Nelson Dam 605
Key Takeaway
Nelson Dam 605 is classified as significant hazard in Nebraska. It was completed in 1967 and is 59 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 | 34 ft (taller than 79.7% in NE) |
| Dam Length | 500 ft |
| Dam Type | Earth |
| Max Storage | 593 acre-ft |
| Normal Storage | 32 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 3,032 cfs |
| Year Completed | 1967 (59 years old) |
| NID ID | NE00605 |
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
DRAJ LLC
Private
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Significant Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Nelson Dam 605?
Nelson Dam 605 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 Nelson Dam 605?
Nelson Dam 605 is owned by DRAJ LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Nelson Dam 605 built?
Nelson Dam 605 was completed in 1967, making it 59 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 Nelson Dam 605?
Nelson Dam 605 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 Nelson Dam 605?
Nelson Dam 605 has a dam height of 34 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 Nelson Dam 605 last inspected?
Nelson Dam 605 was last inspected on April 27, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.