AQUARION-VALLEY
Connecticut — Community Water System — PWSID: CT1240011
System Information
| PWSID | CT1240011 |
| System Name | AQUARION-VALLEY |
| 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 | 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 | 13,080 |
| Service Connections | 5,465 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 1, 2009 | Dec 31, 2009 | Combined Uranium | MR | No | Yes | — | 30 ug/L | — | Resolved | Dec 31, 2009 | Radionuclides and Revised Rad Rule |
| Oct 1, 2009 | Dec 31, 2009 | Gross Alpha, Excl. Radon and U | MR | No | Yes | — | 15 pCi/L | — | Resolved | Dec 31, 2009 | Radionuclides and Revised Rad Rule |
| Oct 1, 2009 | Dec 31, 2009 | Gross Alpha, Excl. Radon and U | MR | No | Yes | — | 15 pCi/L | — | Resolved | Dec 31, 2009 | Radionuclides and Revised Rad Rule |
| Oct 1, 2009 | Dec 31, 2009 | Combined Radium (-226 and -228) | MR | No | Yes | — | 5 pCi/L | — | Resolved | Dec 31, 2009 | Radionuclides and Revised Rad Rule |
| Oct 1, 2009 | Dec 31, 2009 | Combined Radium (-226 and -228) | MR | No | Yes | — | 5 pCi/L | — | Resolved | Dec 31, 2009 | Radionuclides and Revised Rad Rule |
| Oct 1, 2009 | Dec 31, 2009 | Combined Uranium | MR | No | Yes | — | 30 ug/L | — | Resolved | Dec 31, 2009 | Radionuclides and Revised Rad Rule |
| Jan 1, 2008 | Dec 31, 2013 | Combined Uranium | MR | No | Yes | — | 30 ug/L | — | Archived | Dec 31, 2013 | Radionuclides and Revised Rad Rule |
| Jan 1, 2008 | Dec 31, 2013 | Combined Radium (-226 and -228) | MR | No | Yes | — | 5 pCi/L | — | Archived | Dec 31, 2013 | Radionuclides and Revised Rad Rule |
| Jan 1, 2008 | Dec 31, 2013 | Combined Radium (-226 and -228) | MR | No | Yes | — | 5 pCi/L | — | Archived | Dec 31, 2013 | Radionuclides and Revised Rad Rule |
| Jan 1, 2008 | Dec 31, 2013 | Combined Radium (-226 and -228) | MR | No | Yes | — | 5 pCi/L | — | Archived | Dec 31, 2013 | Radionuclides and Revised Rad Rule |
| Jan 1, 2008 | Dec 31, 2013 | Combined Uranium | MR | No | Yes | — | 30 ug/L | — | Archived | Dec 31, 2013 | Radionuclides and Revised Rad Rule |
| Jan 1, 2008 | Dec 31, 2013 | Combined Uranium | MR | No | Yes | — | 30 ug/L | — | Archived | Dec 31, 2013 | Radionuclides and Revised Rad Rule |
| Jan 1, 2008 | Dec 31, 2013 | Gross Alpha, Excl. Radon and U | MR | No | Yes | — | 15 pCi/L | — | Archived | Dec 31, 2013 | Radionuclides and Revised Rad Rule |
| Jan 1, 2008 | Dec 31, 2013 | Gross Alpha, Excl. Radon and U | MR | No | Yes | — | 15 pCi/L | — | Archived | Dec 31, 2013 | Radionuclides and Revised Rad Rule |
| Jan 1, 2008 | Dec 31, 2013 | Gross Alpha, Excl. Radon and U | MR | No | Yes | — | 15 pCi/L | — | Archived | Dec 31, 2013 | Radionuclides and Revised Rad Rule |
| Jul 1, 2006 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 13, 2006 | Consumer Confidence 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.