Oregon
Big Cliff: N. Fork Santiam River, OR
The North Santiam canyon is rocky, narrow, and steep where Big Cliff Dam was constructed. For that reason, Big Cliff is a concrete dam, rather than an earth and rockfill embankment structure, like most Corps dams in the…
The Dalles: Columbia River, OR/WA
The Dalles Lock and Dam is 192 miles upriver from the mouth of the Columbia River and two miles east of the city of The Dalles, Ore. The project consists of a navigation lock, spillway, powerhouse and fish passage facilities.
McNary: Columbia River, OR/WA
McNary Dam is a 1.4-mile (2.2-km) long concrete gravity run-of-the-river dam which spans the Columbia River. It joins Umatilla County, Oregon with Benton County, Washington, 292 miles (470 km) upriver from the mouth of the Columbia at Astoria, Oregon.
John Day: Columbia River, OR/WA
Construction of John Day Lock and Dam was completed in 1971. The authorized primary project purposes are navigation and power generation. The project consists of a navigation lock, spillway, powerhouse and fish passage facilities. Various recreational facilities are…
Bonneville: Columbia River, OR/WA
Bonneville Lock and Dam Project is located 145 river miles from the mouth of the Columbia River and about 40 miles east of Portland, Oregon, near Cascade Locks, Ore., and North Bonneville, Wash.