Mayo Lake Dam
Key Takeaway
Mayo Lake 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 | 2,600 ft |
| Dam Type | Earth |
| Max Storage | 142.0K acre-ft |
| Normal Storage | 88.0K acre-ft |
| Surface Area | 2,800 acres |
| Drainage Area | 54 sq mi |
| Max Discharge | 66,100 cfs |
| NID ID | NC06002 |
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
Nearby Dams
Mayo Fgd Settling Basin Dam
Person, NC
High HazardMayo Active Ash Basin Dam
Person, NC
High HazardReaves Dam
Halifax, VA
Low Hazard 18 ftMayo Retention Basin Dam
Person, NC
High HazardWare Dam
Halifax, VA
Unknown 28 ftHall Dam
Halifax, VA
Unknown 21 ftRoxboro Afterbay Dam
Person, NC
High HazardClaycomb Dam
Halifax, VA
Unknown 23 ftFrequently Asked Questions
What is the hazard classification of Mayo Lake Dam?
Mayo 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 Mayo Lake Dam?
Mayo Lake 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 Lake Dam?
Mayo Lake Dam serves the following purposes: Flood Risk Reduction, Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Mayo Lake Dam last inspected?
Mayo Lake Dam was last inspected on April 18, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.