Lehmann Pond
Key Takeaway
Lehmann Pond is classified as low hazard in Minnesota. It was completed in 1968 and is 58 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 12 ft (taller than 41.3% in MN) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 250 acre-ft |
| Normal Storage | 250 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 140 cfs |
| Year Completed | 1968 (58 years old) |
| NID ID | MN00488 |
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
Lehman, Gary
Private
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Low Hazard 9 ftFrequently Asked Questions
What is the hazard classification of Lehmann Pond?
Lehmann Pond 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 Lehmann Pond?
Lehmann Pond is owned by Lehman, Gary (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lehmann Pond built?
Lehmann Pond was completed in 1968, making it 58 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 Lehmann Pond?
Lehmann Pond 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 Lehmann Pond?
Lehmann Pond has a dam height of 12 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 Lehmann Pond last inspected?
Lehmann Pond was last inspected on August 1, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.