Lake Hiawatha
Key Takeaway
Lake Hiawatha is classified as significant hazard in Tennessee. It was completed in 1965 and is 61 years old. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Length | 930 ft |
| Dam Type | Earth |
| Max Storage | 105 acre-ft |
| Normal Storage | 80 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1965 (61 years old) |
| NID ID | TN03521 |
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
LAKE TANSI VILLAGE P.O.A.
Private
Nearby Dams
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Significant HazardFrequently Asked Questions
What is the hazard classification of Lake Hiawatha?
Lake Hiawatha 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 Lake Hiawatha?
Lake Hiawatha is owned by LAKE TANSI VILLAGE P.O.A. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Hiawatha built?
Lake Hiawatha was completed in 1965, making it 61 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
When was Lake Hiawatha last inspected?
Lake Hiawatha was last inspected on January 22, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.