Grande Park Subdivision Detention As-7 Dam
Grande Park Subdivision Detention As-7 Dam is an earth dam located in Kendall County, Illinois, built in 2004. It carries a Low hazard potential classification.
About Grande Park Subdivision Detention As-7 Dam
The primary purpose of Grande Park Subdivision Detention As-7 Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Grande Park Community Association (private). It impounds the East Trib East Br Aux Sable Cr near Plainfield.
The dam stands 8 feet tall and stretches 750 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 114 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 2004, the structure is relatively new.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 05/25/2023.
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Location
| State | Illinois |
| County | Kendall |
| Nearest City | Plainfield |
| River/Stream | East Trib East Br Aux Sable Cr |
| Coordinates | 41.63842, -88.27449 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 750 ft |
| Year Completed | 2004 (22 years old) |
Storage & Hydraulics
| NID Storage | 114 acre-ft |
| Max Storage | 114 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,022 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | GRANDE PARK COMMUNITY ASSOCIATION |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 05/25/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL50520 |
| Federal ID | IL50520 |
| More Info | State Dam Safety Program |