Public water system · IL0312250
ActiveOak Park
Community water system in Cook County, Illinois, drawing primarily on purchased surface water.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
54,583
Service connections
12,683
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 Park are being ingested from EPA ECHO (updated quarterly) and will appear here. Until then, check EPA ECHO for current compliance history.
Oak Park: frequently asked questions
Is Oak Park's water safe to drink?
Oak Park 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 Park?
Oak Park (PWSID IL0312250) is a local government-owned community water system, regulated by the IL state drinking water program.
How many people does Oak Park serve?
Oak Park reports serving 54,583 people through 12,683 service connections in Cook County, Illinois.
Where does Oak Park get its water?
EPA SDWIS lists this system's primary water source as purchased surface water.
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 |