Lake Atoka Reservoir
Lake Atoka Reservoir Show map of Oklahoma Lake Atoka Reservoir Show map of the United States
Location	Atoka County, Oklahoma, United States
Coordinates	34°27′07″N 96°05′26″W / 34.45194°N 96.09056°W / 34.45194; -96.09056
Type	reservoir
Basin countries	United States
Max. length	15 km (9.3 mi)
Surface area	5,700 acres (2,300 ha)
Average depth	26 m (85 ft)
Water volume	105,195 acre⋅ft (0.129756 km3)
Shore length1	70 km (43 mi)
Surface elevation	180 m (590 ft)[1]
Settlements	Atoka, Oklahoma
1 Shore length is not a well-defined measure.

Lake Atoka Reservoir (also called Atoka Lake) is a reservoir in southeastern Oklahoma, 4 miles (6.4 km) north of Atoka, Oklahoma, county seat of Atoka County, Oklahoma. It was built in 1959 to expand the water supply for Lake Stanley Draper in Oklahoma City and Atoka.^[2]

Description

The lake has a surface area of 5,700 acres (23,000,000 m²),^[3] an average depth of 26 feet (7.9 m), 70 miles (110 km) of shoreline and a capacity of 105,195 acre-feet (129,756,000 m³).^[4] Its length is 15 miles (24 km).^[a]

Litigation over water rights

Atoka Lake is mentioned along with Sardis Lake, the Kiamichi Basin and the Clear Boggy Basin in a current court case (now known as Chickasaw v. Fallin), alleging that the state has violated the water rights of specific Native American tribes. The case was filed in 2011, and seeks to prevent of limit withdrawals of water from the named sources by the city of Oklahoma City and approved by the Oklahoma Water Resources Board.^[6]