SAN JOSE
PWS ID: IL1254840 · SAN JOSE, Illinois 62682
Population Served
479
Total Violations
30
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 250
- County
- Mason
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 14
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Chlorine | MR | 6 | 2018 |
| Revised Total Coliform Rule | MON | 4 | 2018 |
| Coliform (TCR) | MR | 3 | 1993 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1977 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.