AQUARION-DEAN HEIGHTS
Connecticut - Community Water System - PWSID: CT0960161
System Information
| PWSID | CT0960161 |
| System Name | AQUARION-DEAN HEIGHTS |
| 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 | 162 |
| Service Connections | 62 |
Drinking Water Violations (180)
This water system has 180 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, 2019 | - | MR | No | No | - | TT | - | Resolved | Jan 16, 2020 | - | |
| Jul 1, 2018 | - | Other | No | No | - | - | - | Resolved | Jul 9, 2018 | - | |
| Jul 1, 2018 | - | Other | No | No | - | - | - | Resolved | Jul 9, 2018 | - | |
| Apr 12, 2014 | - | Other | No | No | - | - | - | Resolved | Sep 12, 2014 | - | |
| Apr 12, 2014 | - | Other | No | No | - | - | - | Resolved | Sep 12, 2014 | - | |
| Jan 1, 2010 | Dec 31, 2012 | MR | No | No | - | TT | - | Resolved | Dec 31, 2012 | - | |
| Jan 1, 2010 | Dec 31, 2012 | MR | No | No | - | TT | - | Resolved | Dec 31, 2012 | - | |
| Jan 1, 2010 | Dec 31, 2012 | MR | No | No | - | TT | - | Resolved | Dec 31, 2012 | - | |
| Jan 1, 2010 | Dec 31, 2012 | MR | No | No | - | TT | - | Resolved | Dec 31, 2012 | - | |
| Jul 1, 2006 | - | Other | No | No | - | - | - | Resolved | Aug 9, 2006 | - | |
| Jul 1, 2006 | - | Other | No | No | - | - | - | Resolved | Aug 9, 2006 | - | |
| May 18, 2006 | - | Other | No | No | - | - | - | Resolved | Apr 20, 2007 | - | |
| May 18, 2006 | - | Other | No | No | - | - | - | Resolved | Apr 20, 2007 | - | |
| Aug 10, 2004 | - | Other | No | No | - | - | - | Resolved | Nov 30, 2004 | - | |
| Aug 10, 2004 | - | Other | No | No | - | - | - | Resolved | Nov 30, 2004 | - | |
| Aug 1, 2004 | Aug 31, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2004 | - | |
| Aug 1, 2004 | Aug 31, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2004 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | Nov 8, 2004 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | Nov 8, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Nov 1, 2002 | Nov 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2002 | - | |
| Nov 1, 2002 | Nov 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2002 | - | |
| Nov 1, 2002 | Nov 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2002 | - | |
| Nov 1, 2002 | Nov 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2002 | - | |
| Oct 1, 2002 | Oct 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2002 | - | |
| Oct 1, 2002 | Oct 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2002 | - | |
| Oct 1, 2002 | Oct 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2002 | - | |
| Oct 1, 2002 | Oct 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2002 | - | |
| Aug 1, 2002 | Aug 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2002 | - | |
| Aug 1, 2002 | Aug 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2002 | - | |
| Aug 1, 2002 | Aug 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2002 | - | |
| Aug 1, 2002 | Aug 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2002 | - | |
| Jul 1, 2002 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2003 | - | |
| Jul 1, 2002 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2003 | - | |
| Jul 1, 2002 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2003 | - | |
| May 1, 2001 | May 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2001 | - | |
| May 1, 2001 | May 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2001 | - | |
| May 1, 2001 | May 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2001 | - | |
| Jul 1, 1998 | - | TT | Yes | No | - | TT | - | Resolved | Jun 30, 1999 | - | |
| Jul 1, 1998 | - | TT | Yes | No | - | TT | - | Resolved | Jun 30, 1999 | - | |
| Jul 1, 1998 | - | TT | Yes | No | - | TT | - | Resolved | Jun 30, 1999 | - | |
| Jul 1, 1998 | - | TT | Yes | No | - | TT | - | Resolved | Jun 30, 1999 | - | |
| Sep 1, 1997 | Sep 30, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1997 | - |
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.