Deer Lake Dam
Key Takeaway
Deer Lake Dam is classified as high hazard in Illinois. It was completed in 1985 and is 41 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 | 10 ft (taller than 5.7% in IL) |
| Dam Type | Earth |
| Max Storage | 60 acre-ft |
| Normal Storage | 0 acre-ft |
| Year Completed | 1985 (41 years old) |
| NID ID | IL50249 |
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
DEER LAKE HOMEOWNERS ASSOCIATION
Private
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High Hazard 74 ftFrequently Asked Questions
What is the hazard classification of Deer Lake Dam?
Deer Lake 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 Deer Lake Dam?
Deer Lake Dam is owned by DEER LAKE HOMEOWNERS ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Deer Lake Dam built?
Deer Lake Dam was completed in 1985, making it 41 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 Deer Lake Dam?
Deer 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 Deer Lake Dam?
Deer Lake Dam has a dam height of 10 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 Deer Lake Dam last inspected?
Deer Lake Dam was last inspected on October 2, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.