Upper Little Nemaha 31 East
Key Takeaway
Upper Little Nemaha 31 East is classified as low hazard in Nebraska. It was completed in 2002 and is 24 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 34 ft (taller than 79.7% in NE) |
| Dam Length | 905 ft |
| Dam Type | Earth |
| Max Storage | 338 acre-ft |
| Normal Storage | 65 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,094 cfs |
| Year Completed | 2002 (24 years old) |
| NID ID | NE02647 |
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
Nemaha Natural Resources District
Local Government
Nearby Dams
Upper Little Nemaha 31 West
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Low Hazard 31 ftUpper Little Nemaha 18
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Low Hazard 38 ftUpper Little Nemaha 79
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Significant Hazard 38 ftUpper Little Nemaha 26
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Low Hazard 37 ftCodr Grade Stabilization Dam
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Low Hazard 31 ftUpper Little Nemaha 17
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Low Hazard 36 ftUpper Little Nemaha 25
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Low Hazard 44 ftUpper Little Nemaha 36
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Low Hazard 37 ftFrequently Asked Questions
What is the hazard classification of Upper Little Nemaha 31 East?
Upper Little Nemaha 31 East 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 Upper Little Nemaha 31 East?
Upper Little Nemaha 31 East is owned by Nemaha Natural Resources District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Upper Little Nemaha 31 East built?
Upper Little Nemaha 31 East was completed in 2002, making it 24 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 Upper Little Nemaha 31 East?
Upper Little Nemaha 31 East 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 Upper Little Nemaha 31 East?
Upper Little Nemaha 31 East has a dam height of 34 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 Upper Little Nemaha 31 East last inspected?
Upper Little Nemaha 31 East was last inspected on May 6, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.