Gruenewald Dam
Key Takeaway
Gruenewald Dam is classified as low hazard in Nebraska. It was completed in 1973 and is 53 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 19 ft (taller than 24.6% in NE) |
| Dam Length | 465 ft |
| Dam Type | Earth |
| Max Storage | 166 acre-ft |
| Normal Storage | 60 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 898 cfs |
| Year Completed | 1973 (53 years old) |
| NID ID | NE00294 |
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
Alan M & Brian J & Steven D Osantowski
Private
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Low Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Gruenewald Dam?
Gruenewald 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 Gruenewald Dam?
Gruenewald Dam is owned by Alan M & Brian J & Steven D Osantowski (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Gruenewald Dam built?
Gruenewald Dam was completed in 1973, making it 53 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 Gruenewald Dam?
Gruenewald Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Gruenewald Dam?
Gruenewald 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 Gruenewald Dam last inspected?
Gruenewald Dam was last inspected on June 15, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.