Coon Rapids
Key Takeaway
Coon Rapids is classified as significant hazard in Minnesota. It was completed in 1913 and is 113 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 30 ft (taller than 82.5% in MN) |
| Dam Length | 2,008 ft |
| Dam Type | Gravity |
| Max Storage | 2.0K acre-ft |
| Normal Storage | 1.4K acre-ft |
| Surface Area | 160 acres |
| Drainage Area | 19,219 sq mi |
| Max Discharge | 130,000 cfs |
| Year Completed | 1913 (113 years old) |
| NID ID | MN00507 |
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
Three Rivers Park District
Local Government
Nearby Dams
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Low Hazard 9 ftFrequently Asked Questions
What is the hazard classification of Coon Rapids?
Coon Rapids 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 Coon Rapids?
Coon Rapids is owned by Three Rivers Park District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Coon Rapids built?
Coon Rapids was completed in 1913, making it 113 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 Coon Rapids?
Coon Rapids serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Coon Rapids?
Coon Rapids has a dam height of 30 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 Coon Rapids last inspected?
Coon Rapids was last inspected on May 13, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.