MENDON WATER DEPARTMENT
Massachusetts - Community Water System - PWSID: MA2179000
System Information
| PWSID | MA2179000 |
| System Name | MENDON WATER DEPARTMENT |
| System Type | Community Water System |
| Water Source | GUP |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 01 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Dec 15, 1993 |
| Last Reported | Mar 17, 2026 |
Location & Contact
| State | Massachusetts |
| City | MENDON |
| ZIP Code | 01756 |
| Address | 20 MAIN ST |
| Organization | MENDON WATER COMMISSION |
| Phone | 5084732547 |
Population & Service
| Population Served | 470 |
| Service Connections | 153 |
Drinking Water Violations (63)
This water system has 63 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Jun 17, 2014 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Jun 17, 2014 | - | |
| Jul 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Aug 20, 2014 | - | |
| Jul 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Aug 20, 2014 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Dec 31, 2012 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Dec 31, 2012 | - | |
| Dec 1, 2008 | Dec 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2008 | - | |
| Dec 1, 2008 | Dec 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2008 | - | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | No | - | 4.0 mg/L | - | Resolved | Jun 30, 2008 | - | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | No | - | 4.0 mg/L | - | Resolved | Jun 30, 2008 | - | |
| Jul 1, 2006 | - | Other | No | No | - | - | - | Resolved | Jul 21, 2006 | - | |
| Jul 1, 2006 | - | Other | No | No | - | - | - | Resolved | Jul 21, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | No | - | 4.0 mg/L | - | Archived | Mar 31, 2006 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 28, 2006 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 28, 2006 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 28, 2006 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 28, 2006 | - | |
| Oct 1, 2005 | Dec 31, 2005 | MR | No | No | - | 4.0 mg/L | - | Archived | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | - | - | - | Archived | Jun 30, 1998 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | - | 4 mrem/yr | - | Archived | Jun 30, 1998 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | - | - | - | Archived | Jun 30, 1998 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | - | - | - | Archived | Jun 30, 1998 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | - | - | - | Archived | Jun 30, 1998 | - | |
| Jul 1, 1996 | - | MR | No | No | - | TT | - | Resolved | Jul 24, 2001 | - | |
| Jul 1, 1996 | - | MR | No | No | - | TT | - | Resolved | Jul 24, 2001 | - | |
| Jul 1, 1996 | - | MR | No | No | - | TT | - | Resolved | Jul 24, 2001 | - | |
| Oct 1, 1995 | Dec 31, 1995 | MR | No | No | - | 7 MFL | - | Archived | Dec 31, 1995 | - | |
| Jul 1, 1995 | - | MR | No | No | - | TT | - | Resolved | Jul 24, 2001 | - | |
| Jul 1, 1995 | - | MR | No | No | - | TT | - | Resolved | Jul 24, 2001 | - | |
| Jul 1, 1995 | Dec 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1995 | - | |
| Jul 1, 1995 | - | MR | No | No | - | TT | - | Resolved | Jul 24, 2001 | - | |
| Jul 1, 1995 | Dec 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Jun 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1995 | - | |
| Jan 1, 1995 | Jun 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1995 | - | |
| Jan 1, 1995 | Jun 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1995 | - | |
| Jan 1, 1995 | Jun 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1995 | - | |
| Jan 1, 1995 | Jun 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1995 | - | |
| Jan 1, 1995 | Jun 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1995 | - | |
| Jan 1, 1995 | Jun 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1995 | - | |
| Jan 1, 1995 | Jun 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1995 | - | |
| Jan 1, 1995 | Jun 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1995 | - | |
| Jan 1, 1995 | Jun 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1995 | - | |
| Jan 1, 1995 | Jun 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1995 | - | |
| Jan 1, 1995 | Jun 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1995 | - | |
| Jul 1, 1994 | - | MR | No | No | - | TT | - | Resolved | Jul 24, 2001 | - | |
| Jul 1, 1994 | - | MR | No | No | - | TT | - | Resolved | Jul 24, 2001 | - |
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.