Owyhee Reservoir

Owyhee Reservoir or Owyhee Lake is a reservoir on the Owyhee River in Malheur County, Oregon, United States.^[2] Located in far Eastern Oregon near the Idaho border, the reservoir is Oregon's longest at 52 miles (84 km).^[3] The 13,900-acre (56 km²) lake is home to several species of fish, including crappie, rainbow trout, largemouth bass, smallmouth bass, yellow perch, and brown bullhead.^[4] An artificial lake, it was created in 1932 with the completion of the Owyhee Dam.^[5] The lake supplies water for irrigation for 1,800 farms covering 118,000 acres of land in Eastern Oregon and Southwestern Idaho.^[6] Seasonal Lake Owyhee State Park is located on the northeast shore and includes a boat ramp.^[7][8]

LocationMalheur County, Oregon

Coordinates43°27′41″N 117°20′18″W

Typereservoir

Primary inflows

Owyhee River

Quick facts Location, Coordinates ...

Owyhee Reservoir
Owyhee Reservoir Location within Oregon Show map of Oregon Owyhee Reservoir Location within the United States Show map of the United States
Location	Malheur County, Oregon
Coordinates	43°27′41″N 117°20′18″W
Type	reservoir
Primary inflows	Owyhee River
Primary outflows	Owyhee River
Catchment area	11,160 mi2 (28,900 km2)[1]
Basin countries	United States
First flooded	1932
Max. length	52 mi (84 km)
Surface area	13,900 acres (5,600 ha)[1]
Average depth	81 ft (25 m)[1]
Max. depth	117 ft (36 m)[1]
Water volume	1,122,000 acre⋅ft (1,384,000 dam3)[1]
Residence time	1.7 years[1]
Shore length1	125 mi (201 km)[1]
Surface elevation	2,670 ft (810 m)[1]
Website	www.usbr.gov/pn/hydromet/ramps/owyhee/owyhee.html
1 Shore length is not a well-defined measure.

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