FRANCISCAN SISTERS OF CHICAGO
PWS ID: IL0310110 · LEMONT, Illinois 60439-0956
Population Served
505
Total Violations
66
Health-Based Violations
35
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 68
- County
- Cook
- School/Daycare
- No
- MCL Violations
- 35
- Monitoring Violations
- 27
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Combined Radium (-226 and -228) | MCL | 27 | 2003 |
| Coliform (TCR) | MR | 15 | 2012 |
| Chlorine | MR | 12 | 2012 |
| Gross Alpha, Excl. Radon and U | MCL | 8 | 2002 |
| Consumer Confidence Rule | Other | 1 | 2025 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.