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COLEBROOK WATER WORKS

New Hampshire — Community Water System — PWSID: NH0481010

System Information

PWSIDNH0481010
System NameCOLEBROOK WATER WORKS
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region01
Serves SchoolNo
WholesalerNo
First ReportedMar 8, 1979
Last ReportedDec 15, 2025

Location & Contact

StateNew Hampshire
CityCOLEBROOK
ZIP Code03576
Address17 BRIDGE ST
OrganizationTOWN OF COLEBROOK
Phone—

Population & Service

Population Served1,300
Service Connections523

Drinking Water Violations (155)

This water system has 155 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
Dec 10, 2022 — E. COLI MR No Yes — — — Resolved Dec 22, 2022 Ground Water Rule
Dec 10, 2022 — E. COLI MR No Yes — — — Resolved Dec 22, 2022 Ground Water Rule
Dec 10, 2022 — E. COLI MR No Yes — — — Resolved Dec 22, 2022 Ground Water Rule
Dec 10, 2022 — E. COLI MR No Yes — — — Resolved Dec 22, 2022 Ground Water Rule
Jul 1, 2021 Oct 1, 2021 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Oct 1, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 Oct 1, 2021 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Oct 1, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 Oct 1, 2021 TTHM MR No No — 0.080 mg/L — Resolved Oct 1, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 Oct 1, 2021 TTHM MR No No — 0.080 mg/L — Resolved Oct 1, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Oct 1, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Oct 1, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Oct 1, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Oct 1, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Oct 1, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Oct 1, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Oct 1, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Oct 1, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2016 Jun 30, 2016 Arsenic MCL Yes No .044 MG/L 0.010 mg/L — Resolved Jun 30, 2016 Arsenic Rule
Apr 1, 2016 Jun 30, 2016 Arsenic MCL Yes No .044 MG/L 0.010 mg/L — Resolved Jun 30, 2016 Arsenic Rule
Dec 6, 2015 — Public Notice Other No No — — — Resolved Jan 12, 2016 Public Notice Rule and Revised PN Rule
Dec 6, 2015 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Dec 6, 2015 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Jul 1, 2015 Oct 1, 2015 Chlorine MR No Yes — 4.0 mg/L — Resolved Oct 1, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Oct 1, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 1, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Oct 1, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 1, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Oct 1, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 1, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Oct 1, 2015 Chlorine MR No Yes — 4.0 mg/L — Resolved Oct 1, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Oct 1, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 1, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Oct 1, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 1, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Oct 1, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 1, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Oct 1, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 1, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Oct 1, 2015 Chlorine MR No Yes — 4.0 mg/L — Resolved Oct 1, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Oct 1, 2015 Chlorine MR No Yes — 4.0 mg/L — Resolved Oct 1, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Oct 1, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 1, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Jan 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jan 31, 2015 Total Coliform Rule
Jan 1, 2015 Jan 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jan 31, 2015 Total Coliform Rule
Nov 4, 2009 — Public Notice Other No No — — — Resolved Nov 30, 2009 Public Notice Rule and Revised PN Rule
Nov 4, 2009 — Public Notice Other No No — — — Resolved Nov 30, 2009 Public Notice Rule and Revised PN Rule
Aug 15, 2009 — Lead and Copper Rule TT Yes No — TT — Resolved Dec 29, 2009 Lead and Copper Rule
Aug 15, 2009 — Lead and Copper Rule TT Yes No — TT — Resolved Dec 29, 2009 Lead and Copper Rule
Aug 15, 2009 — Lead and Copper Rule TT Yes No — TT — Resolved Dec 29, 2009 Lead and Copper Rule
Aug 15, 2009 — Lead and Copper Rule TT Yes No — TT — Resolved Dec 29, 2009 Lead and Copper Rule
Aug 15, 2009 — Lead and Copper Rule TT Yes No — TT — Resolved Dec 29, 2009 Lead and Copper Rule
Oct 1, 2008 Jan 1, 2009 Chlorine MR No Yes — 4.0 mg/L — Resolved Jan 1, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2008 Jan 1, 2009 Chlorine MR No Yes — 4.0 mg/L — Resolved Jan 1, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2008 — Consumer Confidence Rule Other No No — — — Resolved Aug 15, 2008 Consumer Confidence Rule
Jul 1, 2008 — Consumer Confidence Rule Other No No — — — Resolved Aug 15, 2008 Consumer Confidence Rule
Feb 19, 2008 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Jul 1, 2007 Oct 1, 2007 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 1, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2007 Oct 1, 2007 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 1, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2007 Oct 1, 2007 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 1, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2007 Oct 1, 2007 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 1, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2007 Oct 1, 2007 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 1, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2007 Oct 1, 2007 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 1, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2007 Oct 1, 2007 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 1, 2007 Stage 1 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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