O'Neil Flowage 1
Key Takeaway
O'Neil Flowage 1 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 | 10 ft (taller than 17.3% in WI) |
| Dam Length | 270 ft |
| Dam Type | Earth |
| Max Storage | 325 acre-ft |
| Normal Storage | 172 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 60 cfs |
| Year Completed | 1965 (61 years old) |
| NID ID | WI01004 |
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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What is the hazard classification of O'Neil Flowage 1?
O'Neil Flowage 1 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 1?
O'Neil Flowage 1 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 1 built?
O'Neil Flowage 1 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 1?
O'Neil Flowage 1 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 1?
O'Neil Flowage 1 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 O'Neil Flowage 1 last inspected?
O'Neil Flowage 1 was last inspected on May 8, 2013. Inspection dates indicate when a formal review occurred, not the results of that inspection.