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ESTERO MUTUAL

California - Community Water System - PWSID: CA2100519

System Information

PWSIDCA2100519
System NameESTERO MUTUAL
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypePrivate
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedJan 5, 1981
Last ReportedMar 20, 2026

Location & Contact

StateCalifornia
CityDILLON BEACH
ZIP Code94929
AddressP.O. BOX 41
OrganizationBREZINA, JOHN
Phone707-878-2400

Population & Service

Population Served206
Service Connections148

Drinking Water Violations (88)

This water system has 88 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, 2021 Dec 31, 2021 MCL Yes No .098 MG/L 0.080 mg/L .08 Resolved Dec 31, 2021 -
Oct 1, 2021 Dec 31, 2021 MCL Yes No .098 MG/L 0.080 mg/L .08 Resolved Dec 31, 2021 -
Jul 1, 2021 Sep 30, 2021 MCL Yes No .095 MG/L 0.080 mg/L .08 Resolved Sep 30, 2021 -
Jul 1, 2021 Sep 30, 2021 MCL Yes No .095 MG/L 0.080 mg/L .08 Resolved Sep 30, 2021 -
Oct 1, 2016 Dec 31, 2016 MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Dec 31, 2016 -
Oct 1, 2016 Dec 31, 2016 MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Dec 31, 2016 -
Apr 1, 2016 Jun 30, 2016 MCL Yes No .0968 MG/L 0.080 mg/L .08 Resolved Jun 30, 2016 -
Apr 1, 2016 Jun 30, 2016 MCL Yes No .0968 MG/L 0.080 mg/L .08 Resolved Jun 30, 2016 -
Jan 1, 2016 Mar 31, 2016 MCL Yes No .103 MG/L 0.080 mg/L .08 Resolved Mar 31, 2016 -
Oct 1, 2015 Dec 31, 2015 MCL Yes No .13225 MG/L 0.080 mg/L .08 Resolved Dec 31, 2015 -
Oct 1, 2015 Dec 31, 2015 MCL Yes No .13225 MG/L 0.080 mg/L .08 Resolved Dec 31, 2015 -
Jul 1, 2015 Sep 30, 2015 MCL Yes No .14625 MG/L 0.080 mg/L .08 Resolved Sep 30, 2015 -
Jul 1, 2015 Sep 30, 2015 MCL Yes No .14625 MG/L 0.080 mg/L .08 Resolved Sep 30, 2015 -
Jan 1, 2015 Mar 31, 2015 MCL Yes No .13225 MG/L 0.080 mg/L .08 Resolved Mar 31, 2015 -
Jan 1, 2015 Mar 31, 2015 MCL Yes No .0631 MG/L 0.060 mg/L .06 Resolved Mar 31, 2015 -
Jan 1, 2015 Mar 31, 2015 MCL Yes No .13225 MG/L 0.080 mg/L .08 Resolved Mar 31, 2015 -
Jan 1, 2015 Mar 31, 2015 MCL Yes No .0631 MG/L 0.060 mg/L .06 Resolved Mar 31, 2015 -
Oct 1, 2014 Dec 31, 2014 MCL Yes No .14 MG/L 0.080 mg/L .08 Resolved Dec 31, 2014 -
Oct 1, 2014 Dec 31, 2014 MCL Yes No .14 MG/L 0.080 mg/L .08 Resolved Dec 31, 2014 -
Jul 1, 2014 Sep 30, 2014 MCL Yes No .1525 MG/L 0.080 mg/L .08 Resolved Sep 30, 2014 -
Jul 1, 2014 Sep 30, 2014 MCL Yes No .1525 MG/L 0.080 mg/L .08 Resolved Sep 30, 2014 -
Jan 1, 2014 Mar 31, 2014 MCL Yes No .1775 MG/L 0.080 mg/L .08 Resolved Mar 31, 2014 -
