Dorchester
PWSID: IL1170250
System Details
| Population Served | 562 |
| Service Connections | 216 |
| Water Source | Surface Water Purchased |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Dorchester |
| Zip Code | 62033 |
Areas Served
- Dorchester, Macoupin County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0059 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0059 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 |
| 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 (8 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Acknowledged |
| | 2011-01-02 | | Returned to Compliance |
| | 2010-07-01 | | Returned to Compliance |
| | 2005-10-01 | | Returned to Compliance |
| | 2004-07-01 | | Returned to Compliance |