TIFFIN WATER SUPPLY
PWS ID: IA5288021 · TIFFIN, Iowa 52340-0259
Population Served
4,512
Total Violations
40
Health-Based Violations
10
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,500
- County
- Johnson
- School/Daycare
- No
- MCL Violations
- 10
- Monitoring Violations
- 17
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Combined Radium (-226 and -228) | MCL | 8 | 1987 |
| Arsenic | MR | 8 | 2000 |
| Total Haloacetic Acids (HAA5) | MR | 5 | 2005 |
| Coliform (TCR) | MR | 4 | 2014 |
| Coliform (TCR) | MCL | 2 | 2001 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.