Simonsen Dam
Key Takeaway
Simonsen Dam is classified as low hazard in Nebraska. It was completed in 1963 and is 63 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 19 ft (taller than 24.6% in NE) |
| Dam Length | 425 ft |
| Dam Type | Earth |
| Max Storage | 147 acre-ft |
| Normal Storage | 51 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 440 cfs |
| Year Completed | 1963 (63 years old) |
| NID ID | NE00224 |
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
General Agricultural Services LLC
Private
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Low Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Simonsen Dam?
Simonsen 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 Simonsen Dam?
Simonsen Dam is owned by General Agricultural Services LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Simonsen Dam built?
Simonsen Dam was completed in 1963, making it 63 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 Simonsen Dam?
Simonsen 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 Simonsen Dam?
Simonsen Dam has a dam height of 19 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 Simonsen Dam last inspected?
Simonsen Dam was last inspected on April 8, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.