14 Dec 2025

Army Corps regulates water flows to protect downstream communities on the White and Green River Basins

Army Corps' Water Management will reduce outflows from Howard A. Hanson Dam, before the next atmospheric river hits western Washington, Dec. 14-16. Mud Mountain Dam will also reduce outflows within the next 24 hours.

13 Dec 2025

UPDATE: Army Corps Regulates Peak Flow to Mitigate Extensive Flooding in Skagit County

Army Corps regulates peak flow in the Skagit Basin, to manage the impacts of heavy rainfall and mitigate potential flooding in the region.

13 Dec 2025

Army Corps releases water from Howard A. Hanson Dam and Mud Mountain Dam Reservoirs, prepares for predicted rain events

Peak rainfall from recent atmospheric rivers in the Green and White River basins has passed, however, high flow conditions will continue for many days.

13 Dec 2025

Army Corps monitors conditions at Eastside operating projects

U.S. Army Corps of Engineers (USACE), Seattle District, Water Management is monitoring conditions at its eastside operating projects, in response to multiple atmospheric rivers and heavy precipitation impacting the region. 

10 Dec 2025

USACE battles historic flooding, manages five dams to protect communities

U.S. Army Corps of Engineers water managers are conducting 24-hour operations for five dams to reduce downstream flood risk as a series of powerful, back-to-back atmospheric rivers deliver overwhelming rainfall across Western Washington.

10 Dec 2025

UPDATE: Army Corps continues flood fight support in western Washington

U.S. Army Corps of Engineers continues its flood fight support across western Washington, with teams deployed to the Skagit, Snohomish and White River basins, monitoring impacts from high flows, and providing technical support and direct assistance to local and county partners.

8 Dec 2025

Seattle District monitors White River as back-to-back atmospheric rivers threaten flooding

Back-to-back atmospheric rivers are forecasted to hit the Puget Sound and White River Basin within 48 hours. U.S. Army Corps of Engineers and National Weather Service ramp up their monitoring activities, tracking extreme weather conditions and potential flooding on the White River and surrounding riverbank areas.

8 Dec 2025

Army Corps of Engineers assists with local flood fight efforts

USACE's Emergency Operations Center and Reservoir Control Center (RCC) have activated, in response to multiple atmospheric rivers and heavy precipitation impacting the Pacific Northwest.

3 Nov 2025

Army Corps begins dredging at Everett Harbor, Snohomish River, Nov. 4, 2025

Maintenance dredging of the Everett Harbor and Snohomish River, in Snohomish River, Everett, Washington, begins Nov. 4, 2025. Operations will run 24/7 and are expected to be completed Feb. 14, 2026.

1 Oct 2025

UPDATE: USACE Seattle District critical infrastructures open during government shutdown

Critical activities, including maintaining flood control infrastructure, operating hydroelectric dams, and ensuring safe vessel navigation, will continue without interruption. All dams and locks will operate normally, ensuring these vital systems remain safe and stable.