St Charles
PWSID: IL0894830
System Details
| Population Served | 33,103 |
| Service Connections | 12,690 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | St. Charles |
| Zip Code | 60174 |
Areas Served
- Saint Charles, Kane County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0069 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0065 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0055 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0052 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0032 mg/L | 0.015 mg/L | Below Action Level |
1 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-01 | | Open |
Violation History (3 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2020-10-01 | Major | Returned to Compliance |
| | 2016-07-01 | | Returned to Compliance |