TagSea-Tac Airport(1835)

Researchers from the University of Washington studied ultrafine particles (UFPs) — tiny airborne pollutants less than 100 nanometers in diameter — near Seattle-Tacoma International Airport. Their findings highlight that jet aircraft engines produce exceptionally small particles (under 30 nanometers), while diesel vehicles also contribute elevated UFP levels within about 200 meters of major roads. Although UFPs are currently unregulated, a growing body of scientific evidence suggests they pose significant health risks to nearby communities.

The Port of Seattle filed a quarterly Leasehold Tax Return with the Washington State Department of Revenue for the period ending March 31, 2019, reporting a total tax due of $4,021,409.82. The filing covers leased properties across multiple locations, including SeaTac Airport (the largest contributor at over $2 million in tax), Seattle Waterfront, Des Moines, and Burien, all taxed at a rate of 12.84%. Payment of the full amount was submitted via ACH debit from a Wells Fargo account on April 30, 2019.

This document is a Washington State Combined Excise Tax Return filed by the Port of Seattle for Seattle-Tacoma International Airport, covering the period ending March 31, 2019, with a due date of April 25, 2019. It details Business & Occupation taxes, state and local sales and use taxes, and public utility taxes across multiple classifications, resulting in a total tax amount of $1,070,053.90. The return was prepared by Bonnie McArthur and submitted on April 16, 2019, with payment scheduled via ACH debit.

A presentation by Port of Seattle staff to the Washington State Transportation Commission providing an update on Sea-Tac Airport capital development projects. The presentation covers regional economic growth driving airport demand and includes discussion of the Sustainable Airport Master Plan near-term projects and environmental review processes.

The Burien Airport Committee met on March 19, 2019 to discuss concerns about Sea-Tac Airport's impact on the surrounding community, including noise pollution, safety, and health effects. The agenda included updates on federal and regional aviation policy efforts, and a review of three resolutions adopted by the Burien City Council on January 28, 2019, addressing airport growth, noise pollution, and requests for health impact monitoring. The committee also discussed priorities for 2019 and how to advance action on these resolutions at the local, state, and federal levels.

In March 2019, the Washington State Department of Commerce issued a $500,000 Request for Proposal (RFP) to study the impacts of growing operations at Seattle-Tacoma International Airport on surrounding communities. The study, mandated by the state Legislature, was set to examine issues including air traffic noise, public health, traffic congestion, property values, and economic development in nearby cities such as Burien, Des Moines, SeaTac, and Tukwila. The effort was prompted by Sea-Tac's rapid growth — reaching 50 million passengers in 2018, far exceeding the 30 million projected for 2030 — and aimed to help local leaders and lawmakers identify ways to mitigate negative impacts.

The Late-Night Noise Limitation Program is a voluntary Port of Seattle initiative that monitors aircraft noise at Sea-Tac Airport between 12 a.m. and 5 a.m., using four close-in noise monitors to track takeoffs and landings that exceed established thresholds. Airlines that violate these thresholds receive penalty scores under the Port's Fly Quiet Incentive Program, which has evaluated airline noise compliance since 2005. The program, developed in 2019 as an outcome of the Sea-Tac Stakeholder Advisory Round Table (StART), aims to encourage air carriers to schedule flights during less noise-sensitive hours or switch to quieter aircraft.

This document is a Washington State Combined Excise Tax Return filed by the Port of Seattle for Seattle-Tacoma International Airport, covering the period ending February 28, 2019, with a due date of March 25, 2019. It details Business & Occupation taxes, state and local sales and use taxes, and public utility taxes across various classifications, totaling $995,857.83 in tax before a $46,219.67 Commute Trip Reduction Credit was applied. The final payment of $949,638.16 was submitted via ACH Debit on March 19, 2019, by Port of Seattle staff member Bonnie McArthur.

On February 15, 2019, the Washington State Department of Commerce held a pre-proposal conference for a study examining the current and ongoing effects of Seattle-Tacoma International Airport's operations on surrounding communities, as directed by Engrossed Substitute Senate Bill 6032. The conference outlined the project's objectives, scope of work, timeline, and proposal requirements for prospective contractors. The study was part of a broader state effort to understand how airport operations impact local neighborhoods, housing, and community well-being.

This February 2019 Scoping Report documents the public and agency input process for the environmental review of Seattle-Tacoma International Airport's near-term construction projects, planned for completion by 2027 under the Sustainable Airport Master Plan (SAMP). The Port of Seattle and the FAA conducted a 60-day public scoping period from July 30 to September 28, 2018, gathering community concerns about potential environmental impacts through meetings, mailings, and online outreach in five languages. The report compiles scoping comments, meeting materials, and agency responses to inform the forthcoming environmental review under both federal (NEPA) and state (SEPA) law.