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STNISea-Tac Noise.Info

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  • 2018-10-17

    Amendment No. 1 to Sea-Tac Airport Sustainable Airport Master Plan (SAMP) Review Consultant Agreement — City of Burien as Fiscal Agent

    This contract amendment adds the City of Burien as fiscal agent for a collaborative review of the Sea-Tac International Airport Sustainable Airport Master Plan (SAMP), with Lockridge Grindal Nauen PLLP serving as consultant. The cities of Burien, Des Moines, Normandy Park, and SeaTac are jointly funding the $175,000 engagement, with Burien responsible for processing invoices and payments on behalf of all participating cities. The amendment, effective July 17, 2018, clarifies billing procedures and financial management responsibilities under the interlocal agreement originally signed in March 2018.
    TagsCity of Burien, City Of SeaTac, Interlocal Agreement, Lockridge Grindal Nauen, SAMPFolderPDR26-042 Burien
  • SAMP review consultant agreement and 1st amendment pdf
    2018-10-17

    Amendment No. 1 to Sea-Tac Airport Sustainable Airport Master Plan (SAMP) Review Consultant Agreement — City of Burien as Fiscal Agent

    This contract amendment adds the City of Burien as fiscal agent for a collaborative review of the Sea-Tac International Airport Sustainable Airport Master Plan (SAMP), with Lockridge Grindal Nauen PLLP serving as consultant. The cities of Burien, Des Moines, Normandy Park, and SeaTac are jointly funding the $175,000 engagement, with Burien responsible for processing invoices and payments on behalf of all participating cities. The amendment, effective July 17, 2018, clarifies billing procedures and financial management responsibilities under the interlocal agreement originally signed in March 2018.
    TagsCity of Burien, City Of SeaTac, Interlocal Agreement, Lockridge Grindal Nauen, SAMPFolderPDR26-042 Burien
  • 2018-09-28

    Joint Scoping Comment Letter: Cities of Burien, Des Moines, Normandy Park, and Sea-Tac on SAMP Near-Term Projects NEPA EA and SEPA EIS

    In September 2018, the cities of SeaTac, Burien, Normandy Park, and Des Moines jointly submitted scoping comments on the Port of Seattle's Sustainable Airport Master Plan (SAMP) for Seattle-Tacoma International Airport, raising concerns about the growing impacts of airport expansion on their communities. The cities argued that the environmental review must cover the entire SAMP—not just near-term construction projects—to fully account for cumulative impacts including increased aircraft noise, air emissions, and traffic congestion in nearby residential neighborhoods. They also called for a baseline assessment stretching back to 2012 to capture significant growth that has already occurred without adequate environmental review.
    CategoriesCorrespondence TagsCity of Burien, City Of Des Moines, City of Normandy Park, City Of SeaTac, NEPA, SAMP, SEPAFolderFour City ILA
  • 2018-09-28

    City of SeaTac scoping comments on Sustainable Airport Master Plan near term projects NEPA EA and SEPA EIS

    The City of SeaTac submitted formal scoping comments to the Port of Seattle in September 2018, raising concerns that the environmental review for the Sustainable Airport Master Plan (SAMP) was too narrowly focused on 'near term projects' and should be expanded to cover the airport's full long-term growth vision. The city also reminded the Port of binding commitments made in a 2018 Interlocal Agreement and a 2015 Letter of Understanding, including promises to assess transportation impacts, protect nearby wetlands, and mitigate effects on city streets from increased cargo truck and passenger traffic. Key issues flagged include the impact of new cargo facilities, a proposed employee parking lot near wetlands, and the need to account for public transit use by airport workers and travelers.
    CategoriesCorrespondence TagsCity Of SeaTac, Environmental Impact Statement, NEPA, SAMP, SEPAFolderSeaTac
  • 2018-09-28

    Joint Scoping Comments on Sustainable Airport Master Plan Near-Term Projects NEPA EA and SEPA EIS from Cities of Burien, Des Moines, Normandy Park, and Sea-Tac

