MOUNT SAINT JOHN SCHOOL
Connecticut - Non-Transient Non-Community - PWSID: CT0363011
System Information
| PWSID | CT0363011 |
| System Name | MOUNT SAINT JOHN SCHOOL |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Non-Inventory |
| Owner Type | Private |
| EPA Region | 01 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Jan 4, 1985 |
| Last Reported | Mar 30, 2026 |
Location & Contact
| State | Connecticut |
| City | DEEP RIVER |
| ZIP Code | 06417 |
| Address | 135 Kirtland St |
| Organization | POTEMRI, PAMELA L |
| Phone | 860-343-1357 |
Population & Service
| Population Served | 40 |
| Service Connections | 1 |
Drinking Water Violations (126)
This water system has 126 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 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Apr 30, 2020 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Apr 30, 2020 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Apr 30, 2020 | - | |
| Aug 10, 2017 | - | Other | No | No | - | - | - | Resolved | Feb 13, 2018 | - | |
| Aug 10, 2017 | - | Other | No | No | - | - | - | Resolved | Feb 13, 2018 | - | |
| Dec 30, 2016 | - | MR | No | No | - | TT | - | Resolved | Apr 30, 2020 | - | |
| Dec 30, 2016 | - | MR | No | No | - | TT | - | Resolved | Apr 30, 2020 | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Feb 23, 2017 | - | |
| Aug 10, 2015 | - | Other | No | No | - | - | - | Resolved | Nov 4, 2015 | - | |
| Aug 10, 2015 | - | Other | No | No | - | - | - | Resolved | Nov 4, 2015 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Oct 30, 2015 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Oct 30, 2015 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | Jul 11, 2011 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | Jul 11, 2011 | - | |
| Jul 1, 2010 | - | Other | No | No | - | - | - | Archived | May 13, 2020 | - | |
| Jul 1, 1996 | - | TT | Yes | No | - | TT | - | Resolved | Dec 28, 1996 | - | |
| Jul 1, 1996 | - | TT | Yes | No | - | TT | - | Resolved | Dec 28, 1996 | - | |
| Jul 1, 1996 | - | TT | Yes | No | - | TT | - | Resolved | Dec 28, 1996 | - | |
| Jan 1, 1996 | Dec 28, 1996 | TT | Yes | No | - | TT | - | Archived | Dec 28, 1996 | - | |
| Jan 1, 1995 | - | TT | Yes | No | - | TT | - | Resolved | Dec 28, 1996 | - | |
| Jan 1, 1995 | - | TT | Yes | No | - | TT | - | Resolved | Dec 28, 1996 | - | |
| Jul 1, 1994 | Dec 28, 1996 | TT | Yes | No | - | TT | - | Archived | Dec 28, 1996 | - | |
| Jan 1, 1994 | - | MR | No | No | - | TT | - | Resolved | May 15, 1994 | - | |
| Jan 1, 1994 | - | MR | No | No | - | TT | - | Resolved | May 15, 1994 | - | |
| Jan 1, 1994 | - | MR | No | No | - | TT | - | Resolved | May 15, 1994 | - | |
| Jan 1, 1994 | - | MR | No | No | - | TT | - | Resolved | May 15, 1994 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.00005 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.00005 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.00005 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.00005 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 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.