Apple Canyon Lake Dam
Key Takeaway
Apple Canyon Lake Dam is classified as high hazard in Illinois. It was completed in 1978 and is 48 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 | 78 ft (taller than 98.1% in IL) |
| Dam Length | 1,100 ft |
| Dam Type | Rockfill |
| Max Storage | 14.6K acre-ft |
| Normal Storage | 11.4K acre-ft |
| Surface Area | 440 acres |
| Drainage Area | 15 sq mi |
| Max Discharge | 5,607 cfs |
| Year Completed | 1978 (48 years old) |
| NID ID | IL00132 |
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
APPLE CANYON LAKE PROPERTY OWNERS ASSOC.
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Apple Canyon Lake Dam?
Apple Canyon 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 Apple Canyon Lake Dam?
Apple Canyon Lake Dam is owned by APPLE CANYON LAKE PROPERTY OWNERS ASSOC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Apple Canyon Lake Dam built?
Apple Canyon Lake Dam was completed in 1978, making it 48 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 Apple Canyon Lake Dam?
Apple Canyon 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 Apple Canyon Lake Dam?
Apple Canyon Lake Dam has a dam height of 78 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 Apple Canyon Lake Dam last inspected?
Apple Canyon Lake Dam was last inspected on July 30, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.