Allerman #1 Dam
Key Takeaway
Allerman #1 Dam is classified as high hazard in Nevada. Its primary use is irrigation. 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 | 20 ft (taller than 40.8% in NV) |
| Dam Length | 2,800 ft |
| Dam Type | Earth |
| Max Storage | 500 acre-ft |
| Normal Storage | 450 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 200 cfs |
| NID ID | NV00092 |
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
ALLERMAN UPPER VIRGINIA IRRIGATION CO INC
Private
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What is the hazard classification of Allerman #1 Dam?
Allerman #1 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 Allerman #1 Dam?
Allerman #1 Dam is owned by ALLERMAN UPPER VIRGINIA IRRIGATION CO INC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Allerman #1 Dam?
Allerman #1 Dam serves the following purposes: Irrigation, Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Allerman #1 Dam?
Allerman #1 Dam has a dam height of 20 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 Allerman #1 Dam last inspected?
Allerman #1 Dam was last inspected on November 21, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.