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Product Safety9,700+ CPSC product recalls Food Safety28,600+ FDA food recalls Pet Safety1.3M FDA animal adverse events Drug Safety17,500+ FDA drug recalls Device Safety38,400+ FDA device recalls Workplace Safety102,900+ OSHA injury reports Brand HistoryRecall lookup by company

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SONOMA COUNTY CSA 41-FREESTONE

California - Community Water System - PWSID: CA4900549

System Information

PWSIDCA4900549
System NameSONOMA COUNTY CSA 41-FREESTONE
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedMar 22, 1979
Last ReportedMar 20, 2026

Location & Contact

StateCalifornia
CitySANTA ROSA
ZIP Code95403
Address2300 County Center Drive, Suite B100
OrganizationHOEVERTSZ, JOHANNES
Phone707-565-3580

Population & Service

Population Served290
Service Connections26

Drinking Water Violations (63)

This water system has 63 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, 2015 Dec 31, 2015 MCL Yes No .0787 MG/L 0.060 mg/L .06 Resolved Dec 31, 2015 -
Oct 1, 2015 Dec 31, 2015 MCL Yes No .0787 MG/L 0.060 mg/L .06 Resolved Dec 31, 2015 -
Jul 1, 2015 Sep 30, 2015 MCL Yes No .062 MG/L 0.060 mg/L .06 Resolved Sep 30, 2015 -
Jul 1, 2015 Sep 30, 2015 MCL Yes No .062 MG/L 0.060 mg/L .06 Resolved Sep 30, 2015 -
Jan 1, 2015 Mar 31, 2015 MCL Yes No .072 MG/L 0.060 mg/L .06 Resolved Mar 31, 2015 -
Jan 1, 2015 Mar 31, 2015 MCL Yes No .072 MG/L 0.060 mg/L .06 Resolved Mar 31, 2015 -
Jul 1, 2014 Sep 30, 2014 MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Sep 30, 2014 -
Jul 1, 2014 Sep 30, 2014 MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Sep 30, 2014 -
Apr 1, 2014 Apr 30, 2014 MR No No - 5% of samples - Resolved Apr 30, 2014 -
Apr 1, 2014 Apr 30, 2014 MR No No - 5% of samples - Resolved Apr 30, 2014 -
Apr 1, 2014 Jun 30, 2014 MR No Yes - 0.080 mg/L - Resolved Jun 30, 2014 -
Apr 1, 2014 Jun 30, 2014 MR No Yes - 0.080 mg/L - Resolved Jun 30, 2014 -
Apr 1, 2013 Jun 30, 2013 MCL Yes No .09 MG/L 0.080 mg/L .08 Resolved Jun 30, 2013 -
Apr 1, 2013 Jun 30, 2013 MCL Yes No .09 MG/L 0.080 mg/L .08 Resolved Jun 30, 2013 -
Apr 1, 2013 Jun 30, 2013 MCL Yes No .078 MG/L 0.060 mg/L .06 Resolved Jun 30, 2013 -
Apr 1, 2013 Jun 30, 2013 MCL Yes No .078 MG/L 0.060 mg/L .06 Resolved Jun 30, 2013 -
Jan 1, 2013 Mar 31, 2013 MCL Yes No .089 MG/L 0.080 mg/L .08 Resolved Mar 31, 2013 -
Jan 1, 2013 Mar 31, 2013 MCL Yes No .089 MG/L 0.080 mg/L .08 Resolved Mar 31, 2013 -
Jan 1, 2013 Mar 31, 2013 MCL Yes No .075 MG/L 0.060 mg/L .06 Resolved Mar 31, 2013 -
