MONSON UTILITIES DISTRICT
PWS ID: ME0091030 · MONSON, Maine 04464
Population Served
298
Total Violations
108
Health-Based Violations
9
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 119
- County
- Piscataquis
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 86
- Treatment Tech Violations
- 7
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 17 | 2025 |
| Consumer Confidence Rule | Other | 10 | 2023 |
| Nickel | MR | 8 | 2003 |
| Beryllium, Total | MR | 8 | 2003 |
| Thallium, Total | MR | 8 | 2003 |
| Antimony, Total | MR | 8 | 2003 |
| CYANIDE | MR | 8 | 2003 |
| Lead and Copper Rule | TT | 7 | 2024 |
| Diquat | MR | 5 | 2015 |
| Endothall | MR | 5 | 2015 |
| TTHM | MR | 4 | 2014 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2014 |
| Coliform (TCR) | MR | 4 | 2013 |
| Radium-228 | MR | 4 | 2005 |
| Nitrate | MR | 3 | 1995 |
| Coliform (TCR) | MCL | 2 | 1991 |
| Public Notice | Other | 1 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.