Willis Lake
Key Takeaway
Willis Lake is classified as low hazard in Minnesota. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 9 ft (taller than 25.1% in MN) |
| Dam Type | Earth |
| Max Storage | 500 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 90 acres |
| Drainage Area | 0 sq mi |
| Year Modified | 2003 |
| NID ID | MN01250 |
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-Wildlife
State Government
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Low Hazard 9 ftFrequently Asked Questions
What is the hazard classification of Willis Lake?
Willis 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 Willis Lake?
Willis Lake is owned by MNDNR-Wildlife (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Willis Lake?
Willis Lake serves the following purposes: Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Willis Lake?
Willis Lake has a dam height of 9 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 Willis Lake last inspected?
Willis Lake was last inspected on June 22, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.