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CANAAN WATER DEPT

New Hampshire — Community Water System — PWSID: NH0351010

System Information

PWSIDNH0351010
System NameCANAAN WATER DEPT
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

StateNew Hampshire
CityCANAAN
ZIP Code03741
AddressPO BOX 38
Organization—
Phone—

Population & Service

Population Served684
Service Connections203

Drinking Water Violations (229)

This water system has 229 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 1, 2024 Jan 1, 2025 TTHM MR No Yes — 0.080 mg/L — Resolved Jan 1, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Jan 1, 2025 TTHM MR No Yes — 0.080 mg/L — Resolved Jan 1, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Jan 1, 2025 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jan 1, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Jan 1, 2025 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jan 1, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Jan 1, 2025 TTHM MR No Yes — 0.080 mg/L — Resolved Jan 1, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Jan 1, 2025 TTHM MR No Yes — 0.080 mg/L — Resolved Jan 1, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Jan 1, 2025 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jan 1, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Jan 1, 2025 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jan 1, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 15, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Sep 3, 2024 Revised Total Coliform Rule
Aug 15, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Sep 3, 2024 Revised Total Coliform Rule
Aug 15, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Sep 3, 2024 Revised Total Coliform Rule
Aug 15, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Sep 3, 2024 Revised Total Coliform Rule
Jul 1, 2024 Aug 1, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 1, 2024 Revised Total Coliform Rule
Jul 1, 2024 Aug 1, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 1, 2024 Revised Total Coliform Rule
Jul 1, 2024 Aug 1, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 1, 2024 Revised Total Coliform Rule
Jul 1, 2024 Aug 1, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 1, 2024 Revised Total Coliform Rule
Mar 2, 2023 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Oct 19, 2022 — Public Notice Other No No — — — Resolved Nov 22, 2022 Public Notice Rule and Revised PN Rule
Oct 19, 2022 — Public Notice Other No No — — — Resolved Nov 22, 2022 Public Notice Rule and Revised PN Rule
Oct 19, 2022 — Public Notice Other No No — — — Resolved Nov 22, 2022 Public Notice Rule and Revised PN Rule
Oct 19, 2022 — Public Notice Other No No — — — Resolved Nov 22, 2022 Public Notice Rule and Revised PN Rule
Oct 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Nov 17, 2022 Lead and Copper Rule
Oct 1, 2022 Jan 1, 2023 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Jan 1, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 Jan 1, 2023 TTHM MR No No — 0.080 mg/L — Resolved Jan 1, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 Jan 1, 2023 TTHM MR No No — 0.080 mg/L — Resolved Jan 1, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 Jan 1, 2023 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Jan 1, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Nov 17, 2022 Lead and Copper Rule
Oct 1, 2022 Jan 1, 2023 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Jan 1, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 Jan 1, 2023 TTHM MR No No — 0.080 mg/L — Resolved Jan 1, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 Jan 1, 2023 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Jan 1, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 Jan 1, 2023 TTHM MR No No — 0.080 mg/L — Resolved Jan 1, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 8, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Oct 18, 2022 Revised Total Coliform Rule
Sep 8, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Oct 18, 2022 Revised Total Coliform Rule
Sep 8, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Oct 18, 2022 Revised Total Coliform Rule
Sep 8, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Oct 18, 2022 Revised Total Coliform Rule
Aug 25, 2022 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Aug 25, 2022 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Aug 1, 2022 Sep 1, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 1, 2022 Revised Total Coliform Rule
Aug 1, 2022 Sep 1, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 1, 2022 Revised Total Coliform Rule
Aug 1, 2022 Sep 1, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 1, 2022 Revised Total Coliform Rule
Aug 1, 2022 Sep 1, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 1, 2022 Revised Total Coliform Rule
Apr 1, 2022 Jul 1, 2022 TTHM MR No No — 0.080 mg/L — Resolved Jul 1, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jul 1, 2022 TTHM MR No No — 0.080 mg/L — Resolved Jul 1, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jul 1, 2022 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Jul 1, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jul 1, 2022 TTHM MR No No — 0.080 mg/L — Resolved Jul 1, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jul 1, 2022 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Jul 1, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jul 1, 2022 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Jul 1, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jul 1, 2022 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Jul 1, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 TTHM MCL Yes No .084 MG/L 0.080 mg/L — Resolved Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 TTHM MCL Yes No .084 MG/L 0.080 mg/L — Resolved Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts 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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