Northlake
PWSID: IL0314710
System Details
| Population Served | 12,840 |
| Service Connections | 3,093 |
| Water Source | Surface Water Purchased |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | North Lake |
| Zip Code | 60164 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0047 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0039 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0034 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0033 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0025 mg/L | 0.015 mg/L | Below Action Level |
Violation History (7 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-01-01 | Major | Acknowledged |
| | 2025-01-01 | Major | Acknowledged |
| | 2024-07-01 | | Returned to Compliance |
| | 2016-07-01 | | Returned to Compliance |
| | 2016-07-01 | | Returned to Compliance |
| | 2013-07-01 | | Returned to Compliance |
| | 2005-07-01 | | Returned to Compliance |