Army Corps Launches $36M Effort to Raise Sediment Dam After Mount St. Helens Erosion Impacts Cowlitz County
The U.S. Army Corps has awarded a $35.9 million contract to raise the Mount St. Helens Sediment Retention Structure by 10 feet—aimed at reducing flood risk and river clogging in Cowlitz County, with construction anticipated from summer 2026 through October 2027.
