Lake Koronis
Key Takeaway
Lake Koronis is classified as low hazard in Minnesota. It was completed in 1989 and is 37 years old. Its primary use is recreation.
Physical Details
| Dam Height | 9 ft (taller than 25.1% in MN) |
| Dam Type | Concrete |
| Max Storage | 90.0K acre-ft |
| Normal Storage | 9.1K acre-ft |
| Surface Area | 3,034 acres |
| Drainage Area | 307 sq mi |
| Year Completed | 1989 (37 years old) |
| NID ID | MN01547 |
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
State Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Lake Koronis?
Lake Koronis 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 Lake Koronis?
Lake Koronis is owned by information not available (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Koronis built?
Lake Koronis was completed in 1989, making it 37 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 Lake Koronis?
Lake Koronis 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 Lake Koronis?
Lake Koronis has a dam height of 9 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 Lake Koronis last inspected?
Lake Koronis was last inspected on October 4, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.