Wilson Dam
Key Takeaway
Wilson Dam is classified as high hazard in Alabama. It was completed in 1924 and is 102 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 113 ft (taller than 99.2% in AL) |
| Dam Length | 4,541 ft |
| Dam Type | Concrete |
| Max Storage | 674.2K acre-ft |
| Normal Storage | 636.5K acre-ft |
| Surface Area | 15,600 acres |
| Drainage Area | 30,750 sq mi |
| Max Discharge | 893,000 cfs |
| Year Completed | 1924 (102 years old) |
| NID ID | AL07702 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
TVA
Federal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Wilson Dam?
Wilson Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Wilson Dam?
Wilson Dam is owned by TVA (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Wilson Dam built?
Wilson Dam was completed in 1924, making it 102 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 Wilson Dam?
Wilson Dam serves the following purposes: Flood Risk Reduction, Navigation, Recreation, Hydroelectric, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Wilson Dam?
Wilson Dam has a dam height of 113 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Wilson Dam last inspected?
Wilson Dam was last inspected on October 13, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.