OAK GROVE MONTESSORI SCHOOL
Connecticut — Non-Transient Non-Community — PWSID: CT0781263
System Information
| PWSID | CT0781263 |
| System Name | OAK GROVE 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 | Mar 13, 1995 |
| Last Reported | Dec 15, 2025 |
Location & Contact
| State | Connecticut |
| City | MANSFIELD CENTER |
| ZIP Code | 06250 |
| Address | 132 Pleasant Valley Road |
| Organization | PAHL, LEELA |
| Phone | 860-456-1031 |
Population & Service
| Population Served | 77 |
| Service Connections | 1 |
Drinking Water Violations (15)
This water system has 15 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, 2021 | Dec 31, 2021 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Dec 31, 2021 | Revised Total Coliform Rule |
| Oct 1, 2021 | Dec 31, 2021 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Dec 31, 2021 | Revised Total Coliform Rule |
| Oct 1, 2021 | Dec 31, 2021 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Dec 31, 2021 | Revised Total Coliform Rule |
| Dec 30, 2018 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | May 3, 2019 | Lead and Copper Rule |
| Oct 1, 2010 | Oct 31, 2010 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2010 | Total Coliform Rule |
| Oct 1, 2010 | Oct 31, 2010 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2010 | Total Coliform Rule |
| Oct 1, 2010 | Oct 31, 2010 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2010 | Total Coliform Rule |
| Oct 1, 2010 | Oct 31, 2010 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2010 | Total Coliform Rule |
| Jul 1, 2010 | Sep 30, 2010 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2010 | Total Coliform Rule |
| Jul 1, 2010 | Sep 30, 2010 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2010 | Total Coliform Rule |
| Jul 1, 2010 | Sep 30, 2010 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2010 | Total Coliform Rule |
| Jul 1, 2010 | Sep 30, 2010 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2010 | Total Coliform Rule |
| Jul 1, 2002 | Jul 31, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2002 | Total Coliform Rule |
| Apr 1, 2002 | Jun 30, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2002 | Total Coliform Rule |
| Apr 1, 2002 | Jun 30, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2002 | Total Coliform Rule |
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.