Spring Brook Gabion Dam is an other dam located in DuPage County, Illinois, built in 1984. It carries a Low hazard potential classification.
Dam profile
NID height · 9 ft9 ft tall and 400 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 Spring Brook Gabion Dam
The primary purpose of Spring Brook Gabion 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 City of Naperville (local government). It impounds the Spring Brook near Normantown.
The dam stands 9 feet tall and stretches 400 feet across, creates a reservoir covering 3 acres, and has a maximum storage capacity of 89 acre-feet. Completed in 1984, the structure is 42 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 09/15/2023.
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Location
| State | Illinois |
| County | DuPage |
| Nearest City | Normantown |
| River/Stream | Spring Brook |
| Coordinates | 41.77059, -88.16879 |
Physical Characteristics
| Dam Type | Other |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 400 ft |
| Year Completed | 1984 (42 years old) |
Storage & Hydraulics
| NID Storage | 89 acre-ft |
| Max Storage | 89 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 3 acres |
| Max Discharge | 1,047 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | City of Naperville |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/15/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL50042 |
| Federal ID | IL50042 |
| More Info | State Dam Safety Program |