Reservoir in Stephens County, Oklahoma
Lake Humphreys is a reservoir located northeast of the city of Duncan, Oklahoma, United States. It was created in 1958 with an earthen dam. Its normal capacity is 14,041 acre-feet (17,319,000 m3) of water with an average depth of 40 feet (12 m). The lake covers 882 acres (3.57 km2) encompassed by 16.1 miles (25.9 km) of shoreline.[1][2][3][4][5][6] The lake is operated by the city of Duncan.
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