O'Neil Flowage 2
Key Takeaway
O'Neil Flowage 2 is classified as low hazard in Wisconsin. It was completed in 1965 and is 61 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 9 ft (taller than 12% in WI) |
| Dam Length | 270 ft |
| Dam Type | Earth |
| Max Storage | 630 acre-ft |
| Normal Storage | 135 acre-ft |
| Surface Area | 91 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 60 cfs |
| Year Completed | 1965 (61 years old) |
| NID ID | WI01003 |
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
Chippewa County
Local Government
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of O'Neil Flowage 2?
O'Neil Flowage 2 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 O'Neil Flowage 2?
O'Neil Flowage 2 is owned by Chippewa County (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was O'Neil Flowage 2 built?
O'Neil Flowage 2 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 O'Neil Flowage 2?
O'Neil Flowage 2 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 O'Neil Flowage 2?
O'Neil Flowage 2 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 O'Neil Flowage 2 last inspected?
O'Neil Flowage 2 was last inspected on May 9, 2013. Inspection dates indicate when a formal review occurred, not the results of that inspection.