SHEFFIELD WATER SUPPLY
PWS ID: IA3570037 · SHEFFIELD, Iowa 50475
Population Served
1,130
Total Violations
36
Health-Based Violations
7
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 502
- County
- Franklin
- School/Daycare
- No
- MCL Violations
- 7
- Monitoring Violations
- 12
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MCL | 7 | 2008 |
| Total Haloacetic Acids (HAA5) | MR | 5 | 2005 |
| Coliform (TCR) | MR | 4 | 2014 |
| Nitrate | MR | 3 | 1994 |
| Consumer Confidence Rule | Other | 3 | 1999 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.