Oian Dahl Detention
Key Takeaway
Oian Dahl Detention is classified as low hazard in Minnesota. It was completed in 1992 and is 34 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 26 ft (taller than 74.2% in MN) |
| Dam Length | 280 ft |
| Dam Type | Earth |
| Max Storage | 37 acre-ft |
| Normal Storage | 8 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 20 cfs |
| Year Completed | 1992 (34 years old) |
| NID ID | MN01019 |
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
Oian and Dahl
Private
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Low Hazard 29 ftFrequently Asked Questions
What is the hazard classification of Oian Dahl Detention?
Oian Dahl 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 Oian Dahl Detention?
Oian Dahl Detention is owned by Oian and Dahl (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Oian Dahl Detention built?
Oian Dahl Detention 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 Oian Dahl Detention?
Oian Dahl 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 Oian Dahl Detention?
Oian Dahl Detention has a dam height of 26 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 Oian Dahl Detention last inspected?
Oian Dahl Detention was last inspected on June 6, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.