Roxboro Afterbay Dam
Key Takeaway
Roxboro Afterbay Dam is classified as high hazard in North Carolina. It was completed in 1974 and is 52 years old. Its primary use is other. 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 | 909 ft |
| Dam Type | Concrete |
| Max Storage | 27.0K acre-ft |
| Normal Storage | 12.0K acre-ft |
| Surface Area | 650 acres |
| Drainage Area | 85 sq mi |
| Max Discharge | 330 cfs |
| Year Completed | 1974 (52 years old) |
| NID ID | NC00666 |
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
Jimmie Bowes Dam #2
Person, NC
High HazardJimmie Bowes Transmission Line Dam
Person, NC
High HazardLake Hyco Dam
Person, NC
High HazardChub Lake Dam
Person, NC
Low HazardRoxboro Country Club Lake Dam
Person, NC
Low HazardR. R. Jones Dam
Halifax, VA
Unknown 30 ftRoxboro East Ash Basin Dam
Person, NC
High HazardRoxboro Retention Basin Dam
Person, NC
High HazardFrequently Asked Questions
What is the hazard classification of Roxboro Afterbay Dam?
Roxboro Afterbay 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 Roxboro Afterbay Dam?
Roxboro Afterbay Dam is owned by Duke Energy Corporation (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Roxboro Afterbay Dam built?
Roxboro Afterbay Dam was completed in 1974, making it 52 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 Roxboro Afterbay Dam?
Roxboro Afterbay Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Roxboro Afterbay Dam last inspected?
Roxboro Afterbay Dam was last inspected on April 19, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.