Johnston Lake Dam
Key Takeaway
Johnston Lake Dam is classified as low hazard in North Carolina. It was completed in 1966 and is 60 years old. Its primary use is recreation.
Physical Details
| Dam Length | 375 ft |
| Dam Type | Earth |
| Max Storage | 82 acre-ft |
| Normal Storage | 68 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 160 sq mi |
| Max Discharge | 20 cfs |
| Year Completed | 1966 (60 years old) |
| Year Modified | 1999 |
| NID ID | NC00230 |
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
Dexter & Birdie Yarger Family Limited Partnership
Private
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High HazardFrequently Asked Questions
What is the hazard classification of Johnston Lake Dam?
Johnston 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 Johnston Lake Dam?
Johnston Lake Dam is owned by Dexter & Birdie Yarger Family Limited Partnership (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Johnston Lake Dam built?
Johnston Lake Dam was completed in 1966, making it 60 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 Johnston Lake Dam?
Johnston 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.
When was Johnston Lake Dam last inspected?
Johnston Lake Dam was last inspected on January 31, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.