Public water system · IL0430700
ActiveOak Brook
Community water system in DuPage County, Illinois, drawing primarily on purchased surface water.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
9,400
Service connections
3,295
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
Violations & enforcement
Violations data landing soon.
EPA SDWA violation and enforcement records for Oak Brook are being ingested from EPA ECHO (updated quarterly) and will appear here. Until then, check EPA ECHO for current compliance history.
Oak Brook: frequently asked questions
Is Oak Brook's water safe to drink?
Oak Brook 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 Oak Brook?
Oak Brook (PWSID IL0430700) is a local government-owned community water system, regulated by the IL state drinking water program.
How many people does Oak Brook serve?
Oak Brook reports serving 9,400 people through 3,295 service connections in DuPage County, Illinois.
Where does Oak Brook get its water?
EPA SDWIS lists this system's primary water source as purchased surface water.
Other water systems in DuPage County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Naperville | DuPage | 156,406 | Community | Purchased surface water |
| Wheaton | DuPage | 53,970 | Community | Purchased surface water |
| Downers Grove | DuPage | 49,425 | Community | Purchased surface water |
| Elmhurst | DuPage | 45,000 | Community | Purchased surface water |
| Lombard | DuPage | 44,476 | Community | Purchased surface water |
| Carol Stream | DuPage | 39,854 | Community | Purchased surface water |