Crescent Lake Dam
Key Takeaway
Crescent Lake Dam is classified as significant hazard in Illinois. It was completed in 1900 and is 126 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 31 ft (taller than 66.2% in IL) |
| Dam Length | 475 ft |
| Dam Type | Earth |
| Max Storage | 249 acre-ft |
| Normal Storage | 186 acre-ft |
| Year Completed | 1900 (126 years old) |
| NID ID | IL00443 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
CRESCENT LAKE CLUB
Private
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Low Hazard 32 ftFrequently Asked Questions
What is the hazard classification of Crescent Lake Dam?
Crescent Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Crescent Lake Dam?
Crescent Lake Dam is owned by CRESCENT LAKE CLUB (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Crescent Lake Dam built?
Crescent Lake 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 Crescent Lake Dam?
Crescent 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 Crescent Lake Dam?
Crescent Lake Dam has a dam height of 31 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 Crescent Lake Dam last inspected?
Crescent Lake Dam was last inspected on April 12, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.