MAPLE PARK
PWS ID: IL0890500 · MAPLE PARK, Illinois 60151
Population Served
1,484
Total Violations
210
Health-Based Violations
94
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 594
- County
- Kane
- School/Daycare
- No
- MCL Violations
- 94
- Monitoring Violations
- 77
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Combined Radium (-226 and -228) | MCL | 75 | 2025 |
| Coliform (TCR) | MR | 32 | 2011 |
| Barium | MCL | 13 | 1990 |
| TTHM | MR | 9 | 2024 |
| Total Haloacetic Acids (HAA5) | MR | 9 | 2024 |
| Chlorine | MR | 8 | 2024 |
| Coliform (TCR) | MCL | 6 | 1996 |
| Combined Radium (-226 and -228) | MR | 6 | 2024 |
| OXAMYL | MR | 4 | 2017 |
| Revised Total Coliform Rule | MON | 4 | 2024 |
| Carbofuran | MR | 4 | 2017 |
| Consumer Confidence Rule | Other | 2 | 2021 |
| LEAD AND COPPER RULE REVISIONS | RPT | 2 | 2025 |
| Public Notice | Other | 2 | 2025 |
| 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.