Stanley Mill
Key Takeaway
Stanley Mill is classified as significant hazard in Wisconsin. It was completed in 1890 and is 136 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 22 ft (taller than 64.9% in WI) |
| Dam Length | 670 ft |
| Dam Type | Gravity |
| Max Storage | 400 acre-ft |
| Normal Storage | 150 acre-ft |
| Surface Area | 34 acres |
| Drainage Area | 31 sq mi |
| Max Discharge | 4,160 cfs |
| Year Completed | 1890 (136 years old) |
| NID ID | WI00107 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
City Of Stanley
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Stanley Mill?
Stanley Mill is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Stanley Mill?
Stanley Mill is owned by City Of Stanley (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Stanley Mill built?
Stanley Mill was completed in 1890, making it 136 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 Stanley Mill?
Stanley Mill 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 Stanley Mill?
Stanley Mill has a dam height of 22 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 Stanley Mill last inspected?
Stanley Mill was last inspected on May 18, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.