WILLIAMSBURG WATER DEPT
PWS ID: MA1340000 · HAYDENVILLE, Massachusetts 01039
Population Served
1,575
Total Violations
97
Health-Based Violations
15
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 571
- County
- Hampshire
- School/Daycare
- No
- MCL Violations
- 15
- Monitoring Violations
- 51
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 15 | 2015 |
| Revised Total Coliform Rule | MON | 8 | 2019 |
| Coliform (TCR) | MR | 4 | 2015 |
| Nitrate | MR | 4 | 2006 |
| Radium-226 | MR | 3 | 2015 |
| Radium-228 | MR | 3 | 2015 |
| Gross Beta Particle Activity | MR | 2 | 2001 |
| 38-STRONTIUM-90 | MR | 2 | 2001 |
| Coliform (TCR) | Other | 2 | 2018 |
| Tritium | MR | 2 | 2001 |
| 1,2,4-Trichlorobenzene | MR | 1 | 2001 |
| cis-1,2-Dichloroethylene | MR | 1 | 2001 |
| DICHLOROMETHANE | MR | 1 | 2001 |
| o-Dichlorobenzene | MR | 1 | 2001 |
| Vinyl chloride | MR | 1 | 2001 |
| 1,1-Dichloroethylene | MR | 1 | 2001 |
| trans-1,2-Dichloroethylene | MR | 1 | 2001 |
| 1,1,1-Trichloroethane | MR | 1 | 2001 |
| Carbon tetrachloride | MR | 1 | 2001 |
| Trichloroethylene | MR | 1 | 2001 |
| Tetrachloroethylene | MR | 1 | 2001 |
| CHLOROBENZENE | MR | 1 | 2001 |
| Toluene | MR | 1 | 2001 |
| Styrene | MR | 1 | 2001 |
| p-Dichlorobenzene | MR | 1 | 2001 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 2015 |
| 1,2-Dichloroethane | MR | 1 | 2001 |
| 1,2-Dichloropropane | MR | 1 | 2001 |
| Lead and Copper Rule | MR | 1 | 2008 |
| 1,1,2-Trichloroethane | MR | 1 | 2001 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.