Rocky River Multiple Arch Buttress Dam
Key Takeaway
Rocky River Multiple Arch Buttress Dam is classified as significant hazard in South Carolina. It was completed in 1940 and is 86 years old. Its primary use is hydroelectric. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 80 ft (taller than 99.2% in SC) |
| Dam Length | 500 ft |
| Dam Type | Multi-Arch |
| Max Storage | 26.3K acre-ft |
| Normal Storage | 25.7K acre-ft |
| Surface Area | 1,425 acres |
| Drainage Area | 196 sq mi |
| Max Discharge | 29,000 cfs |
| Year Completed | 1940 (86 years old) |
| NID ID | SC00247 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Abbeville, City of
Local Government
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What is the hazard classification of Rocky River Multiple Arch Buttress Dam?
Rocky River Multiple Arch Buttress Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Rocky River Multiple Arch Buttress Dam?
Rocky River Multiple Arch Buttress Dam is owned by Abbeville, City of (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rocky River Multiple Arch Buttress Dam built?
Rocky River Multiple Arch Buttress Dam was completed in 1940, making it 86 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 River Multiple Arch Buttress Dam?
Rocky River Multiple Arch Buttress Dam serves the following purposes: Hydroelectric, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Rocky River Multiple Arch Buttress Dam?
Rocky River Multiple Arch Buttress Dam has a dam height of 80 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 River Multiple Arch Buttress Dam last inspected?
Rocky River Multiple Arch Buttress Dam was last inspected on January 27, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.