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 | Mar 17, 2026 |
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 (45)
This water system has 45 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 8, 2022 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2019 | - | MR | No | No | - | TT | - | Addressed | - | - | |
| Jan 1, 2018 | - | MR | No | No | - | TT | - | Addressed | - | - | |
| Mar 1, 2016 | - | TT | Yes | No | - | - | - | Resolved | Jan 1, 2020 | - | |
| Mar 1, 2016 | - | TT | Yes | No | - | - | - | Resolved | Jan 1, 2020 | - | |
| Jul 1, 2005 | - | TT | Yes | No | - | TT | - | Resolved | Feb 7, 2007 | - | |
| Jul 1, 2005 | - | TT | Yes | No | - | TT | - | Resolved | Feb 7, 2007 | - | |
| Jan 1, 1999 | - | TT | Yes | No | - | TT | - | Resolved | Feb 28, 2000 | - | |
| Jan 1, 1999 | - | TT | Yes | No | - | TT | - | Resolved | Feb 28, 2000 | - | |
| Jul 1, 1997 | Jul 31, 1997 | MCL | Yes | No | - | 5% of samples | - | Archived | Jul 31, 1997 | - | |
| Jan 1, 1997 | - | TT | Yes | No | - | TT | - | Resolved | Mar 19, 1998 | - | |
| Jan 1, 1997 | - | TT | Yes | No | - | TT | - | Resolved | Mar 19, 1998 | - | |
| Jan 1, 1997 | - | TT | Yes | No | - | TT | - | Resolved | Mar 19, 1998 | - | |
| Sep 1, 1996 | Sep 30, 1996 | MCL | Yes | No | - | 5% of samples | - | Archived | Sep 30, 1996 | - | |
| Oct 1, 1995 | Oct 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Archived | Oct 31, 1995 | - | |
| Sep 1, 1995 | Sep 30, 1995 | MCL | Yes | No | - | 5% of samples | - | Archived | Sep 30, 1995 | - | |
| Sep 1, 1995 | Sep 30, 1995 | MCL | Yes | No | - | 5% of samples | - | Archived | Sep 30, 1995 | - | |
| Aug 1, 1995 | Aug 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Archived | Aug 31, 1995 | - | |
| Jul 1, 1995 | Jul 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Archived | Jul 31, 1995 | - | |
| Jun 1, 1995 | Jun 30, 1995 | MCL | Yes | No | - | 5% of samples | - | Archived | Jun 30, 1995 | - | |
| May 1, 1995 | May 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Archived | May 31, 1995 | - | |
| Jan 1, 1994 | - | TT | Yes | No | - | TT | - | Resolved | Mar 21, 1995 | - | |
| Jan 1, 1994 | - | TT | Yes | No | - | TT | - | Resolved | Mar 21, 1995 | - | |
| Jan 1, 1993 | - | TT | Yes | No | - | TT | - | Resolved | Mar 21, 1995 | - | |
| Jan 1, 1993 | - | TT | Yes | No | - | TT | - | Resolved | Mar 21, 1995 | - | |
| May 1, 1992 | May 31, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 1992 | - | |
| May 1, 1992 | May 31, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 1992 | - | |
| Jan 1, 1992 | May 5, 2000 | TT | Yes | No | - | - | - | Archived | May 5, 2000 | - | |
| Jan 1, 1992 | - | TT | Yes | No | - | TT | - | Resolved | Mar 21, 1995 | - | |
| Jan 1, 1992 | - | TT | Yes | No | - | TT | - | Resolved | Mar 21, 1995 | - | |
| Aug 1, 1991 | Aug 31, 1991 | MCL | Yes | No | - | 5% of samples | - | Archived | Aug 31, 1991 | - | |
| Jun 1, 1991 | Jun 30, 1991 | MCL | Yes | No | - | 5% of samples | - | Archived | Jun 30, 1991 | - | |
| Feb 1, 1991 | Feb 28, 1991 | MCL | Yes | No | - | 5% of samples | - | Archived | Feb 28, 1991 | - | |
| Feb 1, 1991 | Feb 28, 1991 | MCL | Yes | No | - | 5% of samples | - | Archived | Feb 28, 1991 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | 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.