COGGON WATER DEPARTMENT
PWS ID: IA5722053 · COGGON, Iowa 52218
Population Served
701
Total Violations
165
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 306
- County
- Linn
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 164
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 12 | 2023 |
| LASSO | MR | 10 | 2013 |
| Revised Total Coliform Rule | MON | 9 | 2025 |
| Atrazine | MR | 9 | 2013 |
| Gross Alpha, Excl. Radon and U | MR | 4 | 2017 |
| Combined Radium (-226 and -228) | MR | 4 | 2017 |
| 2,4-D | MR | 4 | 2013 |
| Di(2-ethylhexyl) adipate | MR | 4 | 2013 |
| Pentachlorophenol | MR | 4 | 2013 |
| Picloram | MR | 4 | 2013 |
| Diquat | MR | 4 | 2013 |
| Glyphosate | MR | 4 | 2013 |
| Benzene | MR | 4 | 2013 |
| Carbon tetrachloride | MR | 4 | 2013 |
| o-Dichlorobenzene | MR | 4 | 2013 |
| p-Dichlorobenzene | MR | 4 | 2013 |
| 1,2-Dichloroethane | MR | 4 | 2013 |
| cis-1,2-Dichloroethylene | MR | 4 | 2013 |
| trans-1,2-Dichloroethylene | MR | 4 | 2013 |
| DICHLOROMETHANE | MR | 4 | 2013 |
| Styrene | MR | 4 | 2013 |
| Tetrachloroethylene | MR | 4 | 2013 |
| 1,2,4-Trichlorobenzene | MR | 4 | 2013 |
| 1,1,1-Trichloroethane | MR | 4 | 2013 |
| Trichloroethylene | MR | 4 | 2013 |
| Lead and Copper Rule | MR | 4 | 2023 |
| 1,2-Dichloropropane | MR | 4 | 2013 |
| Simazine | MR | 4 | 2013 |
| 1,1,2-Trichloroethane | MR | 4 | 2013 |
| CHLOROBENZENE | MR | 4 | 2013 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.