Little Onion Dam
Key Takeaway
Little Onion Dam is classified as significant hazard in Nevada. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 31 ft (taller than 63.6% in NV) |
| Dam Length | 710 ft |
| Dam Type | Earth |
| Max Storage | 325 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 4,000 cfs |
| NID ID | NV00006 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
ALDER CREEK RANCH LLC
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Little Onion Dam?
Little Onion Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Little Onion Dam?
Little Onion Dam is owned by ALDER CREEK RANCH LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Little Onion Dam?
Little Onion Dam serves the following purposes: Irrigation, Fire Protection, Stock, Or Small Fish Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Little Onion Dam?
Little Onion Dam has a dam height of 31 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 Little Onion Dam last inspected?
Little Onion Dam was last inspected on July 18, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.