Johns Lake Dam
Key Takeaway
Johns Lake Dam is classified as high hazard in North Carolina. It was completed in 1840 and is 186 years old. 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 Length | 521 ft |
| Dam Type | Earth |
| Max Storage | 540 acre-ft |
| Normal Storage | 450 acre-ft |
| Surface Area | 115 acres |
| Drainage Area | 18,944 sq mi |
| Max Discharge | 66 cfs |
| Year Completed | 1840 (186 years old) |
| NID ID | NC01087 |
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
Helen Livingston
Private
Nearby Dams
Jones Lake Dam
Scotland, NC
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Low Hazard 13 ftMccoll Pond Dam
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Low Hazard 13 ftMclaurins Millpond Dam
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High Hazard 11 ftBel Acres Pond Dam
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Low Hazard 17 ftFrequently Asked Questions
What is the hazard classification of Johns Lake Dam?
Johns 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 Johns Lake Dam?
Johns Lake Dam is owned by Helen Livingston (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Johns Lake Dam built?
Johns Lake Dam was completed in 1840, making it 186 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 Johns Lake Dam?
Johns 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 Johns Lake Dam last inspected?
Johns Lake Dam was last inspected on December 14, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.