Alderly Mill
Key Takeaway
Alderly Mill is classified as low hazard in Wisconsin. It was completed in 1962 and is 64 years old. Its primary use is recreation.
Physical Details
| Dam Height | 9 ft (taller than 12% in WI) |
| Dam Length | 220 ft |
| Dam Type | Gravity |
| Max Storage | 90 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 24 sq mi |
| Max Discharge | 206 cfs |
| Year Completed | 1962 (64 years old) |
| NID ID | WI00562 |
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
Deertrak Golf Club
Private
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Low Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Alderly Mill?
Alderly Mill 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 Alderly Mill?
Alderly Mill is owned by Deertrak Golf Club (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Alderly Mill built?
Alderly Mill was completed in 1962, making it 64 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 Alderly Mill?
Alderly 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 Alderly Mill?
Alderly Mill 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 Alderly Mill last inspected?
Alderly Mill was last inspected on December 3, 2012. Inspection dates indicate when a formal review occurred, not the results of that inspection.