Antioch
PWSID: IL0970050
System Details
| Population Served | 14,175 |
| Service Connections | 4,598 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Antioch |
| Zip Code | 60002 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0130 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0089 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0082 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0066 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0050 mg/L | 0.015 mg/L | Below Action Level |
1 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-01 | | Open |
Violation History (10 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2023-10-01 | | Returned to Compliance |
| | 2023-10-01 | | Returned to Compliance |
| | 2023-10-01 | | Returned to Compliance |
| | 2023-10-01 | | Returned to Compliance |
| | 2008-08-07 | | Returned to Compliance |
| | 2008-08-07 | | Returned to Compliance |
| | 1994-01-01 | Yes | Returned to Compliance |
| | 1993-04-27 | Yes | Returned to Compliance |
| | 1993-01-01 | Yes | Returned to Compliance |