MAPLETON
PWS ID: IL1430500 · MAPLETON, Illinois 61547
Population Served
261
Total Violations
233
Health-Based Violations
173
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 115
- County
- Peoria
- School/Daycare
- No
- MCL Violations
- 167
- Monitoring Violations
- 19
- Treatment Tech Violations
- 6
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Combined Radium (-226 and -228) | MCL | 130 | 2004 |
| Gross Alpha, Excl. Radon and U | MCL | 15 | 2002 |
| Consumer Confidence Rule | Other | 15 | 2025 |
| Fluoride | MCL | 13 | 1984 |
| Coliform (TCR) | MR | 11 | 2002 |
| Coliform (TCR) | MCL | 9 | 2003 |
| Lead and Copper Rule | MR | 7 | 2025 |
| Lead and Copper Rule | TT | 6 | 2017 |
| Public Notice | Other | 4 | 2017 |
| 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.