Nielsen South Dam
Key Takeaway
Nielsen South Dam is classified as low hazard in Nebraska. It was completed in 1990 and is 36 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 22 ft (taller than 35.8% in NE) |
| Dam Length | 320 ft |
| Dam Type | Earth |
| Max Storage | 87 acre-ft |
| Normal Storage | 39 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 42 cfs |
| Year Completed | 1990 (36 years old) |
| NID ID | NE02696 |
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
Larry D & WF Nielsen
Private
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Low Hazard 31 ftFrequently Asked Questions
What is the hazard classification of Nielsen South Dam?
Nielsen South Dam 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 Nielsen South Dam?
Nielsen South Dam is owned by Larry D & WF Nielsen (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Nielsen South Dam built?
Nielsen South Dam was completed in 1990, making it 36 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 Nielsen South Dam?
Nielsen South Dam serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Nielsen South Dam?
Nielsen South Dam has a dam height of 22 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 Nielsen South Dam last inspected?
Nielsen South Dam was last inspected on September 25, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.