Columbia Diversion Dam
Key Takeaway
Columbia Diversion Dam is classified as significant hazard in South Carolina. It was completed in 1882 and is 144 years old. Its primary use is hydroelectric. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 14 ft (taller than 19.3% in SC) |
| Dam Length | 1,020 ft |
| Dam Type | Timber Crib |
| Max Storage | 800 acre-ft |
| Normal Storage | 800 acre-ft |
| Surface Area | 265 acres |
| Drainage Area | 5,330 sq mi |
| Max Discharge | 28,000 cfs |
| Year Completed | 1882 (144 years old) |
| NID ID | SC01065 |
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
City of Columbia
Public Utility
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High Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Columbia Diversion Dam?
Columbia Diversion 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 Columbia Diversion Dam?
Columbia Diversion Dam is owned by City of Columbia (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Columbia Diversion Dam built?
Columbia Diversion Dam was completed in 1882, making it 144 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 Columbia Diversion Dam?
Columbia Diversion Dam serves the following purposes: Hydroelectric, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Columbia Diversion Dam?
Columbia Diversion Dam has a dam height of 14 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 Columbia Diversion Dam last inspected?
Columbia Diversion Dam was last inspected on February 24, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.