Long Lake Dam
Key Takeaway
Long Lake Dam is classified as high hazard in North Carolina. It was completed in 1915 and is 111 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 | 475 ft |
| Dam Type | Concrete |
| Max Storage | 1.4K acre-ft |
| Normal Storage | 833 acre-ft |
| Surface Area | 92 acres |
| Drainage Area | 20,030 sq mi |
| Max Discharge | 7,900 cfs |
| Year Completed | 1915 (111 years old) |
| Year Modified | 1989 |
| NID ID | NC00546 |
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
City of Albemarle
Local Government
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Significant Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Long Lake Dam?
Long 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 Long Lake Dam?
Long Lake Dam is owned by City of Albemarle (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Long Lake Dam built?
Long Lake Dam was completed in 1915, making it 111 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 Long Lake Dam?
Long Lake 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 Long Lake Dam last inspected?
Long Lake Dam was last inspected on January 4, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.