PATOKA
PWS ID: IL1210400 · PATOKA, Illinois 62875
Population Served
603
Total Violations
217
Health-Based Violations
103
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 280
- County
- Marion
- School/Daycare
- No
- MCL Violations
- 65
- Monitoring Violations
- 101
- Treatment Tech Violations
- 38
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | MR | 79 | 2004 |
| Surface Water Treatment Rule | TT | 26 | 1996 |
| Total Haloacetic Acids (HAA5) | MCL | 24 | 2006 |
| Simazine | MCL | 18 | 2006 |
| Atrazine | MCL | 16 | 1994 |
| Coliform (TCR) | MR | 11 | 1999 |
| CARBON, TOTAL | TT | 8 | 2005 |
| Coliform (TCR) | MCL | 7 | 1994 |
| CARBON, TOTAL | MR | 4 | 2004 |
| Lead and Copper Rule | MR | 4 | 2004 |
| Revised Total Coliform Rule | RPT | 4 | 2019 |
| Interim Enhanced Surface Water Treatment Rule | TT | 4 | 2004 |
| Chlorine | MR | 2 | 2019 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1977 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.