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The lock is located in the southern bank and has an inside chamber with dimensions of 110 feet (34 m) by 600 feet (180 m), and having a maximum lift of 64 feet (20 m). The spillway is controlled by 14 individually operated tainter gates used to control the overall lake level. Located on the northern bank are hydroelectricturbines operated by the Alabama Power Company. The United States Army Corps of Engineers owns the dam facility; Alabama Power owns and operates the generating plant.