Upper Little Nemaha 31 West
Key Takeaway
Upper Little Nemaha 31 West 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 | 31 ft (taller than 70.5% in NE) |
| Dam Length | 770 ft |
| Dam Type | Earth |
| Max Storage | 198 acre-ft |
| Normal Storage | 48 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 827 cfs |
| Year Completed | 2002 (24 years old) |
| NID ID | NE02648 |
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 East
Otoe, NE
Low Hazard 34 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
Otoe, NE
Low Hazard 31 ftUpper Little Nemaha 18
Otoe, NE
Low Hazard 38 ftUpper Little Nemaha 25
Lancaster, NE
Low Hazard 44 ftUpper Little Nemaha 17
Otoe, NE
Low Hazard 36 ftUpper Little Nemaha 36
Otoe, NE
Low Hazard 37 ftFrequently Asked Questions
What is the hazard classification of Upper Little Nemaha 31 West?
Upper Little Nemaha 31 West 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 West?
Upper Little Nemaha 31 West 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 West built?
Upper Little Nemaha 31 West 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 West?
Upper Little Nemaha 31 West 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 West?
Upper Little Nemaha 31 West has a dam height of 31 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 West last inspected?
Upper Little Nemaha 31 West was last inspected on June 1, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.