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COALINGA-CITY

California — Community Water System — PWSID: CA1010004

System Information

PWSIDCA1010004
System NameCOALINGA-CITY
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
CityCOALINGA
ZIP Code93210
Address155 W. Durian Ave.
OrganizationBREWER, SEAN
Phone559-341-4461

Population & Service

Population Served17,277
Service Connections4,026

Drinking Water Violations (74)

This water system has 74 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, 2016 Dec 31, 2016 Other No No — — — Resolved Dec 31, 2016 Miscellaneous Other Rules
Oct 1, 2016 Dec 31, 2016 Other No No — — — Resolved Dec 31, 2016 Miscellaneous Other Rules
Oct 1, 2016 Dec 31, 2016 Other No No — — — Resolved Dec 31, 2016 Miscellaneous Other Rules
Oct 1, 2015 — Lead and Copper Rule MR No No — TT — Resolved Jun 10, 2016 Lead and Copper Rule
Oct 1, 2015 Dec 31, 2015 TTHM MCL Yes No .0805 MG/L 0.080 mg/L .08 Resolved Dec 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2015 Dec 31, 2015 TTHM MCL Yes No .0805 MG/L 0.080 mg/L .08 Resolved Dec 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2015 Dec 31, 2015 TTHM MCL Yes No .0805 MG/L 0.080 mg/L .08 Resolved Dec 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2015 — Lead and Copper Rule MR No No — TT — Resolved Jun 10, 2016 Lead and Copper Rule
Sep 1, 2015 Sep 30, 2015 Surface Water Treatment Rule TT Yes No — — — Resolved Sep 30, 2015 Surface Water Treatment Rule
Sep 1, 2015 Sep 30, 2015 Surface Water Treatment Rule TT Yes No — — — Resolved Sep 30, 2015 Surface Water Treatment Rule
Jul 1, 2015 Sep 30, 2015 TTHM MCL Yes No .095 MG/L 0.080 mg/L .08 Resolved Sep 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Sep 30, 2015 TTHM MCL Yes No .095 MG/L 0.080 mg/L .08 Resolved Sep 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Sep 30, 2015 TTHM MCL Yes No .095 MG/L 0.080 mg/L .08 Resolved Sep 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2015 Jun 30, 2015 TTHM MCL Yes No .109 MG/L 0.080 mg/L .08 Resolved Jun 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2015 Jun 30, 2015 TTHM MCL Yes No .109 MG/L 0.080 mg/L .08 Resolved Jun 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2015 Jun 30, 2015 TTHM MCL Yes No .109 MG/L 0.080 mg/L .08 Resolved Jun 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 TTHM MCL Yes No .116 MG/L 0.080 mg/L .08 Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 TTHM MCL Yes No .116 MG/L 0.080 mg/L .08 Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 TTHM MCL Yes No .116 MG/L 0.080 mg/L .08 Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 TTHM MCL Yes No .124 MG/L 0.080 mg/L .08 Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 TTHM MCL Yes No .124 MG/L 0.080 mg/L .08 Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 TTHM MCL Yes No .124 MG/L 0.080 mg/L .08 Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 TTHM MCL Yes No .107 MG/L 0.080 mg/L .08 Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 TTHM MCL Yes No .107 MG/L 0.080 mg/L .08 Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 TTHM MCL Yes No .107 MG/L 0.080 mg/L .08 Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 TTHM MCL Yes No .107 MG/L 0.080 mg/L .08 Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 TTHM MCL Yes No .107 MG/L 0.080 mg/L .08 Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2004 Dec 31, 2004 TTHM MCL Yes No .1192 MG/L 0.080 mg/L .08 Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2004 Dec 31, 2004 TTHM MCL Yes No .1192 MG/L 0.080 mg/L .08 Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2004 Dec 31, 2004 TTHM MCL Yes No .1192 MG/L 0.080 mg/L .08 Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2004 Dec 31, 2004 TTHM MCL Yes No .1192 MG/L 0.080 mg/L .08 Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2004 Dec 31, 2004 TTHM MCL Yes No .1192 MG/L 0.080 mg/L .08 Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2004 Dec 31, 2004 TTHM MCL Yes No .1192 MG/L 0.080 mg/L .08 Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2004 Sep 30, 2004 TTHM MCL Yes No .1123 MG/L 0.080 mg/L .08 Resolved Sep 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2004 Sep 30, 2004 TTHM MCL Yes No .1123 MG/L 0.080 mg/L .08 Resolved Sep 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2004 Sep 30, 2004 TTHM MCL Yes No .1123 MG/L 0.080 mg/L .08 Resolved Sep 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2004 Sep 30, 2004 TTHM MCL Yes No .1123 MG/L 0.080 mg/L .08 Resolved Sep 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2004 Sep 30, 2004 TTHM MCL Yes No .1123 MG/L 0.080 mg/L .08 Resolved Sep 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2004 Sep 30, 2004 TTHM MCL Yes No .1123 MG/L 0.080 mg/L .08 Resolved Sep 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2004 Jun 30, 2004 TTHM MCL Yes No .1011 MG/L 0.080 mg/L .08 Resolved Jun 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2004 Jun 30, 2004 TTHM MCL Yes No .1011 MG/L 0.080 mg/L .08 Resolved Jun 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2004 Jun 30, 2004 TTHM MCL Yes No .1011 MG/L 0.080 mg/L .08 Resolved Jun 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2004 Jun 30, 2004 TTHM MCL Yes No .1011 MG/L 0.080 mg/L .08 Resolved Jun 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2004 Jun 30, 2004 TTHM MCL Yes No .1011 MG/L 0.080 mg/L .08 Resolved Jun 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2004 Jun 30, 2004 TTHM MCL Yes No .1011 MG/L 0.080 mg/L .08 Resolved Jun 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2003 Jun 30, 2003 TTHM MCL Yes No .1114 MG/L 0.080 mg/L .08 Resolved Jun 30, 2003 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2003 Jun 30, 2003 TTHM MCL Yes No .1114 MG/L 0.080 mg/L .08 Resolved Jun 30, 2003 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2003 Jun 30, 2003 TTHM MCL Yes No .1114 MG/L 0.080 mg/L .08 Resolved Jun 30, 2003 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2003 Jun 30, 2003 TTHM MCL Yes No .1114 MG/L 0.080 mg/L .08 Resolved Jun 30, 2003 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2003 Jun 30, 2003 TTHM MCL Yes No .1114 MG/L 0.080 mg/L .08 Resolved Jun 30, 2003 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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