Irish Lake Dam
Key Takeaway
Irish Lake Dam is classified as low hazard in Illinois. It was completed in 1937 and is 89 years old. Its primary use is recreation.
Physical Details
| Dam Height | 35 ft (taller than 76.2% in IL) |
| Dam Length | 172 ft |
| Dam Type | Earth |
| Max Storage | 53 acre-ft |
| Normal Storage | 31 acre-ft |
| Year Completed | 1937 (89 years old) |
| NID ID | IL00280 |
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
MARY JANE IRISH
Private
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High Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Irish Lake Dam?
Irish Lake Dam 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 Irish Lake Dam?
Irish Lake Dam is owned by MARY JANE IRISH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Irish Lake Dam built?
Irish Lake 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 Irish Lake Dam?
Irish Lake 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 Irish Lake Dam?
Irish Lake Dam has a dam height of 35 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 Irish Lake Dam last inspected?
Irish Lake Dam was last inspected on May 10, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.