The Port of Seattle completed a Draft Environmental Assessment for the Sustainable Airport Master Plan Near-Term Projects, evaluating potential impacts across 15 categories including noise, air quality, and water resources. The assessment found that surface transportation impacts are significant but can be mitigated, while other identified impacts remain within regulatory and human health standards. A 45-day public comment period ran from October 21 to December 5, 2024, with public meetings held in SeaTac, Burien, and Des Moines, and a final decision document expected by mid-2025.Open full document
Notes
This Commission agenda memorandum briefing covers the Draft NEPA Environmental Assessment findings for the Sustainable Airport Master Plan (SAMP) Near-Term Projects, which evaluates fifteen environmental resource categories as required by the FAA. The Draft EA identified significant impacts to surface transportation that can be mitigated, and outlines a 45-day public comment period from October 21 to December 5, 2024, with public meetings in SeaTac, Burien, and Des Moines. The final NEPA EA is expected in mid-2025, followed by the State Environmental Policy Act (SEPA) process.