Churchill Club Dam Basin B Dam
Churchill Club Dam Basin B Dam is a concrete dam located in Kendall County, Illinois, built in 2003. It carries a Low hazard potential classification.
About Churchill Club Dam Basin B Dam
The primary purpose of Churchill Club Dam Basin B 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 Osewegoland Park District (private). It impounds the Trib Waubansee Creek near Oswego.
The dam stands 10 feet tall and stretches 65 feet across, creates a reservoir covering 18 acres, has a maximum storage capacity of 275 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 2003, 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 06/16/2025.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Illinois |
| County | Kendall |
| Nearest City | Oswego |
| River/Stream | Trib Waubansee Creek |
| Coordinates | 41.69414, -88.31416 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 65 ft |
| Year Completed | 2003 (23 years old) |
Storage & Hydraulics
| NID Storage | 275 acre-ft |
| Max Storage | 275 acre-ft |
| Normal Storage | 9 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 2 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | OSEWEGOLAND PARK DISTRICT |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 06/16/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL50493 |
| Federal ID | IL50493 |
| More Info | State Dam Safety Program |