Richards Mill
Key Takeaway
Richards Mill is classified as significant hazard in Wisconsin. It was completed in 1882 and is 144 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 13 ft (taller than 35.2% in WI) |
| Dam Length | 300 ft |
| Dam Type | Gravity |
| Max Storage | 220 acre-ft |
| Normal Storage | 119 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 12 sq mi |
| Max Discharge | 218 cfs |
| Year Completed | 1882 (144 years old) |
| NID ID | WI00159 |
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
Lake Emery Rehabilitation District
Local Government
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Low Hazard 16 ftFrequently Asked Questions
What is the hazard classification of Richards Mill?
Richards 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 Richards Mill?
Richards Mill is owned by Lake Emery Rehabilitation District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Richards Mill built?
Richards Mill was completed in 1882, making it 144 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 Richards Mill?
Richards 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 Richards Mill?
Richards Mill has a dam height of 13 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 Richards Mill last inspected?
Richards Mill was last inspected on June 17, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.