ST. JOE WATER DEPARTMENT
PWS ID: IN5217006 · WATERLOO, Indiana 46793
Population Served
460
Total Violations
93
Health-Based Violations
13
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 175
- County
- DeKalb
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 44
- Treatment Tech Violations
- 11
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 29 | 2004 |
| Consumer Confidence Rule | Other | 16 | 2024 |
| Nitrate | MR | 9 | 2010 |
| Groundwater Rule | TT | 7 | 2025 |
| LEAD AND COPPER RULE REVISIONS | TT | 4 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 4 | 2024 |
| Revised Total Coliform Rule | MON | 3 | 2018 |
| Coliform (TCR) | MCL | 2 | 1993 |
| Lead and Copper Rule | MR | 2 | 2024 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1980 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.