Northbridge Subdivision Lake Dam
Northbridge Subdivision Lake Dam is an earth dam located in McLean County, Illinois, built in 1999. It carries a Low hazard potential classification.
About Northbridge Subdivision Lake Dam
The primary purpose of Northbridge Subdivision Lake 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 Twin City Developers, Llc (private). It impounds the Trib Six Mile Creek near Hudson.
The dam stands 11 feet tall and stretches 950 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 120 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1999, the structure is 27 years old.
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 07/13/2022.
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Location
| State | Illinois |
| County | McLean |
| Nearest City | Hudson |
| River/Stream | Trib Six Mile Creek |
| Coordinates | 40.55635, -88.94448 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 950 ft |
| Year Completed | 1999 (27 years old) |
Storage & Hydraulics
| NID Storage | 120 acre-ft |
| Max Storage | 120 acre-ft |
| Normal Storage | 73 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 720 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | TWIN CITY DEVELOPERS, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 07/13/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL50462 |
| Federal ID | IL50462 |
| More Info | State Dam Safety Program |