CTWC - SHORELINE REGION-MASONS ISLAND
Connecticut — Community Water System — PWSID: CT1370051
System Information
| PWSID | CT1370051 |
| System Name | CTWC - SHORELINE REGION-MASONS ISLAND |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 01 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 28, 1980 |
| Last Reported | Mar 30, 2026 |
Location & Contact
| State | Connecticut |
| City | CLINTON |
| ZIP Code | 06413 |
| Address | 93 West Main Street |
| Organization | MCDERMOTT, GERALD |
| Phone | 860-664-6125 |
Population & Service
| Population Served | 445 |
| Service Connections | 194 |
Drinking Water Violations (35)
This water system has 35 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, 2021 | — | MR | No | No | — | TT | — | Resolved | Jan 10, 2022 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2017 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2017 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2017 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2017 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2017 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2017 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2017 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2017 | — | |
| Dec 1, 2014 | Dec 31, 2014 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2014 | — | |
| Dec 1, 2014 | Dec 31, 2014 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2014 | — | |
| Dec 1, 2014 | Dec 31, 2014 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2014 | — | |
| Dec 1, 2014 | Dec 31, 2014 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2014 | — | |
| Dec 1, 2014 | Dec 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2014 | — | |
| Dec 1, 2014 | Dec 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2014 | — | |
| Dec 1, 2014 | Dec 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2014 | — | |
| Dec 1, 2014 | Dec 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2014 | — | |
| Oct 1, 2014 | Dec 31, 2014 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Oct 1, 2014 | Dec 31, 2014 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Oct 1, 2014 | Dec 31, 2014 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Oct 1, 2014 | Dec 31, 2014 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2006 | Mar 31, 2006 | MCL | Yes | No | .07 MG/L | 0.060 mg/L | .06 | Resolved | Mar 31, 2006 | — | |
| Jan 1, 2006 | Mar 31, 2006 | MCL | Yes | No | .07 MG/L | 0.060 mg/L | .06 | Resolved | Mar 31, 2006 | — | |
| Jan 1, 2006 | Mar 31, 2006 | MCL | Yes | No | .07 MG/L | 0.060 mg/L | .06 | Resolved | Mar 31, 2006 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MCL | Yes | No | .063 MG/L | 0.060 mg/L | .06 | Resolved | Dec 31, 2005 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MCL | Yes | No | .063 MG/L | 0.060 mg/L | .06 | Resolved | Dec 31, 2005 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MCL | Yes | No | .063 MG/L | 0.060 mg/L | .06 | Resolved | Dec 31, 2005 | — | |
| Jan 1, 2005 | Mar 31, 2005 | MCL | Yes | No | .062 MG/L | 0.060 mg/L | .06 | Resolved | Mar 31, 2005 | — | |
| Jan 1, 2005 | Mar 31, 2005 | MCL | Yes | No | .062 MG/L | 0.060 mg/L | .06 | Resolved | Mar 31, 2005 | — | |
| Jan 1, 2005 | Mar 31, 2005 | MCL | Yes | No | .062 MG/L | 0.060 mg/L | .06 | Resolved | Mar 31, 2005 | — | |
| Oct 1, 2004 | Dec 31, 2004 | MCL | Yes | No | .065 MG/L | 0.060 mg/L | .06 | Resolved | Dec 31, 2004 | — | |
| Oct 1, 2004 | Dec 31, 2004 | MCL | Yes | No | .065 MG/L | 0.060 mg/L | .06 | Resolved | Dec 31, 2004 | — | |
| Oct 1, 2004 | Dec 31, 2004 | MCL | Yes | No | .065 MG/L | 0.060 mg/L | .06 | Resolved | Dec 31, 2004 | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — |
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.