Long Branch 71
Key Takeaway
Long Branch 71 is classified as significant hazard in Nebraska. It was completed in 1980 and is 46 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 32 ft (taller than 73.9% in NE) |
| Dam Length | 1,110 ft |
| Dam Type | Earth |
| Max Storage | 980 acre-ft |
| Normal Storage | 98 acre-ft |
| Surface Area | 24 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 2,280 cfs |
| Year Completed | 1980 (46 years old) |
| NID ID | NE01722 |
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
Nemaha Natural Resources District
Local Government
Nearby Dams
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Low Hazard 35 ftLong Branch 3
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Low Hazard 21 ftSpring Creek 9-A 641
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Significant Hazard 34 ftDave Borrenpohl Dam
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Low Hazard 19 ftFrequently Asked Questions
What is the hazard classification of Long Branch 71?
Long Branch 71 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 Long Branch 71?
Long Branch 71 is owned by Nemaha Natural Resources District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Long Branch 71 built?
Long Branch 71 was completed in 1980, making it 46 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 Long Branch 71?
Long Branch 71 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 Long Branch 71?
Long Branch 71 has a dam height of 32 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 Long Branch 71 last inspected?
Long Branch 71 was last inspected on April 7, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.