Upper Little Nemaha 50
Key Takeaway
Upper Little Nemaha 50 is classified as low hazard in Nebraska. It was completed in 2001 and is 25 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 43 ft (taller than 93% in NE) |
| Dam Length | 1,100 ft |
| Dam Type | Earth |
| Max Storage | 490 acre-ft |
| Normal Storage | 173 acre-ft |
| Surface Area | 31 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 1,491 cfs |
| Year Completed | 2001 (25 years old) |
| NID ID | NE02610 |
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
Vogt Dam
Otoe, NE
Low Hazard 33 ftUpper Little Nemaha 59
Otoe, NE
Low Hazard 41 ftWilson Creek 11-A
Cass, NE
Low Hazard 32 ftUpper Little Nemaha 63
Otoe, NE
Low Hazard 42 ftFargo Dam
Otoe, NE
Low Hazard 31 ftWilson Creek 10-5
Otoe, NE
Low Hazard 24 ftWilson Creek 12-T
Otoe, NE
Low Hazard 30 ftWeeping Water Creek 21-A
Cass, NE
Significant Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Upper Little Nemaha 50?
Upper Little Nemaha 50 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 50?
Upper Little Nemaha 50 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 50 built?
Upper Little Nemaha 50 was completed in 2001, making it 25 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 50?
Upper Little Nemaha 50 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 50?
Upper Little Nemaha 50 has a dam height of 43 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 50 last inspected?
Upper Little Nemaha 50 was last inspected on April 17, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.