DOW CITY WATER WORKS
PWS ID: IA2427049 · DOW CITY, Iowa 51528
Population Served
467
Total Violations
79
Health-Based Violations
11
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 255
- County
- Crawford
- School/Daycare
- No
- MCL Violations
- 11
- Monitoring Violations
- 53
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 17 | 2020 |
| Coliform (TCR) | MR | 10 | 2004 |
| Nitrate | MCL | 9 | 2016 |
| Nitrite | MR | 5 | 1994 |
| Antimony, Total | MR | 5 | 1992 |
| 1,2,4-Trichlorobenzene | MR | 4 | 1995 |
| BHC-GAMMA | MR | 4 | 1995 |
| Revised Total Coliform Rule | MON | 4 | 2019 |
| Gross Alpha, Excl. Radon and U | MR | 4 | 1991 |
| Selenium | MCL | 2 | 1979 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.