KEYES COMMUNITY SERVICES DIST.

California — Community Water System — PWSID: CA5010009

System Information

PWSIDCA5010009
System NameKEYES COMMUNITY SERVICES DIST.
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedMar 22, 1979
Last ReportedNov 17, 2025

Location & Contact

StateCalifornia
CityKEYES
ZIP Code95328
AddressP.O. BOX 699
OrganizationJONES, MICHAEL
Phone209-668-8341

Population & Service

Population Served5,672
Service Connections1,477

Drinking Water Violations (114)

This water system has 114 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
Jan 1, 2020 Mar 31, 2020 Arsenic MCL Yes No 10.31 UG/L 0.010 mg/L 10 Resolved Mar 31, 2020 Arsenic Rule
Jan 1, 2020 Mar 31, 2020 Arsenic MCL Yes No 10.31 UG/L 0.010 mg/L 10 Resolved Mar 31, 2020 Arsenic Rule
Oct 1, 2019 Dec 31, 2019 Arsenic MCL Yes No 15 UG/L 0.010 mg/L 10 Resolved Dec 31, 2019 Arsenic Rule
Oct 1, 2019 Dec 31, 2019 Arsenic MCL Yes No 15 UG/L 0.010 mg/L 10 Resolved Dec 31, 2019 Arsenic Rule
Jul 1, 2019 Sep 30, 2019 Arsenic MCL Yes No 19 UG/L 0.010 mg/L 10 Resolved Sep 30, 2019 Arsenic Rule
Jul 1, 2019 Sep 30, 2019 Arsenic MCL Yes No 19 UG/L 0.010 mg/L 10 Resolved Sep 30, 2019 Arsenic Rule
Apr 1, 2019 Jun 30, 2019 Arsenic MCL Yes No .016 MG/L 0.010 mg/L .01 Resolved Jun 30, 2019 Arsenic Rule
Apr 1, 2019 Jun 30, 2019 Arsenic MCL Yes No .016 MG/L 0.010 mg/L .01 Resolved Jun 30, 2019 Arsenic Rule
Jan 1, 2019 Mar 31, 2019 Arsenic MCL Yes No .015 MG/L 0.010 mg/L .01 Resolved Mar 31, 2019 Arsenic Rule
Jan 1, 2019 Mar 31, 2019 Arsenic MCL Yes No .015 MG/L 0.010 mg/L .01 Resolved Mar 31, 2019 Arsenic Rule
Sep 1, 2018 Nov 30, 2018 Arsenic MCL Yes No .015 MG/L 0.010 mg/L .01 Resolved Nov 30, 2018 Arsenic Rule
Sep 1, 2018 Nov 30, 2018 Arsenic MCL Yes No .015 MG/L 0.010 mg/L .01 Resolved Nov 30, 2018 Arsenic Rule
Jul 1, 2018 Sep 30, 2018 Arsenic MCL Yes No .015 MG/L 0.010 mg/L .01 Resolved Sep 30, 2018 Arsenic Rule
Jul 1, 2018 Sep 30, 2018 Arsenic MCL Yes No .015 MG/L 0.010 mg/L .01 Resolved Sep 30, 2018 Arsenic Rule
Apr 1, 2018 Jun 30, 2018 Arsenic MCL Yes No .015 MG/L 0.010 mg/L .01 Resolved Jun 30, 2018 Arsenic Rule
Apr 1, 2018 Jun 30, 2018 Arsenic MCL Yes No .015 MG/L 0.010 mg/L .01 Resolved Jun 30, 2018 Arsenic Rule
Jan 1, 2018 Mar 31, 2018 Arsenic MCL Yes No .014 MG/L 0.010 mg/L .01 Resolved Mar 31, 2018 Arsenic Rule
Jan 1, 2018 Mar 31, 2018 Arsenic MCL Yes No .014 MG/L 0.010 mg/L .01 Resolved Mar 31, 2018 Arsenic Rule
Oct 1, 2017 Dec 31, 2017 Arsenic MCL Yes No .0145 MG/L 0.010 mg/L .01 Resolved Dec 31, 2017 Arsenic Rule
Oct 1, 2017 Dec 31, 2017 Arsenic MCL Yes No .0145 MG/L 0.010 mg/L .01 Resolved Dec 31, 2017 Arsenic Rule
Jul 1, 2017 Sep 30, 2017 Arsenic MCL Yes No .015 MG/L 0.010 mg/L .01 Resolved Sep 30, 2017 Arsenic Rule
Jul 1, 2017 Sep 30, 2017 Arsenic MCL Yes No .015 MG/L 0.010 mg/L .01 Resolved Sep 30, 2017 Arsenic Rule
Apr 1, 2017 Jun 30, 2017 Arsenic MCL Yes No .0155 MG/L 0.010 mg/L .01 Resolved Jun 30, 2017 Arsenic Rule
