Hillsborough Water Supply Dam
Key Takeaway
Hillsborough Water Supply Dam is classified as high hazard in North Carolina. It was completed in 2000 and is 26 years old. Its primary use is water supply. 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 | 1,699 ft |
| Dam Type | Earth |
| Max Storage | 24.1K acre-ft |
| Normal Storage | 7.0K acre-ft |
| Surface Area | 272 acres |
| Drainage Area | 6,046 sq mi |
| Max Discharge | 22,918 cfs |
| Year Completed | 2000 (26 years old) |
| NID ID | NC05793 |
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
Town of Hillsborough Utilities
Local Government
Nearby Dams
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Low HazardJohnson Lake Dam
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Significant HazardLake Michael Dam
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High HazardFrequently Asked Questions
What is the hazard classification of Hillsborough Water Supply Dam?
Hillsborough Water Supply 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 Hillsborough Water Supply Dam?
Hillsborough Water Supply Dam is owned by Town of Hillsborough Utilities (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hillsborough Water Supply Dam built?
Hillsborough Water Supply Dam was completed in 2000, making it 26 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 Hillsborough Water Supply Dam?
Hillsborough Water Supply Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Hillsborough Water Supply Dam last inspected?
Hillsborough Water Supply Dam was last inspected on August 23, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.