Lanesboro
Key Takeaway
Lanesboro is classified as high hazard in Minnesota. It was completed in 1868 and is 158 years old. Its primary use is hydroelectric. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 34 ft (taller than 89% in MN) |
| Dam Length | 193 ft |
| Dam Type | Other |
| Max Storage | 1.0K acre-ft |
| Normal Storage | 110 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 297 sq mi |
| Max Discharge | 16,700 cfs |
| Year Completed | 1868 (158 years old) |
| NID ID | MN00517 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
City of Lanesboro
Local Government
Nearby Dams
Sorenson Group
Fillmore, MN
Low Hazard 26 ftHolt 19
Fillmore, MN
Low Hazard 32 ftHorihan-Herrick
Fillmore, MN
Low Hazard 34 ftCarrolton 12
Fillmore, MN
Low Hazard 26 ftHorihan-Hazel Group
Fillmore, MN
Significant Hazard 29 ftRuen Pond
Fillmore, MN
Low Hazard 26 ftFillmore County Road 21
Fillmore, MN
Significant Hazard 31 ftLawstuen Pond
Fillmore, MN
Low Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Lanesboro?
Lanesboro is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Lanesboro?
Lanesboro is owned by City of Lanesboro (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lanesboro built?
Lanesboro was completed in 1868, making it 158 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 Lanesboro?
Lanesboro serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lanesboro?
Lanesboro has a dam height of 34 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 Lanesboro last inspected?
Lanesboro was last inspected on April 26, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.