EAST CHELMSFORD WATER DISTRICT
PWS ID: MA3056001 · CHELMSFORD, Massachusetts 01824
Population Served
2,800
Total Violations
180
Health-Based Violations
0
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 685
- County
- Middlesex
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 169
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| 1,1,1-Trichloroethane | MR | 7 | 2017 |
| Vinyl chloride | MR | 7 | 2017 |
| cis-1,2-Dichloroethylene | MR | 7 | 2017 |
| Ethylbenzene | MR | 7 | 2017 |
| Styrene | MR | 7 | 2017 |
| Tetrachloroethylene | MR | 7 | 2017 |
| p-Dichlorobenzene | MR | 7 | 2017 |
| Xylenes, Total | MR | 7 | 2017 |
| 1,1,2-Trichloroethane | MR | 7 | 2017 |
| 1,2,4-Trichlorobenzene | MR | 7 | 2017 |
| Benzene | MR | 7 | 2017 |
| 1,1-Dichloroethylene | MR | 7 | 2017 |
| 1,2-Dichloroethane | MR | 7 | 2017 |
| Trichloroethylene | MR | 7 | 2017 |
| CHLOROBENZENE | MR | 7 | 2017 |
| 1,2-Dichloropropane | MR | 7 | 2017 |
| DICHLOROMETHANE | MR | 7 | 2017 |
| o-Dichlorobenzene | MR | 7 | 2017 |
| trans-1,2-Dichloroethylene | MR | 7 | 2017 |
| Toluene | MR | 7 | 2017 |
| Carbon tetrachloride | MR | 7 | 2017 |
| Coliform (TCR) | MR | 5 | 2011 |
| Lead and Copper Rule | MR | 2 | 2006 |
| Consumer Confidence Rule | Other | 2 | 2009 |
| TTHM | MR | 2 | 2012 |
| Public Notice | Other | 2 | 2008 |
| Antimony, Total | MR | 1 | 2007 |
| Revised Total Coliform Rule | RPT | 1 | 2018 |
| CYANIDE | MR | 1 | 2007 |
| Fluoride | MR | 1 | 2007 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.