Hanning Bros Group Pond
Key Takeaway
Hanning Bros Group Pond is classified as low hazard in Minnesota. It was completed in 1975 and is 51 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 25 ft (taller than 72.3% in MN) |
| Dam Length | 284 ft |
| Dam Type | Earth |
| Max Storage | 92 acre-ft |
| Normal Storage | 11 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 699 cfs |
| Year Completed | 1975 (51 years old) |
| NID ID | MN00860 |
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
Hanning Bros Group
Private
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Low Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Hanning Bros Group Pond?
Hanning Bros Group Pond 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 Hanning Bros Group Pond?
Hanning Bros Group Pond is owned by Hanning Bros Group (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hanning Bros Group Pond built?
Hanning Bros Group Pond was completed in 1975, making it 51 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 Hanning Bros Group Pond?
Hanning Bros Group Pond 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 Hanning Bros Group Pond?
Hanning Bros Group Pond has a dam height of 25 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 Hanning Bros Group Pond last inspected?
Hanning Bros Group Pond was last inspected on June 21, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.