Harbison Structure 9
Key Takeaway
Harbison Structure 9 is classified as high hazard in South Carolina. It was completed in 1983 and is 43 years old. Its primary use is flood risk reduction. 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 | 32 ft (taller than 83.4% in SC) |
| Max Storage | 360 acre-ft |
| Normal Storage | 77 acre-ft |
| Surface Area | 15 acres |
| Year Completed | 1983 (43 years old) |
| NID ID | SC02405 |
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
HARBISON COMMUNITY ASSOCIATION INC;LEXINGTON COUNTY
Private
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High Hazard 18 ftHarbison Floodwtr Det Dam
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High Hazard 17 ftBig Coldstream Dam
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Significant Hazard 18 ftLittle Coldstream Dam
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High Hazard 21 ftFrequently Asked Questions
What is the hazard classification of Harbison Structure 9?
Harbison Structure 9 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 Harbison Structure 9?
Harbison Structure 9 is owned by HARBISON COMMUNITY ASSOCIATION INC;LEXINGTON COUNTY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Harbison Structure 9 built?
Harbison Structure 9 was completed in 1983, making it 43 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 Harbison Structure 9?
Harbison Structure 9 serves the following purposes: Flood Risk Reduction, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Harbison Structure 9?
Harbison Structure 9 has a dam height of 32 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 Harbison Structure 9 last inspected?
Harbison Structure 9 was last inspected on January 27, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.