Long Valley Lake Dam
Key Takeaway
Long Valley Lake Dam is classified as low hazard in North Carolina. It was completed in 1983 and is 43 years old. Its primary use is irrigation.
Physical Details
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 930 acre-ft |
| Normal Storage | 570 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 1,218 sq mi |
| Year Completed | 1983 (43 years old) |
| NID ID | NC01935 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
West Range, LLC
Private
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High Hazard 23 ftFrequently Asked Questions
What is the hazard classification of Long Valley Lake Dam?
Long Valley Lake Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Long Valley Lake Dam?
Long Valley Lake Dam is owned by West Range, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Long Valley Lake Dam built?
Long Valley Lake Dam was completed in 1983, making it 43 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 Valley Lake Dam?
Long Valley Lake Dam serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Long Valley Lake Dam last inspected?
Long Valley Lake Dam was last inspected on March 24, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.