Rest Lake
Key Takeaway
Rest Lake is classified as high hazard in Wisconsin. It was completed in 1925 and is 101 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 | 25 ft (taller than 70.9% in WI) |
| Dam Length | 320 ft |
| Dam Type | Gravity |
| Max Storage | 68.0K acre-ft |
| Normal Storage | 32.0K acre-ft |
| Surface Area | 4,200 acres |
| Drainage Area | 243 sq mi |
| Max Discharge | 7,570 cfs |
| Year Completed | 1925 (101 years old) |
| NID ID | WI00211 |
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
Xcel Energy
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Rest Lake?
Rest Lake 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 Rest Lake?
Rest Lake is owned by Xcel Energy (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rest Lake built?
Rest Lake was completed in 1925, making it 101 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 Rest Lake?
Rest Lake 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 Rest Lake?
Rest Lake has a dam height of 25 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 Rest Lake last inspected?
Rest Lake was last inspected on June 28, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.