Berwyn
PWSID: IL0310210
System Details
| Population Served | 57,250 |
| Service Connections | 13,496 |
| Water Source | Surface Water Purchased |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Berwyn |
| Zip Code | 60402 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0089 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0055 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0040 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) | 0.0036 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) | 0.0033 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) | 0.0030 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0026 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 (17 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-01 | | Returned to Compliance |
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Returned to Compliance |
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Returned to Compliance |
| | 2015-11-02 | | Returned to Compliance |
| | 2015-11-02 | | Returned to Compliance |
| | 2015-10-01 | | Returned to Compliance |
| | 2015-10-01 | Yes | Returned to Compliance |
| | 2015-10-01 | Yes | Returned to Compliance |
| | 2015-07-01 | | Returned to Compliance |
| | 2013-07-01 | | Returned to Compliance |
| | 2012-11-16 | | Returned to Compliance |
| | 2012-01-02 | | Returned to Compliance |
| | 2007-10-17 | | Returned to Compliance |
| | 2007-10-17 | | Returned to Compliance |
| | 1992-12-07 | Yes | Returned to Compliance |