Howell Heflin Lock and Dam, Navigation lock and dam on Black Warrior River in Holt, Alabama
The Howell Heflin Lock and Dam features a lock chamber measuring 110 feet by 600 feet with a maximum lift capacity of 64 feet.
The facility, inaugurated in 1966, replaced several earlier locks and dams constructed during the initial decades of the twentieth century.
The structure bears the name of Howell Thomas Heflin, a United States Senator from Alabama who served from 1979 to 1997.
The dam contains fourteen tainter gates that regulate water levels while Alabama Power Company operates turbines for electricity generation on the northern riverbank.
The facility creates Holt Lake, extending nineteen miles upstream to connect with the John Hollis Bankhead Lock and Dam system.
Location: Alabama
GPS coordinates: 32.83690,-88.13580
Latest update: March 9, 2025 13:10
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