Marrowbone
Key Takeaway
Marrowbone is classified as high hazard in Tennessee. It was completed in 1939 and is 87 years old. 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 | 540 ft |
| Dam Type | Earth |
| Max Storage | 1.7K acre-ft |
| Normal Storage | 510 acre-ft |
| Surface Area | 57 acres |
| Drainage Area | 6 sq mi |
| Year Completed | 1939 (87 years old) |
| NID ID | TN03707 |
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
TWRA
State Government
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Low HazardFrequently Asked Questions
What is the hazard classification of Marrowbone?
Marrowbone 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 Marrowbone?
Marrowbone is owned by TWRA (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Marrowbone built?
Marrowbone was completed in 1939, making it 87 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
When was Marrowbone last inspected?
Marrowbone was last inspected on May 11, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.