Williamson Dam
Key Takeaway
Williamson Dam is classified as low hazard in Nebraska. It was completed in 2001 and is 25 years old. Its primary use is other.
Physical Details
| Dam Height | 29 ft (taller than 63.8% in NE) |
| Dam Length | 388 ft |
| Dam Type | Earth |
| Max Storage | 25 acre-ft |
| Normal Storage | 11 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 505 cfs |
| Year Completed | 2001 (25 years old) |
| NID ID | NE02658 |
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
Guy C Williamson Trustee
Private
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Low Hazard 44 ftFrequently Asked Questions
What is the hazard classification of Williamson Dam?
Williamson 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 Williamson Dam?
Williamson Dam is owned by Guy C Williamson Trustee (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Williamson Dam built?
Williamson Dam was completed in 2001, making it 25 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 Williamson Dam?
Williamson 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 Williamson Dam?
Williamson Dam has a dam height of 29 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 Williamson Dam last inspected?
Williamson Dam was last inspected on May 22, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.