Helmink Dam
Key Takeaway
Helmink Dam is classified as significant hazard in Nebraska. It was completed in 2000 and is 26 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 21 ft (taller than 32.5% in NE) |
| Dam Length | 250 ft |
| Dam Type | Earth |
| Max Storage | 186 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 485 cfs |
| Year Completed | 2000 (26 years old) |
| NID ID | NE02532 |
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
Ironhorse Acres Association
Private
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Low Hazard 16 ftFrequently Asked Questions
What is the hazard classification of Helmink Dam?
Helmink 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 Helmink Dam?
Helmink Dam is owned by Ironhorse Acres Association (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Helmink Dam built?
Helmink Dam was completed in 2000, making it 26 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 Helmink Dam?
Helmink Dam serves the following purposes: Other, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Helmink Dam?
Helmink Dam has a dam height of 21 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 Helmink Dam last inspected?
Helmink Dam was last inspected on June 22, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.