Mayo Active Ash Basin Dam
Key Takeaway
Mayo Active Ash 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 | 2,300 ft |
| Dam Type | Earth |
| Max Storage | 1.9K acre-ft |
| Normal Storage | 1.5K acre-ft |
| Surface Area | 140 acres |
| Drainage Area | 333 sq mi |
| Max Discharge | 48 cfs |
| NID ID | NC06003 |
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 Retention Basin Dam
Person, NC
High HazardMayo Lake Dam
Person, NC
High HazardReaves Dam
Halifax, VA
Low Hazard 18 ftHall Dam
Halifax, VA
Unknown 21 ftWare Dam
Halifax, VA
Unknown 28 ftRoxboro Afterbay Dam
Person, NC
High HazardClaycomb Dam
Halifax, VA
Unknown 23 ftFrequently Asked Questions
What is the hazard classification of Mayo Active Ash Basin Dam?
Mayo Active Ash 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 Active Ash Basin Dam?
Mayo Active Ash 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 Active Ash Basin Dam?
Mayo Active Ash Basin 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 Active Ash Basin Dam last inspected?
Mayo Active Ash Basin Dam was last inspected on April 18, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.