Hellwig Email to Tom Fitzsimmons Re Meeting in Seattle, 401 Certification Strategy Notes

    Email dated August 16, 2001 from Raymond Hellwig to Tom Fitzsimmons regarding a meeting in Seattle, attaching strategy notes (p3rw-1.doc) on Washington State Department of Ecology’s 401 Certification issued to Port Of Seattle. The attached document outlines overriding messages and specific responses to Port concerns about the 401 Certification, including that substantive changes would require
    TagsACC, Clean Water Act, Ecology, Litigation, NPDES, Pollution Control Hearings Board, Port Of SeattleFolderBox 08
  • 2001-08-15

    EXH AR051053: Final Draft Conceptual Borrow Material Development and Reclamation Plan, Borrow Areas 3 and 4, Sea-Tac Airport

    Hart Crowser prepared this Final Draft Conceptual Borrow Material Development and Reclamation Plan for Borrow Areas 3 and 4 at Sea-Tac International Airport, City of SeaTac, Washington, for the Port Of Seattle, dated August 15, 2001 (project number 4978-65). The plan covers site preparation, excavation practices, reclamation, revegetation, weed control, stormwater management, and wetland protection
    TagsACC, Construction, Environmental Impact Statement, Pollution Control Hearings Board, Port Of Seattle, Sea-Tac Airport, StormwaterFolderBox 21
  • 2001-08-10

    EXH AR051006: Addendum #4 to STIA Master Plan FEIS and FSEIS — Borrow Source Areas 3 and 4 and FAA NEPA Reevaluation Document

    Port of Seattle Addendum #4 (POS SEPA No. 01-16, August 10, 2001) to the Seattle-Tacoma International Airport Master Plan Final Environmental Impact Statement (FEIS) and Final Supplemental Environmental Impact Statement (FSEIS) issued May 13, 1997. Addresses project design changes to Borrow Source Areas 3 and 4 for third runway embankment fill material excavation, and incorporates
    TagsACC, Environmental Impact Statement, NEPA, Pollution Control Hearings Board, Port Of Seattle, SEPA, Third RunwayFolderBox 21
  • 2001-08-10

    EXH AR051013: Water Quality Certification Order #1996-4-02325 — Ecology to Port Of Seattle for Third Runway Construction at STIA

    Washington State Department of Ecology Water Quality Certification (Order #1996-4-02325) issued August 10, 2001, to Port Of Seattle for construction of a 8,500-foot third parallel runway and related projects at Seattle-Tacoma International Airport (STIA) in the Miller, Walker, and Des Moines Creek watersheds and wetlands in SeaTac and Auburn, King County. Certifies compliance with Clean
    TagsACC, Clean Water Act, Ecology, Pollution Control Hearings Board, Port Of Seattle, Third Runway, Water QualityFolderBox 21
  • 2001-08-10

    EXH 455: Water Quality Cert #1996-4-02325 Fill Acceptance Conditions Third Runway Embankment pp.14–16

    This document outlines Washington State Department of Ecology conditions for accepting imported fill material used in construction of Sea-Tac Airport's Third Runway and associated Master Plan improvements. It requires the Port of Seattle to submit environmental assessments of fill sources — including records reviews, site reconnaissance, and soil sampling for hazardous substances such as arsenic, lead, and mercury — at least ten business days before placing any fill. Specific contamination limits (e.g., arsenic at 20 mg/kg, lead at 220/250 mg/kg) and minimum sampling schedules based on fill volume are established to prevent toxic materials from entering state waters and wetlands.
    TagsACC, Ecology, Fill Dirt, Pollution Control Hearings Board, Port Of Seattle, Third Runway, Water QualityFolderBox 09
  • 2001-08-10

    EXH AR027998: Ecology Department Approves Permit for New Airport Runway

    Washington State Department of Ecology news release (AR027998, dated August 10, 2001) approving the Port Of Seattle’s water-quality certification permit under the federal Clean Water Act for construction of a third runway at Seattle-Tacoma International Airport. The permit covers stormwater management for Des Moines, Miller, and Walker creeks; filling of nearly 20 acres of wetlands;
    TagsACC, Clean Water Act, Ecology, Pollution Control Hearings Board, Port Of Seattle, Stormwater, Third RunwayFolderBox 10
  • 2001-08-10

    EXH AR016935: Ecology Water Quality Certification — STIA Third Runway Construction, Order #1996-4-02325

    Washington State Department of Ecology (Ecology) Water Quality Certification letter dated August 10, 2001, addressed to Port Of Seattle, Attn: Elizabeth Leavitt, for U.S. Army Corps of Engineers Public Notice 1996-4-02325. Certifies that construction of a Third Runway and related projects at Seattle-Tacoma International Airport (STIA) in the Miller, Walker, and Des Moines Creek watersheds
    TagsACC, Clean Water Act, Ecology, Pollution Control Hearings Board, Port Of Seattle, Third Runway, Water QualityFolderBox 08
  • 2001-08-10

    Exhibit 2045: Letter from Stoel Rives LLP to FWS Transmitting Draft Embankment Seepage Monitoring Plan for Third Runway

    Letter dated August 10, 2001, from James M. Lynch of Stoel Rives LLP, attorney for the Port Of Seattle, to Ken Berg, Manager of the U.S. Fish and Wildlife Service (FWS) Western Washington Office, transmitting a draft Embankment Seepage Monitoring Plan (MP) for the proposed Sea-Tac Airport Third Runway embankment fill. Submitted pursuant to the
    TagsACC, ESA, Miller Creek, Pollution Control Hearings Board, Port Of Seattle, Sea-Tac Airport, Third RunwayFolderBox 12
  • 2001-08-09

    EXH AR051004: FAA Letter to Army Corps of Engineers Re: STIA Third Runway Environmental Re-Evaluation

    FAA Northwest Mountain Region letter dated August 9, 2001, from Lowell H. Johnson (Manager, Airports Division) to Colonel Ralph Graves (District Engineer, U.S. Army Corps of Engineers, Seattle District Office) regarding Seattle-Tacoma International Airport third runway project. References May 22 meeting and April 30 Memorandum for Record. Describes two written environmental re-evaluations of the Final
    TagsACC, Army Corp of Engineers, Environmental Impact Statement, FAA, Pollution Control Hearings Board, Port Of Seattle, Third RunwayFolderBox 21

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  • 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

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  • 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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