Twin Lakes Upper Dam
Key Takeaway
Twin Lakes Upper Dam is classified as significant hazard in South Carolina. It was completed in 1948 and is 78 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 17 ft (taller than 33.8% in SC) |
| Max Storage | 147 acre-ft |
| Normal Storage | 89 acre-ft |
| Surface Area | 11 acres |
| Year Completed | 1948 (78 years old) |
| NID ID | SC01153 |
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
CHRISTOPHER CRUZ;JSMG DEVELOPMENT LLC
Private
Nearby Dams
Twin Lakes Lower Dam
Edgefield, SC
Significant Hazard 31 ftEggleston Lake Dam
Aiken, SC
Low Hazard 25 ftMt Canaan Bapt Assn Dam
Edgefield, SC
Low Hazard 27 ftArrowhead Lake Dam
Aiken, SC
Significant Hazard 40 ftArrowhead Lakes Dam
Aiken, SC
Low Hazard 31 ftLuther Williams Dam
Aiken, SC
Low Hazard 18 ftSouthern Nurseries Dam
Edgefield, SC
Low Hazard 25 ftPearson Pond Dam
Edgefield, SC
Low Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Twin Lakes Upper Dam?
Twin Lakes Upper 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 Twin Lakes Upper Dam?
Twin Lakes Upper Dam is owned by CHRISTOPHER CRUZ;JSMG DEVELOPMENT LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Twin Lakes Upper Dam built?
Twin Lakes Upper Dam was completed in 1948, making it 78 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 Twin Lakes Upper Dam?
Twin Lakes Upper 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 Twin Lakes Upper Dam?
Twin Lakes Upper 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 Twin Lakes Upper Dam last inspected?
Twin Lakes Upper Dam was last inspected on September 1, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.