Upper Little Nemaha 79
Key Takeaway
Upper Little Nemaha 79 is classified as significant hazard in Nebraska. It was completed in 1998 and is 28 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 | 38 ft (taller than 87.6% in NE) |
| Dam Length | 1,022 ft |
| Dam Type | Earth |
| Max Storage | 883 acre-ft |
| Normal Storage | 136 acre-ft |
| Surface Area | 28 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 4,577 cfs |
| Year Completed | 1998 (28 years old) |
| NID ID | NE02486 |
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
Upper Little Nemaha 31 West
Otoe, NE
Low Hazard 31 ftUpper Little Nemaha 26
Lancaster, NE
Low Hazard 37 ftUpper Little Nemaha 31 East
Otoe, NE
Low Hazard 34 ftUpper Little Nemaha 25
Lancaster, NE
Low Hazard 44 ftUpper Little Nemaha 18
Otoe, NE
Low Hazard 38 ftCodr Grade Stabilization Dam
Otoe, NE
Low Hazard 31 ftUpper Little Nemaha 17
Otoe, NE
Low Hazard 36 ftStevens Creek A5-1
Lancaster, NE
Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Upper Little Nemaha 79?
Upper Little Nemaha 79 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 Upper Little Nemaha 79?
Upper Little Nemaha 79 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 79 built?
Upper Little Nemaha 79 was completed in 1998, making it 28 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 79?
Upper Little Nemaha 79 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 79?
Upper Little Nemaha 79 has a dam height of 38 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 79 last inspected?
Upper Little Nemaha 79 was last inspected on June 22, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.