CORNING MUNI WATER DEPARTMENT
PWS ID: IA0220075 · CORNING, Iowa 50841
Population Served
1,735
Total Violations
893
Health-Based Violations
8
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,001
- County
- Adams
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 516
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Toluene | MR | 40 | 1994 |
| Ethylbenzene | MR | 28 | 1993 |
| cis-1,2-Dichloroethylene | MR | 24 | 1993 |
| p-Dichlorobenzene | MR | 24 | 1993 |
| 1,1-Dichloroethylene | MR | 24 | 1993 |
| 1,2-Dichloroethane | MR | 24 | 1993 |
| Carbon tetrachloride | MR | 24 | 1993 |
| Trichloroethylene | MR | 24 | 1993 |
| Tetrachloroethylene | MR | 24 | 1993 |
| CHLOROBENZENE | MR | 24 | 1993 |
| Xylenes, Total | MR | 24 | 1993 |
| trans-1,2-Dichloroethylene | MR | 24 | 1993 |
| 1,1,1-Trichloroethane | MR | 24 | 1993 |
| 1,1,2-Trichloroethane | MR | 24 | 1993 |
| Benzene | MR | 24 | 1993 |
| 1,2-Dichloropropane | MR | 24 | 1993 |
| DICHLOROMETHANE | MR | 24 | 1993 |
| o-Dichlorobenzene | MR | 24 | 1993 |
| Styrene | MR | 23 | 1993 |
| Coliform (TCR) | MR | 15 | 2009 |
| Nitrate | MR | 8 | 2024 |
| TTHM | MR | 5 | 2013 |
| Chlorite | MCL | 5 | 2016 |
| Total Haloacetic Acids (HAA5) | MR | 5 | 2013 |
| Interim Enhanced Surface Water Treatment Rule | MR | 4 | 2010 |
| Chlorine | MR | 4 | 2009 |
| Surface Water Treatment Rule | TT | 3 | 2016 |
| Public Notice | Other | 3 | 2016 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.