Simonson Detention
Key Takeaway
Simonson Detention is classified as low hazard in Minnesota. It was completed in 1967 and is 59 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 27 ft (taller than 77.1% in MN) |
| Dam Length | 408 ft |
| Dam Type | Earth |
| Max Storage | 49 acre-ft |
| Normal Storage | 1 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 700 cfs |
| Year Completed | 1967 (59 years old) |
| NID ID | MN00434 |
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
Merry, Steve
Private
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High Hazard 55 ftFrequently Asked Questions
What is the hazard classification of Simonson Detention?
Simonson 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 Simonson Detention?
Simonson Detention is owned by Merry, Steve (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Simonson Detention built?
Simonson Detention was completed in 1967, making it 59 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 Simonson Detention?
Simonson 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 Simonson Detention?
Simonson Detention has a dam height of 27 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 Simonson Detention last inspected?
Simonson Detention was last inspected on July 21, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.