SOUTH WILMINGTON
PWS ID: IL0630650 · SOUTH WILMINGTON, Illinois 60474
Population Served
700
Total Violations
198
Health-Based Violations
120
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 340
- County
- Grundy
- School/Daycare
- No
- MCL Violations
- 120
- Monitoring Violations
- 38
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Combined Radium (-226 and -228) | MCL | 100 | 2005 |
| Gross Alpha, Excl. Radon and U | MCL | 14 | 2002 |
| Combined Radium (-226 and -228) | MR | 14 | 2024 |
| Combined Uranium | MR | 13 | 2024 |
| Coliform (TCR) | MCL | 6 | 2013 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2015 |
| TTHM | MR | 4 | 2015 |
| LEAD AND COPPER RULE REVISIONS | RPT | 2 | 2025 |
| Public Notice | Other | 2 | 2004 |
| Lead and Copper Rule | MR | 2 | 2025 |
| Consumer Confidence Rule | Other | 2 | 2014 |
| 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.