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COLUMBIA MANUFACTURING - WELL #1

Connecticut — Non-Transient Non-Community — PWSID: CT0309013

System Information

PWSIDCT0309013
System NameCOLUMBIA MANUFACTURING - WELL #1
System TypeNon-Transient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region01
Serves SchoolNo
WholesalerNo
First ReportedAug 29, 1989
Last ReportedDec 15, 2025

Location & Contact

StateConnecticut
CityCOLUMBIA
ZIP Code06237
Address165 Route 66 East
OrganizationMACLEAN, JUSTIN
Phone860-228-2259

Population & Service

Population Served150
Service Connections1

Drinking Water Violations (452)

This water system has 452 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
Nov 1, 2024 Nov 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2024 Revised Total Coliform Rule
Nov 1, 2024 Nov 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2024 Revised Total Coliform Rule
Nov 1, 2024 Nov 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2024 Revised Total Coliform Rule
Nov 1, 2024 Nov 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2024 Revised Total Coliform Rule
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Unaddressed — Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Unaddressed — Lead and Copper Rule Revisions
Aug 3, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 16, 2024 Revised Total Coliform Rule
Aug 3, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 16, 2024 Revised Total Coliform Rule
Aug 3, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 16, 2024 Revised Total Coliform Rule
Aug 3, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 16, 2024 Revised Total Coliform Rule
Mar 31, 2024 — Lead and Copper Rule MR No No — TT — Resolved May 1, 2024 Lead and Copper Rule
Nov 1, 2023 Nov 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2023 Revised Total Coliform Rule
Nov 1, 2023 Nov 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2023 Revised Total Coliform Rule
Nov 1, 2023 Nov 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2023 Revised Total Coliform Rule
Nov 1, 2023 Nov 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2023 Revised Total Coliform Rule
Aug 1, 2023 Aug 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2023 Revised Total Coliform Rule
Aug 1, 2023 Aug 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2023 Revised Total Coliform Rule
Aug 1, 2023 Aug 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2023 Revised Total Coliform Rule
Aug 1, 2023 Aug 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2023 Revised Total Coliform Rule
Jul 1, 2023 Jul 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2023 Revised Total Coliform Rule
Jul 1, 2023 Jul 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2023 Revised Total Coliform Rule
Jul 1, 2023 Jul 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2023 Revised Total Coliform Rule
Jul 1, 2023 Jul 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2023 Revised Total Coliform Rule
Apr 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved May 1, 2023 Lead and Copper Rule
Jan 15, 2023 — Revised Total Coliform Rule TT Yes No — — — Resolved Apr 21, 2023 Revised Total Coliform Rule
Jan 15, 2023 — Revised Total Coliform Rule TT Yes No — — — Resolved Apr 21, 2023 Revised Total Coliform Rule
Jan 15, 2023 — Revised Total Coliform Rule TT Yes No — — — Resolved Apr 21, 2023 Revised Total Coliform Rule
Jan 15, 2023 — Public Notice Other No No — — — Resolved Sep 10, 2023 Public Notice Rule and Revised PN Rule
Jan 15, 2023 — Revised Total Coliform Rule TT Yes No — — — Resolved Apr 21, 2023 Revised Total Coliform Rule
Jan 1, 2023 Jan 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2023 Revised Total Coliform Rule
Jan 1, 2023 Jan 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2023 Revised Total Coliform Rule
Jan 1, 2023 Jan 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2023 Revised Total Coliform Rule
Jan 1, 2023 Jan 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2023 Revised Total Coliform Rule
Oct 1, 2022 Oct 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2022 Revised Total Coliform Rule
Oct 1, 2022 Oct 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2022 Revised Total Coliform Rule
Oct 1, 2022 Oct 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2022 Revised Total Coliform Rule
Oct 1, 2022 Oct 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2022 Revised Total Coliform Rule
Sep 29, 2022 — Lead and Copper Rule MR No No — TT — Resolved Feb 22, 2023 Lead and Copper Rule
Sep 29, 2022 — Lead and Copper Rule MR No No — TT — Resolved Feb 22, 2023 Lead and Copper Rule
Apr 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved May 9, 2022 Lead and Copper Rule
Apr 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved May 9, 2022 Lead and Copper Rule
Jan 1, 2022 Dec 31, 2022 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2022 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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