Lake Wanahoo Dam
Key Takeaway
Lake Wanahoo Dam is classified as high hazard in Nebraska. It was completed in 2010 and is 16 years old. Its primary use is other. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 53 ft (taller than 97.3% in NE) |
| Dam Length | 4,800 ft |
| Dam Type | Earth |
| Max Storage | 27.4K acre-ft |
| Normal Storage | 7.2K acre-ft |
| Surface Area | 662 acres |
| Drainage Area | 87 sq mi |
| Max Discharge | 63,763 cfs |
| Year Completed | 2010 (16 years old) |
| NID ID | NE03108 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Lower Platte North Natural Resources District
Local Government
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What is the hazard classification of Lake Wanahoo Dam?
Lake Wanahoo Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Lake Wanahoo Dam?
Lake Wanahoo Dam is owned by Lower Platte North Natural Resources District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Wanahoo Dam built?
Lake Wanahoo Dam was completed in 2010, making it 16 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 Lake Wanahoo Dam?
Lake Wanahoo Dam serves the following purposes: Other, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Wanahoo Dam?
Lake Wanahoo Dam has a dam height of 53 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 Lake Wanahoo Dam last inspected?
Lake Wanahoo Dam was last inspected on April 25, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.