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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.

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  • 2026 04 21 at 11 18 29 Ejscreen
    2026-02-19

    When Federal environmental maps go dark

    The benefits and consequences for airport communities In January 2025, the Trump administration began removing content from federal websites following Executive Order 14151. The order directed all government agencies to terminate DEI and environmental justice–related programs. These include environmental justice and climate mapping using a nationally consistent dataset for evaluating the socioeconomic impacts of airports.
    CategoriesChange The Culture, News Stories TagsEnvironmental Justice, Executive Orders, Map
  • Ejscreen

    EJScreen Environmental Justice Screening and Mapping Tool (Version 2.3)

    This is an 1unofficial copy of EJScreen hosted by the Public Environmental Data Partners. Some links and text may incorrectly suggest that this site is affiliated with the US Government. The EJScreen Tool was an EPA web application taken down in January of 2025 as part of Executive Order 14151. It was described as “an
    CategoriesFrom The Web TagsEJScreen, Environmental Justice, EPA, Executive Orders, Map
  • End of Block Seapart150 Colored

    GIS Parcel Map — Akinlosotu Short Plat Area Near 10th and 12th Avenue South, Sea-Tac Airport Noise Review

    A GIS map showing residential parcels in the Sea-Tac Airport vicinity, centered on 10th and 12th Avenue South between South 233rd Court and South 235th Place. Green-shaded zones with question mark markers appear to indicate properties under noise impact review or acquisition consideration, bisected by a blue diagonal line likely representing a noise contour or jurisdictional boundary; street addresses and the 'Akinlosotu Short Plat' label are visible.
    TagsLand Use, Map, Noise Mitigation, Part 150, Sea-Tac Airport
  • End of Block Seapart150 Block Color

    GIS Parcel Map with Noise Contour Boundary Near South 234th Place, Sea-Tac/Des Moines Area

    A GIS map showing residential parcels near South 234th Place in the SeaTac/Des Moines area, with a blue diagonal line indicating a noise contour or flight path boundary related to Sea-Tac Airport. Street addresses and parcel numbers are visible, including properties along 10th Avenue South, 12th Avenue South, and South 234th–235th Places, with overlapping green and blue shaded zones likely representing different noise exposure levels. The 'Akinlosotu Short Plat' subdivision is labeled in the upper right area.
    TagsMap, Noise Countour, Part 150, Sea-Tac Airport
  • End of Block Seapart150.Com

    End of Block example from 2032 Part 150

    A GIS map showing residential parcels in the South 234th Place corridor near 10th and 12th Avenue South in Des Moines/SeaTac, Washington, with a blue diagonal line indicating a noise contour or flight path boundary overlaid on the street grid. The shaded (blue) zone to the right of the line likely represents an airport noise impact area associated with Seattle-Tacoma International Airport policy mapping.
    TagsDes Moines, Map, Noise Countour, Part 150, Sea-Tac Airport
  • 2025-09-30

    South King and Port Communities Fund (SKPCF) Environmental Improvement Program (EGP) – Cycle V: Exhibit 1 – Eligibility and Priority Area Map

    This document presents the eligibility and priority area map for Cycle V of the South King and Port Communities Fund (SKPCF) Environmental Improvement Program (EGP), administered by the Port of Seattle. The map outlines the geographic boundaries of communities in South King County — including areas such as Burien, Tukwila, Renton, Des Moines, Kent, and Federal Way — that are eligible for environmental improvement funding, likely related to noise and pollution impacts from Sea-Tac Airport and port operations. Priority zones are visually highlighted to help direct resources toward the most affected neighborhoods within the program's service area.
    TagsDes Moines, Federal Way, Map, Port Of Seattle, South King County Fund
  • 2025-09-30

    South King and Port Communities Fund (SKPCF) Environmental Improvement Program (EGP) – Cycle V: Exhibit 1 – Eligibility and Priority Area Map

    Port of Seattle eligibility and priority area map for the South King and Port Communities Fund (SKPCF) Environmental Improvement Program (EGP) Cycle V. The map depicts the geographic boundaries of the program’s eligible and priority areas across South King County communities including Tukwila, Renton, Burien, Normandy Park, Des Moines, Kent, Federal Way, Boulevard Park, and
    TagsDes Moines, Federal Way, Map, Port Of Seattle, South King County Fund
  • Port Properties and Trees mapped

    Properties, trees and the environment around the airport As the icon indicates, this is a beta project, one of a series of visual representations on community impacts. This indicates Port-owned properties around the airport, most purchased with FAA grants. It also displays the status of trees that are subject to removal and/or replacement via the
    CategoriesResources Tagsbeta, Map
  • Sound Transit Airport Station Map

    Official transit access map for Seattle-Tacoma International Airport showing the SeaTac/Airport Station connection via Skybridge 6 at Parking Garage Level 4. The map depicts the pedestrian route along S 176th Street and International Blvd, with marked locations for Link Station, bus stops, pick-up zones, ORCA ticket machines, and elevators.
    TagsMap, non-aviation transportation, Sea-Tac Airport, Sound Transit
  • Port Properties and Trees GIS

    A map centered on Seattle-Tacoma International Airport (Sea-Tac) showing clusters of red circles and green dots overlaid on the airport and surrounding communities including Burien, SeaTac, Tukwila, and Normandy Park. The blue outlined polygon appears to delineate a municipal or study boundary, and the red/green markers likely represent noise complaint locations or flight track data points used in airport noise policy analysis.
    TagsMap, Port Of Seattle, Sea-Tac Airport, Trees

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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

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    Add to CalendarMThursday Sep 3, 10:00am - 1:30pm
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    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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    "EXH 388: Declaration Amanda Azous Supporting ACC Motion for Stay PCHB No. 01-133, Section 401 Certification No. 1996-4-02325" — , 2001

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