Moose Lake 1
Key Takeaway
Moose Lake 1 is classified as high hazard in Wisconsin. It was completed in 1897 and is 129 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 | 23 ft (taller than 67% in WI) |
| Dam Length | 840 ft |
| Dam Type | Gravity |
| Max Storage | 27.5K acre-ft |
| Normal Storage | 12.5K acre-ft |
| Surface Area | 1,670 acres |
| Drainage Area | 225 sq mi |
| Max Discharge | 3,770 cfs |
| Year Completed | 1897 (129 years old) |
| NID ID | WI00195 |
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
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What is the hazard classification of Moose Lake 1?
Moose Lake 1 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 Moose Lake 1?
Moose Lake 1 is owned by Xcel Energy (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Moose Lake 1 built?
Moose Lake 1 was completed in 1897, making it 129 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 Moose Lake 1?
Moose Lake 1 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 Moose Lake 1?
Moose Lake 1 has a dam height of 23 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 Moose Lake 1 last inspected?
Moose Lake 1 was last inspected on September 16, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.