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UNION WATER CO

Vermont — Community Water System — PWSID: VT0005182

System Information

PWSIDVT0005182
System NameUNION WATER CO
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region01
Serves SchoolNo
WholesalerNo
First ReportedJul 23, 1981
Last ReportedNov 6, 2025

Location & Contact

StateVermont
CityTHETFORD CTR
ZIP Code05075
Address—
OrganizationCLIFFORD, GARY
Phone802-281-9470

Population & Service

Population Served61
Service Connections23

Drinking Water Violations (248)

This water system has 248 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
Jul 1, 2025 — Consumer Confidence Rule Other No No — — — Resolved Jul 2, 2025 Consumer Confidence Rule
Jul 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Oct 31, 2024 Consumer Confidence Rule
Jul 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Oct 31, 2024 Consumer Confidence Rule
Jul 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Oct 31, 2024 Consumer Confidence Rule
Dec 30, 2023 — Lead and Copper Rule MR No No — TT — Resolved Apr 19, 2024 Lead and Copper Rule
Dec 30, 2023 — Lead and Copper Rule MR No No — TT — Resolved Apr 19, 2024 Lead and Copper 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
Jul 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Jun 29, 2021 Consumer Confidence Rule
Jul 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Jun 29, 2021 Consumer Confidence Rule
Jul 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Jun 29, 2021 Consumer Confidence Rule
Jan 1, 2020 Dec 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 26, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Dec 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 26, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Dec 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 26, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Dec 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 26, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Dec 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 26, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Dec 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 26, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Dec 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 26, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Dec 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 26, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Sep 10, 2020 Consumer Confidence Rule
Jul 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Sep 10, 2020 Consumer Confidence Rule
Jul 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Sep 10, 2020 Consumer Confidence Rule
Jul 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Sep 10, 2020 Consumer Confidence Rule
Mar 1, 2019 Mar 31, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2019 Revised Total Coliform Rule
Mar 1, 2019 Mar 31, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2019 Revised Total Coliform Rule
Mar 1, 2019 Mar 31, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2019 Revised Total Coliform Rule
Mar 1, 2019 Mar 31, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2019 Revised Total Coliform Rule
Jan 1, 2019 Mar 31, 2019 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2018 Nov 30, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2018 Revised Total Coliform Rule
Nov 1, 2018 Nov 30, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2018 Revised Total Coliform Rule
Nov 1, 2018 Nov 30, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2018 Revised Total Coliform Rule
Nov 1, 2018 Nov 30, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2018 Revised Total Coliform Rule
Oct 1, 2018 Dec 31, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2018 Dec 31, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2018 Dec 31, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2018 Dec 31, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 — Consumer Confidence Rule Other No No — — — Resolved Jan 2, 2019 Consumer Confidence Rule
Jul 1, 2018 — Consumer Confidence Rule Other No No — — — Resolved Jan 2, 2019 Consumer Confidence Rule
Jul 1, 2018 — Consumer Confidence Rule Other No No — — — Resolved Jan 2, 2019 Consumer Confidence Rule
Jul 1, 2018 — Consumer Confidence Rule Other No No — — — Resolved Jan 2, 2019 Consumer Confidence Rule
Jul 1, 2017 — Consumer Confidence Rule Other No No — — — Unaddressed — Consumer Confidence Rule
Jul 1, 2017 — Consumer Confidence Rule Other No No — — — Unaddressed — Consumer Confidence Rule
Jul 1, 2017 — Consumer Confidence Rule Other No No — — — Unaddressed — Consumer Confidence Rule
Sep 1, 2014 Sep 30, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2014 Total Coliform Rule
Sep 1, 2014 Sep 30, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2014 Total Coliform 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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