ASHLAND
PWS ID: IL0170100 · ASHLAND, Illinois 62612
Population Served
1,333
Total Violations
127
Health-Based Violations
48
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 600
- County
- Cass
- School/Daycare
- No
- MCL Violations
- 45
- Monitoring Violations
- 45
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Atrazine | MCL | 27 | 2004 |
| Public Notice | Other | 20 | 2009 |
| Coliform (TCR) | MR | 14 | 2006 |
| TTHM | MCL | 12 | 2009 |
| Surface Water Treatment Rule | MR | 10 | 1993 |
| Coliform (TCR) | MCL | 6 | 2006 |
| Revised Total Coliform Rule | MON | 4 | 2023 |
| Chlorine | MR | 4 | 2023 |
| CARBON, TOTAL | MR | 4 | 2005 |
| Surface Water Treatment Rule | TT | 3 | 1996 |
| Consumer Confidence Rule | Other | 2 | 2023 |
| Selenium | MR | 1 | 1979 |
| Nitrate | MR | 1 | 1979 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1977 |
| Arsenic | MR | 1 | 1979 |
| Mercury | MR | 1 | 1979 |
| Cadmium | MR | 1 | 1979 |
| Chromium | MR | 1 | 1979 |
| Fluoride | MR | 1 | 1979 |
| Barium | MR | 1 | 1979 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.