Jan 1, 2014 Mar 31, 2014 MCL Yes No .1775 MG/L 0.080 mg/L .08 Resolved Mar 31, 2014 -
Oct 1, 2013 Dec 31, 2013 MCL Yes No .1925 MG/L 0.080 mg/L .08 Resolved Dec 31, 2013 -
Oct 1, 2013 Dec 31, 2013 MCL Yes No .1925 MG/L 0.080 mg/L .08 Resolved Dec 31, 2013 -
Jul 1, 2013 Sep 30, 2013 MCL Yes No 210 UG/L 0.080 mg/L - Resolved Sep 30, 2013 -
Jul 1, 2013 Sep 30, 2013 MCL Yes No 210 UG/L 0.080 mg/L - Resolved Sep 30, 2013 -
Jul 1, 2013 Sep 30, 2013 MCL Yes No 210 UG/L 0.080 mg/L - Resolved Sep 30, 2013 -
Jul 1, 2012 Sep 30, 2012 MCL Yes No .064825 MG/L 0.060 mg/L .06 Resolved Sep 30, 2012 -
Jul 1, 2012 Sep 30, 2012 MCL Yes No .1445 MG/L 0.080 mg/L .08 Resolved Sep 30, 2012 -
Jul 1, 2012 Sep 30, 2012 MCL Yes No .1445 MG/L 0.080 mg/L .08 Resolved Sep 30, 2012 -
Jul 1, 2012 Sep 30, 2012 MCL Yes No .064825 MG/L 0.060 mg/L .06 Resolved Sep 30, 2012 -
Apr 1, 2012 Jun 30, 2012 MCL Yes No .065425 MG/L 0.060 mg/L .06 Resolved Jun 30, 2012 -
Apr 1, 2012 Jun 30, 2012 MCL Yes No .065425 MG/L 0.060 mg/L .06 Resolved Jun 30, 2012 -
Apr 1, 2012 Jun 30, 2012 MCL Yes No .1245 MG/L 0.080 mg/L .08 Resolved Jun 30, 2012 -
Apr 1, 2012 Jun 30, 2012 MCL Yes No .1245 MG/L 0.080 mg/L .08 Resolved Jun 30, 2012 -
Oct 1, 2011 Dec 31, 2011 MCL Yes No .6813 MG/L 0.060 mg/L .06 Resolved Dec 31, 2011 -
Oct 1, 2011 Dec 31, 2011 MCL Yes No .6813 MG/L 0.060 mg/L .06 Resolved Dec 31, 2011 -
Oct 1, 2011 Dec 31, 2011 MCL Yes No .1053 MG/L 0.080 mg/L .08 Resolved Dec 31, 2011 -
Oct 1, 2011 Dec 31, 2011 MCL Yes No .1053 MG/L 0.080 mg/L .08 Resolved Dec 31, 2011 -
Oct 1, 2011 Dec 31, 2011 MCL Yes No .1053 MG/L 0.080 mg/L .08 Resolved Dec 31, 2011 -
Oct 1, 2011 Dec 31, 2011 MCL Yes No .6813 MG/L 0.060 mg/L .06 Resolved Dec 31, 2011 -
Jul 1, 2011 Sep 30, 2011 MCL Yes No .077525 MG/L 0.060 mg/L .06 Resolved Sep 30, 2011 -
Jul 1, 2011 Sep 30, 2011 MCL Yes No .1133 MG/L 0.080 mg/L .08 Resolved Sep 30, 2011 -
Jul 1, 2011 Sep 30, 2011 MCL Yes No .077525 MG/L 0.060 mg/L .06 Resolved Sep 30, 2011 -
Jul 1, 2011 Sep 30, 2011 MCL Yes No .1133 MG/L 0.080 mg/L .08 Resolved Sep 30, 2011 -
Jul 1, 2011 Sep 30, 2011 MCL Yes No .1133 MG/L 0.080 mg/L .08 Resolved Sep 30, 2011 -
Apr 1, 2011 Jun 30, 2011 MCL Yes No .11075 MG/L 0.080 mg/L .08 Resolved Jun 30, 2011 -
Apr 1, 2011 Jun 30, 2011 MCL Yes No .11075 MG/L 0.080 mg/L .08 Resolved Jun 30, 2011 -
Jan 1, 2011 Mar 31, 2011 MCL Yes No .11075 MG/L 0.080 mg/L .08 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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