Public water system · IL0434670
ActiveNaperville
Community water system in DuPage County, Illinois, drawing primarily on purchased surface water.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
156,406
Service connections
45,580
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 Naperville are being ingested from EPA ECHO (updated quarterly) and will appear here. Until then, check EPA ECHO for current compliance history.
Naperville: frequently asked questions
Is Naperville's water safe to drink?
Naperville 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 Naperville?
Naperville (PWSID IL0434670) is a local government-owned community water system, regulated by the IL state drinking water program.
How many people does Naperville serve?
Naperville reports serving 156,406 people through 45,580 service connections in DuPage County, Illinois.
Where does Naperville 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 |
|---|---|---|---|---|
| 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 |
| Addison | DuPage | 38,017 | Community | Purchased surface water |