Lone Mountain Detention Basin Dam
Key Takeaway
Lone Mountain Detention Basin Dam is classified as high hazard in Nevada. 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 Height | 42 ft (taller than 75.9% in NV) |
| Dam Length | 3,617 ft |
| Dam Type | Earth |
| Max Storage | 744 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 44 acres |
| Drainage Area | 12 sq mi |
| Max Discharge | 36,525 cfs |
| NID ID | NV10461 |
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 LAS VEGAS
Local Government
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High Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Lone Mountain Detention Basin Dam?
Lone Mountain Detention 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 Lone Mountain Detention Basin Dam?
Lone Mountain Detention Basin Dam is owned by CITY OF LAS VEGAS (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Lone Mountain Detention Basin Dam?
Lone Mountain Detention Basin Dam serves the following purposes: Flood Risk Reduction, Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lone Mountain Detention Basin Dam?
Lone Mountain Detention Basin Dam has a dam height of 42 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Lone Mountain Detention Basin Dam last inspected?
Lone Mountain Detention Basin Dam was last inspected on April 12, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.