AYER DPW WATER DIVISION
Massachusetts - Community Water System - PWSID: MA2019000
System Information
| PWSID | MA2019000 |
| System Name | AYER DPW WATER DIVISION |
| 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 | AYER |
| ZIP Code | 01432 |
| Address | 25 BROOK STREET |
| Organization | AYER DPW WATER DIVISION |
| Phone | 9787728240 |
Population & Service
| Population Served | 8,479 |
| Service Connections | 3,340 |
Drinking Water Violations (55)
This water system has 55 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, 2023 | - | MR | No | No | - | TT | - | Resolved | Feb 29, 2024 | - | |
| Jul 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Feb 29, 2024 | - | |
| Jul 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Nov 28, 2022 | - | |
| Jul 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Nov 28, 2022 | - | |
| Jan 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Nov 28, 2022 | - | |
| Jan 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Nov 28, 2022 | - | |
| Jul 1, 2019 | - | Other | No | No | - | - | - | Resolved | Sep 16, 2019 | - | |
| Jul 1, 2019 | - | Other | No | No | - | - | - | Resolved | Sep 16, 2019 | - | |
| Dec 30, 2017 | - | MR | No | No | - | TT | - | Resolved | Jul 13, 2018 | - | |
| Dec 30, 2017 | - | MR | No | No | - | TT | - | Resolved | Jul 13, 2018 | - | |
| Apr 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Oct 29, 2013 | - | |
| Apr 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Oct 29, 2013 | - | |
| Jan 1, 2010 | Mar 31, 2010 | MR | No | No | - | 0.010 mg/L | - | Resolved | Mar 31, 2010 | - | |
| Jan 1, 2010 | Mar 31, 2010 | MR | No | No | - | 0.010 mg/L | - | Resolved | Mar 31, 2010 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MR | No | No | - | 0.010 mg/L | - | Resolved | Jun 30, 2009 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MR | No | No | - | 0.010 mg/L | - | Resolved | Jun 30, 2009 | - | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | No | - | 0.010 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | No | - | 0.010 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jul 1, 2006 | - | Other | No | No | - | - | - | Resolved | Jul 13, 2006 | - | |
| Jul 1, 2006 | - | Other | No | No | - | - | - | Resolved | Jul 13, 2006 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | No | - | 0.060 mg/L | - | Resolved | Sep 15, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | No | - | 0.060 mg/L | - | Resolved | Sep 15, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | No | - | 0.080 mg/L | - | Resolved | Sep 15, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | No | - | 0.080 mg/L | - | Resolved | Sep 15, 2005 | - | |
| Sep 1, 2000 | Sep 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2000 | - | |
| Sep 1, 2000 | Sep 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2000 | - | |
| Mar 1, 2000 | Mar 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2000 | - | |
| Mar 1, 2000 | Mar 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2000 | - | |
| Oct 1, 1998 | Dec 31, 1998 | MR | No | No | - | 0.010 mg/L | - | Archived | Dec 31, 1998 | - | |
| Oct 1, 1998 | Dec 31, 1998 | MR | No | No | - | 0.002 mg/L | - | Archived | Dec 31, 1998 | - | |
| Oct 1, 1998 | Dec 31, 1998 | MR | No | No | - | 0.004 mg/L | - | Archived | Dec 31, 1998 | - | |
| Oct 1, 1998 | Dec 31, 1998 | MR | No | No | - | 4.0 mg/L | - | Archived | Dec 31, 1998 | - | |
| Oct 1, 1998 | Dec 31, 1998 | MR | No | No | - | 0.002 mg/L | - | Archived | Dec 31, 1998 | - | |
| Oct 1, 1998 | Dec 31, 1998 | MR | No | No | - | 0.05 mg/L | - | Archived | Dec 31, 1998 | - | |
| Oct 1, 1998 | Dec 31, 1998 | MR | No | No | - | 0.006 mg/L | - | Archived | Dec 31, 1998 | - | |
| Oct 1, 1998 | Dec 31, 1998 | MR | No | No | - | - | - | Archived | Dec 31, 1998 | - | |
| Oct 1, 1998 | Dec 31, 1998 | MR | No | No | - | 0.1 mg/L | - | Archived | Dec 31, 1998 | - | |
| Oct 1, 1998 | Dec 31, 1998 | MR | No | No | - | 0.005 mg/L | - | Archived | Dec 31, 1998 | - | |
| Oct 1, 1998 | Dec 31, 1998 | MR | No | No | - | 2 mg/L | - | Archived | Dec 31, 1998 | - | |
| Oct 1, 1998 | Dec 31, 1998 | MR | No | No | - | 0.2 mg/L | - | Archived | Dec 31, 1998 | - | |
| Jul 1, 1996 | Sep 30, 1996 | MR | No | No | - | 10 mg/L | - | Resolved | Sep 30, 1996 | - | |
| Jul 1, 1996 | Sep 30, 1996 | MR | No | No | - | 10 mg/L | - | Resolved | Sep 30, 1996 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | No | - | 7 MFL | - | Resolved | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | No | - | 7 MFL | - | Resolved | Sep 30, 1995 | - | |
| Jul 1, 1992 | Jan 8, 1993 | MR | No | No | - | TT | - | Archived | Jan 8, 1993 | - | |
| - | - | - | 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.