CHELMSFORD WATER DISTRICT
Massachusetts — Community Water System — PWSID: MA3056000
System Information
| PWSID | MA3056000 |
| System Name | CHELMSFORD WATER DISTRICT |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 01 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 26, 1979 |
| Last Reported | Dec 17, 2025 |
Location & Contact
| State | Massachusetts |
| City | CHELMSFORD |
| ZIP Code | 01824 |
| Address | 20 WATERSHED LN |
| Organization | CHELMSFORD WATER DISTRICT |
| Phone | 9782562931 |
Population & Service
| Population Served | 28,750 |
| Service Connections | 8,388 |
Drinking Water Violations (3)
This water system has 3 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 1992 | Jan 31, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jan 31, 1992 | Total Coliform Rule |
| Feb 1, 1991 | Feb 28, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Feb 28, 1991 | Total Coliform Rule |
| — | — | — | No | No | — | — | — | — | — | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.