MOUNT HOPE MONTESSORI SCHOOL
Connecticut - Non-Transient Non-Community - PWSID: CT0780122
System Information
| PWSID | CT0780122 |
| System Name | MOUNT HOPE MONTESSORI SCHOOL |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 01 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Jul 20, 1979 |
| Last Reported | Mar 30, 2026 |
Location & Contact
| State | Connecticut |
| City | MANSFIELD CENTER |
| ZIP Code | 06250 |
| Address | P.O. Box 267 |
| Organization | CLARK, ERIN |
| Phone | 860-423-1070 |
Population & Service
| Population Served | 88 |
| Service Connections | 1 |
Drinking Water Violations (50)
This water system has 50 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Jun 3, 2021 | - | Other | No | No | - | - | - | Resolved | Sep 15, 2021 | - | |
| Jun 3, 2021 | - | Other | No | No | - | - | - | Resolved | Sep 15, 2021 | - | |
| Jul 1, 2018 | Sep 30, 2018 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2018 | - | |
| Jul 1, 2018 | Sep 30, 2018 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2018 | - | |
| Jul 1, 2018 | Sep 30, 2018 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2018 | - | |
| Jul 1, 2018 | Sep 30, 2018 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2018 | - | |
| Jan 30, 2011 | - | Other | No | No | - | - | - | Resolved | May 10, 2011 | - | |
| Jan 30, 2011 | - | Other | No | No | - | - | - | Resolved | May 10, 2011 | - | |
| Jan 30, 2011 | - | Other | No | No | - | - | - | Resolved | May 10, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2019 | MR | No | Yes | - | 7 MFL | - | Archived | Dec 31, 2019 | - | |
| Jan 1, 2011 | Dec 31, 2019 | MR | No | Yes | - | 7 MFL | - | Archived | Dec 31, 2019 | - | |
| Jan 1, 2011 | Dec 31, 2019 | MR | No | Yes | - | 7 MFL | - | Archived | Dec 31, 2019 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jul 1, 2003 | Sep 30, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2003 | - | |
| Jul 1, 2003 | Sep 30, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2003 | - | |
| Jul 1, 2003 | Sep 30, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2003 | - | |
| Jul 1, 2003 | Sep 30, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2003 | - | |
| Oct 1, 2000 | Oct 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Oct 27, 2000 | - | |
| Oct 1, 2000 | Oct 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Oct 27, 2000 | - | |
| Oct 1, 2000 | Oct 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Oct 27, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | No | - | TT | - | Resolved | Oct 27, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | No | - | TT | - | Resolved | Oct 27, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | No | - | TT | - | Resolved | Oct 27, 2000 | - | |
| Sep 1, 1998 | Sep 30, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1998 | - | |
| Sep 1, 1998 | Sep 30, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1998 | - | |
| Sep 1, 1998 | Sep 30, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1998 | - | |
| Sep 1, 1998 | Sep 30, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1998 | - | |
| Oct 1, 1994 | Oct 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 1994 | - | |
| Oct 1, 1994 | Oct 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 1994 | - | |
| Oct 1, 1994 | Oct 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 1994 | - | |
| Oct 1, 1994 | Oct 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 1994 | - | |
| Nov 1, 1993 | Nov 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 1993 | - | |
| Nov 1, 1993 | Nov 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 1993 | - | |
| Nov 1, 1993 | Nov 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 1993 | - | |
| Nov 1, 1993 | Nov 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 1993 | - | |
| Sep 1, 1993 | Sep 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1993 | - | |
| Sep 1, 1993 | Sep 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1993 | - | |
| Sep 1, 1993 | Sep 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1993 | - | |
| Aug 1, 1993 | Aug 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1993 | - | |
| Aug 1, 1993 | Aug 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1993 | - | |
| Aug 1, 1993 | Aug 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1993 | - |
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.