AQUARION-BERKSHIRE
Connecticut — Community Water System — PWSID: CT0090292
System Information
| PWSID | CT0090292 |
| System Name | AQUARION-BERKSHIRE |
| 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 | Jul 12, 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 | 75 |
| Service Connections | 73 |
Drinking Water Violations (18)
This water system has 18 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 11, 2018 | — | Public Notice | Other | No | No | — | — | — | Resolved | Dec 15, 2021 | Public Notice Rule and Revised PN Rule |
| Apr 11, 2018 | — | Public Notice | Other | No | No | — | — | — | Resolved | Dec 15, 2021 | Public Notice Rule and Revised PN Rule |
| Sep 1, 2016 | Nov 30, 2016 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Nov 30, 2016 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2016 | Nov 30, 2016 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Nov 30, 2016 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2016 | Nov 30, 2016 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Nov 30, 2016 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2005 | Mar 31, 2005 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Mar 31, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2005 | Mar 31, 2005 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Mar 31, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2004 | Mar 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2004 | Total Coliform Rule |
| Jan 1, 2004 | Mar 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2004 | Total Coliform Rule |
| Oct 1, 2003 | Dec 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2003 | Total Coliform Rule |
| Oct 1, 2003 | Dec 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2003 | Total Coliform Rule |
| Oct 1, 2003 | Dec 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2003 | Total Coliform Rule |
| Oct 1, 2003 | Dec 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2003 | Total Coliform Rule |
| Jul 1, 1994 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Jun 1, 2000 | Lead and Copper Rule |
| Jul 1, 1994 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 10, 1994 | Lead and Copper Rule |
| Jul 1, 1994 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 10, 1994 | Lead and Copper Rule |
| Jul 1, 1994 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 10, 1994 | Lead and Copper Rule |
| Jul 1, 1994 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 10, 1994 | Lead and Copper Rule |
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.