PIERRON
PWS ID: IL1194760 · PIERRON, Illinois 62273
Population Served
1,709
Total Violations
70
Health-Based Violations
59
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 756
- County
- Madison
- School/Daycare
- No
- MCL Violations
- 55
- Monitoring Violations
- 4
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Total Haloacetic Acids (HAA5) | MCL | 31 | 2021 |
| TTHM | MCL | 24 | 2014 |
| Long Term 2 Enhanced Surface Water Treatment Rule | TT | 4 | 2014 |
| Coliform (TCR) | MR | 3 | 1992 |
| 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.