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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.

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  • Stcp chapter 321 pg unknown study area and airport vicinity planning areas

    Sea-Tac Communities Plan Study Area and Airport Vicinity Planning Areas Map

    Cover page of the Sea-Tac Communities Plan document (map sheet 3.2.1, page 4), jointly sponsored by the Port of Seattle and King County, showing a topographic base map of the Sea-Tac area with red-outlined rectangles delineating the study area and airport vicinity planning zones around Seattle-Tacoma International Airport. The document is catalogued as POS 20753.
    TagsKing County, Map, Port Of Seattle, Sea-Tac Airport, Sea-Tac Communities PlanFoldermaps
  • Stcp chapter 6 pg 36 west acquisition area present situation

    Sea-Tac Airport West Acquisition Area Present Situation Planning Map

    This planning map, sponsored by the Port of Seattle and King County, depicts the West Acquisition Area adjacent to Seattle-Tacoma International Airport, showing current airport lands, acquisition area boundaries, streams, wetlands, heavy vegetation, and residential structures. Key features labeled include Walker Creek, Des Moines Way South, 12th Ave S, S. 170th St, S. 176th St, S. 188th St, Taxiway C, the North Airport Freeway, the Passenger Terminal Area, and the Cargo and Maintenance area.
    TagsKing County, Map, Port Of Seattle, Sea-Tac Airport, STCPFolderChapter 6.6.5
  • Stcp chapter 6 pg 25 south reinforcement area program application

    Sea-Tac Communities Plan Chapter 6 — South Reinforcement Area Program Application Map

    A planning map from the Sea-Tac Communities Plan, sponsored by the Port of Seattle and King County, depicting the South Reinforcement Area program application including the Southwest Conversion Area, Woodside School, and Manhattan Elementary. The legend identifies land-use and noise-mitigation categories including current airport lands, acquisition zones, purchase guarantee areas, cost-sharing insulation, and grid cells defined by noise criteria (e.g., N-17).
    TagsKing County, Map, Noise Mitigation, Sea-Tac Communities Plan, STCPFoldermaps
  • Stcp chapter 6 pg 12 sea tac communities plan

    Sea-Tac Communities Plan Chapter 6 Page 12 — North Conversion Area Map

    This is page 12 (document reference 6.6.4, POS 21178) of the Sea-Tac Communities Plan, co-sponsored by the Port of Seattle and King County. The map depicts the North Conversion Area near Seattle-Tacoma International Airport, showing current airport lands, grid cells subject to noise-criteria program application, conversion area boundaries, key circulation features, the Ferrucci Addition, a postal facility, Riverton Heights Elementary, S. 152nd and S. 154th Streets, 24th Ave S., 32nd Ave S., Pacific Highway South (SR 99), the North Airport Freeway, and SR 518.
    TagsKing County, Map, Port Of Seattle, Sea-Tac Airport, Sea-Tac Communities PlanFoldermaps
  • Stcp chapter 6 pg 6 sources of water quantity problems des moines creek

    Sea-Tac Communities Plan: Des Moines Creek Drainage Sub-Areas and Runoff Sources

    A planning map from the Sea-Tac Communities Plan (document POS 21002, section 6.3.3) showing drainage sub-areas for Des Moines Creek, with impervious surface factors ranging from under 20% to 50% or greater, and annotating that 80% of total runoff originates from the northern sub-areas and 20% from the southern sub-areas. Sponsored by the Port of Seattle and King County.
    TagsDes Moines Creek, King County, Map, Sea-Tac Communities Plan, StormwaterFoldermaps
  • Stcp chapter 6 pg 9 north reinforcement area program application 1

    Sea-Tac Communities Plan: North Reinforcement Area Program Application

    This planning map, document number 6.6.5, is from the Sea-Tac Communities Plan sponsored by the Port of Seattle and King County. It depicts the North Reinforcement Area program application, showing grid-cell zones color-coded by noise mitigation category—including acquisition, purchase guarantee, cost-sharing insulation, and limited cost-sharing insulation—for the residential area surrounding Seattle-Tacoma International Airport, with landmarks such as Cedarhurst Elementary, Boulevard Park Elementary, Hilltop Elementary, Glacier High, and Sunset Junior High visible.
    TagsKing County, Map, Noise Mitigation, Port Of Seattle, Sea-Tac Communities PlanFolderChapter 6.6.5
  • Ecylogo news card 630
    2026-05-12

    State penalizes four organizations over $19,000 for fuel tank back fees at King County International Airport

      Department of Ecology News Release – May 13, 2026 SEATTLE  – After failing to pay a decade’s worth of back fees related to their underground storage tanks supplying King County International Airport – Boeing Field, Signature Aviation, Shultz, Inc., Sky Services, and King County have been penalized $19,681 by the Washington Department of Ecology. The
    CategoriesFrom The Web TagsAviation Fuel, Environment, KCIA, King County, pollution
  • 2026-04-13

    KCIA Roundtable Advisory Committee

    Meeting Objectives • Confirm topic priorities for 2026 Roundtable meetings • Discuss the Vision 2025 Preferred Alternative Concept Agenda 5:00 PM – Welcome (Ali Lee) 5:02 PM – Roll Call (Ayako Shapiro) 5:03 PM – Approve March Meeting Minutes (Ali Lee) 5:05 PM – Prioritization Exercise (Jenny Thacker) Topics identified during Feb 10th Ad Hoc
    CategoriesEvents TagsAirport Committees, King County, NEPA
  • 2026-01-06

    King County Department of Community & Environmental Development Parks Division: Neighborhood Park Site Selection and Activities Preference Questionnaire

    A King County Parks Division questionnaire sent to residents seeking input on the selection and development of a new neighborhood park, funded by the 1968 Forward Thrust bond issue with a budget of $70,000 per site. Residents were asked to rank preferred park activities such as pathways, sandboxes, nature trails, and play areas, as well as future recreational facilities like baseball fields and tennis courts. The form also invited residents to volunteer for a citizen's advisory committee involved in the park planning process.
    TagsAdvisory Committees, community development, community engagement, King County, ParksFolderKing County
  • 2026-01-06

    Letter from Virginia Lane Regarding Zoning Non-Compliance at Glendale and Glacier Schools

    A community member raises concerns about zoning non-compliance at closed Highline School District schools, including Glendale and Glacier, noting that the County was aware of violations as early as a July 18th letter. The document questions whether proper permitting processes were followed before tenants moved into Glacier, and references a list of non-compliant businesses in the Highline vicinity submitted to King County zoning officials. The author expresses broader concern about lack of transparency and accountability among county officials and the school district, and worries that a two-year lease at Glacier could set a long-term precedent.
    CategoriesCorrespondence Tagscommunity engagement, Highline Schools, King County, Land UseFolderHighline School District

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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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