O'Brien Mockenhaupt Dam
Key Takeaway
O'Brien Mockenhaupt Dam is classified as low hazard in Nebraska. It was completed in 1981 and is 45 years old. Its primary use is other.
Physical Details
| Dam Height | 30 ft (taller than 66.9% in NE) |
| Dam Length | 478 ft |
| Dam Type | Earth |
| Max Storage | 152 acre-ft |
| Normal Storage | 72 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 74 cfs |
| Year Completed | 1981 (45 years old) |
| NID ID | NE00363 |
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
Mark P & Cheryl A OBrien Revocable Trust
Private
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Significant Hazard 34 ftFrequently Asked Questions
What is the hazard classification of O'Brien Mockenhaupt Dam?
O'Brien Mockenhaupt 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 O'Brien Mockenhaupt Dam?
O'Brien Mockenhaupt Dam is owned by Mark P & Cheryl A OBrien Revocable Trust (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was O'Brien Mockenhaupt Dam built?
O'Brien Mockenhaupt Dam was completed in 1981, making it 45 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 O'Brien Mockenhaupt Dam?
O'Brien Mockenhaupt 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 O'Brien Mockenhaupt Dam?
O'Brien Mockenhaupt Dam has a dam height of 30 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 O'Brien Mockenhaupt Dam last inspected?
O'Brien Mockenhaupt Dam was last inspected on April 18, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.