Forty Niner Lake Dam
Key Takeaway
Forty Niner Lake Dam is classified as low hazard in South Carolina. It was completed in 1960 and is 66 years old. Its primary use is recreation.
Physical Details
| Dam Height | 43 ft (taller than 94.1% in SC) |
| Max Storage | 83 acre-ft |
| Normal Storage | 78 acre-ft |
| Surface Area | 5 acres |
| Year Completed | 1960 (66 years old) |
| NID ID | SC01754 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
KIRK P AND DIANE M DILLON
Private
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High Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Forty Niner Lake Dam?
Forty Niner Lake Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Forty Niner Lake Dam?
Forty Niner Lake Dam is owned by KIRK P AND DIANE M DILLON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Forty Niner Lake Dam built?
Forty Niner Lake Dam was completed in 1960, making it 66 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 Forty Niner Lake Dam?
Forty Niner Lake Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Forty Niner Lake Dam?
Forty Niner Lake Dam has a dam height of 43 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 Forty Niner Lake Dam last inspected?
Forty Niner Lake Dam was last inspected on May 11, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.