PIERSON WATER SUPPLY
PWS ID: IA9766041 · PIERSON, Iowa 51048
Population Served
337
Total Violations
62
Health-Based Violations
39
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 164
- County
- Woodbury
- School/Daycare
- No
- MCL Violations
- 39
- Monitoring Violations
- 10
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MCL | 34 | 1995 |
| Coliform (TCR) | MR | 6 | 1993 |
| Nitrate | Other | 6 | 1987 |
| Coliform (TCR) | MCL | 5 | 2004 |
| Nitrate | MR | 4 | 2020 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.