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 | Dec 17, 2025 |
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 (8)
This water system has 8 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 1, 2012 | Aug 31, 2012 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2012 | Total Coliform 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 |
| Jan 1, 1992 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Mar 21, 1995 | Lead and Copper Rule |
| Jul 1, 1991 | Jul 31, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 1991 | Total Coliform Rule |
| Jul 1, 1991 | Jul 31, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 1991 | Total Coliform Rule |
| Jul 1, 1991 | Jul 31, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 1991 | Total Coliform Rule |
| Jul 1, 1991 | Jul 31, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 1991 | Total Coliform 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.