Final rule · 2025-10429

Security Zone; Potomac River and Anacostia River, and Adjacent Waters; Washington, DC

The Coast Guard will enforce a security zone along the Potomac River and Anacostia River, and adjacent waters at Washington, DC, for activities associated with the Army's 250th Anniversary celebration. This action, which updates the enforcement period, is necessary to protect government officials, mitigate potential terrorist acts and incidents, and enhance public and maritime safety and security immediately before, during, and after this activity. During the enforcement period, entry into or remaining within the zone is prohibited unless authorized by the Captain of the Port or his designated representative.