Public water system · IL0310200
ActiveSouth Barrington
Community water system in Cook County, Illinois, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,175
Service connections
439
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | 72 | 7000 | No | Unaddressed |
South Barrington: frequently asked questions
Is South Barrington's water safe to drink?
South Barrington is an active community water system regulated under the Safe Drinking Water Act, overseen by the IL state drinking water program. EPA SDWA violation and enforcement records for this system are being added to AquaCensus from EPA ECHO; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.
Who runs South Barrington?
South Barrington (PWSID IL0310200) is a local government-owned community water system, regulated by the IL state drinking water program.
How many people does South Barrington serve?
South Barrington reports serving 1,175 people through 439 service connections in Cook County, Illinois.
Where does South Barrington get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in Cook County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Chicago | Cook | 2,746,388 | Community | Surface water |
| Cicero | Cook | 83,000 | Community | Purchased surface water |
| Schaumburg | Cook | 75,750 | Community | Purchased surface water |
| Evanston | Cook | 74,486 | Community | Surface water |
| Arlington Heights | Cook | 73,320 | Community | Purchased surface water |
| Palatine | Cook | 70,875 | Community | Purchased surface water |