Crystal Lake Dam
Key Takeaway
Crystal Lake Dam is classified as low hazard in Illinois. It was completed in 1995 and is 31 years old. Its primary use is recreation.
Physical Details
| Dam Height | 18 ft (taller than 24.2% in IL) |
| Dam Length | 455 ft |
| Dam Type | Earth |
| Max Storage | 82 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 250 cfs |
| Year Completed | 1995 (31 years old) |
| NID ID | IL50361 |
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
CRYSTAL LAKE ESTATES HOMEOWNERS ASSOC.
Private
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Low Hazard 43 ftFrequently Asked Questions
What is the hazard classification of Crystal Lake Dam?
Crystal 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 Crystal Lake Dam?
Crystal Lake Dam is owned by CRYSTAL LAKE ESTATES HOMEOWNERS ASSOC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Crystal Lake Dam built?
Crystal Lake Dam was completed in 1995, making it 31 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 Crystal Lake Dam?
Crystal 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 Crystal Lake Dam?
Crystal Lake Dam has a dam height of 18 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 Crystal Lake Dam last inspected?
Crystal Lake Dam was last inspected on March 18, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.