Roiger Detention
Key Takeaway
Roiger Detention is classified as low hazard in Minnesota. It was completed in 1986 and is 40 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 28 ft (taller than 78.9% in MN) |
| Dam Length | 750 ft |
| Dam Type | Earth |
| Max Storage | 141 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,000 cfs |
| Year Completed | 1986 (40 years old) |
| NID ID | MN00930 |
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
Roiger, Lenis
Private
Nearby Dams
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Significant Hazard 45 ftFrequently Asked Questions
What is the hazard classification of Roiger Detention?
Roiger 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 Roiger Detention?
Roiger Detention is owned by Roiger, Lenis (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Roiger Detention built?
Roiger Detention was completed in 1986, making it 40 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 Roiger Detention?
Roiger 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 Roiger Detention?
Roiger Detention has a dam height of 28 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 Roiger Detention last inspected?
Roiger Detention was last inspected on March 14, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.