Lake Le-Aqua-Na Dam
Key Takeaway
Lake Le-Aqua-Na Dam is classified as significant hazard in Illinois. It was completed in 1955 and is 71 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 44 ft (taller than 87.3% in IL) |
| Dam Length | 680 ft |
| Dam Type | Earth |
| Max Storage | 1.0K acre-ft |
| Normal Storage | 557 acre-ft |
| Surface Area | 47 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 3,971 cfs |
| Year Completed | 1955 (71 years old) |
| NID ID | IL00137 |
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
ILLINOIS DEPARTMENT OF NATURAL RESOURCES
State Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Lake Le-Aqua-Na Dam?
Lake Le-Aqua-Na 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 Le-Aqua-Na Dam?
Lake Le-Aqua-Na Dam is owned by ILLINOIS DEPARTMENT OF NATURAL RESOURCES (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Le-Aqua-Na Dam built?
Lake Le-Aqua-Na Dam was completed in 1955, making it 71 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 Le-Aqua-Na Dam?
Lake Le-Aqua-Na 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 Le-Aqua-Na Dam?
Lake Le-Aqua-Na Dam has a dam height of 44 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 Le-Aqua-Na Dam last inspected?
Lake Le-Aqua-Na Dam was last inspected on August 2, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.