Frances and Bill Irwin Dam
Key Takeaway
Frances and Bill Irwin Dam is classified as high hazard in South Carolina. It was completed in 1970 and is 56 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 Height | 27 ft (taller than 70.9% in SC) |
| Max Storage | 205 acre-ft |
| Normal Storage | 14 acre-ft |
| Surface Area | 4 acres |
| Year Completed | 1970 (56 years old) |
| NID ID | SC00175 |
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
ANDREW GRAHAM RICE AND ANN RICE
Private
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Low Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Frances and Bill Irwin Dam?
Frances and Bill Irwin 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 Frances and Bill Irwin Dam?
Frances and Bill Irwin Dam is owned by ANDREW GRAHAM RICE AND ANN RICE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Frances and Bill Irwin Dam built?
Frances and Bill Irwin Dam was completed in 1970, making it 56 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 Frances and Bill Irwin Dam?
Frances and Bill Irwin Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Frances and Bill Irwin Dam?
Frances and Bill Irwin Dam has a dam height of 27 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 Frances and Bill Irwin Dam last inspected?
Frances and Bill Irwin Dam was last inspected on July 24, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.