RSU 40 MEDOMAK VALLEY HIGH SCHOOL
PWS ID: ME0000650 · UNION, Maine 04862
Population Served
669
Total Violations
64
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 1
- County
- Lincoln
- School/Daycare
- Yes
- MCL Violations
- 4
- Monitoring Violations
- 57
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Arsenic | MR | 20 | 2007 |
| Coliform (TCR) | MR | 4 | 2001 |
| Barium | MR | 4 | 2005 |
| Cadmium | MR | 4 | 2005 |
| Chromium | MR | 4 | 2005 |
| Fluoride | MR | 4 | 2005 |
| Mercury | MR | 4 | 2005 |
| Nitrite | MR | 4 | 2005 |
| Coliform (TCR) | MCL | 4 | 2006 |
| Selenium | MR | 4 | 2005 |
| Nitrate | MR | 4 | 2005 |
| Lead and Copper Rule | MR | 1 | 2005 |
| Public Notice | Other | 1 | 2001 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.