RSU 10 HARTFORD-SUMNER ELEMENTARY SCHOOL
PWS ID: ME0000623 · RUMFORD, Maine 04276
Population Served
342
Total Violations
79
Health-Based Violations
8
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 1
- County
- Oxford
- School/Daycare
- Yes
- MCL Violations
- 4
- Monitoring Violations
- 51
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 34 | 2025 |
| Coliform (TCR) | MR | 13 | 2015 |
| Public Notice | Other | 10 | 2023 |
| Fluoride | MCL | 4 | 1998 |
| Fluoride | MR | 4 | 2015 |
| Lead and Copper Rule | TT | 4 | 2021 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.