Rocky Creek-Cedar Creek
Key Takeaway
Rocky Creek-Cedar Creek is classified as high hazard in South Carolina. It was completed in 1909 and is 117 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 | 117 ft (taller than 99.5% in SC) |
| Dam Length | 1,830 ft |
| Dam Type | Gravity |
| Max Storage | 9.6K acre-ft |
| Normal Storage | 9.6K acre-ft |
| Surface Area | 800 acres |
| Drainage Area | 4,360 sq mi |
| Max Discharge | 774,500 cfs |
| Year Completed | 1909 (117 years old) |
| NID ID | SC01071 |
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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Low Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Rocky Creek-Cedar Creek?
Rocky Creek-Cedar Creek 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 Rocky Creek-Cedar Creek?
Rocky Creek-Cedar Creek is owned by Duke Energy (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rocky Creek-Cedar Creek built?
Rocky Creek-Cedar Creek was completed in 1909, making it 117 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 Rocky Creek-Cedar Creek?
Rocky Creek-Cedar Creek 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 Rocky Creek-Cedar Creek?
Rocky Creek-Cedar Creek has a dam height of 117 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 Rocky Creek-Cedar Creek last inspected?
Rocky Creek-Cedar Creek was last inspected on April 11, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.