The lower half of a fish ladder at Bonneville Lock & Dam in Cascade Locks remains unchanged as upgrades focus on the upper section. A new $8 million project at the Bonneville Lock & Dam aims to make ...
Water flows through rapids Wednesday, Sept. 24, at the Pinicon Ridge Park Dam in Central City. The low-head dam, built in 1967, was modified in 2023 to reduce the swirling water effect that increases ...
A new $8 million project at the Bonneville Lock & Dam aims to make it easier for Pacific lamprey to migrate along the Columbia River. The project, currently under construction on the Washington side ...
BONNEVILLE DAM — The U.S. Army Corps of Engineers is gutting and rebuilding a large section of Bonneville Dam’s fish ladder to make it easier for Pacific lamprey to pass the dam as they return from ...