Coles Lake Dam
Key Takeaway
Coles Lake Dam is classified as low hazard in Illinois. It was completed in 1923 and is 103 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 22 ft (taller than 35.1% in IL) |
| Dam Length | 302 ft |
| Dam Type | Earth |
| Max Storage | 84 acre-ft |
| Normal Storage | 52 acre-ft |
| Year Completed | 1923 (103 years old) |
| NID ID | IL00887 |
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
DALE COLE
Private
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Low Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Coles Lake Dam?
Coles 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 Coles Lake Dam?
Coles Lake Dam is owned by DALE COLE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Coles Lake Dam built?
Coles Lake Dam was completed in 1923, making it 103 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 Coles Lake Dam?
Coles Lake Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Coles Lake Dam?
Coles Lake Dam has a dam height of 22 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 Coles Lake Dam last inspected?
Coles Lake Dam was last inspected on June 2, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.