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MONTVILLE WATER SUPPLY

Connecticut — Community Water System — PWSID: CT0864011

System Information

PWSIDCT0864011
System NameMONTVILLE WATER SUPPLY
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region01
Serves SchoolNo
WholesalerNo
First ReportedJan 27, 1992
Last ReportedDec 15, 2025

Location & Contact

StateConnecticut
CityUNCASVILLE
ZIP Code06382
Address83 Pink Row
OrganizationMCDANIEL, RONALD K.
Phone860-848-6711

Population & Service

Population Served1,300
Service Connections468

Drinking Water Violations (86)

This water system has 86 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
Oct 1, 2017 — Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2019 Lead and Copper Rule
Oct 1, 2017 — Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2019 Lead and Copper Rule
Oct 1, 2017 — Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2019 Lead and Copper Rule
Oct 1, 2017 — Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2019 Lead and Copper Rule
Jan 1, 2016 Mar 31, 2016 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Mar 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Mar 31, 2016 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Mar 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Mar 31, 2016 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Mar 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Mar 31, 2016 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Mar 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Mar 31, 2016 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Mar 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 30, 2015 — Public Notice Other No No — — — Resolved Nov 13, 2015 Public Notice Rule and Revised PN Rule
Jul 1, 2015 Sep 30, 2015 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Sep 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Sep 30, 2015 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Sep 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Sep 30, 2015 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Sep 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Sep 30, 2015 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Sep 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Sep 30, 2015 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Sep 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2012 Nov 30, 2012 Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2012 Surface Water Treatment Rule
Nov 1, 2012 Nov 30, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2012 Total Coliform Rule
Nov 1, 2012 Nov 30, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2012 Total Coliform Rule
Nov 1, 2012 Nov 30, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2012 Total Coliform Rule
Nov 1, 2012 Nov 30, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2012 Total Coliform Rule
Nov 1, 2012 Nov 30, 2012 Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2012 Surface Water Treatment Rule
Nov 1, 2012 Nov 30, 2012 Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2012 Surface Water Treatment Rule
Nov 1, 2012 Nov 30, 2012 Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2012 Surface Water Treatment Rule
Oct 1, 2012 Dec 31, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Dec 31, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Dec 31, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Dec 31, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2011 — Lead and Copper Rule MR No No — TT — Resolved Sep 24, 2012 Lead and Copper Rule
Oct 1, 2011 — Lead and Copper Rule MR No No — TT — Resolved Sep 24, 2012 Lead and Copper Rule
Apr 1, 2010 Apr 30, 2010 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2010 Surface Water Treatment Rule
Apr 1, 2010 Apr 30, 2010 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2010 Surface Water Treatment Rule
Apr 1, 2010 Jun 30, 2010 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2010 Jun 30, 2010 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 10, 2009 — Consumer Confidence Rule Other No No — — — Resolved Oct 16, 2009 Consumer Confidence Rule
Aug 10, 2009 — Consumer Confidence Rule Other No No — — — Resolved Oct 16, 2009 Consumer Confidence Rule
Jul 1, 2009 — Consumer Confidence Rule Other No No — — — Resolved Oct 16, 2009 Consumer Confidence Rule
Jul 1, 2009 — Consumer Confidence Rule Other No No — — — Resolved Oct 16, 2009 Consumer Confidence Rule
Mar 1, 2009 Mar 31, 2009 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2009 Surface Water Treatment Rule
Mar 1, 2009 Mar 31, 2009 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2009 Surface Water Treatment Rule
Jan 1, 2009 Mar 31, 2009 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2009 Mar 31, 2009 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2007 Jun 30, 2007 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2007 Surface Water Treatment Rule
Jun 1, 2007 Jun 30, 2007 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2007 Surface Water Treatment Rule
Apr 1, 2007 Jun 30, 2007 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2007 Jun 30, 2007 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2007 Stage 1 Disinfectants and Disinfection Byproducts 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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