Arboretum of South Barrington Dam is an earth dam located in Cook County, Illinois. It carries a Low hazard potential classification.
Dam profile
NID height · 8 ft8 ft tall and 314 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 Arboretum of South Barrington Dam
The primary purpose of Arboretum of South Barrington 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 Arboretum of South Barrington LLC (private). It impounds the Spring Creek near Hoffman Estates.
The dam stands 8 feet tall and stretches 314 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 88 acre-feet, and collects water from a drainage area of 1 square miles.
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 07/25/2024.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Illinois |
| County | Cook |
| Nearest City | Hoffman Estates |
| River/Stream | Spring Creek |
| Coordinates | 42.07741, -88.18819 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 314 ft |
Storage & Hydraulics
| NID Storage | 88 acre-ft |
| Max Storage | 88 acre-ft |
| Normal Storage | 8 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 299 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Arboretum of South Barrington LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/25/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL55125 |
| Federal ID | IL55125 |
| More Info | State Dam Safety Program |