Monson Flowage
Key Takeaway
Monson Flowage is classified as low hazard in Wisconsin. It was completed in 1962 and is 64 years old. Its primary use is recreation.
Physical Details
| Dam Height | 9 ft (taller than 12% in WI) |
| Dam Length | 290 ft |
| Dam Type | Earth |
| Max Storage | 400 acre-ft |
| Normal Storage | 160 acre-ft |
| Surface Area | 60 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 127 cfs |
| Year Completed | 1962 (64 years old) |
| NID ID | WI00661 |
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
Wisconsin Department of Natural Resources
State Government
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Low Hazard 9 ftFrequently Asked Questions
What is the hazard classification of Monson Flowage?
Monson Flowage 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 Monson Flowage?
Monson Flowage is owned by Wisconsin Department of Natural Resources (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Monson Flowage built?
Monson Flowage was completed in 1962, making it 64 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 Monson Flowage?
Monson Flowage 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 Monson Flowage?
Monson Flowage 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 Monson Flowage last inspected?
Monson Flowage was last inspected on June 15, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.