Piedmont
Key Takeaway
Piedmont is classified as high hazard in South Carolina. It was completed in 1874 and is 152 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 | 26 ft (taller than 67% in SC) |
| Dam Length | 600 ft |
| Dam Type | Gravity |
| Max Storage | 300 acre-ft |
| Normal Storage | 300 acre-ft |
| Surface Area | 26 acres |
| Drainage Area | 375 sq mi |
| Max Discharge | 3,200 cfs |
| Year Completed | 1874 (152 years old) |
| NID ID | SC01068 |
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
Aquenergy Systems, LLC
Private
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Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Piedmont?
Piedmont 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 Piedmont?
Piedmont is owned by Aquenergy Systems, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Piedmont built?
Piedmont was completed in 1874, making it 152 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 Piedmont?
Piedmont 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 Piedmont?
Piedmont has a dam height of 26 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 Piedmont last inspected?
Piedmont was last inspected on June 29, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.