Johnstons Pond
Key Takeaway
Johnstons Pond is classified as low hazard in South Carolina. It was completed in 1975 and is 51 years old. Its primary use is recreation.
Physical Details
| Dam Height | 30 ft (taller than 78.9% in SC) |
| Max Storage | 42 acre-ft |
| Normal Storage | 31 acre-ft |
| Surface Area | 4 acres |
| Year Completed | 1975 (51 years old) |
| NID ID | SC01089 |
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
DAVID GLENN & TAMMY S DENNIS
Private
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Low Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Johnstons Pond?
Johnstons Pond 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 Johnstons Pond?
Johnstons Pond is owned by DAVID GLENN & TAMMY S DENNIS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Johnstons Pond built?
Johnstons Pond was completed in 1975, making it 51 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 Johnstons Pond?
Johnstons Pond 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 Johnstons Pond?
Johnstons Pond has a dam height of 30 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 Johnstons Pond last inspected?
Johnstons Pond was last inspected on October 3, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.