Seattle District News Releases

USACE increases flow from Howard A. Hanson Dam following Desimone Levee repairs

Press Operations — Wed, 17 Dec 2025 01:09:29 GMT

Following an emergency repair to the breach at Desimone Levee on Dec. 15, the U.S. Army Corps of Engineers, Seattle District (USACE) will resume normal flood water outflows from Howard A. Hanson Dam.

UPDATE: USACE is Working with King County Officials to Support HESCO Breach

Press Operations — Tue, 16 Dec 2025 13:34:00 GMT

King County officials reported a HESCO breach in Pacific, Washington to the U.S. Army Corps of Engineers Seattle District at approximately 4 a.m. on Dec. 16.

Hiram M. Chittenden Locks closing pedestrian gates to all visitors

Press Operations — Tue, 17 Mar 2020 22:36:00 GMT

Due to the changing environment in regards to the Coronavirus (COVID-19) and aligning with other local government agencies, the Hiram M. Chittenden Locks will be closing all the pedestrian gates to visitors and commuters effective March 17 at 9:00 p.m. This includes the north gate near Northwest 54th street and the south gate near West Commodore Way.