Hydroelectric Information for Columbia and Snake River Projects

---

---

Go to General Information Project Web Sites Project Photos Hydro Related Web Sites Help

Dworshak Dam - General Information

Image Source: USACE Digital Visual Library

Dam: Dworshak Dam. North Fork Clearwater River. River Mile 1.9

Constructed: 1973 (units 1-3, skeleton bays 4-6); units 5 and 6 deauthorized in 1990, unit 4 deauthorized in 1995

Owner: U.S. Army Corps of Engineers, Walla Walla District

Normal Operating Pool ¹: 1445.0-1600.0 feet

Maximum Pool ¹: 1604.9 feet

Powerhouse Capacity:

Nameplate capacity: 2 @ 90 MW, 1 @ 220 MW, 400 MW total

Continuous overload capacity: 2 @ 103.5 MW, 1 @ 253 MW, 460 MW total

Hydraulic capacity: 10.5 kcfs

• Visitor Information: see Dworshak Dam Visitor Center page, USACE Walla Walla District
• USACE Walla Walla District for information, history and color photo (562K).
• USACE Walla Walla District for Pertinent Data (including stats on cost, reservoir, spillway, and powerplant).
• USACE Hydroelectric Design Center for detailed hydroplant (pdf) information.