Mascoutah
PWSID: IL1630800
System Details
| Population Served | 8,759 |
| Service Connections | 3,992 |
| Water Source | Surface Water Purchased |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Mascoutah |
| Zip Code | 62258 |
Areas Served
- Mascoutah, St. Clair County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0082 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0054 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0046 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0046 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0045 mg/L | 0.015 mg/L | Below Action Level |
1 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-01 | | Open |
Violation History (1 total)
All violations are shown above as active.