JEFFERSON COUNTY RURAL WATER DISTRICT
PWS ID: IA5131705 · FAIRFIELD, Iowa 52556
Population Served
468
Total Violations
40
Health-Based Violations
10
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 311
- County
- Jefferson
- School/Daycare
- No
- MCL Violations
- 10
- Monitoring Violations
- 6
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 10 | 2001 |
| Public Notice | Other | 6 | 2024 |
| Revised Total Coliform Rule | MON | 6 | 2024 |
| Consumer Confidence Rule | Other | 2 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.