WATERTOWN WATER DEPT. (MWRA)
Massachusetts — Community Water System — PWSID: MA3314000
System Information
| PWSID | MA3314000 |
| System Name | WATERTOWN WATER DEPT. (MWRA) |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| 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 | WATERTOWN |
| ZIP Code | 02472 |
| Address | 124 ORCHARD ST |
| Organization | WATERTOWN WATER DEPT. (MWRA) |
| Phone | 6179726420 |
Population & Service
| Population Served | 35,329 |
| Service Connections | 7,662 |
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, 1993 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Mar 21, 1995 | Lead and Copper Rule |
| Jan 1, 1993 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Mar 21, 1995 | Lead and Copper Rule |
| Jan 1, 1992 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Mar 21, 1995 | Lead and Copper Rule |
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.