LEXINGTON WATER DEPT. (MWRA)
Massachusetts — Community Water System — PWSID: MA3155000
System Information
| PWSID | MA3155000 |
| System Name | LEXINGTON 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 | Yes |
| First Reported | Feb 26, 1979 |
| Last Reported | Mar 17, 2026 |
Location & Contact
| State | Massachusetts |
| City | LEXINGTON |
| ZIP Code | 02420 |
| Address | 201 BEDFORD ST |
| Organization | LEXINGTON WATER DEPT. (MWRA) |
| Phone | 7812748356 |
Population & Service
| Population Served | 34,074 |
| Service Connections | 13,445 |
Drinking Water Violations (18)
This water system has 18 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, 2024 | — | MR | No | No | — | TT | — | Addressed | — | — | |
| Jan 1, 1999 | — | TT | Yes | No | — | TT | — | Resolved | Apr 1, 2000 | — | |
| Jan 1, 1999 | — | TT | Yes | No | — | TT | — | Resolved | Apr 1, 2000 | — | |
| Aug 1, 1994 | Aug 31, 1994 | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1994 | — | |
| Jan 1, 1994 | — | TT | Yes | No | — | TT | — | Resolved | Mar 16, 1995 | — | |
| Jan 1, 1994 | — | TT | Yes | No | — | TT | — | Resolved | Mar 16, 1995 | — | |
| Jan 1, 1993 | — | TT | Yes | No | — | TT | — | Resolved | Mar 16, 1995 | — | |
| Jan 1, 1993 | — | TT | Yes | No | — | TT | — | Resolved | Mar 16, 1995 | — | |
| Jan 1, 1992 | May 5, 2000 | TT | Yes | No | — | — | — | Archived | May 5, 2000 | — | |
| Jan 1, 1992 | — | TT | Yes | No | — | TT | — | Resolved | Mar 16, 1995 | — | |
| Jan 1, 1992 | — | TT | Yes | No | — | TT | — | Resolved | Mar 16, 1995 | — | |
| Aug 1, 1991 | Aug 31, 1991 | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1991 | — | |
| Aug 1, 1991 | Aug 31, 1991 | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1991 | — | |
| — | — | — | 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.