It was constructed in 1932, placed in operation in 1936. Its last major rehabilitation was from 1989 through 2000.
Description
The dam consists of a concrete structure 682 feet (207.9 m) long with five roller gates and five tainter gates with an earth embankment 22,000 feet (6,705.6 m) long. Its concrete overflow spillway is 1,000 feet (304.8 m) long and its lock is 110 feet (33.5 m) wide by 600 feet (182.9 m) long.