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AQUARION-BUTTERNUT

Connecticut — Community Water System — PWSID: CT0180021

System Information

PWSIDCT0180021
System NameAQUARION-BUTTERNUT
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 Served124
Service Connections31

Drinking Water Violations (54)

This water system has 54 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
Dec 30, 2021 — Lead and Copper Rule MR No No — TT — Resolved Jan 20, 2022 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
Oct 1, 2012 Oct 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2012 Total Coliform Rule
Oct 1, 2012 Oct 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2012 Total Coliform Rule
Oct 1, 2012 Oct 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2012 Total Coliform Rule
Oct 1, 2012 Oct 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2012 Total Coliform Rule
Jul 1, 2012 Jul 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2012 Total Coliform Rule
Jul 1, 2012 Jul 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2012 Total Coliform Rule
Jul 1, 2012 Jul 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2012 Total Coliform Rule
Jul 1, 2012 Jul 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2012 Total Coliform Rule
Oct 1, 2004 Dec 31, 2004 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 31, 2004 Radionuclides and Revised Rad Rule
Oct 1, 2004 Dec 31, 2004 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Dec 31, 2004 Radionuclides and Revised Rad Rule
Oct 1, 2004 Dec 31, 2004 Combined Uranium MR No Yes — 30 ug/L — Resolved Dec 31, 2004 Radionuclides and Revised Rad Rule
Oct 1, 2004 Dec 31, 2004 Combined Uranium MR No Yes — 30 ug/L — Resolved Dec 31, 2004 Radionuclides and Revised Rad Rule
Oct 1, 2004 Oct 31, 2004 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2004 Total Coliform Rule
Oct 1, 2004 Oct 31, 2004 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2004 Total Coliform Rule
Oct 1, 2004 Oct 31, 2004 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2004 Total Coliform Rule
Oct 1, 2004 Dec 31, 2004 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 31, 2004 Radionuclides and Revised Rad Rule
Oct 1, 2004 Dec 31, 2004 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Dec 31, 2004 Radionuclides and Revised Rad Rule
Jul 1, 2004 Sep 30, 2004 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2004 Total Coliform Rule
Jul 1, 2004 Sep 30, 2004 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2004 Total Coliform Rule
Jul 1, 2004 Sep 30, 2004 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2004 Total Coliform Rule
Jul 1, 2004 Sep 30, 2004 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2004 Total Coliform Rule
Dec 1, 1994 Dec 31, 1994 Coliform (TCR) Other No No — 5% of samples — Resolved Dec 31, 1994 Total Coliform Rule
Dec 1, 1994 Dec 31, 1994 Coliform (TCR) Other No No — 5% of samples — Resolved Dec 31, 1994 Total Coliform Rule
Dec 1, 1994 Dec 31, 1994 Coliform (TCR) Other No No — 5% of samples — Resolved Dec 31, 1994 Total Coliform Rule
Dec 1, 1994 Dec 31, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 1994 Total Coliform Rule
Dec 1, 1994 Dec 31, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 1994 Total Coliform Rule
Dec 1, 1994 Dec 31, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 1994 Total Coliform Rule
Dec 1, 1994 Dec 31, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 1994 Total Coliform Rule
Dec 1, 1994 Dec 31, 1994 Coliform (TCR) Other No No — 5% of samples — Resolved Dec 31, 1994 Total Coliform Rule
Dec 1, 1994 Dec 31, 1994 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 1994 Total Coliform Rule
Dec 1, 1994 Dec 31, 1994 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 1994 Total Coliform Rule
Dec 1, 1994 Dec 31, 1994 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 1994 Total Coliform Rule
Dec 1, 1994 Dec 31, 1994 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 1994 Total Coliform Rule
Nov 1, 1994 Nov 30, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 1994 Total Coliform Rule
Nov 1, 1994 Nov 30, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 1994 Total Coliform Rule
Nov 1, 1994 Nov 30, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 1994 Total Coliform Rule
Nov 1, 1994 Nov 30, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 1994 Total Coliform Rule
Nov 1, 1994 Nov 30, 1994 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 1994 Total Coliform Rule
Nov 1, 1994 Nov 30, 1994 Coliform (TCR) Other No No — 5% of samples — Resolved Nov 30, 1994 Total Coliform Rule
Nov 1, 1994 Nov 30, 1994 Coliform (TCR) Other No No — 5% of samples — Resolved Nov 30, 1994 Total Coliform Rule
Nov 1, 1994 Nov 30, 1994 Coliform (TCR) Other No No — 5% of samples — Resolved Nov 30, 1994 Total Coliform Rule
Nov 1, 1994 Nov 30, 1994 Coliform (TCR) Other No No — 5% of samples — Resolved Nov 30, 1994 Total Coliform Rule
Nov 1, 1994 Nov 30, 1994 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 1994 Total Coliform Rule
Nov 1, 1994 Nov 30, 1994 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 1994 Total Coliform Rule
Nov 1, 1994 Nov 30, 1994 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 1994 Total Coliform Rule
Jul 1, 1994 — Lead and Copper Rule MR No No — TT — Resolved Sep 30, 1994 Lead and Copper Rule
Jul 1, 1994 — Lead and Copper Rule MR No No — TT — Resolved Sep 30, 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.

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