Nelssen Dam
Key Takeaway
Nelssen Dam is classified as low hazard in Nebraska. It was completed in 1980 and is 46 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 13 ft (taller than 5.4% in NE) |
| Dam Length | 325 ft |
| Dam Type | Earth |
| Max Storage | 77 acre-ft |
| Normal Storage | 52 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 3 sq mi |
| Year Completed | 1980 (46 years old) |
| NID ID | NE03711 |
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
Marvin J & M Alwilda Nelssen Trustees
Private
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Low Hazard 10 ftFrequently Asked Questions
What is the hazard classification of Nelssen Dam?
Nelssen 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 Nelssen Dam?
Nelssen Dam is owned by Marvin J & M Alwilda Nelssen Trustees (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Nelssen Dam built?
Nelssen Dam was completed in 1980, making it 46 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 Nelssen Dam?
Nelssen Dam 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 Nelssen Dam?
Nelssen Dam has a dam height of 13 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 Nelssen Dam last inspected?
Nelssen Dam was last inspected on November 19, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.