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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.

TagConstruction(144)

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  • 2001-06-22

    Aerial View of Grading and Earthwork Construction Site Near Sea-Tac Airport

    Aerial photograph showing an active grading and earthwork construction site near what appears to be Seattle-Tacoma International Airport, identifiable by the runway infrastructure and terminal buildings visible in the background. The foreground shows heavy equipment, retention ponds, cleared land, and nearby wetlands or river habitat, consistent with airport-adjacent development or mitigation work.
    TagsAirport Expansion, Construction, Sea-Tac AirportFolderWatershed Aerial Photos
  • 2001-06-22

    Aerial View of Industrial Gravel Storage Yard Near Sea-Tac Airport Highway Interchange

    Aerial photograph showing a gravel yard with rows of stored equipment or materials, adjacent roadways, utility transmission towers on the left, and surrounding vegetation. The site appears to be an industrial staging or storage area near a highway interchange, consistent with construction or infrastructure operations in the Sea-Tac Airport vicinity.
    TagsAirport Expansion, Construction, Sea-Tac AirportFolderWatershed Aerial Photos
  • 2001-06-22

    Aerial View of Sea-Tac Airport Cargo Facility Construction with Stormwater Retention Ponds

    Aerial photograph showing a large white-roofed cargo or maintenance building adjacent to airport taxiways, with two elongated stormwater retention/detention ponds visible. Construction activity and heavy equipment are visible on the west side of the facility, and a busy multi-lane road intersection is visible to the east.
    TagsCargo, Construction, Sea-Tac Airport, StormwaterFolderWatershed Aerial Photos
  • 2001-06-22

    Aerial View of Large-Scale Earthmoving and Grading Operations Near Residential Properties

    Aerial photograph showing large-scale earthmoving and grading operations on an expansive cleared site, with what appears to be sedimentation or detention basins visible at left, heavy equipment in operation, and residential properties and tree lines bordering the construction zone. A highway or arterial road runs along the left edge of the frame.
    TagsAirport Expansion, Construction, Sea-Tac Airport, SR509FolderWatershed Aerial Photos
  • 2001-06-22

    Aerial View of Retention Pond Construction Near Sea-Tac Airport Runway

    Aerial photograph showing a retention or settling pond under construction near an airport runway, with associated site infrastructure including what appears to be a treatment facility or staging area to the left. The airport runway, taxiways, and terminal buildings are visible in the background, consistent with Sea-Tac Airport environs.
    TagsConstruction, Sea-Tac Airport, StormwaterFolderWatershed Aerial Photos
  • 2001-06-22

    Aerial View of Highway Interchange Construction with Overpass Bridge and Excavation Equipment

    Aerial photograph showing an overpass bridge crossing a multi-lane highway, with active construction visible including excavation equipment, earthwork, and staging areas on the northeast quadrant of the interchange. Surrounding area includes residential neighborhoods and dense tree cover, consistent with the Pacific Northwest region.
    TagsAirport Expansion, Construction, SR509FolderWatershed Aerial Photos
  • 2001-06-22

    Aerial View of Sea-Tac Airport Runway, Construction Site, and Wetland Pond

    Aerial photograph showing an airport runway and apron area in the upper left, with a large active grading/construction site in the lower left and a wetland pond in the lower right. The surrounding landscape includes green parkland, tree lines, and suburban development in the background, consistent with the Sea-Tac Airport vicinity in the Pacific Northwest.
    TagsAirport Expansion, Construction, Sea-Tac AirportFolderWatershed Aerial Photos
  • 2001-06-22

    Aerial View of Gravel Staging Yard Near Sea-Tac Airport Runway

    Aerial photograph showing a gravel staging or storage yard with rows of materials or equipment, dirt access roads, dense tree cover, and what appears to be airport runway infrastructure visible in the upper left background. A power transmission structure is visible on the left edge, and several vehicles and trailers are present on the site.
    TagsAirport Expansion, Construction, Sea-Tac AirportFolderWatershed Aerial Photos
  • 2001-06-22

    Aerial View of Retention Pond Construction Adjacent to Sea-Tac Airport Runway

    Aerial photograph showing a large retention/sedimentation pond under construction adjacent to an airport runway and taxiway, with active earthmoving equipment visible. A major road intersection, commercial warehouses, and parking areas are visible in the foreground, consistent with the industrial corridor south of a major commercial airport.
    TagsAirport Expansion, Construction, Sea-Tac Airport, StormwaterFolderWatershed Aerial Photos
  • 2001-06-22

    Aerial View of Ground Clearing and Grading Operations Near Sea-Tac Airport Runway

    Aerial photograph showing large-scale ground clearing and grading operations adjacent to what appears to be an airport runway or taxiway area in the upper portion of the frame. A residential neighborhood, road intersection, and what may be a water treatment or detention facility are visible in the foreground, with heavy construction equipment scattered across the disturbed soil areas.
    TagsAirport Expansion, Construction, Sea-Tac Airport, SR509FolderWatershed Aerial Photos

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Upcoming Events

  • Stay Grounded Event: Night trains, not night planes!
    Add to CalendarMSunday Sep 13: 12:00am
    Ntnnp social media3

    For the past two years, more than 220 initiatives from 15 countries have declared September 13th as the International day for the ban of night flights at airports. In parallel, activists across Europe have been gathering for pyjama parties for night trains – coordinated in 2024 and 2025 by Back on Track and Stay Grounded.

    [...]
  • Burien Airport Committee Meeting September 15, 2026
    Add to CalendarMTuesday Sep 15: 6:00pm
    400 SW 152nd St, Burien, WA 98166
    Burien airport committee 15 sep 2026 agenda pdf pdf

    a) Part 150 Noise Study (Emily Inlow-Hood) — 15 minutes
    b) SAMP Update and Next Steps (Brian Davis and Sarah Moore) — 15 minutes
    c) Legislative Updates — 10 minutes
       • SCA (Sarah Moore)
       • Work with Sen. Orwall (Brian Davis)
    d) StART Reorganization (Jeff Harbaugh and Karen Veloria) — 10 minutes

    [...]

[See all...]


Help study childhood asthma. Get free HEPA filter!

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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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    "Sea-Tac Airport Capital Funding Breakdown 2025–2029 — Draft Plan of Finance (Page 21)" — , 2024

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