CHATHAM WATER DEPARTMENT
Massachusetts — Community Water System — PWSID: MA4055000
System Information
| PWSID | MA4055000 |
| System Name | CHATHAM WATER DEPARTMENT |
| 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 | CHATHAM |
| ZIP Code | 02633 |
| Address | 221 CROWELL RD |
| Organization | CHATHAM WATER DEPARTMENT |
| Phone | 5089455150 |
Population & Service
| Population Served | 30,000 |
| Service Connections | 7,277 |
Drinking Water Violations (85)
This water system has 85 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, 2019 | — | MR | No | No | — | TT | — | Resolved | Nov 4, 2019 | — | |
| Oct 1, 2015 | Oct 31, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2015 | — | |
| Oct 1, 2015 | Oct 31, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2015 | — | |
| Sep 1, 2015 | Sep 30, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2015 | — | |
| Sep 1, 2015 | Sep 30, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2015 | — | |
| May 1, 2015 | May 31, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2015 | — | |
| May 1, 2015 | May 31, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2015 | — | |
| May 1, 2012 | May 31, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2012 | — | |
| May 1, 2012 | May 31, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2012 | — | |
| May 1, 2012 | May 31, 2012 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2012 | — | |
| May 1, 2012 | May 31, 2012 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2012 | — | |
| Sep 1, 2009 | Sep 30, 2009 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2009 | — | |
| Sep 1, 2009 | Sep 30, 2009 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2009 | — | |
| Feb 1, 2009 | Feb 28, 2009 | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 28, 2009 | — | |
| Feb 1, 2009 | Feb 28, 2009 | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 28, 2009 | — | |
| Oct 1, 2008 | Oct 31, 2008 | MCL | Yes | No | — | 5% of samples | — | Archived | Oct 31, 2008 | — | |
| Jul 1, 2008 | Jul 31, 2008 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2008 | — | |
| Jul 1, 2008 | Jul 31, 2008 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2008 | — | |
| Sep 1, 2006 | Sep 30, 2006 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2006 | — | |
| Sep 1, 2006 | Sep 30, 2006 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2006 | — | |
| Jul 1, 2006 | Jul 31, 2006 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2006 | — | |
| Jul 1, 2006 | Jul 31, 2006 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2006 | — | |
| Jun 1, 2005 | Jun 30, 2005 | MCL | Yes | No | — | 5% of samples | — | Archived | Jun 30, 2005 | — | |
| Jul 1, 2001 | Jul 31, 2001 | MCL | Yes | No | — | 5% of samples | — | Archived | Jul 31, 2001 | — | |
| Jul 1, 2001 | Jul 31, 2001 | MCL | Yes | No | — | 5% of samples | — | Archived | Jul 31, 2001 | — | |
| Dec 1, 1999 | Dec 31, 1999 | MCL | Yes | No | — | 5% of samples | — | Archived | Dec 31, 1999 | — | |
| Sep 1, 1999 | Sep 30, 1999 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1999 | — | |
| Sep 1, 1996 | Sep 30, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1996 | — | |
| Apr 1, 1996 | Jun 30, 1996 | MR | No | Yes | — | 10 mg/L | — | Archived | Jun 30, 1996 | — | |
| Apr 1, 1996 | Jun 30, 1996 | MR | No | Yes | — | 1 mg/L | — | Archived | Jun 30, 1996 | — | |
| Jan 1, 1996 | Mar 31, 1996 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Mar 31, 1996 | — | |
| Jan 1, 1996 | Mar 31, 1996 | MR | No | Yes | — | 0.1 mg/L | — | Archived | Mar 31, 1996 | — | |
| Jan 1, 1996 | Mar 31, 1996 | MR | No | Yes | — | 0.1 mg/L | — | Archived | Mar 31, 1996 | — | |
| Jan 1, 1996 | Mar 31, 1996 | MR | No | Yes | — | 0.2 mg/L | — | Archived | Mar 31, 1996 | — | |
| Jan 1, 1996 | Mar 31, 1996 | MR | No | Yes | — | 1 mg/L | — | Archived | Mar 31, 1996 | — | |
| Jan 1, 1996 | Mar 31, 1996 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Mar 31, 1996 | — | |
| Jan 1, 1996 | Mar 31, 1996 | MR | No | Yes | — | 0.7 mg/L | — | Archived | Mar 31, 1996 | — | |
| Jan 1, 1996 | Mar 31, 1996 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Mar 31, 1996 | — | |
| Jan 1, 1996 | Mar 31, 1996 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Mar 31, 1996 | — | |
| Jan 1, 1996 | Mar 31, 1996 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Mar 31, 1996 | — | |
| Jan 1, 1996 | Mar 31, 1996 | MR | No | Yes | — | 0.07 mg/L | — | Archived | Mar 31, 1996 | — | |
| Jan 1, 1996 | Mar 31, 1996 | MR | No | Yes | — | 0.07 mg/L | — | Archived | Mar 31, 1996 | — | |
| Jan 1, 1996 | Mar 31, 1996 | MR | No | Yes | — | 10 mg/L | — | Archived | Mar 31, 1996 | — | |
| Jan 1, 1996 | Mar 31, 1996 | MR | No | Yes | — | 0.6 mg/L | — | Archived | Mar 31, 1996 | — | |
| Jan 1, 1996 | Mar 31, 1996 | MR | No | Yes | — | 0.075 mg/L | — | Archived | Mar 31, 1996 | — | |
| Jan 1, 1996 | Mar 31, 1996 | MR | No | Yes | — | 0.002 mg/L | — | Archived | Mar 31, 1996 | — | |
| Jan 1, 1996 | Mar 31, 1996 | MR | No | Yes | — | 0.007 mg/L | — | Archived | Mar 31, 1996 | — | |
| Jan 1, 1996 | Mar 31, 1996 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Mar 31, 1996 | — | |
| Jan 1, 1996 | Mar 31, 1996 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Mar 31, 1996 | — | |
| Jan 1, 1996 | Mar 31, 1996 | MR | No | Yes | — | 0.1 mg/L | — | Archived | Mar 31, 1996 | — |
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.