Dunnaway Lake Dam
Key Takeaway
Dunnaway Lake Dam is classified as high hazard in North Carolina. It was completed in 1957 and is 69 years old. Its primary use is flood risk reduction. 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 | 406 ft |
| Dam Type | Earth |
| Max Storage | 290 acre-ft |
| Normal Storage | 240 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 675 sq mi |
| Max Discharge | 248 cfs |
| Year Completed | 1957 (69 years old) |
| NID ID | NC00858 |
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
Long Lake Homeowner's Association, Inc.
Private
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High HazardFrequently Asked Questions
What is the hazard classification of Dunnaway Lake Dam?
Dunnaway 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 Dunnaway Lake Dam?
Dunnaway Lake Dam is owned by Long Lake Homeowner's Association, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dunnaway Lake Dam built?
Dunnaway Lake Dam was completed in 1957, making it 69 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 Dunnaway Lake Dam?
Dunnaway Lake Dam serves the following purposes: Flood Risk Reduction, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Dunnaway Lake Dam last inspected?
Dunnaway Lake Dam was last inspected on January 20, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.