THE MASTERS SCHOOL
Connecticut - Non-Transient Non-Community - PWSID: CT1280212
System Information
| PWSID | CT1280212 |
| System Name | THE MASTERS 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 | WEST SIMSBURY |
| ZIP Code | 06092 |
| Address | 36 WESTLEDGE ROAD |
| Organization | DAHLSTROM, JONATHAN |
| Phone | 860-651-9361 |
Population & Service
| Population Served | 372 |
| Service Connections | 9 |
Drinking Water Violations (173)
This water system has 173 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, 2022 | Jun 30, 2022 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2022 | - | |
| Jun 4, 2021 | - | Other | No | No | - | - | - | Resolved | Aug 10, 2021 | - | |
| Jun 4, 2021 | - | Other | No | No | - | - | - | Resolved | Aug 10, 2021 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Feb 24, 2020 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Feb 24, 2020 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Feb 24, 2020 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Feb 24, 2020 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Oct 1, 2016 | Dec 31, 2016 | MON | No | Yes | - | - | - | Archived | Dec 31, 2016 | - | |
| Oct 1, 2016 | Dec 31, 2016 | MON | No | Yes | - | - | - | Archived | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.5 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.5 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.5 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.0004 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.0004 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2016 | - |
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.