DOON WATER SUPPLY
PWS ID: IA6015047 · DOON, Iowa 51235
Population Served
619
Total Violations
304
Health-Based Violations
139
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 240
- County
- Lyon
- School/Daycare
- No
- MCL Violations
- 139
- Monitoring Violations
- 126
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MCL | 120 | 2006 |
| Coliform (TCR) | MR | 55 | 2014 |
| Coliform (TCR) | MCL | 19 | 1994 |
| Revised Total Coliform Rule | MON | 16 | 2022 |
| Chlorine | MR | 14 | 2011 |
| Nitrate | Other | 10 | 1987 |
| Nitrate | MR | 10 | 1991 |
| Arsenic | MR | 7 | 2002 |
| Barium | MR | 4 | 1991 |
| Chromium | MR | 4 | 1991 |
| Fluoride | MR | 4 | 1991 |
| Mercury | MR | 4 | 1991 |
| Cadmium | MR | 4 | 1991 |
| Selenium | MR | 4 | 1991 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.