Nantahala
Key Takeaway
Nantahala is classified as high hazard in North Carolina. It was completed in 1942 and is 84 years old. Its primary use is hydroelectric. 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 | 250 ft (taller than 98.1% in NC) |
| Dam Length | 1,042 ft |
| Dam Type | Rockfill |
| Max Storage | 126.0K acre-ft |
| Normal Storage | 126.0K acre-ft |
| Surface Area | 1,605 acres |
| Drainage Area | 108 sq mi |
| Max Discharge | 54,800 cfs |
| Year Completed | 1942 (84 years old) |
| NID ID | NC00371 |
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
Duke Energy
Public Utility
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Significant HazardFrequently Asked Questions
What is the hazard classification of Nantahala?
Nantahala 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 Nantahala?
Nantahala is owned by Duke Energy (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Nantahala built?
Nantahala was completed in 1942, making it 84 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 Nantahala?
Nantahala serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Nantahala?
Nantahala has a dam height of 250 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 Nantahala last inspected?
Nantahala was last inspected on July 12, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.