DEDHAM WATER SUPPLY
PWS ID: IA1433016 · DEDHAM, Iowa 51440
Population Served
221
Total Violations
203
Health-Based Violations
70
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 120
- County
- Carroll
- School/Daycare
- No
- MCL Violations
- 70
- Monitoring Violations
- 71
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Selenium | MCL | 54 | 2020 |
| Consumer Confidence Rule | Other | 22 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 17 | 2025 |
| Public Notice | Other | 16 | 2020 |
| Lead and Copper Rule | MR | 12 | 2025 |
| Coliform (TCR) | MR | 12 | 2016 |
| Nitrate | MR | 12 | 2008 |
| TTHM | MR | 12 | 2025 |
| Nitrate | MCL | 11 | 2008 |
| Selenium | MR | 6 | 2018 |
| Coliform (TCR) | MCL | 5 | 2009 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.