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AQUARION-POSSUM RIDGE

Connecticut — Community Water System — PWSID: CT0910041

System Information

PWSIDCT0910041
System NameAQUARION-POSSUM RIDGE
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region01
Serves SchoolNo
WholesalerNo
First ReportedMar 8, 1979
Last ReportedDec 15, 2025

Location & Contact

StateConnecticut
CitySHELTON
ZIP Code06484
Address505 Huntington St.
OrganizationULRICH, ROBERT J.
Phone203-926-4320

Population & Service

Population Served307
Service Connections106

Drinking Water Violations (244)

This water system has 244 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
Jan 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Jun 30, 2021 Lead and Copper Rule
Jan 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Jun 30, 2021 Lead and Copper Rule
Jan 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Jun 30, 2021 Lead and Copper Rule
Jan 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Jun 30, 2021 Lead and Copper 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
Apr 1, 2006 Jun 30, 2006 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2006 Radionuclides and Revised Rad Rule
Apr 1, 2006 Jun 30, 2006 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2006 Radionuclides and Revised Rad Rule
Apr 1, 2006 Jun 30, 2006 Combined Uranium MR No Yes — 30 ug/L — Resolved Jun 30, 2006 Radionuclides and Revised Rad Rule
Apr 1, 2006 Jun 30, 2006 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2006 Radionuclides and Revised Rad Rule
Apr 1, 2006 Jun 30, 2006 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2006 Radionuclides and Revised Rad Rule
Apr 1, 2006 Jun 30, 2006 Combined Uranium MR No Yes — 30 ug/L — Resolved Jun 30, 2006 Radionuclides and Revised Rad Rule
Apr 1, 2006 Jun 30, 2006 Combined Uranium MR No Yes — 30 ug/L — Resolved Jun 30, 2006 Radionuclides and Revised Rad Rule
Apr 1, 2006 Jun 30, 2006 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2006 Radionuclides and Revised Rad Rule
Apr 1, 2006 Jun 30, 2006 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2006 Radionuclides and Revised Rad Rule
Apr 1, 2006 Jun 30, 2006 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2006 Radionuclides and Revised Rad Rule
Apr 1, 2006 Jun 30, 2006 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2006 Radionuclides and Revised Rad Rule
Apr 1, 2006 Jun 30, 2006 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2006 Radionuclides and Revised Rad Rule
Apr 1, 2006 Jun 30, 2006 Combined Uranium MR No Yes — 30 ug/L — Resolved Jun 30, 2006 Radionuclides and Revised Rad Rule
Apr 1, 2006 Jun 30, 2006 Combined Uranium MR No Yes — 30 ug/L — Resolved Jun 30, 2006 Radionuclides and Revised Rad Rule
Apr 1, 2006 Jun 30, 2006 Combined Uranium MR No Yes — 30 ug/L — Resolved Jun 30, 2006 Radionuclides and Revised Rad Rule
Apr 1, 2006 Jun 30, 2006 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2006 Radionuclides and Revised Rad Rule
Apr 1, 2006 Jun 30, 2006 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2006 Radionuclides and Revised Rad Rule
Apr 1, 2006 Jun 30, 2006 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2006 Radionuclides and Revised Rad Rule
Apr 1, 2006 Jun 30, 2006 Combined Uranium MR No Yes — 30 ug/L — Resolved Jun 30, 2006 Radionuclides and Revised Rad Rule
Apr 1, 2006 Jun 30, 2006 Combined Uranium MR No Yes — 30 ug/L — Resolved Jun 30, 2006 Radionuclides and Revised Rad Rule
Apr 1, 2006 Jun 30, 2006 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2006 Radionuclides and Revised Rad Rule
Apr 1, 2006 Jun 30, 2006 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2006 Radionuclides and Revised Rad Rule
Apr 1, 2006 Jun 30, 2006 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2006 Radionuclides and Revised Rad Rule
Apr 1, 2006 Jun 30, 2006 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2006 Radionuclides and Revised Rad Rule
Apr 1, 2006 Jun 30, 2006 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2006 Radionuclides and Revised Rad Rule
Apr 1, 2006 Jun 30, 2006 Combined Uranium MR No Yes — 30 ug/L — Resolved Jun 30, 2006 Radionuclides and Revised Rad Rule
Apr 1, 2006 Jun 30, 2006 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2006 Radionuclides and Revised Rad Rule
Jan 1, 2006 Mar 31, 2006 Combined Uranium MR No Yes — 30 ug/L — Resolved Mar 31, 2006 Radionuclides and Revised Rad Rule
Jan 1, 2006 Mar 31, 2006 Combined Uranium MR No Yes — 30 ug/L — Resolved Mar 31, 2006 Radionuclides and Revised Rad Rule
Jan 1, 2006 Mar 31, 2006 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Mar 31, 2006 Radionuclides and Revised Rad Rule
Jan 1, 2006 Mar 31, 2006 Combined Uranium MR No Yes — 30 ug/L — Resolved Mar 31, 2006 Radionuclides and Revised Rad Rule
Jan 1, 2006 Mar 31, 2006 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Mar 31, 2006 Radionuclides and Revised Rad Rule
Jan 1, 2006 Mar 31, 2006 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Mar 31, 2006 Radionuclides and Revised Rad Rule
Jan 1, 2006 Mar 31, 2006 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Mar 31, 2006 Radionuclides and Revised Rad Rule
Jan 1, 2006 Mar 31, 2006 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Mar 31, 2006 Radionuclides and Revised Rad Rule
Jan 1, 2006 Mar 31, 2006 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Mar 31, 2006 Radionuclides and Revised Rad Rule
Jan 1, 2006 Mar 31, 2006 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Mar 31, 2006 Radionuclides and Revised Rad Rule
Jan 1, 2006 Mar 31, 2006 Combined Uranium MR No Yes — 30 ug/L — Resolved Mar 31, 2006 Radionuclides and Revised Rad Rule
Jan 1, 2006 Mar 31, 2006 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Mar 31, 2006 Radionuclides and Revised Rad Rule
Oct 1, 2005 Dec 31, 2005 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Archived Dec 31, 2005 Radionuclides and Revised Rad Rule
Oct 1, 2005 Dec 31, 2005 Combined Uranium MR No Yes — 30 ug/L — Archived Dec 31, 2005 Radionuclides and Revised Rad Rule
Oct 1, 2005 Dec 31, 2005 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Archived Dec 31, 2005 Radionuclides and Revised Rad Rule
Oct 1, 2005 Dec 31, 2005 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Archived Dec 31, 2005 Radionuclides and Revised Rad Rule
Oct 1, 2005 Dec 31, 2005 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Archived Dec 31, 2005 Radionuclides and Revised Rad 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.

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