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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 Des Moines(153)

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  • 2025-09-08

    City of Des Moines letter opposing DNS for SEA Flight Corridor Management Program

    The City of Des Moines, Washington, formally requests that the Port of Seattle reject the Determination of Non-Significance (DNS) for the Sea-Tac Airport Flight Corridor Management Program, arguing that it fails to adequately assess impacts on the city's tree canopy and urban forest. City Manager Katherine Caffrey urges the Port to instead conduct a full Environmental Impact Statement (EIS) examining tree removal, urban heat, air quality, stormwater, and habitat effects. The letter emphasizes that Des Moines residents already face disproportionate noise and health burdens from airport traffic, making tree canopy preservation especially critical to their wellbeing.
    TagsCity Of Des Moines, Environmental Impact Statement, Port Of Seattle, SEPA, Trees
  • 2025-09-08

    City of Des Moines letter opposing DNS for SEA Flight Corridor Management Program

    The City of Des Moines, Washington, formally requests that the Port of Seattle reject the Determination of Non-Significance (DNS) for the Sea-Tac Airport Flight Corridor Management Program, arguing that it fails to adequately assess impacts on the city's tree canopy and urban forest. City Manager Katherine Caffrey urges the Port to instead conduct a full Environmental Impact Statement (EIS) examining tree removal, urban heat, air quality, stormwater, and habitat effects. The letter emphasizes that Des Moines residents already face disproportionate noise and health burdens from airport traffic, making tree canopy preservation especially critical to their wellbeing.
    TagsCity Of Des Moines, Environmental Impact Statement, Port Of Seattle, SEPA, Trees
  • 2025-09-02

    Des Moines City Council (aviation committee)

    A group of seven board members seated at a curved dais during what appears to be a public board meeting. Visible name placards include Traci Buxton, JC Harris, Matt Mahoney, and others, but the specific organization or meeting date cannot be confirmed from the image alone.
    TagsAviation Committees, city council, City Of Des Moines, Des Moines
  • 2025-05-08

    Des Moines City Council gets update on closed StART meeting

    There’s no consensus on consensus At their May 8, 2025 meeting, the Des Moines City Council heard a briefing from the City Manager and one Stakeholder Advisory Roundtable (StART) community member regarding the April 23 closed StART meeting – the first meeting closed to the public since 2019 after three cities temporarily left the group.
    CategoriesMeetings TagsCity Of Des Moines, StART
  • 2025-04-17

    2025-2026 Port of Seattle Economic Development City Partnership Application & Instructions

    The Port of Seattle's 2025-2026 Economic Development City Partnership Program provides cooperative funding to King County cities to support local economic growth, job creation, and business diversity initiatives. Eligible cities can receive annual awards ranging from $10,000 to $60,000 based on population, with a 50% match requirement from city funds or in-kind resources. Funded projects may include business attraction campaigns, workforce development, small business technical assistance, tourism promotion, and export trade support tied to Port facilities such as SEA Airport and cruise terminals.
    TagsCity Of Des Moines, Economic Development Division, Port Of Seattle
  • 2025-03-29

    Des Moines City Council punts on restoring sound code

    City describes aircraft noise as a nuisance Read machine-generated transcript At its March 27, 2025 Economic Development Committee meeting, Des Moines councilmembers declined to recommend that the City hire a consultant to re-establish a sound code to mitigate aircraft noise. Originally, the FAA and Port of Seattle provided free insulation for thousands of existing homes
    CategoriesNews Stories TagsCity Of Des Moines, Sound Insulation
  • 2025-03-27

    Des Moines Economic Development Committee March 27, 2025 (Sound Code)

    TagsCity Of Des Moines, Des Moines, EDC
  • 2025-03-27

    Des Moines City Council Economic Development Committee agenda and draft minutes, March 27, 2025

    The Des Moines, Washington City Council Economic Development Committee held a meeting on March 27, 2025, which included a discussion on updating the city's Sound Transmission Code, a topic that had been postponed from the previous February 27 meeting due to time constraints. The agenda also covered short-term rental regulations, a long-range financial plan, and development impact analysis. While the sound code discussion is relevant to ongoing concerns about noise transmission in the area near Sea-Tac Airport, no specific policy decisions or recommendations are recorded in these meeting documents.
    Tagscity council, City Of Des Moines, community development, Economic Development Division, ordinances
  • 2025-03-27

    Des Moines City Council Economic Development Committee agenda and draft minutes, March 27, 2025

    The Des Moines, Washington City Council Economic Development Committee held a meeting on March 27, 2025, which included a discussion on updating the city's Sound Transmission Code, a topic that had been postponed from the previous February 27 meeting due to time constraints. The agenda also covered short-term rental regulations, a long-range financial plan, and development impact analysis. While the sound code discussion is relevant to ongoing concerns about noise transmission in the area near Sea-Tac Airport, no specific policy decisions or recommendations are recorded in these meeting documents.
    Tagscity council, City Of Des Moines, community development, Economic Development Division, ordinances
  • 2025-03-27

    Des Moines City Council Economic Development Committee Agenda — March 27, 2025

    Agenda for the Des Moines, Washington City Council Economic Development Committee meeting held Thursday, March 27, 2025 at 5:00 PM in City Council Chambers, 21630 11th Avenue S, Suite C. Items include approval of February 27, 2025 minutes, a Sound Code discussion, Short Term Rental discussion (Draft Ordinance 25-001), and a Long-Range Financial Plan and Development Impact Analysis.
    TagsCity Of Des Moines, committee meeting, Des Moines, Economic Development Division

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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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