Lake Mingo Dam
Key Takeaway
Lake Mingo Dam is classified as significant hazard in Illinois. It was completed in 1981 and is 45 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 47 ft (taller than 89.6% in IL) |
| Dam Length | 920 ft |
| Dam Type | Earth |
| Max Storage | 4.3K acre-ft |
| Normal Storage | 2.3K acre-ft |
| Surface Area | 628 acres |
| Drainage Area | 35 sq mi |
| Max Discharge | 16,256 cfs |
| Year Completed | 1981 (45 years old) |
| NID ID | IL50038 |
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
VERMILION COUNTY CONSERVATION DISTRICT
Local Government
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Low Hazard 31 ftFrequently Asked Questions
What is the hazard classification of Lake Mingo Dam?
Lake Mingo Dam 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 Lake Mingo Dam?
Lake Mingo Dam is owned by VERMILION COUNTY CONSERVATION DISTRICT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Mingo Dam built?
Lake Mingo Dam was completed in 1981, making it 45 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 Mingo Dam?
Lake Mingo Dam 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 Mingo Dam?
Lake Mingo Dam has a dam height of 47 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 Mingo Dam last inspected?
Lake Mingo Dam was last inspected on August 31, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.