Holiday Lake Dam
Key Takeaway
Holiday Lake Dam is classified as high hazard in Illinois. It was completed in 1965 and is 61 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 | 41 ft (taller than 84.9% in IL) |
| Dam Length | 1,110 ft |
| Dam Type | Earth |
| Max Storage | 10.2K acre-ft |
| Normal Storage | 2.2K acre-ft |
| Surface Area | 295 acres |
| Drainage Area | 65 sq mi |
| Max Discharge | 30,580 cfs |
| Year Completed | 1965 (61 years old) |
| NID ID | IL00458 |
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
LAKE HOLIDAY PROPERTY OWNERS ASSOCIATION
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Holiday Lake Dam?
Holiday 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 Holiday Lake Dam?
Holiday Lake Dam is owned by LAKE HOLIDAY PROPERTY OWNERS ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Holiday Lake Dam built?
Holiday Lake Dam was completed in 1965, making it 61 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 Holiday Lake Dam?
Holiday 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 Holiday Lake Dam?
Holiday Lake Dam has a dam height of 41 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 Holiday Lake Dam last inspected?
Holiday Lake Dam was last inspected on October 9, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.