Ann 6
Key Takeaway
Ann 6 is classified as low hazard in Minnesota. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 26 ft (taller than 74.2% in MN) |
| Dam Length | 1,000 ft |
| Dam Type | Rockfill |
| Max Storage | 425 acre-ft |
| Drainage Area | 5 sq mi |
| NID ID | MN01754 |
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 Cottonwood
Local Government
Nearby Dams
Duncan Avenue
Redwood, MN
Low Hazard 26 ftHolly 2
Murray, MN
Low Hazard 29 ftWalnut Grove
Redwood, MN
Significant Hazard 54 ftNorth Hero 35
Redwood, MN
Low Hazard 21 ftHolly 10
Murray, MN
Low Hazard 35 ftHolly 9
Murray, MN
Low Hazard 40 ftHolly 16
Murray, MN
Low Hazard 25 ftNorth Hero 10
Redwood, MN
Low Hazard 32 ftFrequently Asked Questions
What is the hazard classification of Ann 6?
Ann 6 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 Ann 6?
Ann 6 is owned by County of Cottonwood (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Ann 6?
Ann 6 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 Ann 6?
Ann 6 has a dam height of 26 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 Ann 6 last inspected?
Ann 6 was last inspected on April 5, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.