Ormsby
Key Takeaway
Ormsby is classified as low hazard in Wisconsin. It was completed in 1901 and is 125 years old. Its primary use is recreation.
Physical Details
| Dam Height | 12 ft (taller than 30.4% in WI) |
| Dam Length | 380 ft |
| Dam Type | Gravity |
| Max Storage | 125 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 24 acres |
| Drainage Area | 18 sq mi |
| Max Discharge | 884 cfs |
| Year Completed | 1901 (125 years old) |
| NID ID | WI00691 |
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
Pstragowski, Barbara
Private
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Low Hazard 8 ftFrequently Asked Questions
What is the hazard classification of Ormsby?
Ormsby 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 Ormsby?
Ormsby is owned by Pstragowski, Barbara (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ormsby built?
Ormsby was completed in 1901, making it 125 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 Ormsby?
Ormsby 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 Ormsby?
Ormsby has a dam height of 12 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 Ormsby last inspected?
Ormsby was last inspected on July 12, 2012. Inspection dates indicate when a formal review occurred, not the results of that inspection.