Wilbur Dam
Key Takeaway
Wilbur Dam is classified as high hazard in Tennessee. It was completed in 1912 and is 114 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 | 47 ft (taller than 62.7% in TN) |
| Dam Length | 376 ft |
| Dam Type | Concrete |
| Max Storage | 873 acre-ft |
| Normal Storage | 595 acre-ft |
| Surface Area | 70 acres |
| Drainage Area | 480 sq mi |
| Max Discharge | 39,040 cfs |
| Year Completed | 1912 (114 years old) |
| NID ID | TN01904 |
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 Wilbur Dam?
Wilbur 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 Wilbur Dam?
Wilbur Dam is owned by TVA (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Wilbur Dam built?
Wilbur Dam was completed in 1912, making it 114 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 Wilbur Dam?
Wilbur Dam serves the following purposes: Flood Risk Reduction, Recreation, Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Wilbur Dam?
Wilbur Dam has a dam height of 47 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 Wilbur Dam last inspected?
Wilbur Dam was last inspected on March 30, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.