Oswego
PWSID: IL0930150
System Details
| Population Served | 38,169 |
| Service Connections | 12,887 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Oswego |
| Zip Code | 60543 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0020 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0013 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 (11 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2024-09-01 | | Returned to Compliance |
| | 2024-09-01 | | Acknowledged |
| | 2024-09-01 | | Returned to Compliance |
| | 2024-09-01 | | Returned to Compliance |
| | 2022-07-01 | | Returned to Compliance |
| | 2022-07-01 | | Returned to Compliance |
| | 2017-07-01 | | Returned to Compliance |
| | 2017-05-14 | | Returned to Compliance |
| | 2017-01-01 | Yes | Returned to Compliance |
| | 2016-07-01 | Major | Returned to Compliance |
| | 1999-10-19 | | Returned to Compliance |