ALTO PASS WATER DISTRICT
PWS ID: IL1815150 · ALTO PASS, Illinois 62905
Population Served
1,015
Total Violations
250
Health-Based Violations
224
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 466
- County
- Union
- School/Daycare
- No
- MCL Violations
- 224
- Monitoring Violations
- 22
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Total Haloacetic Acids (HAA5) | MCL | 158 | 2012 |
| TTHM | MCL | 60 | 2011 |
| Coliform (TCR) | MCL | 6 | 2002 |
| Coliform (TCR) | MR | 6 | 2004 |
| Chlorine | MR | 4 | 2004 |
| Lead and Copper Rule | MR | 4 | 2014 |
| TTHM | MR | 4 | 2016 |
| Public Notice | Other | 4 | 2007 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2016 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.