HENRY P. CLOUGH SCHOOL
Massachusetts — Non-Transient Non-Community — PWSID: MA2179005
System Information
| PWSID | MA2179005 |
| System Name | HENRY P. CLOUGH SCHOOL |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 01 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Feb 29, 1980 |
| Last Reported | Mar 17, 2026 |
Location & Contact
| State | Massachusetts |
| City | MENDON |
| ZIP Code | 01756 |
| Address | 150 NORTH AVE |
| Organization | MENDON UPTON REGIONAL SCHOOL DISTRICT |
| Phone | 5086341580 |
Population & Service
| Population Served | 460 |
| Service Connections | 1 |
Drinking Water Violations (139)
This water system has 139 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2023 | — | MR | No | No | — | TT | — | Resolved | Jul 11, 2023 | — | |
| Apr 1, 2023 | — | MR | No | No | — | TT | — | Resolved | Jul 11, 2023 | — | |
| Apr 1, 2021 | — | MR | No | No | — | TT | — | Resolved | Mar 24, 2022 | — | |
| Apr 1, 2021 | — | MR | No | No | — | TT | — | Resolved | Mar 24, 2022 | — | |
| Apr 1, 2021 | — | MR | No | No | — | TT | — | Resolved | Mar 24, 2022 | — | |
| Dec 30, 2020 | — | MR | No | No | — | TT | — | Resolved | Aug 11, 2021 | — | |
| Dec 30, 2020 | — | MR | No | No | — | TT | — | Resolved | Aug 11, 2021 | — | |
| Dec 30, 2017 | — | MR | No | No | — | TT | — | Resolved | Nov 13, 2023 | — | |
| Dec 30, 2017 | — | MR | No | No | — | TT | — | Resolved | Nov 13, 2023 | — | |
| Jan 1, 2014 | Jan 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2014 | — | |
| Jan 1, 2014 | Jan 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2014 | — | |
| Dec 1, 2013 | Dec 31, 2013 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2013 | — | |
| Dec 1, 2013 | Dec 31, 2013 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2013 | — | |
| Oct 1, 2013 | Dec 31, 2013 | MR | No | No | — | 10 mg/L | — | Resolved | Dec 31, 2013 | — | |
| Oct 1, 2013 | Dec 31, 2013 | MR | No | No | — | 10 mg/L | — | Resolved | Dec 31, 2013 | — | |
| Oct 1, 2013 | Oct 31, 2013 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2013 | — | |
| Oct 1, 2013 | Oct 31, 2013 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2013 | — | |
| Jul 1, 2013 | — | MR | No | No | — | TT | — | Resolved | Jul 2, 2014 | — | |
| Jul 1, 2013 | — | MR | No | No | — | TT | — | Resolved | Jul 2, 2014 | — | |
| Jun 1, 2012 | Jun 30, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2012 | — | |
| Jun 1, 2012 | Jun 30, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2012 | — | |
| Apr 1, 2012 | Jun 30, 2012 | MR | No | No | — | 10 mg/L | — | Resolved | Jun 30, 2012 | — | |
| Apr 1, 2012 | Jun 30, 2012 | MR | No | No | — | 10 mg/L | — | Resolved | Jun 30, 2012 | — | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | No | — | 10 mg/L | — | Resolved | Sep 30, 2008 | — | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | No | — | 10 mg/L | — | Resolved | Sep 30, 2008 | — | |
| Sep 1, 2001 | Sep 30, 2001 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2001 | — | |
| Sep 1, 2001 | Sep 30, 2001 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2001 | — | |
| Aug 1, 2001 | Aug 31, 2001 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2001 | — | |
| Aug 1, 2001 | Aug 31, 2001 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2001 | — | |
| Jul 1, 2001 | Jul 31, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2001 | — | |
| Jul 1, 2001 | Jul 31, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2001 | — | |
| Jun 1, 2001 | Jun 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2001 | — | |
| Jun 1, 2001 | Jun 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2001 | — | |
| Apr 1, 2001 | Apr 30, 2001 | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 2001 | — | |
| Apr 1, 2001 | Apr 30, 2001 | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 2001 | — | |
| Apr 1, 2001 | Apr 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2001 | — | |
| Apr 1, 2001 | Apr 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2001 | — | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | No | — | 0.001 mg/L | — | Archived | Jun 30, 1997 | — | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | No | — | 0.002 mg/L | — | Archived | Jun 30, 1997 | — | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | No | — | 0.001 mg/L | — | Archived | Jun 30, 1997 | — | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | No | — | 0.0005 mg/L | — | Archived | Jun 30, 1997 | — | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | No | — | 0.0004 mg/L | — | Archived | Jun 30, 1997 | — | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | No | — | — | — | Archived | Jun 30, 1997 | — | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | No | — | 0.00005 mg/L | — | Archived | Jun 30, 1997 | — | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | No | — | 0.0002 mg/L | — | Archived | Jun 30, 1997 | — | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | No | — | 0.07 mg/L | — | Archived | Jun 30, 1997 | — | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | No | — | 0.2 mg/L | — | Archived | Jun 30, 1997 | — | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | No | — | 0.2 mg/L | — | Archived | Jun 30, 1997 | — | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | No | — | 0.0002 mg/L | — | Archived | Jun 30, 1997 | — | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | No | — | 0.004 mg/L | — | Archived | Jun 30, 1997 | — |
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.