Grande Park Subdivision Detention As-7 Dam
Key Takeaway
Grande Park Subdivision Detention As-7 Dam is classified as low hazard in Illinois. It was completed in 2004 and is 22 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 8 ft (taller than 2.5% in IL) |
| Dam Length | 750 ft |
| Dam Type | Earth |
| Max Storage | 114 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,022 cfs |
| Year Completed | 2004 (22 years old) |
| NID ID | IL50520 |
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
GRANDE PARK COMMUNITY ASSOCIATION
Private
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Low Hazard 10 ftFrequently Asked Questions
What is the hazard classification of Grande Park Subdivision Detention As-7 Dam?
Grande Park Subdivision Detention As-7 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 Grande Park Subdivision Detention As-7 Dam?
Grande Park Subdivision Detention As-7 Dam is owned by GRANDE PARK COMMUNITY ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Grande Park Subdivision Detention As-7 Dam built?
Grande Park Subdivision Detention As-7 Dam was completed in 2004, making it 22 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 Grande Park Subdivision Detention As-7 Dam?
Grande Park Subdivision Detention As-7 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 Grande Park Subdivision Detention As-7 Dam?
Grande Park Subdivision Detention As-7 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 Grande Park Subdivision Detention As-7 Dam last inspected?
Grande Park Subdivision Detention As-7 Dam was last inspected on May 25, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.