Rose Lake
Key Takeaway
Rose Lake is classified as significant hazard in Minnesota. It was completed in 1919 and is 107 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 16 ft (taller than 53.5% in MN) |
| Dam Length | 200 ft |
| Dam Type | Gravity |
| Max Storage | 207 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 108 acres |
| Drainage Area | 76 sq mi |
| Max Discharge | 2,485 cfs |
| Year Completed | 1919 (107 years old) |
| Year Modified | 2005 |
| NID ID | MN00662 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
County of Otter Tail - Hwy
Local Government
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Low Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Rose Lake?
Rose Lake is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Rose Lake?
Rose Lake is owned by County of Otter Tail - Hwy (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rose Lake built?
Rose Lake was completed in 1919, making it 107 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 Rose Lake?
Rose Lake serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Rose Lake?
Rose Lake has a dam height of 16 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 Rose Lake last inspected?
Rose Lake was last inspected on September 22, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.