Colonial Lake Dam
Key Takeaway
Colonial Lake Dam is classified as high hazard in South Carolina. It was completed in 1873 and is 153 years old. Its primary use is other. 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 | 17 ft (taller than 33.8% in SC) |
| Max Storage | 680 acre-ft |
| Normal Storage | 364 acre-ft |
| Surface Area | 70 acres |
| Year Completed | 1873 (153 years old) |
| NID ID | SC00458 |
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
COLONIAL LAKE CORP
Private
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Significant Hazard 6 ftFrequently Asked Questions
What is the hazard classification of Colonial Lake Dam?
Colonial Lake 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 Colonial Lake Dam?
Colonial Lake Dam is owned by COLONIAL LAKE CORP (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Colonial Lake Dam built?
Colonial Lake Dam was completed in 1873, making it 153 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 Colonial Lake Dam?
Colonial Lake Dam serves the following purposes: Other, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Colonial Lake Dam?
Colonial Lake Dam has a dam height of 17 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 Colonial Lake Dam last inspected?
Colonial Lake Dam was last inspected on August 17, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.