Coolidge Creek Dam
Key Takeaway
Coolidge Creek Dam is classified as low hazard in Illinois. It was completed in 1998 and is 28 years old. Its primary use is recreation.
Physical Details
| Dam Height | 22 ft (taller than 35.1% in IL) |
| Dam Length | 1,600 ft |
| Dam Type | Earth |
| Max Storage | 1.6K acre-ft |
| Normal Storage | 507 acre-ft |
| Surface Area | 83 acres |
| Drainage Area | 11 sq mi |
| Max Discharge | 5,860 cfs |
| Year Completed | 1998 (28 years old) |
| NID ID | IL50386 |
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
WILLIAM CHARLES INVESTMENTS
Private
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High Hazard 8 ftFrequently Asked Questions
What is the hazard classification of Coolidge Creek Dam?
Coolidge Creek 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 Coolidge Creek Dam?
Coolidge Creek Dam is owned by WILLIAM CHARLES INVESTMENTS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Coolidge Creek Dam built?
Coolidge Creek Dam was completed in 1998, making it 28 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 Coolidge Creek Dam?
Coolidge Creek 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 Coolidge Creek Dam?
Coolidge Creek 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 Coolidge Creek Dam last inspected?
Coolidge Creek Dam was last inspected on July 15, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.