Wynne Lake
Key Takeaway
Wynne Lake is classified as low hazard in Minnesota. It was completed in 1944 and is 82 years old. Its primary use is other.
Physical Details
| Dam Height | 12 ft (taller than 41.3% in MN) |
| Dam Length | 119 ft |
| Dam Type | Gravity |
| Max Storage | 7.7K acre-ft |
| Normal Storage | 7.0K acre-ft |
| Drainage Area | 146 sq mi |
| Max Discharge | 7,105 cfs |
| Year Completed | 1944 (82 years old) |
| NID ID | MN00098 |
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
MNDNR
State Government
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Significant Hazard 60 ftFrequently Asked Questions
What is the hazard classification of Wynne Lake?
Wynne Lake 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 Wynne Lake?
Wynne Lake is owned by MNDNR (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Wynne Lake built?
Wynne Lake was completed in 1944, making it 82 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 Wynne Lake?
Wynne Lake serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Wynne Lake?
Wynne Lake has a dam height of 12 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 Wynne Lake last inspected?
Wynne Lake was last inspected on September 15, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.