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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.

TagCity Of SeaTac(241)

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  • 2025-12-02

    PRR25-568 public records request acknowledgment letter

    The City of SeaTac acknowledged a public records request (PRR25-568) from Paula Rodriguez seeking all communications, proposals, and scoring related to the selection of legal services for the Sustainable Airport Master Plan (SAMP), covering both NEPA and SEPA processes from January 1, 2024 to October 31, 2025. The request was received on November 30, 2025, and assigned a tracking number for processing by the relevant city departments. The City anticipated fulfilling the request by December 19, 2025.
    TagsCity Of SeaTac, NEPA, Public Records, SAMP, SEPAFolderSeaTac
  • 2025-12-01

    Case 25-7439 Docket Ninth Circuit Court of Appeals

    Three cities near Seattle-Tacoma International Airport — SeaTac, Des Moines, and Burien — are challenging a September 2025 FAA decision that declared a major airport expansion plan would have no significant environmental impact. The cities argue the FAA's environmental review was legally flawed because it used an artificially narrow baseline, ignored cumulative effects, and underestimated impacts on noise, air quality, and traffic in surrounding communities. The case is being heard in the Ninth Circuit Court of Appeals alongside a related challenge brought by Vashon Island Fair Skies, with the FAA seeking to consolidate both cases.
    TagsCity of Burien, City Of SeaTac, FAA, NEPA, SAMPFolderFour City ILA
  • Green Seatac Partnership
    2025-11-28

    North SeaTac Park Black Friday Tree Planting

    Join us on Black Friday for a post-Thanksgiving restoration and planting event. Volunteers will help with planting, weeding and/or mulching or some combination of all three. We will be outside and welcome everyone to come get some fresh air, help with restoration in North Seatac park and get to meet folks from around the community.
    CategoriesEvents TagsCity Of SeaTac, North Sea-Tac Park, Trees
  • 2025-11-26

    Petition for Review FAA NEPA FONSI ROD email chain

    City of SeaTac officials exchanged emails in November 2025 regarding a Petition for Review filed to appeal the FAA's NEPA Finding of No Significant Impact (FONSI) and Record of Decision, coordinated under an Interlocal Agreement (ILA) with the cities of Burien and Des Moines. A council member raised concern about the petition listing 'Attorneys for Vashon Island Fair Skies' rather than the three cities, to which Director Evan Maxim clarified that outside legal counsel Mr. Taber also represents other parties including Vashon Island in a related SAMP appeal, and that the reference was likely included by mistake. SeaTac is identified as the primary party in the event of any conflict of interest among the represented parties.
    TagsCity Of SeaTac, FONSI, NEPA, SAMP, Vashon Island Fair SkiesFolderSeaTac
  • 2025-11-25

    Docketing Notice and Briefing Schedule: City of Burien, et al. v. Federal Aviation Administration, et al., Case No. 25-7439

    The U.S. Court of Appeals for the Ninth Circuit has opened a case (No. 25-7439) in which the cities of Burien, Des Moines, and SeaTac are jointly challenging the Federal Aviation Administration and U.S. Department of Transportation over airport-related policy. The petitioning cities must submit mediation questionnaires by December 1, 2025, and file their opening briefs by February 13, 2026, with federal respondents' answering briefs due March 16, 2026. Failure by the cities to meet the opening-brief deadline could result in dismissal of the case.
    TagsCity of Burien, City Of Des Moines, City Of SeaTac, FAA, Ninth Circuit Court of AppealsFolderFour City ILA
  • 2025-11-24

    Interlocal agreement for the construction of the Miller Creek Stream Realignment and Daylighting Project

    This interlocal agreement between the City of SeaTac and the City of Burien outlines roles, responsibilities, and cost-sharing for the Miller Creek Stream Realignment and Daylighting Project, which will improve fish passage and replace an aging culvert under Des Moines Memorial Drive. Burien will design and construct the project, while SeaTac agrees to reimburse Burien up to $985,000 for work performed within SeaTac's right of way. SeaTac retains inspection and approval rights over all construction elements within its jurisdiction.
    TagsCity of Burien, City Of SeaTac, Construction, Interlocal Agreement, Miller CreekFolderSeaTac
  • 2025-11-24

    25-7439 Petition for Review of Agency Order – City of Burien, City of Des Moines, and City of SeaTac v. FAA

    Three Washington cities near Seattle-Tacoma International Airport — Burien, Des Moines, and SeaTac — filed a legal challenge on November 24, 2025, asking a federal appeals court to review the FAA's September 2025 decision approving near-term construction and expansion projects under the airport's Sustainable Airport Master Plan. The cities argue the FAA's environmental finding, known as a FONSI/ROD, should be scrutinized by the Ninth Circuit Court of Appeals, which has jurisdiction because the cities are located within that circuit. The petition was filed on the last allowable day of the 60-day filing window, as the original deadline fell on a Sunday.
    TagsCity of Burien, City Of Des Moines, City Of SeaTac, FAA, FONSI, Litigation, Ninth Circuit Court of Appeals, SAMPFolderFour City ILA
  • 2025-11-22

    City of SeaTac Agenda Bill 6794 – Legal Services for Airport Environmental Review

    City of SeaTac SAMP ILA AB6794 November 12, 2025 Request for Council Action MAYOR EGAL: That’s fine with us. Right. Okay. So that is for that. The next item will be an action item agenda bill 6794, an ordinance authorizing the city manager to execute a letter of engagement for legal services, authorizing the city
    CategoriesMeetings TagsCity Of SeaTac, SAMP, SAMP Four City ILA
  • November 20, 2025 POS Millercreek 07 1500X844 Web
    2025-11-21

    Miller Creek Restoration Project Completed, Enhancing Contiguous Ecosystem and Community Access

    $3.5 million interlocal partnership delivers critical salmon habitat and restores public access near Miller Creek Trail November 21, 2025 The Port of Seattle, the City of Burien, and the City of SeaTac celebrated the completion of a significant Miller Creek Restoration project on Thursday. The project replaced two critical fish passage barriers, created 450 feet
    CategoriesFrom The Web TagsCity of Burien, City Of SeaTac, Miller Creek, NERA, Press Release
  • November 20, 2025 POS Millercreek 07 1500X844 Web
    2025-11-21

    Miller Creek Ribbon-Cutting Ceremony, November 20, 2025

    Ribbon-cutting ceremony holding a blue ribbon outdoors near a wooded area, marking the completion or dedication of a Miller Creek-related project. Burien Mayor Sarah Moore, SeaTac Mayor Mohamed Egal, Fred Felleman, Port of Seattle Chipper Maney. https://seatacnoise.info/miller-creek-culvert-replacement-fish-passage-and-stream-restoration/
    TagsCity of Burien, City Of SeaTac, Miller Creek, Port Of SeattleFolderMiller Creek

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Upcoming Events

  • Part 150 NCP Workshop — Burien
    Add to CalendarMSaturday Oct 17: 10:00am

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.

    [...]
  • Part 150 NCP Workshop — SeaTac
    Add to CalendarMMonday Oct 19: 6:00pm

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.

    [...]
  • Part 150 NCP Workshop — Des Moines
    Add to CalendarMTuesday Oct 20: 6:00pm

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.

    [...]

[See all...]


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.
read more...

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.
continue...

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