MONSON WATER AND SEWER DEPT
Massachusetts — Community Water System — PWSID: MA1191000
System Information
| PWSID | MA1191000 |
| System Name | MONSON WATER AND SEWER DEPT |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 01 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 26, 1979 |
| Last Reported | Mar 17, 2026 |
Location & Contact
| State | Massachusetts |
| City | MONSON |
| ZIP Code | 01057 |
| Address | PO BOX 388 |
| Organization | MONSON WATER & SEWER DEPT |
| Phone | 4132674130 |
Population & Service
| Population Served | 4,212 |
| Service Connections | 1,411 |
Drinking Water Violations (65)
This water system has 65 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, 2010 | Aug 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2010 | — | |
| Aug 1, 2010 | Aug 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2010 | — | |
| Sep 1, 2009 | Sep 30, 2009 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 2009 | — | |
| Sep 1, 2009 | Sep 30, 2009 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 2009 | — | |
| Dec 1, 2008 | Dec 31, 2008 | MCL | Yes | No | — | 5% of samples | — | Archived | Dec 31, 2008 | — | |
| Sep 1, 1999 | Sep 30, 1999 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1999 | — | |
| Apr 1, 1996 | Jun 30, 1996 | MR | No | No | — | 10 mg/L | — | Archived | Jun 30, 1996 | — | |
| Apr 1, 1996 | Jun 30, 1996 | MR | No | No | — | 1 mg/L | — | Archived | Jun 30, 1996 | — | |
| Oct 1, 1995 | Oct 31, 1995 | MCL | Yes | No | — | 5% of samples | — | Archived | Oct 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.0002 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.0002 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.05 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.002 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.04 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.001 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.4 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.00005 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.02 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.002 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.07 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.2 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.007 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.004 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.0002 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.003 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.04 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.006 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.0002 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.1 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.7 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.2 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.5 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | — | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | — | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.0005 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | — | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.003 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | — | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.00000003 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.0004 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.05 mg/L | — | Archived | Mar 31, 1995 | — | |
| Jan 1, 1995 | Mar 31, 1995 | MR | No | No | — | 0.001 mg/L | — | Archived | Mar 31, 1995 | — | |
| Apr 1, 1994 | Jun 30, 1994 | MR | No | No | — | 0.002 mg/L | — | Archived | Jun 30, 1994 | — | |
| Apr 1, 1994 | Jun 30, 1994 | MR | No | No | — | 0.05 mg/L | — | Archived | Jun 30, 1994 | — | |
| Apr 1, 1994 | Jun 30, 1994 | MR | No | No | — | 0.010 mg/L | — | Archived | Jun 30, 1994 | — | |
| Apr 1, 1994 | Jun 30, 1994 | MR | No | No | — | 0.1 mg/L | — | Archived | Jun 30, 1994 | — | |
| Apr 1, 1994 | Jun 30, 1994 | MR | No | No | — | 0.006 mg/L | — | Archived | Jun 30, 1994 | — | |
| Apr 1, 1994 | Jun 30, 1994 | MR | No | No | — | 0.2 mg/L | — | Archived | Jun 30, 1994 | — | |
| Apr 1, 1994 | Jun 30, 1994 | MR | No | No | — | 0.004 mg/L | — | Archived | Jun 30, 1994 | — | |
| Apr 1, 1994 | Jun 30, 1994 | MR | No | No | — | 2 mg/L | — | Archived | Jun 30, 1994 | — |
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.