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 | Dec 17, 2025 |
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 (19)
This water system has 19 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2005 | Dec 31, 2005 | Chlorine | MR | No | No | — | 4.0 mg/L | — | Archived | Dec 31, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 1998 | Jun 30, 1998 | Tritium | MR | No | No | — | — | — | Archived | Jun 30, 1998 | Radionuclides and Revised Rad Rule |
| Apr 1, 1998 | Jun 30, 1998 | Gross Beta Particle Activity | MR | No | No | — | 4 mrem/yr | — | Archived | Jun 30, 1998 | Radionuclides and Revised Rad Rule |
| Jul 1, 1996 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 24, 2001 | Lead and Copper Rule |
| Jul 1, 1996 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 24, 2001 | Lead and Copper Rule |
| Jul 1, 1996 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 24, 2001 | Lead and Copper Rule |
| Oct 1, 1995 | Dec 31, 1995 | Asbestos | MR | No | No | — | 7 MFL | — | Archived | Dec 31, 1995 | Inorganic Chemicals |
| Jul 1, 1995 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 24, 2001 | Lead and Copper Rule |
| Jul 1, 1995 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 24, 2001 | Lead and Copper Rule |
| Jan 1, 1995 | Jun 30, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1995 | Total Coliform Rule |
| Jul 1, 1994 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 24, 2001 | Lead and Copper Rule |
| Jul 1, 1994 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 24, 2001 | Lead and Copper Rule |
| Jul 1, 1994 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 24, 2001 | Lead and Copper Rule |
| Jan 1, 1994 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 24, 2001 | Lead and Copper Rule |
| Jan 1, 1994 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 24, 2001 | Lead and Copper Rule |
| Jan 1, 1994 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 24, 2001 | Lead and Copper Rule |
| Jul 1, 1993 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 24, 2001 | Lead and Copper Rule |
| Jul 1, 1993 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 24, 2001 | Lead and Copper Rule |
| Jul 1, 1993 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 24, 2001 | Lead and Copper 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.