Spring Arbor Lake Dam
Key Takeaway
Spring Arbor Lake Dam is classified as high hazard in Illinois. It was completed in 1972 and is 54 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 | 55 ft (taller than 93.6% in IL) |
| Dam Length | 650 ft |
| Dam Type | Earth |
| Max Storage | 2.0K acre-ft |
| Normal Storage | 1.6K acre-ft |
| Surface Area | 87 acres |
| Drainage Area | 68 sq mi |
| Max Discharge | 2,070 cfs |
| Year Completed | 1972 (54 years old) |
| NID ID | IL00065 |
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
SPRING ARBOR LAKE IMPROVEMENT ASSOC.
Private
Nearby Dams
Aquaculture Lake Dam
Jackson, IL
Low Hazard 40 ftLittle Grassy Dam
Williamson, IL
High Hazard 88 ftLake Indian Hills Dam
Jackson, IL
Low Hazard 36 ftStone Creek Golf Club Lake Dam
Jackson, IL
High Hazard 43 ftDevil`S Kitchen Dam
Williamson, IL
High Hazard 83 ftCrab Orchard Dam
Williamson, IL
High Hazard 57 ftCarbondale Reservoir Dam
Jackson, IL
High Hazard 33 ftCampus Lake Dam
Jackson, IL
Significant Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Spring Arbor Lake Dam?
Spring Arbor 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 Spring Arbor Lake Dam?
Spring Arbor Lake Dam is owned by SPRING ARBOR LAKE IMPROVEMENT ASSOC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Spring Arbor Lake Dam built?
Spring Arbor Lake Dam was completed in 1972, making it 54 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 Spring Arbor Lake Dam?
Spring Arbor 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 Spring Arbor Lake Dam?
Spring Arbor Lake Dam has a dam height of 55 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 Spring Arbor Lake Dam last inspected?
Spring Arbor Lake Dam was last inspected on April 7, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.