Highway 14 Detention
Key Takeaway
Highway 14 Detention is classified as low hazard in Minnesota. It was completed in 1999 and is 27 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 24 ft (taller than 70.7% in MN) |
| Dam Length | 518 ft |
| Dam Type | Earth |
| Max Storage | 970 acre-ft |
| Drainage Area | 7 sq mi |
| Max Discharge | 171 cfs |
| Year Completed | 1999 (27 years old) |
| NID ID | MN01049 |
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
County of Lyon
Local Government
Nearby Dams
Rock Lake 15
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Low Hazard 13 ftLake Yankton
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Low Hazard 6 ftShelburne 2
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Low Hazard 8 ftBrawner Lake
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Low Hazard 29 ftLyon Cd 14
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Low Hazard 14 ftCoon Creek 34
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Low Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Highway 14 Detention?
Highway 14 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 Highway 14 Detention?
Highway 14 Detention is owned by County of Lyon (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Highway 14 Detention built?
Highway 14 Detention was completed in 1999, making it 27 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 Highway 14 Detention?
Highway 14 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 Highway 14 Detention?
Highway 14 Detention has a dam height of 24 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 Highway 14 Detention last inspected?
Highway 14 Detention was last inspected on August 24, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.