CITY OF LATHROP

California — Community Water System — PWSID: CA3910015

System Information

PWSIDCA3910015
System NameCITY OF LATHROP
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedMar 22, 1979
Last ReportedMar 20, 2026

Location & Contact

StateCalifornia
CityLATHROP
ZIP Code95330
Address390 Towne Centre Drive
OrganizationKING, MICHAEL
Phone209-941-7454

Population & Service

Population Served35,080
Service Connections11,185

Drinking Water Violations (124)

This water system has 124 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, 2018 Sep 30, 2018 MR No Yes 0.080 mg/L Resolved Sep 30, 2018
Jul 1, 2018 Sep 30, 2018 MR No Yes 0.080 mg/L Resolved Sep 30, 2018
Jul 1, 2018 Sep 30, 2018 MR No Yes 0.060 mg/L Resolved Sep 30, 2018
Jul 1, 2018 Sep 30, 2018 MR No Yes 0.060 mg/L Resolved Sep 30, 2018
Apr 1, 2014 Jun 30, 2014 MCL Yes No 29.3 PCI/L 30 ug/L 20 Resolved Jun 30, 2014
Apr 1, 2014 Jun 30, 2014 MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Jun 30, 2014
Apr 1, 2014 Jun 30, 2014 MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Jun 30, 2014
Apr 1, 2014 Jun 30, 2014 MCL Yes No 29.3 PCI/L 30 ug/L 20 Resolved Jun 30, 2014
Jan 1, 2014 Mar 31, 2014 MCL Yes No 29.3 PCI/L 30 ug/L 20 Resolved Mar 31, 2014
Jan 1, 2014 Mar 31, 2014 MCL Yes No 29.3 PCI/L 30 ug/L 20 Resolved Mar 31, 2014
Jan 1, 2014 Mar 31, 2014 MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Mar 31, 2014
Jan 1, 2014 Mar 31, 2014 MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Mar 31, 2014
Oct 1, 2013 Dec 31, 2013 MCL Yes No .01185 MG/L 0.010 mg/L .01 Resolved Dec 31, 2013
Oct 1, 2013 Dec 31, 2013 MCL Yes No .01185 MG/L 0.010 mg/L .01 Resolved Dec 31, 2013
Oct 1, 2013 Dec 31, 2013 MCL Yes No 29.13 PCI/L 30 ug/L 20 Resolved Dec 31, 2013
Oct 1, 2013 Dec 31, 2013 MCL Yes No 29.13 PCI/L 30 ug/L 20 Resolved Dec 31, 2013
Jul 1, 2013 Sep 30, 2013 MCL Yes No .01343 MG/L 0.010 mg/L .01 Resolved Sep 30, 2013
Jul 1, 2013 Sep 30, 2013 MCL Yes No .01343 MG/L 0.010 mg/L .01 Resolved Sep 30, 2013
Jul 1, 2013 Sep 30, 2013 MCL Yes No 29.96 PCI/L 30 ug/L 20 Resolved Sep 30, 2013
Jul 1, 2013 Sep 30, 2013 MCL Yes No 29.96 PCI/L 30 ug/L 20 Resolved Sep 30, 2013
Apr 1, 2013 Jun 30, 2013 MCL Yes No .01425 MG/L 0.010 mg/L .01 Resolved Jun 30, 2013
Apr 1, 2013 Jun 30, 2013 MCL Yes No .01425 MG/L 0.010 mg/L .01 Resolved Jun 30, 2013
Apr 1, 2013 Jun 30, 2013 MCL Yes No 22.88 PCI/L 30 ug/L 20 Resolved Jun 30, 2013
