Sunflower Reservoir Dam
Key Takeaway
Sunflower Reservoir Dam is classified as significant hazard in Nevada. It was completed in 1889 and is 137 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 42 ft (taller than 75.9% in NV) |
| Dam Length | 700 ft |
| Dam Type | Earth |
| Max Storage | 2.1K acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 200 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 164 cfs |
| Year Completed | 1889 (137 years old) |
| NID ID | NV00047 |
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
ELLISON RANCHING COMPANY
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Sunflower Reservoir Dam?
Sunflower Reservoir 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 Sunflower Reservoir Dam?
Sunflower Reservoir Dam is owned by ELLISON RANCHING COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sunflower Reservoir Dam built?
Sunflower Reservoir Dam was completed in 1889, making it 137 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 Sunflower Reservoir Dam?
Sunflower Reservoir Dam serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Sunflower Reservoir Dam?
Sunflower Reservoir 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 Sunflower Reservoir Dam last inspected?
Sunflower Reservoir Dam was last inspected on July 24, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.