O'Donnell
Key Takeaway
O'Donnell is classified as high hazard in Tennessee. It was completed in 1955 and is 71 years old. Its primary use is fish and wildlife pond. 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 Length | 790 ft |
| Dam Type | Earth |
| Max Storage | 180 acre-ft |
| Normal Storage | 116 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1955 (71 years old) |
| NID ID | TN05104 |
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
SEWANEE UTILITY DISTRICT
Public Utility
Nearby Dams
Frequently Asked Questions
What is the hazard classification of O'Donnell?
O'Donnell 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 O'Donnell?
O'Donnell is owned by SEWANEE UTILITY DISTRICT (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was O'Donnell built?
O'Donnell 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 O'Donnell?
O'Donnell serves the following purposes: Fish And Wildlife Pond, Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was O'Donnell last inspected?
O'Donnell was last inspected on July 20, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.