Demopolis Lock and Dam
Key Takeaway
Demopolis Lock and Dam is classified as significant hazard in Alabama. It was completed in 1955 and is 71 years old. Its primary use is navigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Length | 1,770 ft |
| Dam Type | Gravity |
| Max Storage | 150.0K acre-ft |
| Normal Storage | 120.0K acre-ft |
| Surface Area | 10,000 acres |
| Drainage Area | 15,385 sq mi |
| Max Discharge | 88,000 cfs |
| Year Completed | 1955 (71 years old) |
| NID ID | AL01430 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
USACE - Mobile District
Federal Government
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Low Hazard 17 ftFrequently Asked Questions
What is the hazard classification of Demopolis Lock and Dam?
Demopolis Lock and Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Demopolis Lock and Dam?
Demopolis Lock and Dam is owned by USACE - Mobile District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Demopolis Lock and Dam built?
Demopolis Lock and Dam was completed in 1955, making it 71 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Demopolis Lock and Dam?
Demopolis Lock and Dam serves the following purposes: Navigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Demopolis Lock and Dam last inspected?
Demopolis Lock and Dam was last inspected on June 27, 2024. Inspection dates indicate when a formal review occurred, not the results of that inspection.