    In September 2018, the cities of SeaTac, Burien, Normandy Park, and Des Moines jointly wrote to the Port of Seattle urging a broader environmental review of the Sustainable Airport Master Plan (SAMP) for Seattle-Tacoma International Airport. The cities expressed concern that limiting the review to only near-term construction projects would ignore the cumulative noise, air quality, and traffic impacts already burdening their communities. They called on the Port to assess impacts from 2012 onward, include the full long-term SAMP in the environmental analysis, and consider alternative airport sites as part of the review.
    TagsCity of Burien, City Of SeaTac, NEPA, SAMP, SEPAFolderPDR26-042 Burien
  • Signed SAMP comment letter 09.28.18 pdf
    2018-09-28

    Joint Scoping Comments on Sustainable Airport Master Plan Near-Term Projects NEPA EA and SEPA EIS from Cities of Burien, Des Moines, Normandy Park, and Sea-Tac

    In September 2018, the cities of SeaTac, Burien, Normandy Park, and Des Moines jointly wrote to the Port of Seattle urging a broader environmental review of the Sustainable Airport Master Plan (SAMP) for Seattle-Tacoma International Airport. The cities expressed concern that limiting the review to only near-term construction projects would ignore the cumulative noise, air quality, and traffic impacts already burdening their communities. They called on the Port to assess impacts from 2012 onward, include the full long-term SAMP in the environmental analysis, and consider alternative airport sites as part of the review.
    TagsCity of Burien, City Of SeaTac, NEPA, SAMP, SEPAFolderPDR26-042 Burien
  • 2018-07-01

    Interlocal agreement for the construction of the Puget Sound Gateway Program

    The City of SeaTac entered into an interlocal agreement (Agreement No. 18-A144) with the Washington State Department of Transportation (WSDOT) to provide up to $4,000,000 in local matching funds for the construction of the Puget Sound Gateway Program, specifically the State Route 509 Extension Project. The funding is split into two stages: up to $2,000,000 in real estate and/or cash for the SeaTac Access Local Nexus Project, and up to $2,000,000 in cash toward the South 188th Street Interchange once construction sales tax is received. WSDOT is responsible for designing, constructing, and managing the project, which includes improvements such as interchange ramps and access roads largely within the City of SeaTac.
    TagsCity Of SeaTac, Gateway Project, Interlocal Agreement, SR509, WSDOTFolderSeaTac
  • 2018-01-24

    Highline Forum agenda: Aircraft altitudes

    The Highline Forum held a public meeting on January 24, 2018, hosted by the City of SeaTac, focused on the theme of aircraft altitudes. The agenda included a City of SeaTac update, a presentation on Aircraft Altitudes Analysis by Steve Alverson, Senior Vice President of ESA, and a discussion of emerging issues. The meeting took place at SeaTac City Hall Council Chambers and ran from 2:30 pm to 4:30 pm.
    Tagsaircraft, City Of SeaTac, ESA, Highline Forum, Steve AlversonFolderHighline Forum 2017
  • 2018-01-01

    2018 Interlocal Agreement between City of SeaTac & Port Of Seattle

    The 2018 Interlocal Agreement between the City of SeaTac and the Port of Seattle establishes a cooperative framework governing how Seattle-Tacoma International Airport operates within city boundaries, covering land use, building permits, environmental regulations, transportation, and public safety. The agreement, negotiated throughout 2017, includes provisions for storm water management fees, traffic impact fees, and an annual $1.4 million Port contribution to the City for community relief and public safety services. It also defines roles for environmental review under SEPA, including responsibilities related to noise impacts and aviation hazards affecting neighboring residents and businesses.
    TagsCity Of SeaTac, ILA, Interlocal AgreementFolderSeaTac
  • 2018-01-01

    Grid 2 (2018): Aerial Map of Des Moines / Sea-Tac Area

    This document is an aerial map showing the area surrounding Seattle-Tacoma (Sea-Tac) Airport, covering the cities of Des Moines and SeaTac in Washington State. It highlights key roads and boundaries, including Des Moines Memorial Drive S, S 200th Street, 18th Avenue S, and SR 99, with colored overlays likely indicating noise-impact or study zones near the airport. Runway 34R and Angle Lake are visible landmarks, with the map appearing to delineate jurisdictional or noise-contour boundaries relevant to airport planning and policy.
    TagsCity Of SeaTac, Des Moines, Map, Part 150, Sea-Tac AirportFolder2013

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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...]


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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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