Duffy'S Marsh
Key Takeaway
Duffy'S Marsh is classified as low hazard in Wisconsin. It was completed in 1997 and is 29 years old. Its primary use is other.
Physical Details
| Dam Height | 8 ft (taller than 5.5% in WI) |
| Dam Length | 10,000 ft |
| Dam Type | Earth |
| Max Storage | 5.8K acre-ft |
| Surface Area | 1,302 acres |
| Drainage Area | 7 sq mi |
| Year Completed | 1997 (29 years old) |
| NID ID | WI01211 |
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
DUFFY MARSH PROPERTY OWNERS
Private
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High Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Duffy'S Marsh?
Duffy'S Marsh 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 Duffy'S Marsh?
Duffy'S Marsh is owned by DUFFY MARSH PROPERTY OWNERS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Duffy'S Marsh built?
Duffy'S Marsh was completed in 1997, making it 29 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 Duffy'S Marsh?
Duffy'S Marsh serves the following purposes: Other, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Duffy'S Marsh?
Duffy'S Marsh has a dam height of 8 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 Duffy'S Marsh last inspected?
Duffy'S Marsh was last inspected on April 27, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.