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 | Dec 15, 2025 |
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 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2019 | Nitrate Rule |
| Jul 1, 2019 | Sep 30, 2019 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2019 | Nitrate Rule |
| Jul 1, 2018 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 9, 2018 | Consumer Confidence Rule |
| Jul 1, 2018 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 9, 2018 | Consumer Confidence Rule |
| Oct 25, 2015 | — | Public Notice | Other | No | No | — | — | — | Unaddressed | — | Public Notice Rule and Revised PN Rule |
| Jan 1, 2015 | Mar 31, 2015 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2015 | Nitrate Rule |
| Jan 1, 2015 | Mar 31, 2015 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2015 | Nitrate Rule |
| Jan 1, 2015 | Mar 31, 2015 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2015 | Nitrate Rule |
| Oct 1, 2009 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 31, 2012 | Lead and Copper Rule |
| Oct 1, 2009 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 31, 2012 | Lead and Copper Rule |
| Oct 1, 2009 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 31, 2012 | Lead and Copper Rule |
| Oct 1, 2009 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 31, 2012 | Lead and Copper Rule |
| Jul 1, 2007 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 13, 2007 | Consumer Confidence Rule |
| Jul 1, 2007 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 13, 2007 | Consumer Confidence Rule |
| Aug 10, 2005 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Feb 8, 2006 | Consumer Confidence Rule |
| Aug 10, 2005 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Feb 8, 2006 | Consumer Confidence Rule |
| Aug 10, 2005 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Feb 8, 2006 | Consumer Confidence Rule |
| Jul 1, 2005 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Feb 8, 2006 | Consumer Confidence Rule |
| Jul 1, 2005 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Feb 8, 2006 | Consumer Confidence Rule |
| Jul 1, 2005 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Feb 8, 2006 | Consumer Confidence Rule |
| Aug 10, 2004 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jan 1, 2005 | Consumer Confidence Rule |
| Aug 10, 2004 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jan 1, 2005 | Consumer Confidence Rule |
| Jul 1, 2004 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jan 1, 2005 | Consumer Confidence Rule |
| Jul 1, 2004 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jan 1, 2005 | Consumer Confidence Rule |
| Mar 11, 2004 | — | Public Notice | Other | No | No | — | — | — | Resolved | May 28, 2004 | Public Notice Rule and Revised PN Rule |
| Mar 11, 2004 | — | Public Notice | Other | No | No | — | — | — | Resolved | May 28, 2004 | Public Notice Rule and Revised PN Rule |
| Jan 1, 2004 | Mar 31, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Mar 31, 2004 | Total Coliform Rule |
| Jan 1, 2004 | Mar 31, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Mar 31, 2004 | Total Coliform Rule |
| Jan 1, 2004 | Mar 31, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Mar 31, 2004 | Total Coliform Rule |
| Jan 1, 2004 | Mar 31, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Mar 31, 2004 | Total Coliform Rule |
| Oct 1, 2003 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 30, 2004 | Lead and Copper Rule |
| Oct 1, 2003 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 30, 2004 | Lead and Copper Rule |
| Oct 1, 2003 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 30, 2004 | Lead and Copper Rule |
| Jan 1, 2002 | Dec 31, 2004 | Trichloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | p-Dichlorobenzene | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | o-Dichlorobenzene | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | o-Dichlorobenzene | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | Toluene | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | Toluene | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | 1,2-Dichloroethane | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | 1,2-Dichloroethane | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | 1,1,1-Trichloroethane | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | DICHLOROMETHANE | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | 1,2-Dichloropropane | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | 1,2-Dichloropropane | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | trans-1,2-Dichloroethylene | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | trans-1,2-Dichloroethylene | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | Trichloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | Styrene | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | 1,1,1-Trichloroethane | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
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.