Naperville
PWSID: IL0434670
System Details
| Population Served | 156,406 |
| Service Connections | 45,580 |
| Water Source | Surface Water Purchased |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Naperville |
| Zip Code | 60564 |
Areas Served
- Naperville, Dupage County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0074 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0051 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0051 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0047 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0042 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
Violation History (5 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2023-04-01 | Major | Returned to Compliance |
| | 2023-04-01 | Major | Returned to Compliance |
| | 2023-04-01 | Major | Returned to Compliance |
| | 2023-04-01 | Major | Acknowledged |
| | 2023-04-01 | Major | Returned to Compliance |