Apr 1, 2013 Jun 30, 2013 MCL Yes No 22.88 PCI/L 30 ug/L 20 Resolved Jun 30, 2013
Jan 1, 2013 Mar 31, 2013 MCL Yes No 20.7 PCI/L 30 ug/L 20 Resolved Mar 31, 2013
Jan 1, 2013 Mar 31, 2013 MCL Yes No .013 MG/L 0.010 mg/L .01 Resolved Mar 31, 2013
Jan 1, 2013 Mar 31, 2013 MCL Yes No .013 MG/L 0.010 mg/L .01 Resolved Mar 31, 2013
Jan 1, 2013 Mar 31, 2013 MCL Yes No 20.7 PCI/L 30 ug/L 20 Resolved Mar 31, 2013
Oct 1, 2012 Dec 31, 2012 MCL Yes No .01275 MG/L 0.010 mg/L .01 Resolved Dec 31, 2012
Oct 1, 2012 Dec 31, 2012 MCL Yes No .01275 MG/L 0.010 mg/L .01 Resolved Dec 31, 2012
Jul 1, 2012 Sep 30, 2012 MCL Yes No .01175 MG/L 0.010 mg/L .01 Resolved Sep 30, 2012
Jul 1, 2012 Sep 30, 2012 MCL Yes No .01175 MG/L 0.010 mg/L .01 Resolved Sep 30, 2012
Jul 1, 2012 Sep 30, 2012 MCL Yes No 20.69 PCI/L 30 ug/L 20 Resolved Sep 30, 2012
Jul 1, 2012 Sep 30, 2012 MCL Yes No 20.69 PCI/L 30 ug/L 20 Resolved Sep 30, 2012
Apr 1, 2012 Jun 30, 2012 MCL Yes No .0187 MG/L 0.010 mg/L .01 Resolved Jun 30, 2012
Apr 1, 2012 Jun 30, 2012 MCL Yes No .0187 MG/L 0.010 mg/L .01 Resolved Jun 30, 2012
Apr 1, 2012 Jun 30, 2012 MCL Yes No .0187 MG/L 0.010 mg/L .01 Resolved Jun 30, 2012
Jan 1, 2012 Mar 31, 2012 MCL Yes No .01875 MG/L 0.010 mg/L .01 Resolved Mar 31, 2012
Jan 1, 2012 Mar 31, 2012 MCL Yes No .01875 MG/L 0.010 mg/L .01 Resolved Mar 31, 2012
Jan 1, 2012 Mar 31, 2012 MCL Yes No .01875 MG/L 0.010 mg/L .01 Resolved Mar 31, 2012
Oct 1, 2011 Dec 31, 2011 MCL Yes No .0187 MG/L 0.010 mg/L .01 Resolved Dec 31, 2011
Oct 1, 2011 Dec 31, 2011 MCL Yes No .0187 MG/L 0.010 mg/L .01 Resolved Dec 31, 2011
Oct 1, 2011 Dec 31, 2011 MCL Yes No .0187 MG/L 0.010 mg/L .01 Resolved Dec 31, 2011
Jul 1, 2011 Sep 30, 2011 MCL Yes No .0186 MG/L 0.010 mg/L .01 Resolved Sep 30, 2011
Jul 1, 2011 Sep 30, 2011 MCL Yes No .0186 MG/L 0.010 mg/L .01 Resolved Sep 30, 2011
Jul 1, 2011 Sep 30, 2011 MCL Yes No .0186 MG/L 0.010 mg/L .01 Resolved Sep 30, 2011
Apr 1, 2011 Jun 30, 2011 MCL Yes No .0186 MG/L 0.010 mg/L .01 Resolved Jun 30, 2011
Apr 1, 2011 Jun 30, 2011 MCL Yes No .0186 MG/L 0.010 mg/L .01 Resolved Jun 30, 2011
Apr 1, 2011 Jun 30, 2011 MCL Yes No .0186 MG/L 0.010 mg/L .01 Resolved Jun 30, 2011
Jan 1, 2011 Mar 31, 2011 MCL Yes No .018 MG/L 0.010 mg/L .01 Resolved Mar 31, 2011

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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