Lake Hyco Dam
Key Takeaway
Lake Hyco Dam is classified as high hazard in North Carolina. It was completed in 1963 and is 63 years old. Its primary use is recreation. 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 | 1,800 ft |
| Dam Type | Earth |
| Max Storage | 160.0K acre-ft |
| Normal Storage | 78.0K acre-ft |
| Surface Area | 3,750 acres |
| Drainage Area | 121,600 sq mi |
| Max Discharge | 33,000 cfs |
| Year Completed | 1963 (63 years old) |
| NID ID | NC00656 |
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 Corporation
Public Utility
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Low HazardFrequently Asked Questions
What is the hazard classification of Lake Hyco Dam?
Lake Hyco 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 Lake Hyco Dam?
Lake Hyco Dam is owned by Duke Energy Corporation (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Hyco Dam built?
Lake Hyco Dam was completed in 1963, making it 63 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 Lake Hyco Dam?
Lake Hyco Dam serves the following purposes: Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Lake Hyco Dam last inspected?
Lake Hyco Dam was last inspected on April 19, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.