OAK GROVE MONTESSORI SCHOOL
PWS ID: CT0781263 · MANSFIELD CENTER, Connecticut 06250
Population Served
77
Total Violations
67
Health-Based Violations
13
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Tolland
- School/Daycare
- Yes
- MCL Violations
- 12
- Monitoring Violations
- 53
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 12 | 2010 |
| Nickel | MR | 4 | 1995 |
| Antimony, Total | MR | 4 | 1995 |
| Beryllium, Total | MR | 4 | 1995 |
| Thallium, Total | MR | 4 | 1995 |
| Arsenic | MR | 4 | 1995 |
| Revised Total Coliform Rule | MON | 4 | 2021 |
| Barium | MR | 4 | 1995 |
| Cadmium | MR | 4 | 1995 |
| Chromium | MR | 4 | 1995 |
| Fluoride | MR | 4 | 1995 |
| Mercury | MR | 4 | 1995 |
| Selenium | MR | 4 | 1995 |
| CYANIDE | MR | 4 | 1995 |
| LEAD AND COPPER RULE REVISIONS | TT | 1 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 1 | 2024 |
| Lead and Copper Rule | MR | 1 | 2018 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.