Zion
PWSID: IL0972000
System Details
| Population Served | 24,442 |
| Service Connections | 7,080 |
| Water Source | Surface Water Purchased |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Zion |
| Zip Code | 60099 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0131 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 |
2 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-01 | | Open |
| | 2023-10-01 | | Open |
Violation History (5 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2024-10-11 | | Returned to Compliance |
| | 2024-10-11 | | Returned to Compliance |
| | 2014-07-01 | | Returned to Compliance |