VIENNA
PWS ID: IL0870350 · VIENNA, Illinois 62995
Population Served
1,618
Total Violations
458
Health-Based Violations
45
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 740
- County
- Johnson
- School/Daycare
- No
- MCL Violations
- 8
- Monitoring Violations
- 380
- Treatment Tech Violations
- 37
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 70 | 2011 |
| Surface Water Treatment Rule | MR | 40 | 1994 |
| Surface Water Treatment Rule | TT | 20 | 1994 |
| CARBON, TOTAL | TT | 17 | 2018 |
| 1,2-Dichloroethane | MR | 13 | 1993 |
| Carbon tetrachloride | MR | 13 | 1993 |
| Trichloroethylene | MR | 13 | 1993 |
| cis-1,2-Dichloroethylene | MR | 11 | 1993 |
| o-Dichlorobenzene | MR | 11 | 1993 |
| 1,1-Dichloroethylene | MR | 11 | 1993 |
| CHLOROBENZENE | MR | 11 | 1993 |
| Toluene | MR | 11 | 1993 |
| Styrene | MR | 11 | 1993 |
| Xylenes, Total | MR | 7 | 1993 |
| p-Dichlorobenzene | MR | 7 | 1993 |
| trans-1,2-Dichloroethylene | MR | 7 | 1993 |
| 1,1,1-Trichloroethane | MR | 7 | 1993 |
| 1,2-Dichloropropane | MR | 7 | 1993 |
| Ethylbenzene | MR | 7 | 1993 |
| Benzene | MR | 7 | 1993 |
| Tetrachloroethylene | MR | 7 | 1993 |
| Chlorine | MR | 6 | 2011 |
| TTHM | MCL | 6 | 2011 |
| Nitrate | MR | 6 | 1993 |
| Atrazine | MR | 3 | 1994 |
| LASSO | MR | 3 | 1994 |
| Heptachlor epoxide | MR | 3 | 1994 |
| 2,4-D | MR | 3 | 1994 |
| 2,4,5-TP | MR | 3 | 1994 |
| Pentachlorophenol | MR | 3 | 1994 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.