Lake Duquoin Dam
Key Takeaway
Lake Duquoin Dam is classified as significant hazard in Illinois. It was completed in 1937 and is 89 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 18 ft (taller than 24.2% in IL) |
| Dam Length | 700 ft |
| Dam Type | Earth |
| Max Storage | 2.5K acre-ft |
| Normal Storage | 1.4K acre-ft |
| Year Completed | 1937 (89 years old) |
| NID ID | IL00535 |
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
CITY OF DUQUOIN
Local Government
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Lake Duquoin Dam?
Lake Duquoin 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 Duquoin Dam?
Lake Duquoin Dam is owned by CITY OF DUQUOIN (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Duquoin Dam built?
Lake Duquoin Dam was completed in 1937, making it 89 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 Duquoin Dam?
Lake Duquoin 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 Duquoin Dam?
Lake Duquoin Dam has a dam height of 18 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 Duquoin Dam last inspected?
Lake Duquoin Dam was last inspected on August 11, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.