AQUARION-NEW HARTFORD
Connecticut — Community Water System — PWSID: CT0920011
System Information
| PWSID | CT0920011 |
| System Name | AQUARION-NEW HARTFORD |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| 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 | 1,872 |
| Service Connections | 550 |
Drinking Water Violations (133)
This water system has 133 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2025 | Sep 30, 2025 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2025 | — | |
| Dec 30, 2022 | — | MR | No | No | — | TT | — | Resolved | Feb 21, 2023 | — | |
| Dec 30, 2022 | — | MR | No | No | — | TT | — | Resolved | Feb 21, 2023 | — | |
| Jan 1, 2022 | Jan 31, 2022 | MON | No | Yes | — | — | — | Resolved | Jan 31, 2022 | — | |
| Jan 1, 2022 | Jan 31, 2022 | MON | No | Yes | — | — | — | Resolved | Jan 31, 2022 | — | |
| Jan 1, 2022 | Jan 31, 2022 | MON | No | Yes | — | — | — | Resolved | Jan 31, 2022 | — | |
| Jan 1, 2022 | Jan 31, 2022 | MON | No | Yes | — | — | — | Resolved | Jan 31, 2022 | — | |
| Dec 30, 2019 | — | MR | No | No | — | TT | — | Resolved | Feb 10, 2020 | — | |
| Dec 30, 2019 | — | MR | No | No | — | TT | — | Resolved | Feb 10, 2020 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Aug 10, 2016 | — | RPT | No | No | — | — | — | Resolved | Apr 13, 2017 | — | |
| Aug 10, 2016 | — | RPT | No | No | — | — | — | Resolved | Apr 13, 2017 | — | |
| Aug 10, 2016 | — | RPT | No | No | — | — | — | Resolved | Apr 13, 2017 | — | |
| Aug 10, 2016 | — | RPT | No | No | — | — | — | Resolved | Apr 13, 2017 | — | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2016 | — | |
| Oct 1, 2009 | — | MR | No | No | — | TT | — | Resolved | Feb 17, 2010 | — | |
| Oct 1, 2009 | — | MR | No | No | — | TT | — | Resolved | Feb 17, 2010 | — | |
| Jul 1, 2009 | — | Other | No | No | — | — | — | Resolved | Oct 19, 2009 | — | |
| Jul 1, 2009 | — | Other | No | No | — | — | — | Resolved | Oct 19, 2009 | — | |
| Dec 1, 2007 | Dec 31, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2007 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jul 1, 1994 | — | MR | No | No | — | TT | — | Resolved | Oct 13, 1994 | — | |
| Jul 1, 1994 | — | MR | No | No | — | TT | — | Resolved | Oct 13, 1994 | — | |
| Jul 1, 1994 | — | MR | No | No | — | TT | — | Resolved | Oct 13, 1994 | — | |
| Jul 1, 1994 | — | MR | No | No | — | TT | — | Resolved | Oct 13, 1994 | — | |
| Jan 1, 1994 | Oct 13, 1994 | MR | No | No | — | TT | — | Archived | Oct 13, 1994 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.00005 mg/L | — | Resolved | Dec 31, 1993 | — |
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.