MARK
PWS ID: IL1550250 · MARK, Illinois 61340
Population Served
555
Total Violations
180
Health-Based Violations
128
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 265
- County
- Putnam
- School/Daycare
- No
- MCL Violations
- 128
- Monitoring Violations
- 17
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Combined Radium (-226 and -228) | MCL | 89 | 2004 |
| Gross Alpha, Excl. Radon and U | MCL | 32 | 1999 |
| Coliform (TCR) | MR | 9 | 2002 |
| Lead and Copper Rule | MR | 8 | 2022 |
| Public Notice | Other | 8 | 2022 |
| TTHM | MCL | 7 | 2022 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.