AQUARION-SUFFIELD
Connecticut - Community Water System - PWSID: CT1390021
System Information
| PWSID | CT1390021 |
| System Name | AQUARION-SUFFIELD |
| 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 | Mar 8, 1979 |
| Last Reported | Mar 30, 2026 |
Location & Contact
| State | Connecticut |
| City | SHELTON |
| ZIP Code | 06484 |
| Address | 505 Huntington St. |
| Organization | ULRICH, ROBERT J. |
| Phone | 203-926-4320 |
Population & Service
| Population Served | 595 |
| Service Connections | 231 |
Drinking Water Violations (121)
This water system has 121 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2019 | Sep 30, 2019 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2019 | - | |
| Jul 1, 2019 | Sep 30, 2019 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2019 | - | |
| Jul 1, 2018 | - | Other | No | No | - | - | - | Resolved | Jul 9, 2018 | - | |
| Jul 1, 2018 | - | Other | No | No | - | - | - | Resolved | Jul 9, 2018 | - | |
| Oct 25, 2015 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jan 1, 2015 | Mar 31, 2015 | MR | No | Yes | - | 10 mg/L | - | Resolved | Mar 31, 2015 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MR | No | Yes | - | 10 mg/L | - | Resolved | Mar 31, 2015 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MR | No | Yes | - | 10 mg/L | - | Resolved | Mar 31, 2015 | - | |
| Oct 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Jul 31, 2012 | - | |
| Oct 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Jul 31, 2012 | - | |
| Oct 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Jul 31, 2012 | - | |
| Oct 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Jul 31, 2012 | - | |
| Jul 1, 2007 | - | Other | No | No | - | - | - | Resolved | Jul 13, 2007 | - | |
| Jul 1, 2007 | - | Other | No | No | - | - | - | Resolved | Jul 13, 2007 | - | |
| Aug 10, 2005 | - | Other | No | No | - | - | - | Resolved | Feb 8, 2006 | - | |
| Aug 10, 2005 | - | Other | No | No | - | - | - | Resolved | Feb 8, 2006 | - | |
| Aug 10, 2005 | - | Other | No | No | - | - | - | Resolved | Feb 8, 2006 | - | |
| Jul 1, 2005 | - | Other | No | No | - | - | - | Resolved | Feb 8, 2006 | - | |
| Jul 1, 2005 | - | Other | No | No | - | - | - | Resolved | Feb 8, 2006 | - | |
| Jul 1, 2005 | - | Other | No | No | - | - | - | Resolved | Feb 8, 2006 | - | |
| Aug 10, 2004 | - | Other | No | No | - | - | - | Resolved | Jan 1, 2005 | - | |
| Aug 10, 2004 | - | Other | No | No | - | - | - | Resolved | Jan 1, 2005 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | Jan 1, 2005 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | Jan 1, 2005 | - | |
| Mar 11, 2004 | - | Other | No | No | - | - | - | Resolved | May 28, 2004 | - | |
| Mar 11, 2004 | - | Other | No | No | - | - | - | Resolved | May 28, 2004 | - | |
| Jan 1, 2004 | Mar 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2004 | - | |
| Jan 1, 2004 | Mar 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2004 | - | |
| Jan 1, 2004 | Mar 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2004 | - | |
| Jan 1, 2004 | Mar 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2004 | - | |
| Oct 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Sep 30, 2004 | - | |
| Oct 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Sep 30, 2004 | - | |
| Oct 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Sep 30, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.6 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.6 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2004 | - |
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.