Union Water Works Dam
Key Takeaway
Union Water Works Dam is classified as high hazard in South Carolina. It was completed in 1962 and is 64 years old. Its primary use is water supply. 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 | 22 ft (taller than 52.9% in SC) |
| Max Storage | 67 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 7 acres |
| Year Completed | 1962 (64 years old) |
| NID ID | SC01515 |
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
CITY OF UNION
Local Government
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Low Hazard 34 ftFrequently Asked Questions
What is the hazard classification of Union Water Works Dam?
Union Water Works 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 Union Water Works Dam?
Union Water Works Dam is owned by CITY OF UNION (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Union Water Works Dam built?
Union Water Works Dam was completed in 1962, making it 64 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 Union Water Works Dam?
Union Water Works Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Union Water Works Dam?
Union Water Works Dam has a dam height of 22 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 Union Water Works Dam last inspected?
Union Water Works Dam was last inspected on June 20, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.