Robert S. Kerr Reservoir

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Robert S. Kerr Reservoir
Aerial view, ca. 2.8 miles upriver from the lock and dam
Location	Oklahoma
Coordinates	35°21′02″N 94°51′10″W / 35.35056, -94.85278Coordinates: 35°21′02″N 94°51′10″W / 35.35056, -94.85278
Lake type	reservoir
Primary inflows	Arkansas River
Primary outflows	Arkansas River
Catchment area	147,756 sq mi (382,686 km²)
Basin countries	United States
Surface area	43,000 acres (174 km²)
Average depth	11.75 ft (3.6 m) (mean) 52 ft (15.8 m) (maximum)
Water volume	525,700 acre-feet (648,445,000 m³)
Shore length¹	250 mi (402 km)
Surface elevation	478 ft (146 m) (normal pool)
¹ Shore length is not a well-defined measure.

Aerial view of Robert S. Kerr Lock and Dam, impounding Robert S. Kerr Reservoir on the Arkansas River

Robert S. Kerr Reservoir is located on the Arkansas River in Sequoyah, Le Flore, Haskell, and Muskogee Counties in the state of Oklahoma, USA. The reservoir is impounded by Robert S. Kerr Lock and Dam at river mile 336.2 (km 541.1) on the Arkansas River, just a few miles below its confluence with the Canadian River. The lock and dam are part of the McClellan-Kerr Arkansas River Navigation System, which provides for barge navigation on the Arkansas River and some of its tributaries. The U.S. Army Corps of Engineers maintains the locks and navigation system.

The lock and dam were constructed by the Corps of Engineers and completed in 1970 at a cost of $94.566 million ($501 million in 2007 dollars).^[1] The dam also contains a small hydroelectric power plant with four units capable of producing a combined total of 110 megawatts.

The lake and surrounds are popular destinations for boating, fishing and hunting.

The lock, dam, and reservoir are named after Robert S. Kerr, former governor of Oklahoma and U.S. senator from Oklahoma, who died in 1963.