PRAIRIE OAKS ESTS HOMEOWNERS ASSN
PWS ID: IL0630060 · COAL CITY, Illinois 60416
Population Served
107
Total Violations
151
Health-Based Violations
110
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 36
- County
- Grundy
- School/Daycare
- No
- MCL Violations
- 107
- Monitoring Violations
- 23
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Combined Radium (-226 and -228) | MCL | 100 | 2006 |
| Combined Radium (-226 and -228) | MR | 9 | 2016 |
| Gross Alpha, Excl. Radon and U | MCL | 7 | 2005 |
| Public Notice | Other | 6 | 2025 |
| LEAD AND COPPER RULE REVISIONS | RPT | 5 | 2025 |
| TTHM | MR | 4 | 2012 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2012 |
| Combined Uranium | MR | 4 | 2016 |
| LEAD AND COPPER RULE REVISIONS | TT | 3 | 2024 |
| Consumer Confidence Rule | Other | 3 | 2025 |
| Lead and Copper Rule | MR | 2 | 2001 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.