Cannon River (Woolen Mills)
Key Takeaway
Cannon River (Woolen Mills) is classified as significant hazard in Minnesota. It was completed in 1865 and is 161 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 6 ft (taller than 1.9% in MN) |
| Dam Length | 650 ft |
| Dam Type | Gravity |
| Max Storage | 1.1K acre-ft |
| Normal Storage | 750 acre-ft |
| Surface Area | 54 acres |
| Drainage Area | 332 sq mi |
| Max Discharge | 810 cfs |
| Year Completed | 1865 (161 years old) |
| NID ID | MN00354 |
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 Faribault
Local Government
Nearby Dams
King'S Mill
Rice, MN
High Hazard 17 ftMaas Detention
Rice, MN
Low Hazard 30 ftFrench Lake
Rice, MN
Low Hazard 8 ftMorristown Pond
Rice, MN
Low Hazard 10 ftKomarek Basin 4
Rice, MN
Unknown 5 ftKomarek Basin 1
Rice, MN
Low Hazard 7 ftKomarek Basin 11
Rice, MN
Low Hazard 6 ftHorning-Festler Detention
Rice, MN
Significant Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Cannon River (Woolen Mills)?
Cannon River (Woolen Mills) 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 Cannon River (Woolen Mills)?
Cannon River (Woolen Mills) is owned by City of Faribault (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cannon River (Woolen Mills) built?
Cannon River (Woolen Mills) was completed in 1865, making it 161 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 Cannon River (Woolen Mills)?
Cannon River (Woolen Mills) 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 Cannon River (Woolen Mills)?
Cannon River (Woolen Mills) has a dam height of 6 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 Cannon River (Woolen Mills) last inspected?
Cannon River (Woolen Mills) was last inspected on May 4, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.