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SOUTHINGTON WATER DEPARTMENT

Connecticut — Community Water System — PWSID: CT1310011

System Information

PWSIDCT1310011
System NameSOUTHINGTON WATER DEPARTMENT
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region01
Serves SchoolNo
WholesalerNo
First ReportedMar 8, 1979
Last ReportedDec 15, 2025

Location & Contact

StateConnecticut
CitySOUTHINGTON
ZIP Code06489
Address605 West Queen Street
OrganizationARNDT, DOUGLAS R.
Phone860-628-5593

Population & Service

Population Served43,069
Service Connections13,665

Drinking Water Violations (1,023)

This water system has 1,023 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
Mar 1, 2025 Mar 31, 2025 CARBON, TOTAL MR No Yes — TT — Resolved Mar 31, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Mar 1, 2025 Mar 31, 2025 CARBON, TOTAL MR No Yes — TT — Resolved Mar 31, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jun 12, 2024 — Public Notice Other No No — — — Resolved Jul 23, 2024 Public Notice Rule and Revised PN Rule
Jun 12, 2024 — Public Notice Other No No — — — Resolved Jul 23, 2024 Public Notice Rule and Revised PN Rule
Jun 12, 2024 — Public Notice Other No No — — — Resolved Jul 23, 2024 Public Notice Rule and Revised PN Rule
Jun 12, 2024 — Public Notice Other No No — — — Resolved Jul 23, 2024 Public Notice Rule and Revised PN Rule
Jun 12, 2024 — Public Notice Other No No — — — Resolved Jul 23, 2024 Public Notice Rule and Revised PN Rule
Jun 12, 2024 — Public Notice Other No No — — — Resolved Jul 23, 2024 Public Notice Rule and Revised PN Rule
Jun 5, 2024 — Public Notice Other No No — — — Resolved Jul 23, 2024 Public Notice Rule and Revised PN Rule
Jun 5, 2024 — Public Notice Other No No — — — Resolved Jul 23, 2024 Public Notice Rule and Revised PN Rule
Dec 30, 2023 — Lead and Copper Rule MR No No — TT — Resolved Nov 30, 2023 Lead and Copper Rule
Dec 30, 2023 — Lead and Copper Rule MR No No — TT — Resolved Nov 30, 2023 Lead and Copper Rule
Aug 10, 2023 — Consumer Confidence Rule Other No No — — — Resolved Aug 24, 2023 Consumer Confidence Rule
Jan 1, 2023 Mar 31, 2023 Nitrate MR No Yes — 10 mg/L — Resolved Mar 31, 2023 Nitrate Rule
Jan 1, 2023 Mar 31, 2023 Nitrate MR No Yes — 10 mg/L — Resolved Mar 31, 2023 Nitrate Rule
Jan 1, 2023 Mar 31, 2023 Nitrate MR No Yes — 10 mg/L — Resolved Mar 31, 2023 Nitrate Rule
Jan 1, 2023 Mar 31, 2023 Nitrate MR No Yes — 10 mg/L — Resolved Mar 31, 2023 Nitrate Rule
Jul 1, 2022 Sep 30, 2022 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 2022 Nitrate Rule
Jul 1, 2022 Sep 30, 2022 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 2022 Nitrate Rule
Jul 1, 2022 Sep 30, 2022 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 2022 Nitrate Rule
Jul 1, 2022 Sep 30, 2022 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 2022 Nitrate Rule
Jun 1, 2022 Jun 30, 2022 E. COLI MR No Yes — — — Resolved Jun 30, 2022 Ground Water Rule
Jun 1, 2022 Jun 30, 2022 E. COLI MR No Yes — — — Resolved Jun 30, 2022 Ground Water Rule
Jun 1, 2022 Jun 30, 2022 E. COLI MR No Yes — — — Resolved Jun 30, 2022 Ground Water Rule
Jun 1, 2022 Jun 30, 2022 E. COLI MR No Yes — — — Resolved Jun 30, 2022 Ground Water Rule
Jun 1, 2022 Jun 30, 2022 E. COLI MR No Yes — — — Resolved Jun 30, 2022 Ground Water Rule
Jun 1, 2022 Jun 30, 2022 E. COLI MR No Yes — — — Resolved Jun 30, 2022 Ground Water Rule
Jun 1, 2022 Jun 30, 2022 E. COLI MR No Yes — — — Resolved Jun 30, 2022 Ground Water Rule
Jun 1, 2022 Jun 30, 2022 E. COLI MR No Yes — — — Resolved Jun 30, 2022 Ground Water Rule
Apr 1, 2018 Jun 30, 2018 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2018 Radionuclides and Revised Rad Rule
Apr 1, 2018 Jun 30, 2018 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2018 Radionuclides and Revised Rad Rule
Apr 1, 2018 Jun 30, 2018 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2018 Radionuclides and Revised Rad Rule
Apr 1, 2018 Jun 30, 2018 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2018 Radionuclides and Revised Rad Rule
Oct 1, 2017 Dec 31, 2017 Endrin MR No Yes — 0.002 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Oct 1, 2017 Dec 31, 2017 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Oct 1, 2017 Dec 31, 2017 Endrin MR No Yes — 0.002 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Oct 1, 2017 Dec 31, 2017 Endrin MR No Yes — 0.002 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Oct 1, 2017 Dec 31, 2017 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 31, 2017 Radionuclides and Revised Rad Rule
Oct 1, 2017 Dec 31, 2017 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Oct 1, 2017 Dec 31, 2017 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Oct 1, 2017 Dec 31, 2017 Toxaphene MR No Yes — 0.003 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Oct 1, 2017 Dec 31, 2017 Toxaphene MR No Yes — 0.003 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Oct 1, 2017 Dec 31, 2017 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Oct 1, 2017 Dec 31, 2017 Endrin MR No Yes — 0.002 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Oct 1, 2017 Dec 31, 2017 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Dec 31, 2017 Radionuclides and Revised Rad Rule
Oct 1, 2017 Dec 31, 2017 Glyphosate MR No Yes — 0.7 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Oct 1, 2017 Dec 31, 2017 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Oct 1, 2017 Dec 31, 2017 Glyphosate MR No Yes — 0.7 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Oct 1, 2017 Dec 31, 2017 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Oct 1, 2017 Dec 31, 2017 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2017 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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