Fann Detention
Key Takeaway
Fann Detention is classified as low hazard in Minnesota. It was completed in 1993 and is 33 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 30 ft (taller than 82.5% in MN) |
| Dam Length | 350 ft |
| Dam Type | Earth |
| Max Storage | 24 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 200 cfs |
| Year Completed | 1993 (33 years old) |
| NID ID | MN01384 |
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
Fann, Lorraine
Private
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Low Hazard 33 ftFrequently Asked Questions
What is the hazard classification of Fann Detention?
Fann Detention 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 Fann Detention?
Fann Detention is owned by Fann, Lorraine (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Fann Detention built?
Fann Detention was completed in 1993, making it 33 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 Fann Detention?
Fann Detention 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 Fann Detention?
Fann Detention has a dam height of 30 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 Fann Detention last inspected?
Fann Detention was last inspected on June 6, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.