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TALCOTT MOUNTAIN SCIENCE CENTER #1

Connecticut — Non-Transient Non-Community — PWSID: CT0040442

System Information

PWSIDCT0040442
System NameTALCOTT MOUNTAIN SCIENCE CENTER #1
System TypeNon-Transient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region01
Serves SchoolYes
WholesalerNo
First ReportedFeb 28, 1980
Last ReportedDec 15, 2025

Location & Contact

StateConnecticut
CityAVON
ZIP Code06001
Address324 Montevideo Road
OrganizationCONLIN, SEAN
Phone860-677-8571

Population & Service

Population Served59
Service Connections4

Drinking Water Violations (198)

This water system has 198 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 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Unaddressed — Lead and Copper Rule Revisions
Jan 1, 2017 Dec 31, 2017 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2017 Nitrate Rule
Jan 1, 2017 Dec 31, 2017 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2017 Nitrate Rule
Jan 1, 2017 Dec 31, 2017 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2017 Nitrate Rule
Jan 1, 2017 Dec 31, 2017 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2017 Nitrate Rule
Apr 21, 2012 — Public Notice Other No No — — — Resolved Aug 6, 2021 Public Notice Rule and Revised PN Rule
Apr 21, 2012 — Public Notice Other No No — — — Resolved Aug 6, 2021 Public Notice Rule and Revised PN Rule
Nov 3, 2011 — E. COLI MR No Yes — — — Resolved Sep 30, 2013 Ground Water Rule
Nov 3, 2011 — E. COLI MR No Yes — — — Resolved Sep 30, 2013 Ground Water Rule
Nov 3, 2011 — E. COLI MR No Yes — — — Resolved Sep 30, 2013 Ground Water Rule
Nov 3, 2011 — E. COLI MR No Yes — — — Resolved Sep 30, 2013 Ground Water Rule
Nov 1, 2011 Nov 30, 2011 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2011 Total Coliform Rule
Nov 1, 2011 Nov 30, 2011 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2011 Total Coliform Rule
Nov 1, 2011 Nov 30, 2011 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2011 Total Coliform Rule
Nov 1, 2011 Nov 30, 2011 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2011 Total Coliform Rule
Oct 1, 2011 Oct 31, 2011 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2011 Total Coliform Rule
Oct 1, 2011 Oct 31, 2011 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2011 Total Coliform Rule
Oct 1, 2011 Oct 31, 2011 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2011 Total Coliform Rule
Oct 1, 2011 Oct 31, 2011 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2011 Total Coliform Rule
Sep 20, 2011 — E. COLI MR No Yes — — — Resolved Sep 30, 2013 Ground Water Rule
Sep 20, 2011 — E. COLI MR No Yes — — — Resolved Sep 30, 2013 Ground Water Rule
Sep 20, 2011 — E. COLI MR No Yes — — — Resolved Sep 30, 2013 Ground Water Rule
Sep 20, 2011 — E. COLI MR No Yes — — — Resolved Sep 30, 2013 Ground Water Rule
Jul 1, 2011 Sep 30, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2011 Total Coliform Rule
Jul 1, 2011 Sep 30, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2011 Total Coliform Rule
Jul 1, 2011 Sep 30, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2011 Total Coliform Rule
Jul 1, 2011 Sep 30, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2011 Total Coliform Rule
Jul 1, 2010 Nov 12, 2010 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Nov 12, 2010 Synthetic Organic Chemicals
Jul 1, 2010 Nov 12, 2010 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Nov 12, 2010 Synthetic Organic Chemicals
Feb 28, 2010 — Public Notice Other No No — — — Resolved Aug 6, 2021 Public Notice Rule and Revised PN Rule
Feb 28, 2010 — Public Notice Other No No — — — Resolved Aug 6, 2021 Public Notice Rule and Revised PN Rule
Jul 1, 2009 Sep 30, 2009 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Sep 30, 2009 Synthetic Organic Chemicals
Jul 1, 2009 Sep 30, 2009 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Sep 30, 2009 Synthetic Organic Chemicals
Apr 1, 2009 Jun 30, 2009 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Jun 30, 2009 Volatile Organic Chemicals
Apr 1, 2009 Jun 30, 2009 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Jun 30, 2009 Volatile Organic Chemicals
Apr 1, 2009 Jun 30, 2009 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Jun 30, 2009 Volatile Organic Chemicals
Apr 1, 2009 Jun 30, 2009 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Jun 30, 2009 Volatile Organic Chemicals
Apr 1, 2009 Jun 30, 2009 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Jun 30, 2009 Volatile Organic Chemicals
Apr 1, 2009 Jun 30, 2009 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Jun 30, 2009 Volatile Organic Chemicals
Apr 1, 2009 Jun 30, 2009 Benzene MR No Yes — 0.005 mg/L — Resolved Jun 30, 2009 Volatile Organic Chemicals
Apr 1, 2009 Jun 30, 2009 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Jun 30, 2009 Volatile Organic Chemicals
Apr 1, 2009 Jun 30, 2009 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Jun 30, 2009 Volatile Organic Chemicals
Apr 1, 2009 Jun 30, 2009 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Jun 30, 2009 Volatile Organic Chemicals
Apr 1, 2009 Jun 30, 2009 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Jun 30, 2009 Volatile Organic Chemicals
Apr 1, 2009 Jun 30, 2009 Styrene MR No Yes — 0.1 mg/L — Resolved Jun 30, 2009 Volatile Organic Chemicals
Apr 1, 2009 Jun 30, 2009 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Jun 30, 2009 Volatile Organic Chemicals
Apr 1, 2009 Jun 30, 2009 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Jun 30, 2009 Volatile Organic Chemicals
Apr 1, 2009 Jun 30, 2009 Styrene MR No Yes — 0.1 mg/L — Resolved Jun 30, 2009 Volatile Organic Chemicals
Apr 1, 2009 Jun 30, 2009 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Jun 30, 2009 Volatile Organic Chemicals
Apr 1, 2009 Jun 30, 2009 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Jun 30, 2009 Volatile Organic Chemicals

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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