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HADDAM KILLINGWORTH INTER/MIDDLE SCHOOL

Connecticut — Non-Transient Non-Community — PWSID: CT0709153

System Information

PWSIDCT0709153
System NameHADDAM KILLINGWORTH INTER/MIDDLE SCHOOL
System TypeNon-Transient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region01
Serves SchoolNo
WholesalerNo
First ReportedFeb 12, 2007
Last ReportedDec 15, 2025

Location & Contact

StateConnecticut
CityKILLINGWORTH
ZIP Code06419
Address340 Route 81
OrganizationCONVERSE, JOHN
Phone860-354-4534

Population & Service

Population Served808
Service Connections1

Drinking Water Violations (254)

This water system has 254 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
May 21, 2022 — Public Notice Other No No — — — Resolved Jun 20, 2022 Public Notice Rule and Revised PN Rule
May 21, 2022 — Public Notice Other No No — — — Resolved Jun 20, 2022 Public Notice Rule and Revised PN Rule
Oct 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Jun 30, 2021 Lead and Copper Rule
Oct 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Jun 30, 2021 Lead and Copper Rule
Oct 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Jun 30, 2021 Lead and Copper Rule
Oct 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Jun 30, 2021 Lead and Copper Rule
Jul 10, 2021 — Revised Total Coliform Rule TT Yes No — — — Resolved Jul 28, 2021 Revised Total Coliform Rule
Jul 10, 2021 — Revised Total Coliform Rule TT Yes No — — — Resolved Jul 28, 2021 Revised Total Coliform Rule
Jul 10, 2021 — Revised Total Coliform Rule TT Yes No — — — Resolved Jul 28, 2021 Revised Total Coliform Rule
Jul 10, 2021 — Revised Total Coliform Rule TT Yes No — — — Resolved Jul 28, 2021 Revised Total Coliform Rule
Dec 30, 2016 — Lead and Copper Rule MR No No — TT — Resolved May 8, 2017 Lead and Copper Rule
Dec 30, 2016 — Lead and Copper Rule MR No No — TT — Resolved May 8, 2017 Lead and Copper Rule
Aug 15, 2015 — Public Notice Other No No — — — Resolved Sep 15, 2015 Public Notice Rule and Revised PN Rule
Aug 15, 2015 — Public Notice Other No No — — — Resolved Sep 15, 2015 Public Notice Rule and Revised PN Rule
Apr 1, 2015 Jun 30, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2015 Total Coliform Rule
Apr 1, 2015 Jun 30, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2015 Total Coliform Rule
Apr 1, 2015 Jun 30, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2015 Total Coliform Rule
Apr 1, 2015 Jun 30, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2015 Total Coliform Rule
Dec 30, 2014 — Lead and Copper Rule MR No No — TT — Resolved May 10, 2017 Lead and Copper Rule
Dec 30, 2014 — Lead and Copper Rule MR No No — TT — Resolved May 10, 2017 Lead and Copper Rule
Apr 1, 2008 Jun 30, 2008 Diquat MR No Yes — 0.02 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 OXAMYL MR No Yes — 0.2 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 OXAMYL MR No Yes — 0.2 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 Simazine MR No Yes — 0.004 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 Simazine MR No Yes — 0.004 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 Dalapon MR No Yes — 0.2 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 Picloram MR No Yes — 0.5 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 Dinoseb MR No Yes — 0.007 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 Dinoseb MR No Yes — 0.007 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 Dalapon MR No Yes — 0.2 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 Atrazine MR No Yes — 0.003 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 Atrazine MR No Yes — 0.003 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 Chlordane MR No Yes — 0.002 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 Chlordane MR No Yes — 0.002 mg/L — Resolved Jun 30, 2008 Synthetic 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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