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AQUARION-ROLLING RIDGE

Connecticut — Community Water System — PWSID: CT0340271

System Information

PWSIDCT0340271
System NameAQUARION-ROLLING RIDGE
System TypeCommunity Water System
Water SourceSurface Water Purchased
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 Served115
Service Connections43

Drinking Water Violations (137)

This water system has 137 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
Feb 1, 2010 Feb 28, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 28, 2010 Total Coliform Rule
Feb 1, 2010 Feb 28, 2010 Surface Water Treatment Rule MR No Yes — — — Resolved Feb 28, 2010 Surface Water Treatment Rule
Feb 1, 2010 Feb 28, 2010 Surface Water Treatment Rule MR No Yes — — — Resolved Feb 28, 2010 Surface Water Treatment Rule
Feb 1, 2010 Feb 28, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 28, 2010 Total Coliform Rule
Jan 1, 2010 Mar 31, 2010 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2010 Mar 31, 2010 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Mar 1, 2007 Mar 31, 2007 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2007 Surface Water Treatment Rule
Mar 1, 2007 Mar 31, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2007 Total Coliform Rule
Mar 1, 2007 Mar 31, 2007 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2007 Surface Water Treatment Rule
Mar 1, 2007 Mar 31, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2007 Total Coliform Rule
Jan 1, 2007 Mar 31, 2007 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2007 Mar 31, 2007 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
May 12, 2006 — Public Notice Other No No — — — Resolved Dec 13, 2006 Public Notice Rule and Revised PN Rule
May 12, 2006 — Public Notice Other No No — — — Resolved Dec 13, 2006 Public Notice Rule and Revised PN Rule
Jan 1, 2005 Dec 31, 2005 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Dec 31, 2005 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts 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
Jan 1, 2004 Dec 31, 2004 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Dec 31, 2004 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Dec 31, 2004 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Jan 31, 2004 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2004 Total Coliform Rule
Jan 1, 2004 Jan 31, 2004 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2004 Total Coliform Rule
Jan 1, 2004 Mar 31, 2004 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Mar 31, 2004 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Jan 31, 2004 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2004 Surface Water Treatment Rule
Jan 1, 2004 Dec 31, 2004 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Dec 31, 2004 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Dec 31, 2004 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Dec 31, 2004 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Dec 31, 2004 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Jan 31, 2004 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2004 Surface Water Treatment Rule
May 1, 1999 May 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 1999 Total Coliform Rule
May 1, 1999 May 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 1999 Total Coliform Rule
May 1, 1999 May 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 1999 Total Coliform Rule
May 1, 1999 May 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 1999 Total Coliform Rule
May 1, 1999 May 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 1999 Total Coliform Rule
Oct 1, 1998 Oct 31, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 1998 Total Coliform Rule
Oct 1, 1998 Oct 31, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 1998 Total Coliform Rule
Oct 1, 1998 Oct 31, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 1998 Total Coliform Rule
Oct 1, 1998 Oct 31, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 1998 Total Coliform Rule
Sep 1, 1998 Sep 30, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 1998 Total Coliform Rule
Sep 1, 1998 Sep 30, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 1998 Total Coliform Rule
Sep 1, 1998 Sep 30, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 1998 Total Coliform Rule
Sep 1, 1998 Sep 30, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 1998 Total Coliform Rule
Oct 1, 1995 Oct 31, 1995 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 1995 Total Coliform 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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