Lake Lorraine Dam
Key Takeaway
Lake Lorraine Dam is classified as high hazard in Illinois. It was completed in 1900 and is 126 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 19 ft (taller than 26.3% in IL) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 146 acre-ft |
| Normal Storage | 68 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 615 cfs |
| Year Completed | 1900 (126 years old) |
| NID ID | IL00368 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
LAKE LORRAINE PROPERTY OWNERS ASSOC.
Private
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Significant Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Lake Lorraine Dam?
Lake Lorraine Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Lake Lorraine Dam?
Lake Lorraine Dam is owned by LAKE LORRAINE PROPERTY OWNERS ASSOC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Lorraine Dam built?
Lake Lorraine Dam was completed in 1900, making it 126 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 Lorraine Dam?
Lake Lorraine 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 Lorraine Dam?
Lake Lorraine Dam has a dam height of 19 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 Lorraine Dam last inspected?
Lake Lorraine Dam was last inspected on June 8, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.