MAPLE PLAIN
PWS ID: 055295901 · WEBSTER, 05 54893
Population Served
144
Total Violations
103
Health-Based Violations
8
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 40
- School/Daycare
- No
- MCL Violations
- 8
- Monitoring Violations
- 86
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 22 | 2013 |
| Lead and Copper Rule | MR | 9 | 2018 |
| Coliform (TCR) | MCL | 8 | 2011 |
| Barium | MR | 4 | 2017 |
| Fluoride | MR | 4 | 2017 |
| Nickel | MR | 4 | 2017 |
| Antimony, Total | MR | 4 | 2017 |
| Beryllium, Total | MR | 4 | 2017 |
| Thallium, Total | MR | 4 | 2017 |
| Selenium | MR | 4 | 2017 |
| CYANIDE | MR | 4 | 2017 |
| Cadmium | MR | 4 | 2017 |
| Arsenic | MR | 4 | 2017 |
| Mercury | MR | 4 | 2017 |
| Asbestos | MR | 4 | 2017 |
| Chromium | MR | 4 | 2017 |
| Revised Total Coliform Rule | MON | 3 | 2017 |
| Consumer Confidence Rule | Other | 2 | 2023 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.