UNION-YORK WATER DISTRICT
PWS ID: IL0235400 · WEST UNION, Illinois 62477
Population Served
501
Total Violations
44
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 195
- County
- Clark
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 35
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 10 | 2012 |
| Nitrate | MR | 8 | 2024 |
| Chlorine | MR | 8 | 2012 |
| Consumer Confidence Rule | Other | 4 | 2018 |
| TTHM | MR | 4 | 2024 |
| Total Haloacetic Acids (HAA5) | MR | 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.