Johnsons Lake Dam
Key Takeaway
Johnsons Lake Dam is classified as high hazard in South Carolina. Its primary use is recreation. 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 | 18 ft (taller than 37.9% in SC) |
| Max Storage | 218 acre-ft |
| Normal Storage | 175 acre-ft |
| Surface Area | 39 acres |
| NID ID | SC02267 |
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
JOHNSON LAKE ESTATES PROPERTY OWNERS ASSOCIATION
Private
Nearby Dams
Burgess Lake Dam
Aiken, SC
High Hazard 13 ftBoyd Pond Dam
Aiken, SC
Low Hazard 15 ftMcelmurray Pond Dam
Aiken, SC
High Hazard 16 ftRay Campbell Dam
Aiken, SC
High Hazard 19 ftHerndon Pond Dam
Aiken, SC
Low Hazard 15 ftCrystal Lakes Lower Dam
Aiken, SC
Low Hazard 26 ftLake Florence Dam
Aiken, SC
High Hazard 15 ftKings Ridge Dam 4
Aiken, SC
Unknown 32 ftFrequently Asked Questions
What is the hazard classification of Johnsons Lake Dam?
Johnsons 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 Johnsons Lake Dam?
Johnsons Lake Dam is owned by JOHNSON LAKE ESTATES PROPERTY OWNERS ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Johnsons Lake Dam?
Johnsons 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 Johnsons Lake Dam?
Johnsons Lake Dam has a dam height of 18 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 Johnsons Lake Dam last inspected?
Johnsons Lake Dam was last inspected on July 20, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.