Meacham Grove Main Dam
Key Takeaway
Meacham Grove Main Dam is classified as high hazard in Illinois. It was completed in 1998 and is 28 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 | 11 ft (taller than 8.1% in IL) |
| Dam Length | 650 ft |
| Dam Type | Earth |
| Max Storage | 131 acre-ft |
| Normal Storage | 0 acre-ft |
| Drainage Area | 2 sq mi |
| Max Discharge | 5,550 cfs |
| Year Completed | 1998 (28 years old) |
| NID ID | IL50364 |
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
FOREST PRESERVE DISTRICT OF DUPAGE COUNT
Local Government
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Low Hazard 8 ftFrequently Asked Questions
What is the hazard classification of Meacham Grove Main Dam?
Meacham Grove Main 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 Meacham Grove Main Dam?
Meacham Grove Main Dam is owned by FOREST PRESERVE DISTRICT OF DUPAGE COUNT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Meacham Grove Main Dam built?
Meacham Grove Main Dam was completed in 1998, making it 28 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 Meacham Grove Main Dam?
Meacham Grove Main 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 Meacham Grove Main Dam?
Meacham Grove Main Dam has a dam height of 11 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 Meacham Grove Main Dam last inspected?
Meacham Grove Main Dam was last inspected on July 21, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.