MENEMSHA WATER COMPANY
PWS ID: MA4062000 · CHILMARK, Massachusetts 02535
Population Served
841
Total Violations
74
Health-Based Violations
7
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 95
- County
- Dukes
- School/Daycare
- No
- MCL Violations
- 7
- Monitoring Violations
- 31
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | RPT | 20 | 2018 |
| Revised Total Coliform Rule | MON | 11 | 2021 |
| Coliform (TCR) | MR | 10 | 2009 |
| Nitrate | MR | 8 | 2024 |
| Coliform (TCR) | MCL | 7 | 2009 |
| Coliform (TCR) | Other | 3 | 2008 |
| Nitrite | MR | 2 | 2001 |
| Public Notice | Other | 2 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.