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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.

TagSTCP(148)

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  • Stcp chapter unk pg 2 1 location of public housing retirement residences and convalescent nursing homes

    STCP Map: Locations of Public Housing, Retirement Residences, and Convalescent Nursing Homes in the Sea-Tac Area

    A map from the Sea-Tac Communities Plan (document reference 4.2.2), sponsored by the Port of Seattle and King County, showing numbered locations of 16 public housing, retirement, and convalescent/nursing home facilities in the Sea-Tac area, including King County Housing Authority properties such as Park Lake Homes (545 and 165 units) and private retirement communities such as Kingston Village (335 units) and Wesley Gardens/Wesley Terrace (515 units and rooms).
    TagsHousing, King County, Map, Sea-Tac Communities Plan, STCP
  • Stcp chapter unk pg 2 1 location of public housing retirement residences and convalescent nursing homes 2

    STCP Map: Locations of Public Housing, Retirement Residences, and Convalescent Nursing Homes in the Sea-Tac Area

    This map from the Sea-Tac Communities Plan (document reference 4.2.2, page 2-1) plots 16 numbered locations of public housing sites administered by the King County Housing Authority, private retirement homes/communities, and convalescent/nursing homes with more than 40 beds in the Sea-Tac area. Sponsors listed are the Port of Seattle and King County.
    TagsHousing, King County, Map, Sea-Tac Communities Plan, STCP
  • Stcp chapter 633 pg unknown sources of water quantity problems miller creek basin

    Miller Creek Basin Drainage Sub-Areas Map — Sea-Tac Communities Plan (STCP Section 6.3.3)

    A drainage map from the Sea-Tac Communities Plan, sponsored by the Port of Seattle and King County (document reference 6.3.3, POS 21001), showing the Miller Creek Basin divided into numbered drainage sub-areas with general impervious surface factors (under 20% to 50% or greater) and percentage of total runoff contributions (40%, 28%, 18%, and 14%) for each major zone.
    TagsMap, Miller Creek, Sea-Tac Communities Plan, STCP, Stormwater
  • Stcp chapter 632 pg 4 sources of water quality problems des moines creek

    Sea-Tac Communities Plan — Sources of Water Quality Problems in Des Moines Creek

    A planning map from the Sea-Tac Communities Plan (document number POS 20985, section 6.3.2), sponsored by the Port of Seattle and King County, identifying sources of water quality problems in Des Moines Creek. The map legend distinguishes areas not served by sanitary sewers, areas of possible high chemical application, and unshaded areas along streams, with the Seattle-Tacoma Airport prominently shown.
    TagsDes Moines Creek, Map, Sea-Tac Communities Plan, STCP, Water Quality
  • Stcp chapter 541 pg 3 maximum extent of the vashon ice sheet

    Maximum Extent of the Vashon Ice Sheet over Western Washington

    Map showing the maximum extent of the Vashon glacial ice sheet over western Washington state, including the Puget Lobe, with labeled locations including Seattle, Tacoma, Olympia, Portland, and surrounding peaks. Caption notes the ice was approximately 5,000 feet thick at Seattle and 2,000 feet at Tacoma; modified after E.R. Atrium, Washington State Department of Natural Resources, I.C. 47.
    TagsHistory, Map, Puget Sound, STCP
  • Stcp chapter 431 pg 13 distance and flight times from seattle to major world cities and major us cities

    STCP Chapter 4.3.1 — Bar Charts: Distances and Flight Times from Seattle to Major World Cities and Major US Cities

    Document POS 671 (page 4.3.1/13) contains two bar charts showing distances in statute miles and flight times in hours from Seattle to major world cities (including Berlin, Buenos Aires, Hong Kong, Johannesburg, London, Manila, Melbourne, Mexico City, Moscow, Oslo, Paris, Quebec, Rio de Janeiro, Rome, Tokyo, and Vancouver B.C.) and major U.S. cities (including Atlanta, Anchorage, Chicago, Dallas, Denver, Detroit, Juneau, Los Angeles, Minneapolis, New Orleans, New York, Portland, San Francisco, and Washington D.C.).
    TagsAirport Expansion, Sea-Tac Airport, STCP
  • Stcp chapter 412 pg 5 per capita personal income constant 1967 dollars central puget sound region selected years 1959 1971

    Per Capita Personal Income in Constant 1967 Dollars: Central Puget Sound Region vs. United States, 1959–1971 (STCP Figure 4.1.2)

    A dual-panel chart showing per capita personal income in constant 1967 dollars for the Central Puget Sound Region compared to the United States for selected years 1959–1971. The lower bar chart expresses Puget Sound income as a percentage of the U.S. figure, peaking at 127% in 1962 and declining to 108% by 1971, labeled as figure 4.1.2.
    TagsEconomic Impacts, Puget Sound, Statistics, STCP
  • Stcp chapter 323 pg 2 project management and organization

    Sea-Tac Airport Environmental Study Project Management and Organization Chart

    An organizational chart titled 'project management and organization' showing the hierarchy for a Sea-Tac Airport environmental study, with King County (Council/Executive) and Port of Seattle (Commission/Management) at the top, flowing through a Policy Advisory Committee and Project Director, down to Study Team Managers, and ending with study areas including Noise Studies, Water Studies, Air Quality Studies, Community Attitudes Survey, Airport Solid Waste Study, and Other Environmental and Planning Studies. Document is labeled POS 588, page 3.2.3.
    TagsKing County, Policy Advisory Committee, Port Of Seattle, Sea-Tac Airport, STCP
  • 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, STCP
  • 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, STCP

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  • StART SEA Stakeholder Advisory Round Table
    Add to CalendarMWednesday Aug 26, 5:00pm - 7:00pm
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    START meetingagenda 2026826 final 0 pdf

    Meeting Objectives Introduce the primary feedback themes identified by StART members regarding StART’s Operating Procedures and determine areas that may warrant future discussion. 5:00 PM – Welcome Meeting Management Welcome Lead: Andrés Mantilla, Facilitator, Uncommon Bridges; Wendy Reiter, Airport Managing Director, POS 5:15 PM – Dinner: All participants eat. 5:30 PM – StART Operating Procedures

    [...]
  • Commercial Aviation Work Group
    Add to CalendarMThursday Sep 3, 10:00am - 1:30pm
    Virtual Meeting (Zoom)
    Cawg agenda sep 3 26 virtual pdf

    Meeting Agenda 10:00 a.m. – 10:15 a.m. | Welcome – Evan Nordby, Chair a. Introductions and Agenda Reviewb. Status of appointments and non-voting member invitationsc. Other updates as necessary 10:15 a.m. – 11:00 a.m. | Is it practical and legal to operate the western Washington [Puget Sound] airports as a single airport system? – Consultant

    [...]

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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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