The Dalles Dam - Hydroelectric Project Information

The Dalles Dam image
Image Source: USACE Digital Visual Library

General Information

Dam:
The Dalles Dam. Columbia River. River Mile 191.5
Constructed:
1960 (units 1-14); 1973 additional units 15-22 completed
Owner:
U.S. Army Corps of Engineers, Portland District
Full Pool:
160.0 feet
Minimum Pool:
155.0 feet
Powerhouse Capacity:
Nameplate capacity: 14 @ 78 MW, 8 @ 85.975 MW, 1779.8 MW total
Overload capacity: 14 @ 89 MW, 8 @ 99 MW, 2038 MW total
Fishwater units: 2 @ 13.5 MW, 27 MW total
Stations service units: 2 @ 3 MW, 6 MW total
Hydraulic capacity: 375 kcfs
Spillway:
1380 feet, 23 gates

Additional Information

The Dalles Dam web page. Contact U.S. Army Corps of Engineers, Portland District for all additional information.

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