AQUARION-ROLLING RIDGE
Connecticut - Community Water System - PWSID: CT0340271
System Information
| PWSID | CT0340271 |
| System Name | AQUARION-ROLLING RIDGE |
| 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 | 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 | 115 |
| Service Connections | 43 |
Drinking Water Violations (201)
This water system has 201 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, 2018 | - | Other | No | No | - | - | - | Resolved | Jul 9, 2018 | - | |
| Jul 1, 2018 | - | Other | No | No | - | - | - | Resolved | Jul 9, 2018 | - | |
| Feb 1, 2010 | Feb 28, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2010 | - | |
| Feb 1, 2010 | Feb 28, 2010 | MR | No | Yes | - | - | - | Resolved | Feb 28, 2010 | - | |
| Feb 1, 2010 | Feb 28, 2010 | MR | No | Yes | - | - | - | Resolved | Feb 28, 2010 | - | |
| Feb 1, 2010 | Feb 28, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2010 | - | |
| Jan 1, 2010 | Mar 31, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2010 | - | |
| Jan 1, 2010 | Mar 31, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2010 | - | |
| Mar 1, 2007 | Mar 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2007 | - | |
| Mar 1, 2007 | Mar 31, 2007 | MR | No | Yes | - | - | - | Resolved | Mar 31, 2007 | - | |
| Mar 1, 2007 | Mar 31, 2007 | MR | No | Yes | - | - | - | Resolved | Mar 31, 2007 | - | |
| Mar 1, 2007 | Mar 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2007 | - | |
| Jan 1, 2007 | Mar 31, 2007 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2007 | - | |
| Jan 1, 2007 | Mar 31, 2007 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2007 | - | |
| May 12, 2006 | - | Other | No | No | - | - | - | Resolved | Dec 13, 2006 | - | |
| May 12, 2006 | - | Other | No | No | - | - | - | Resolved | Dec 13, 2006 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2005 | - | |
| 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 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Jan 31, 2004 | MR | No | Yes | - | - | - | Resolved | Jan 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Jan 31, 2004 | MR | No | Yes | - | - | - | Resolved | Jan 31, 2004 | - | |
| Jan 1, 2004 | Mar 31, 2004 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 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 | Jan 31, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Jan 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 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Mar 31, 2004 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2004 | - | |
| Jan 1, 2004 | Jan 31, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2004 | - | |
| May 1, 1999 | May 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 1999 | - | |
| May 1, 1999 | May 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 1999 | - | |
| May 1, 1999 | May 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 1999 | - | |
| May 1, 1999 | May 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 1999 | - | |
| May 1, 1999 | May 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 1999 | - | |
| Oct 1, 1998 | Oct 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 1998 | - | |
| Oct 1, 1998 | Oct 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 1998 | - | |
| Oct 1, 1998 | Oct 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 1998 | - | |
| Oct 1, 1998 | Oct 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 1998 | - | |
| Sep 1, 1998 | Sep 30, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1998 | - | |
| Sep 1, 1998 | Sep 30, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1998 | - | |
| Sep 1, 1998 | Sep 30, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1998 | - | |
| Sep 1, 1998 | Sep 30, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1998 | - | |
| Oct 1, 1995 | Oct 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 1995 | - |
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.