Norman Dam
Key Takeaway
Norman Dam is classified as significant hazard in Nebraska. It was completed in 1927 and is 99 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 40 ft (taller than 90.3% in NE) |
| Dam Length | 550 ft |
| Dam Type | Earth |
| Max Storage | 1.5K acre-ft |
| Normal Storage | 776 acre-ft |
| Surface Area | 78 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 785 cfs |
| Year Completed | 1927 (99 years old) |
| NID ID | NE00801 |
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
Cynthia Walgren et al
Private
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Low Hazard 19 ftFrequently Asked Questions
What is the hazard classification of Norman Dam?
Norman Dam 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 Norman Dam?
Norman Dam is owned by Cynthia Walgren et al (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Norman Dam built?
Norman Dam was completed in 1927, making it 99 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 Norman Dam?
Norman 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 Norman Dam?
Norman Dam has a dam height of 40 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 Norman Dam last inspected?
Norman Dam was last inspected on April 7, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.