WALTHAM WATER DEPARTMENT
Massachusetts - Community Water System - PWSID: MA3308000
System Information
| PWSID | MA3308000 |
| System Name | WALTHAM WATER DEPARTMENT |
| 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 | Mar 17, 2026 |
Location & Contact
| State | Massachusetts |
| City | WALTHAM |
| ZIP Code | 02452 |
| Address | 167 LEXINGTON STREET |
| Organization | WALTHAM WATER DEPARTMENT |
| Phone | 7813143820 |
Population & Service
| Population Served | 65,218 |
| Service Connections | 14,042 |
Drinking Water Violations (36)
This water system has 36 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, 2025 | - | MR | No | No | - | TT | - | Addressed | - | - | |
| Jul 1, 2015 | - | MR | No | No | - | TT | - | Resolved | Jul 2, 2016 | - | |
| Jul 1, 2015 | - | MR | No | No | - | TT | - | Resolved | Jul 2, 2016 | - | |
| Sep 1, 2013 | Sep 30, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2013 | - | |
| Sep 1, 2013 | Sep 30, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2013 | - | |
| Sep 1, 2012 | Sep 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2012 | - | |
| Sep 1, 2012 | Sep 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2012 | - | |
| Aug 1, 2012 | Aug 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2012 | - | |
| Aug 1, 2012 | Aug 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2012 | - | |
| May 1, 2008 | May 31, 2008 | MR | No | No | - | 5% of samples | - | Archived | May 31, 2008 | - | |
| Jan 1, 1999 | - | TT | Yes | No | - | TT | - | Resolved | Apr 1, 2000 | - | |
| Jan 1, 1999 | - | TT | Yes | No | - | TT | - | Resolved | Apr 1, 2000 | - | |
| Jan 1, 1997 | - | TT | Yes | No | - | TT | - | Resolved | Mar 17, 1998 | - | |
| Jan 1, 1997 | - | TT | Yes | No | - | TT | - | Resolved | Mar 17, 1998 | - | |
| 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 | - | |
| Jan 1, 1992 | - | TT | Yes | No | - | TT | - | Resolved | Mar 21, 1995 | - | |
| Jan 1, 1992 | - | TT | Yes | No | - | TT | - | Resolved | Mar 21, 1995 | - | |
| Jan 1, 1992 | May 5, 2000 | TT | Yes | No | - | - | - | Archived | May 5, 2000 | - | |
| Jul 1, 1991 | Jul 31, 1991 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1991 | - | |
| Jul 1, 1991 | Jul 31, 1991 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1991 | - | |
| Jul 1, 1991 | Jul 31, 1991 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1991 | - | |
| Jul 1, 1991 | Jul 31, 1991 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 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.