Dry Falls Dam
|Dry Falls Dam|
|Location||Grant County, Washington, USA|
|Operator(s)||United States Bureau of Reclamation|
|Dam and spillways|
|Height||123 feet (37 m)|
|Length||9,800 feet (2,990 m)|
|Width (base)||480 feet (150 m)|
|Total capacity||1,275,000 acre feet (1.573 km3)|
|Catchment area||278.3 square miles (721 km2)|
|Surface area||27,000 acres (109 km2)|
Dry Falls Dam is a rockfaced earthfill-type dam in the U.S. state of Washington. Located in Grant County near Coulee City, it was built as part of the Bureau of Reclamation's Columbia Basin Project. Water from the Columbia River, impounded by Grand Coulee Dam, is pumped into Grand Coulee, a formerly dry canyon, via the short Feeder Canal. Grand Coulee's north end is sealed by North Dam and Dry Falls Dam stretches across the midsection of the Coulee. This allows the water pumped from the Columbia River to fill the upper Grand Coulee, creating a large equalizing reservoir known as Banks Lake. Water from the reservoir is fed into the irrigation project's Main Canal, which runs south from Dry Falls Dam to another reservoir called Billy Clapp Lake, formed by Pinto Dam.
- U.S. Geological Survey Geographic Names Information System: Dry Falls Dam
- United States Bureau of Reclamation (2012-05-17). "Dry Falls Dam: General". Retrieved 2015-01-23.
- The Story of the Columbia Basin Project. Washington D.C.: United States Government Printing Office. 1964. p. 59.
- United States Bureau of Reclamation (2012-05-17). "Dry Falls Dam: Hydraulics and Hydrology". Retrieved 2015-01-23.
- Columbia Basin Project, Bureau of Reclamation
- Dry Falls Dam, Bureau of Reclamation
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