MALDEN WATER DIVISION (MWRA)
Massachusetts — Community Water System — PWSID: MA3165000
System Information
| PWSID | MA3165000 |
| System Name | MALDEN WATER DIVISION (MWRA) |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 01 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Feb 26, 1979 |
| Last Reported | Dec 17, 2025 |
Location & Contact
| State | Massachusetts |
| City | MALDEN |
| ZIP Code | 02148 |
| Address | 215 PLEASANT STREET |
| Organization | MALDEN WATER DIVISION (MWRA) |
| Phone | 7818707258 |
Population & Service
| Population Served | 66,263 |
| Service Connections | 11,855 |
Drinking Water Violations (12)
This water system has 12 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, 1997 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Mar 19, 1998 | Lead and Copper Rule |
| Jan 1, 1997 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Mar 19, 1998 | Lead and Copper Rule |
| Jan 1, 1997 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Mar 19, 1998 | Lead and Copper Rule |
| Jan 1, 1993 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Mar 21, 1995 | Lead and Copper Rule |
| May 1, 1992 | May 31, 1992 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 1992 | Total Coliform Rule |
| May 1, 1992 | May 31, 1992 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 1992 | Total Coliform Rule |
| Jan 1, 1992 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Mar 21, 1995 | Lead and Copper Rule |
| Aug 1, 1991 | Aug 31, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1991 | Total Coliform Rule |
| Jun 1, 1991 | Jun 30, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Jun 30, 1991 | Total Coliform Rule |
| Feb 1, 1991 | Feb 28, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Feb 28, 1991 | 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.