CHARTER OAK WATER SUPPLY
PWS ID: IA2417018 · CHARTER OAK, Iowa 51439
Population Served
522
Total Violations
183
Health-Based Violations
22
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 306
- County
- Crawford
- School/Daycare
- No
- MCL Violations
- 22
- Monitoring Violations
- 110
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 20 | 1994 |
| Coliform (TCR) | MCL | 14 | 2002 |
| Coliform (TCR) | MR | 10 | 2014 |
| Benzene | MCL | 8 | 1994 |
| cis-1,2-Dichloroethylene | MR | 6 | 1990 |
| DICHLOROMETHANE | MR | 6 | 1990 |
| o-Dichlorobenzene | MR | 6 | 1990 |
| Tetrachloroethylene | MR | 6 | 1990 |
| CHLOROBENZENE | MR | 6 | 1990 |
| Toluene | MR | 6 | 1990 |
| Styrene | MR | 6 | 1990 |
| 1,1,2-Trichloroethane | MR | 6 | 1990 |
| 1,2-Dichloropropane | MR | 6 | 1990 |
| trans-1,2-Dichloroethylene | MR | 6 | 1990 |
| Ethylbenzene | MR | 6 | 1990 |
| Xylenes, Total | MR | 6 | 1990 |
| TTHM | MR | 4 | 2019 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2019 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.