South Zumbro Sr-2
Key Takeaway
South Zumbro Sr-2 is classified as high hazard in Minnesota. It was completed in 1992 and is 34 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 45 ft (taller than 94.9% in MN) |
| Dam Length | 990 ft |
| Dam Type | Earth |
| Max Storage | 3.3K acre-ft |
| Normal Storage | 721 acre-ft |
| Surface Area | 98 acres |
| Drainage Area | 10 sq mi |
| Max Discharge | 129 cfs |
| Year Completed | 1992 (34 years old) |
| NID ID | MN00989 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
City of Rochester
Local Government
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High Hazard 56 ftFrequently Asked Questions
What is the hazard classification of South Zumbro Sr-2?
South Zumbro Sr-2 is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates South Zumbro Sr-2?
South Zumbro Sr-2 is owned by City of Rochester (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was South Zumbro Sr-2 built?
South Zumbro Sr-2 was completed in 1992, making it 34 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 South Zumbro Sr-2?
South Zumbro Sr-2 serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is South Zumbro Sr-2?
South Zumbro Sr-2 has a dam height of 45 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 South Zumbro Sr-2 last inspected?
South Zumbro Sr-2 was last inspected on April 19, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.