According to Wikipedia:
Cordell Hull Lake is a lake in the Cumberland River in north-central Tennessee, about forty miles east of Nashville, in the vicinity of Carthage. It covers approximately 12,000 acres.
Cordell Hull Dam impounding the Cumberland River was built by the United States Army Corps of Engineers between May 1963 and November 1973 for navigation, hydroelectric power generation, and recreation. The dam is concrete and earthen gravity structure, 87 feet high (above streambed), with a generator capacity of 100 megawatts. It impounds 259,100 acre feet at normal maximum pool, with a maximum flood storage of 310,900 acre feet.
Both are named for Cordell Hull, former United States Secretary of State.