MATTAPOISETT WATER DEPARTMENT
Massachusetts — Community Water System — PWSID: MA4173000
System Information
| PWSID | MA4173000 |
| System Name | MATTAPOISETT WATER DEPARTMENT |
| System Type | Community Water System |
| Water Source | Ground Water |
| 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 | MATTAPOISETT |
| ZIP Code | 02739 |
| Address | P.O. BOX 474 |
| Organization | MATTAPOISETT WATER DEPARTMENT |
| Phone | 5087584161 |
Population & Service
| Population Served | 7,685 |
| Service Connections | 3,240 |
Drinking Water Violations (20)
This water system has 20 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2015 | Nov 30, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2015 | — | |
| Nov 1, 2015 | Nov 30, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2015 | — | |
| Sep 1, 2014 | Sep 30, 2014 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2014 | — | |
| Sep 1, 2014 | Sep 30, 2014 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2014 | — | |
| Jun 1, 2013 | Jun 30, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2013 | — | |
| Jun 1, 2013 | Jun 30, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2013 | — | |
| Apr 1, 2001 | Jun 30, 2001 | MR | No | No | — | 10 mg/L | — | Archived | Jun 30, 2001 | — | |
| Jan 1, 1997 | Jan 31, 1997 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 31, 1997 | — | |
| Sep 1, 1995 | Sep 30, 1995 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1995 | — | |
| Aug 1, 1995 | Aug 31, 1995 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 1995 | — | |
| Jun 1, 1995 | Jun 30, 1995 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 1995 | — | |
| Oct 1, 1992 | Oct 31, 1992 | MCL | Yes | No | — | 5% of samples | — | Archived | Oct 31, 1992 | — | |
| Nov 1, 1991 | Nov 30, 1991 | MCL | Yes | No | — | 5% of samples | — | Archived | Nov 30, 1991 | — | |
| — | — | — | 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.