Upper Little Nemaha 42
Key Takeaway
Upper Little Nemaha 42 is classified as low hazard in Nebraska. It was completed in 2000 and is 26 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 39 ft (taller than 89.4% in NE) |
| Dam Length | 1,170 ft |
| Dam Type | Earth |
| Max Storage | 941 acre-ft |
| Normal Storage | 146 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 1,522 cfs |
| Year Completed | 2000 (26 years old) |
| NID ID | NE02557 |
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
Royal Grade Stabilization Dam
Otoe, NE
Low Hazard 24 ftUpper Little Nemaha 37
Otoe, NE
Low Hazard 30 ftSouth Branch 1-B
Otoe, NE
Low Hazard 44 ftSouth Branch 52
Otoe, NE
Low Hazard 37 ftUpper Little Nemaha 34
Otoe, NE
Low Hazard 42 ftSouth Branch 7
Otoe, NE
Low Hazard 48 ftSouth Branch 11
Otoe, NE
Low Hazard 43 ftKemper Farms Dam
Otoe, NE
Low Hazard 29 ftFrequently Asked Questions
What is the hazard classification of Upper Little Nemaha 42?
Upper Little Nemaha 42 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 42?
Upper Little Nemaha 42 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 42 built?
Upper Little Nemaha 42 was completed in 2000, making it 26 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 42?
Upper Little Nemaha 42 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 42?
Upper Little Nemaha 42 has a dam height of 39 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 42 last inspected?
Upper Little Nemaha 42 was last inspected on June 1, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.