North Chicago
PWSID: IL0971250
System Details
| Population Served | 16,813 |
| Service Connections | 4,211 |
| Water Source | Surface Water |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | North Chicago |
| Zip Code | 60064 |
Areas Served
- North Chicago, Lake County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0150 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0130 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0077 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0045 mg/L | 0.015 mg/L | Below Action Level |
2 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-01 | | Open |
| | 2025-07-01 | | Open |
Violation History (21 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2024-06-20 | | Returned to Compliance |
| | 2024-06-20 | | Returned to Compliance |
| | 2024-06-20 | | Returned to Compliance |
| | 2024-04-01 | Yes | Returned to Compliance |
| | 2024-04-01 | Yes | Acknowledged |
| | 2024-04-01 | Yes | Acknowledged |
| | 2023-10-01 | | Returned to Compliance |
| | 2023-10-01 | | Returned to Compliance |
| | 2023-10-01 | | Returned to Compliance |
| | 2023-10-01 | | Returned to Compliance |
| | 2023-04-01 | Yes | Returned to Compliance |
| | 2023-04-01 | Yes | Returned to Compliance |
| | 2023-04-01 | Yes | Acknowledged |
| | 2023-04-01 | Yes | Returned to Compliance |
| | 2023-04-01 | Yes | Returned to Compliance |
| | 2023-04-01 | Yes | Returned to Compliance |
| | 2019-02-01 | Major | Returned to Compliance |
| | 2019-02-01 | Major | Returned to Compliance |
| | 1993-04-01 | | Returned to Compliance |