Kilbourn
Key Takeaway
Kilbourn is classified as high hazard in Wisconsin. It was completed in 1909 and is 117 years old. Its primary use is hydroelectric. 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 | 61 ft (taller than 99.1% in WI) |
| Dam Length | 560 ft |
| Dam Type | Gravity |
| Max Storage | 36.0K acre-ft |
| Normal Storage | 18.5K acre-ft |
| Surface Area | 1,868 acres |
| Drainage Area | 7,746 sq mi |
| Max Discharge | 80,690 cfs |
| Year Completed | 1909 (117 years old) |
| NID ID | WI00005 |
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
Alliant Energy
Private
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Low Hazard 23 ftFrequently Asked Questions
What is the hazard classification of Kilbourn?
Kilbourn 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 Kilbourn?
Kilbourn is owned by Alliant Energy (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Kilbourn built?
Kilbourn was completed in 1909, making it 117 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 Kilbourn?
Kilbourn serves the following purposes: Hydroelectric, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Kilbourn?
Kilbourn has a dam height of 61 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 Kilbourn last inspected?
Kilbourn was last inspected on June 2, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.