Collins Marsh
Key Takeaway
Collins Marsh is classified as low hazard in Wisconsin. It was completed in 1965 and is 61 years old. Its primary use is recreation.
Physical Details
| Dam Height | 10 ft (taller than 17.3% in WI) |
| Dam Length | 800 ft |
| Dam Type | Gravity |
| Max Storage | 7.0K acre-ft |
| Normal Storage | 1.0K acre-ft |
| Surface Area | 2,000 acres |
| Drainage Area | 59 sq mi |
| Max Discharge | 4,470 cfs |
| Year Completed | 1965 (61 years old) |
| NID ID | WI00657 |
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
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Collins Marsh?
Collins 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 Collins Marsh?
Collins Marsh 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 Collins Marsh built?
Collins Marsh was completed in 1965, making it 61 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 Collins Marsh?
Collins Marsh 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 Collins Marsh?
Collins Marsh has a dam height of 10 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 Collins Marsh last inspected?
Collins Marsh was last inspected on September 14, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.