Apr 1, 2017 Jun 30, 2017 Arsenic MCL Yes No .0155 MG/L 0.010 mg/L .01 Resolved Jun 30, 2017 Arsenic Rule
Jan 1, 2017 Mar 31, 2017 Arsenic MCL Yes No .0165 MG/L 0.010 mg/L .01 Resolved Mar 31, 2017 Arsenic Rule
Jan 1, 2017 Mar 31, 2017 Arsenic MCL Yes No .0165 MG/L 0.010 mg/L .01 Resolved Mar 31, 2017 Arsenic Rule
Oct 1, 2016 Dec 31, 2016 Arsenic MCL Yes No .0157 MG/L 0.010 mg/L .01 Resolved Dec 31, 2016 Arsenic Rule
Oct 1, 2016 Dec 31, 2016 Arsenic MCL Yes No .0157 MG/L 0.010 mg/L .01 Resolved Dec 31, 2016 Arsenic Rule
Jul 1, 2016 Sep 30, 2016 Arsenic MCL Yes No .015 MG/L 0.010 mg/L .01 Resolved Sep 30, 2016 Arsenic Rule
Jul 1, 2016 Sep 30, 2016 Arsenic MCL Yes No .015 MG/L 0.010 mg/L .01 Resolved Sep 30, 2016 Arsenic Rule
Apr 1, 2016 Jun 30, 2016 Arsenic MCL Yes No .015 MG/L 0.010 mg/L .01 Resolved Jun 30, 2016 Arsenic Rule
Apr 1, 2016 Jun 30, 2016 Arsenic MCL Yes No .015 MG/L 0.010 mg/L .01 Resolved Jun 30, 2016 Arsenic Rule
Jan 1, 2016 Mar 31, 2016 Arsenic MCL Yes No .0145 MG/L 0.010 mg/L .01 Resolved Mar 31, 2016 Arsenic Rule
Jan 1, 2016 Mar 31, 2016 Arsenic MCL Yes No .0145 MG/L 0.010 mg/L .01 Resolved Mar 31, 2016 Arsenic Rule
Oct 1, 2015 Dec 31, 2015 Arsenic MCL Yes No .014 MG/L 0.010 mg/L .01 Resolved Dec 31, 2015 Arsenic Rule
Oct 1, 2015 Dec 31, 2015 Arsenic MCL Yes No .014 MG/L 0.010 mg/L .01 Resolved Dec 31, 2015 Arsenic Rule
Jul 1, 2015 Sep 30, 2015 Arsenic MCL Yes No .014 MG/L 0.010 mg/L .01 Resolved Sep 30, 2015 Arsenic Rule
Jul 1, 2015 Sep 30, 2015 Arsenic MCL Yes No .014 MG/L 0.010 mg/L .01 Resolved Sep 30, 2015 Arsenic Rule
Apr 1, 2015 Jun 30, 2015 Arsenic MCL Yes No .014 MG/L 0.010 mg/L .01 Resolved Jun 30, 2015 Arsenic Rule
Apr 1, 2015 Jun 30, 2015 Arsenic MCL Yes No .014 MG/L 0.010 mg/L .01 Resolved Jun 30, 2015 Arsenic Rule
Jan 1, 2015 Mar 31, 2015 Arsenic MCL Yes No .014 MG/L 0.010 mg/L .01 Resolved Mar 31, 2015 Arsenic Rule
Jan 1, 2015 Mar 31, 2015 Arsenic MCL Yes No .014 MG/L 0.010 mg/L .01 Resolved Mar 31, 2015 Arsenic Rule
Oct 1, 2014 Dec 31, 2014 Arsenic MCL Yes No .0145 MG/L 0.010 mg/L .01 Resolved Dec 31, 2014 Arsenic Rule
Oct 1, 2014 Dec 31, 2014 Arsenic MCL Yes No .0145 MG/L 0.010 mg/L .01 Resolved Dec 31, 2014 Arsenic Rule
Jul 1, 2014 Sep 30, 2014 Arsenic MCL Yes No .015 MG/L 0.010 mg/L .01 Resolved Sep 30, 2014 Arsenic Rule
Jul 1, 2014 Sep 30, 2014 Arsenic MCL Yes No .015 MG/L 0.010 mg/L .01 Resolved Sep 30, 2014 Arsenic Rule
Apr 1, 2014 Jun 30, 2014 Arsenic MCL Yes No .015 MG/L 0.010 mg/L .01 Resolved Jun 30, 2014 Arsenic Rule
Apr 1, 2014 Jun 30, 2014 Arsenic MCL Yes No .015 MG/L 0.010 mg/L .01 Resolved Jun 30, 2014 Arsenic Rule
Jan 1, 2014 Mar 31, 2014 Arsenic MCL Yes No .0135 MG/L 0.010 mg/L .01 Resolved Mar 31, 2014 Arsenic Rule
Jan 1, 2014 Mar 31, 2014 Arsenic MCL Yes No .0135 MG/L 0.010 mg/L .01 Resolved Mar 31, 2014 Arsenic 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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