Twp Road 18
Key Takeaway
Twp Road 18 is classified as low hazard in Minnesota. It was completed in 2000 and is 26 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 23 ft (taller than 68.4% in MN) |
| Dam Length | 600 ft |
| Dam Type | Earth |
| Max Storage | 88 acre-ft |
| Normal Storage | 1 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 556 cfs |
| Year Completed | 2000 (26 years old) |
| NID ID | MN01366 |
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
Monroe 13
Lyon, MN
Low Hazard 21 ftMonroe 3
Lyon, MN
Low Hazard 27 ftTracy Road Detention
Redwood, MN
Low Hazard 21 ftSpringdale 19
Redwood, MN
Low Hazard 26 ftMonroe 4
Lyon, MN
Low Hazard 15 ftTwp Road 30 East
Lyon, MN
Low Hazard 22 ftDraayum Pond
Redwood, MN
Low Hazard 30 ftMonroe 8
Lyon, MN
Low Hazard 39 ftFrequently Asked Questions
What is the hazard classification of Twp Road 18?
Twp Road 18 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 Twp Road 18?
Twp Road 18 is owned by County of Lyon (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Twp Road 18 built?
Twp Road 18 was completed in 2000, making it 26 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 Twp Road 18?
Twp Road 18 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 Twp Road 18?
Twp Road 18 has a dam height of 23 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 Twp Road 18 last inspected?
Twp Road 18 was last inspected on March 14, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.