COLCHESTER COMMONS
Connecticut - Community Water System - PWSID: CT0286011
System Information
| PWSID | CT0286011 |
| System Name | COLCHESTER COMMONS |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 01 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Dec 29, 1986 |
| Last Reported | Mar 30, 2026 |
Location & Contact
| State | Connecticut |
| City | COLCHESTER |
| ZIP Code | 06415 |
| Address | 17 Colchester Commons |
| Organization | MARTIN, LINDA |
| Phone | 860-965-6345 |
Population & Service
| Population Served | 224 |
| Service Connections | 96 |
Drinking Water Violations (331)
This water system has 331 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 30, 2024 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2024 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 1, 2022 | Oct 31, 2022 | MCL | Yes | No | - | - | - | Resolved | Oct 31, 2022 | - | |
| Oct 1, 2022 | Oct 31, 2022 | MCL | Yes | No | - | - | - | Resolved | Oct 31, 2022 | - | |
| Oct 1, 2022 | Oct 31, 2022 | MCL | Yes | No | - | - | - | Resolved | Oct 31, 2022 | - | |
| Oct 1, 2022 | Oct 31, 2022 | MCL | Yes | No | - | - | - | Resolved | Oct 31, 2022 | - | |
| Jul 21, 2020 | - | MR | No | Yes | - | - | - | Resolved | Sep 24, 2020 | - | |
| Jul 21, 2020 | - | MR | No | Yes | - | - | - | Resolved | Sep 24, 2020 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2020 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2020 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2020 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2020 | - | |
| Mar 10, 2019 | - | RPT | No | No | - | - | - | Resolved | May 22, 2019 | - | |
| Mar 10, 2019 | - | RPT | No | No | - | - | - | Resolved | May 22, 2019 | - | |
| Mar 10, 2019 | - | RPT | No | No | - | - | - | Resolved | May 22, 2019 | - | |
| Mar 10, 2019 | - | RPT | No | No | - | - | - | Resolved | May 22, 2019 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Jul 6, 2017 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Jul 6, 2017 | - | |
| Sep 1, 2012 | Sep 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2012 | - | |
| Sep 1, 2012 | Sep 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2012 | - | |
| Sep 1, 2012 | Sep 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2012 | - | |
| Sep 1, 2012 | Sep 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2012 | - | |
| Sep 1, 2012 | Sep 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2012 | - | |
| Aug 1, 2012 | Aug 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2012 | - | |
| Aug 1, 2012 | Aug 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2012 | - | |
| Aug 1, 2012 | Aug 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2012 | - | |
| Aug 1, 2012 | Aug 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2012 | - | |
| Aug 1, 2012 | Aug 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2012 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Aug 2, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Aug 2, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Nov 6, 2011 | - | Other | No | No | - | - | - | Resolved | Aug 28, 2012 | - | |
| Nov 6, 2011 | - | Other | No | No | - | - | - | Resolved | Aug 28, 2012 | - | |
| Oct 8, 2011 | - | Other | No | No | - | - | - | Resolved | Aug 28, 2012 | - | |
| Oct 8, 2011 | - | Other | No | No | - | - | - | Resolved | Aug 28, 2012 | - | |
| Sep 1, 2011 | Sep 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Sep 1, 2011 | Sep 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Sep 1, 2011 | Sep 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Sep 1, 2011 | Sep 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Sep 1, 2011 | Sep 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Sep 1, 2011 | Sep 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Sep 1, 2011 | Sep 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Sep 1, 2011 | Sep 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Sep 1, 2011 | Sep 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Sep 1, 2011 | Sep 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - |
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.