Mayo Retention Basin Dam
Key Takeaway
Mayo Retention Basin Dam is classified as high hazard in North Carolina. 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 | 690 ft |
| Dam Type | Concrete |
| Max Storage | 86 acre-ft |
| Normal Storage | 41 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 11 sq mi |
| Max Discharge | 56 cfs |
| NID ID | NC06208 |
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
Duke Energy Corporation
Public Utility
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High HazardFrequently Asked Questions
What is the hazard classification of Mayo Retention Basin Dam?
Mayo Retention Basin 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 Mayo Retention Basin Dam?
Mayo Retention Basin Dam is owned by Duke Energy Corporation (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Mayo Retention Basin Dam?
Mayo Retention Basin Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Mayo Retention Basin Dam last inspected?
Mayo Retention Basin Dam was last inspected on April 18, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.