Rockdale
PWSID: IL1970850
System Details
| Population Served | 2,012 |
| Service Connections | 945 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Rockdale |
| Zip Code | 60436 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Copper (90th percentile) | 1.3600 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Copper (90th percentile) | 1.3500 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Lead (90th percentile) | 0.0130 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) | 0.0128 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0123 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0106 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0086 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0083 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0081 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0045 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0031 mg/L | 0.015 mg/L | Below Action Level |
6 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-01 | | Open |
| | 2024-07-01 | | Open |
| | 2023-07-01 | | Open |
| | 2023-04-20 | | Open |
| | 2022-09-29 | | Open |
| | 2022-01-13 | | Open |
Violation History (32 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-01 | Major | Acknowledged |
| | 2024-10-11 | | Returned to Compliance |
| | 2023-07-01 | Major | Acknowledged |
| | 2023-07-01 | Major | Returned to Compliance |
| | 2023-07-01 | Major | Returned to Compliance |
| | 2023-07-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Acknowledged |
| | 2023-01-01 | Major | Acknowledged |
| | 2022-07-01 | | Returned to Compliance |
| | 2022-07-01 | | Returned to Compliance |
| | 2022-07-01 | | Returned to Compliance |
| | 2022-01-01 | Major | Returned to Compliance |
| | 2022-01-01 | Major | Returned to Compliance |
| | 2021-10-01 | Major | Returned to Compliance |
| | 2021-10-01 | Major | Returned to Compliance |
| | 2021-07-01 | | Returned to Compliance |
| | 2021-07-01 | | Returned to Compliance |
| | 2020-10-01 | Major | Returned to Compliance |
| | 2020-10-01 | Major | Returned to Compliance |
| | 2016-10-01 | | Returned to Compliance |
| | 2016-10-01 | | Returned to Compliance |
| | 2012-07-01 | | Returned to Compliance |
| | 2006-07-11 | | Returned to Compliance |
| | 2006-07-11 | | Returned to Compliance |
| | 2004-01-09 | | Returned to Compliance |
| | 2004-01-09 | | Returned to Compliance |