CARLOCK
PWS ID: IL1130250 · CARLOCK, Illinois 61725
Population Served
562
Total Violations
203
Health-Based Violations
174
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 264
- County
- McLean
- School/Daycare
- No
- MCL Violations
- 174
- Monitoring Violations
- 25
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Arsenic | MCL | 166 | 2015 |
| Coliform (TCR) | MR | 16 | 2005 |
| Coliform (TCR) | MCL | 8 | 2004 |
| Chlorine | MR | 8 | 2005 |
| Consumer Confidence Rule | Other | 4 | 2024 |
| 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.