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MONTAGUE, CITY OF

California — Community Water System — PWSID: CA4710007

System Information

PWSIDCA4710007
System NameMONTAGUE, CITY OF
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedMar 22, 1979
Last ReportedNov 17, 2025

Location & Contact

StateCalifornia
CityMONTAGUE
ZIP Code96064
AddressP.O. Box 428
OrganizationDUNN, DAVID
Phone530-459-5204

Population & Service

Population Served1,264
Service Connections536

Drinking Water Violations (19)

This water system has 19 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 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Unaddressed — Lead and Copper Rule Revisions
Jun 1, 2019 — Revised Total Coliform Rule TT Yes No — — — Resolved Jun 30, 2019 Revised Total Coliform Rule
Jun 1, 2019 — Revised Total Coliform Rule TT Yes No — — — Resolved Jun 30, 2019 Revised Total Coliform Rule
Sep 1, 2014 Sep 30, 2014 Surface Water Treatment Rule TT Yes No — — — Resolved Sep 30, 2014 Surface Water Treatment Rule
Sep 1, 2014 Sep 30, 2014 Surface Water Treatment Rule TT Yes No — — — Resolved Sep 30, 2014 Surface Water Treatment Rule
Jul 1, 2014 Jul 31, 2014 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2014 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2014 Jul 31, 2014 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2014 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2010 Sep 30, 2010 TTHM MCL Yes No .09 MG/L 0.080 mg/L .08 Resolved Sep 30, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2010 Sep 30, 2010 TTHM MCL Yes No .09 MG/L 0.080 mg/L .08 Resolved Sep 30, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2009 Dec 31, 2009 TTHM MCL Yes No .09 MG/L 0.080 mg/L .08 Resolved Dec 31, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2009 Dec 31, 2009 TTHM MCL Yes No .09 MG/L 0.080 mg/L .08 Resolved Dec 31, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2009 Dec 31, 2009 TTHM MCL Yes No .09 MG/L 0.080 mg/L .08 Resolved Dec 31, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2009 Sep 30, 2009 TTHM MCL Yes No .09 MG/L 0.080 mg/L .08 Resolved Sep 30, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2009 Sep 30, 2009 TTHM MCL Yes No .09 MG/L 0.080 mg/L .08 Resolved Sep 30, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2008 Dec 31, 2008 Total Haloacetic Acids (HAA5) MCL Yes No .09 MG/L 0.060 mg/L .06 Resolved Dec 31, 2008 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2008 Dec 31, 2008 Total Haloacetic Acids (HAA5) MCL Yes No .09 MG/L 0.060 mg/L .06 Resolved Dec 31, 2008 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2008 Jun 30, 2008 TTHM MCL Yes No .092 MG/L 0.080 mg/L .08 Resolved Jun 30, 2008 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2008 Jun 30, 2008 TTHM MCL Yes No .092 MG/L 0.080 mg/L .08 Resolved Jun 30, 2008 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2008 Jun 30, 2008 TTHM MCL Yes No .092 MG/L 0.080 mg/L .08 Resolved Jun 30, 2008 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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