Cedar Cliff
Key Takeaway
Cedar Cliff is classified as high hazard in North Carolina. It was completed in 1952 and is 74 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 | 173 ft (taller than 91.3% in NC) |
| Dam Length | 590 ft |
| Dam Type | Earth |
| Max Storage | 6.2K acre-ft |
| Normal Storage | 6.2K acre-ft |
| Surface Area | 121 acres |
| Drainage Area | 81 sq mi |
| Max Discharge | 70,000 cfs |
| Year Completed | 1952 (74 years old) |
| NID ID | NC00334 |
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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High HazardFrequently Asked Questions
What is the hazard classification of Cedar Cliff?
Cedar Cliff 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 Cedar Cliff?
Cedar Cliff is owned by Duke Energy (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cedar Cliff built?
Cedar Cliff was completed in 1952, making it 74 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 Cedar Cliff?
Cedar Cliff 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 Cedar Cliff?
Cedar Cliff has a dam height of 173 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 Cedar Cliff last inspected?
Cedar Cliff was last inspected on May 26, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.