Arlington Detention
Key Takeaway
Arlington Detention is classified as significant hazard in Minnesota. It was completed in 1989 and is 37 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 10 ft (taller than 30.9% in MN) |
| Dam Length | 735 ft |
| Dam Type | Earth |
| Max Storage | 50 acre-ft |
| Normal Storage | 3 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 1,800 cfs |
| Year Completed | 1989 (37 years old) |
| NID ID | MN01013 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
City of St. Paul
Local Government
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Significant Hazard 41 ftFrequently Asked Questions
What is the hazard classification of Arlington Detention?
Arlington Detention is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Arlington Detention?
Arlington Detention is owned by City of St. Paul (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Arlington Detention built?
Arlington Detention was completed in 1989, making it 37 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 Arlington Detention?
Arlington 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 Arlington Detention?
Arlington Detention has a dam height of 10 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 Arlington Detention last inspected?
Arlington Detention was last inspected on May 23, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.