Hawthorn Parkway Dam
Key Takeaway
Hawthorn Parkway Dam is classified as high hazard in Illinois. It was completed in 2001 and is 25 years old. Its primary use is flood risk reduction. 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 | 9 ft (taller than 3.9% in IL) |
| Dam Length | 200 ft |
| Dam Type | Earth |
| Max Storage | 910 acre-ft |
| Normal Storage | 475 acre-ft |
| Year Completed | 2001 (25 years old) |
| NID ID | IL55031 |
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
VILLAGE OF VERNON HILLS
Local Government
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High Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Hawthorn Parkway Dam?
Hawthorn Parkway 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 Hawthorn Parkway Dam?
Hawthorn Parkway Dam is owned by VILLAGE OF VERNON HILLS (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hawthorn Parkway Dam built?
Hawthorn Parkway Dam was completed in 2001, making it 25 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 Hawthorn Parkway Dam?
Hawthorn Parkway Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Hawthorn Parkway Dam?
Hawthorn Parkway Dam has a dam height of 9 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 Hawthorn Parkway Dam last inspected?
Hawthorn Parkway Dam was last inspected on November 11, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.