ROCKDALE
PWS ID: IL1970850 · ROCKDALE, Illinois 60436
Population Served
2,012
Total Violations
341
Health-Based Violations
281
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 945
- County
- Will
- School/Daycare
- No
- MCL Violations
- 281
- Monitoring Violations
- 28
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Combined Radium (-226 and -228) | MCL | 263 | 2009 |
| Gross Alpha, Excl. Radon and U | MCL | 18 | 2009 |
| Public Notice | Other | 12 | 2024 |
| Combined Radium (-226 and -228) | MR | 10 | 2025 |
| Consumer Confidence Rule | Other | 9 | 2025 |
| Gross Alpha, Excl. Radon and U | MR | 7 | 1981 |
| Lead and Copper Rule | MR | 4 | 2022 |
| Pentachlorophenol | MR | 4 | 2023 |
| Chlorine | MR | 3 | 2020 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.