MOUND PWD
PWS ID: IL1635050 · COLLINSVILLE, Illinois 62234
Population Served
1,500
Total Violations
67
Health-Based Violations
12
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 543
- County
- St. Clair
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 25
- Treatment Tech Violations
- 8
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 9 | 2025 |
| Coliform (TCR) | MR | 7 | 2001 |
| Consumer Confidence Rule | Other | 7 | 2025 |
| Lead and Copper Rule | TT | 6 | 2012 |
| Coliform (TCR) | MCL | 4 | 1991 |
| Revised Total Coliform Rule | MON | 4 | 2023 |
| Chloramine | MR | 4 | 2023 |
| LEAD AND COPPER RULE REVISIONS | RPT | 4 | 2025 |
| Public Notice | Other | 2 | 2025 |
| LEAD AND COPPER RULE REVISIONS | TT | 2 | 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.