Expansion and Modernization of Base Seattle

Final Programmatic Environmental Impact Statement for the Expansion and Modernization of Base Seattle

This is a waiting-period extension notice for the Final Programmatic Environmental Impact Statement for the Expansion and Modernization of Base Seattle, led by the U.S. Coast Guard. The Final PEIS Notice of Availability was published November 15, 2024, starting a 30-day waiting period that would have closed December 16, 2024. The Coast Guard extended the period to January 10, 2025, citing project complexity and multiple federal holidays. No Record of Decision will issue before that date. Substantive impact analysis is in the underlying Final PEIS, not this procedural notice.

Final Programmatic Environmental Impact Statement for the Expansion and Modernization of Base Seattle

The U.S. Coast Guard announces availability of the Final Programmatic Environmental Impact Statement (PEIS) for the Expansion and Modernization of Base Seattle, the largest Coast Guard installation in the Pacific Northwest. The PEIS analyzes four alternatives (three action alternatives and No Action) for land acquisition, facility modernization, and infrastructure upgrades at Base Seattle to support Pacific Northwest and Arctic missions. Alternative 1, involving acquisition of 27 to 54 acres at Terminal 46 with two existing berths, is the preferred alternative. Significant impacts are identified for land use, socioeconomics, and cultural resources. A Record of Decision will follow a 30-day waiting period after EPA publishes its Notice of Availability.