Pewaukee
Key Takeaway
Pewaukee is classified as high hazard in Wisconsin. It was completed in 1842 and is 184 years old. Its primary use is recreation. 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 | 14 ft (taller than 40.1% in WI) |
| Dam Length | 800 ft |
| Dam Type | Gravity |
| Max Storage | 36.9K acre-ft |
| Normal Storage | 15.0K acre-ft |
| Surface Area | 2,493 acres |
| Drainage Area | 28 sq mi |
| Max Discharge | 120 cfs |
| Year Completed | 1842 (184 years old) |
| NID ID | WI00336 |
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
Village Of Pewaukee
Local Government
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Low Hazard 16 ftFrequently Asked Questions
What is the hazard classification of Pewaukee?
Pewaukee 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 Pewaukee?
Pewaukee is owned by Village Of Pewaukee (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Pewaukee built?
Pewaukee was completed in 1842, making it 184 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 Pewaukee?
Pewaukee serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Pewaukee?
Pewaukee has a dam height of 14 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 Pewaukee last inspected?
Pewaukee was last inspected on September 28, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.