Van Der Molen Dam
Key Takeaway
Van Der Molen Dam is classified as low hazard in Illinois. It was completed in 1984 and is 42 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 8 ft (taller than 2.5% in IL) |
| Dam Length | 940 ft |
| Dam Type | Earth |
| Max Storage | 99 acre-ft |
| Normal Storage | 0 acre-ft |
| Max Discharge | 571 cfs |
| Year Completed | 1984 (42 years old) |
| NID ID | IL50012 |
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
DUPAGE COUNTY FOREST PRESERVE DISTRICT
Private
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High Hazard 11 ftFrequently Asked Questions
What is the hazard classification of Van Der Molen Dam?
Van Der Molen 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 Van Der Molen Dam?
Van Der Molen Dam is owned by DUPAGE COUNTY FOREST PRESERVE DISTRICT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Van Der Molen Dam built?
Van Der Molen Dam was completed in 1984, making it 42 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 Van Der Molen Dam?
Van Der Molen 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 Van Der Molen Dam?
Van Der Molen Dam has a dam height of 8 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 Van Der Molen Dam last inspected?
Van Der Molen Dam was last inspected on July 18, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.