Thief Valley Reservoir

Thief Valley Reservoir is a large reservoir on the Powder River in Eastern Oregon, United States. Primarily used for irrigation purposes, it lies at an elevation of approximately 3,000 feet (910 m), covers an area of 740 acres (300 ha), and impounds 17,600 acre-feet (21,700,000 m³). It provides good angling opportunities for rainbow trout in years of high water.

Thief Valley Reservoir
Satellite image
Thief Valley Reservoir Show map of Oregon Thief Valley Reservoir Show map of the United States
Location	Baker / Union counties, Eastern Oregon, United States
Coordinates	45°01′32″N 117°47′57″W[1]
Type	Reservoir
Primary inflows	Powder River
Primary outflows	Powder River
Basin countries	United States
Managing agency	United States Bureau of Reclamation
Built	1932
Surface area	740 acres (300 ha)
Water volume	17,600 acre⋅ft (21,700,000 m3)
Surface elevation	c. 3,000 ft (910 m)

The reservoir was created in 1932 by the Thief Valley Dam, a project of the United States Bureau of Reclamation. The dam is a concrete-slab-and-buttress Ambursen structure, 73 feet (22 m) high and 390 feet (120 m) long.^[2] The dam was designed by Frank A. Banks.^[3]

See also

• List of lakes in Oregon