Jan 1, 2013 Mar 31, 2013 MCL Yes No .075 MG/L 0.060 mg/L .06 Resolved Mar 31, 2013 -
Oct 1, 2011 Dec 31, 2011 MCL Yes No .115 MG/L 0.080 mg/L .08 Resolved Dec 31, 2011 -
Oct 1, 2011 Dec 31, 2011 MCL Yes No .095 MG/L 0.060 mg/L .06 Resolved Dec 31, 2011 -
Oct 1, 2011 Dec 31, 2011 MCL Yes No .095 MG/L 0.060 mg/L .06 Resolved Dec 31, 2011 -
Oct 1, 2011 Dec 31, 2011 MCL Yes No .095 MG/L 0.060 mg/L .06 Resolved Dec 31, 2011 -
Oct 1, 2011 Dec 31, 2011 MCL Yes No .115 MG/L 0.080 mg/L .08 Resolved Dec 31, 2011 -
Oct 1, 2011 Dec 31, 2011 MCL Yes No .115 MG/L 0.080 mg/L .08 Resolved Dec 31, 2011 -
Jul 1, 2011 Sep 30, 2011 MCL Yes No .143 MG/L 0.080 mg/L .08 Resolved Sep 30, 2011 -
Jul 1, 2011 Sep 30, 2011 MCL Yes No .143 MG/L 0.080 mg/L .08 Resolved Sep 30, 2011 -
Jul 1, 2011 Sep 30, 2011 MCL Yes No .16 MG/L 0.060 mg/L .06 Resolved Sep 30, 2011 -
Jul 1, 2011 Sep 30, 2011 MCL Yes No .16 MG/L 0.060 mg/L .06 Resolved Sep 30, 2011 -
Apr 1, 2011 Jun 30, 2011 MCL Yes No .126 MG/L 0.080 mg/L .08 Resolved Jun 30, 2011 -
Apr 1, 2011 Jun 30, 2011 MCL Yes No .126 MG/L 0.080 mg/L .08 Resolved Jun 30, 2011 -
Apr 1, 2011 Jun 30, 2011 MCL Yes No .152 MG/L 0.060 mg/L .06 Resolved Jun 30, 2011 -
Apr 1, 2011 Jun 30, 2011 MCL Yes No .152 MG/L 0.060 mg/L .06 Resolved Jun 30, 2011 -
Jan 1, 2011 Mar 31, 2011 MCL Yes No .1355 MG/L 0.060 mg/L .06 Resolved Mar 31, 2011 -
Jan 1, 2011 Mar 31, 2011 MCL Yes No .105 MG/L 0.080 mg/L .08 Resolved Mar 31, 2011 -
Jan 1, 2011 Mar 31, 2011 MCL Yes No .105 MG/L 0.080 mg/L .08 Resolved Mar 31, 2011 -
Jan 1, 2011 Mar 31, 2011 MCL Yes No .1355 MG/L 0.060 mg/L .06 Resolved Mar 31, 2011 -
Oct 1, 2010 Dec 31, 2010 MCL Yes No .0785 MG/L 0.060 mg/L .06 Resolved Dec 31, 2010 -
Oct 1, 2010 Dec 31, 2010 MCL Yes No .0785 MG/L 0.060 mg/L .06 Resolved Dec 31, 2010 -
Sep 1, 2009 Dec 19, 2010 TT Yes No - - - Resolved Dec 19, 2010 -
Sep 1, 2009 Dec 19, 2010 TT Yes No - - - Resolved Dec 19, 2010 -
Nov 1, 2007 Nov 30, 2007 TT Yes No - - - Resolved Nov 30, 2007 -
Nov 1, 2007 Nov 30, 2007 TT Yes No - - - Resolved Nov 30, 2007 -
Jun 1, 1998 Jun 30, 1998 MR No No - 5% of samples - Resolved Jun 30, 1998 -
Jun 1, 1998 Jun 30, 1998 MR No No - 5% of samples - Resolved Jun 30, 1998 -
Apr 1, 1996 Apr 30, 1996 MR No No - 5% of samples - Resolved Apr 30, 1996 -
Apr 1, 1996 Apr 30, 1996 MR No No - 5% of samples - Resolved Apr 30, 1996 -
Jun 1, 1995 Jun 30, 1995 MR No No - 5% of samples - Resolved Jun 30, 1995 -
Jun 1, 1995 Jun 30, 1995 MR No No - 5% of samples - Resolved Jun 30, 1995 -

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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