Westwood Creek Dam is an earth dam located in DuPage County, Illinois, built in 1996. It carries a Low hazard potential classification.
Dam profile
NID height · 16 ft16 ft tall and 285 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Westwood Creek Dam
The primary purpose of Westwood Creek 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 Village of Addison (local government). It impounds the Westwood Creek near Addison.
The dam stands 16 feet tall and stretches 285 feet across, has a maximum storage capacity of 50 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1996, the structure is 30 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. An emergency action plan is in place for this dam. The most recent inspection on record was 05/10/2023.
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Location
| State | Illinois |
| County | DuPage |
| Nearest City | Addison |
| River/Stream | Westwood Creek |
| Coordinates | 41.94084, -87.98759 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 285 ft |
| Year Completed | 1996 (30 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Drainage Area | 5 sq mi |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Village of Addison |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/10/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | IL50336 |
| Federal ID | IL50336 |
| More Info | State Dam Safety Program |