ADELANTO, CITY OF

California — Community Water System — PWSID: CA3610001

System Information

PWSIDCA3610001
System NameADELANTO, CITY OF
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region09
Serves SchoolNo
WholesalerYes
First ReportedMar 22, 1979
Last ReportedMar 20, 2026

Location & Contact

StateCalifornia
CityADELANTO
ZIP Code92301
Address11600 Air Expressway
OrganizationFLORES, JESSE
Phone760-246-2300

Population & Service

Population Served39,930
Service Connections8,318

Drinking Water Violations (40)

This water system has 40 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, 2024 Dec 31, 2024 MR No Yes 10 mg/L Archived Dec 31, 2024
Jan 1, 2018 Dec 31, 2018 MR No Yes 10 mg/L Resolved Dec 31, 2018
Jan 1, 2018 Dec 31, 2018 MR No Yes 10 mg/L Resolved Dec 31, 2018
Jan 1, 2018 Dec 31, 2018 MR No Yes 10 mg/L Resolved Dec 31, 2018
Jan 1, 2018 Dec 31, 2018 MR No Yes 10 mg/L Resolved Dec 31, 2018
Jan 1, 2018 Dec 31, 2018 MR No Yes 10 mg/L Resolved Dec 31, 2018
Jan 1, 2018 Dec 31, 2018 MR No Yes 10 mg/L Resolved Dec 31, 2018
Jan 1, 2015 Dec 31, 2015 MR No No 10 mg/L Resolved Dec 31, 2015
Jan 1, 2015 Dec 31, 2015 MR No No 10 mg/L Resolved Dec 31, 2015
Jun 1, 2014 MR No Yes Resolved Jul 31, 2014
Jun 1, 2014 MR No Yes Resolved Jul 31, 2014
Jan 1, 2014 Dec 31, 2014 MR No Yes 10 mg/L Resolved Dec 31, 2014
Jan 1, 2014 Dec 31, 2014 MR No Yes 10 mg/L Resolved Dec 31, 2014
Jan 1, 2013 Dec 31, 2013 MR No Yes 10 mg/L Resolved Dec 31, 2013
Jan 1, 2013 Dec 31, 2013 MR No Yes 10 mg/L Resolved Dec 31, 2013
Sep 1, 2011 Sep 30, 2011 MR No No 5% of samples Resolved Sep 30, 2011
Apr 1, 2011 Jun 30, 2011 MCL Yes No .03 MG/L 0.010 mg/L .01 Resolved Jun 30, 2011
Apr 1, 2011 Jun 30, 2011 MCL Yes No .03 MG/L 0.010 mg/L .01 Resolved Jun 30, 2011
Jan 1, 2011 Mar 31, 2011 MCL Yes No .032 MG/L 0.010 mg/L .01 Resolved Mar 31, 2011
Jan 1, 2011 Mar 31, 2011 MCL Yes No .032 MG/L 0.010 mg/L .01 Resolved Mar 31, 2011
Oct 1, 2010 Dec 31, 2010 MCL Yes No .032 MG/L 0.010 mg/L .01 Resolved Dec 31, 2010
Oct 1, 2010 Dec 31, 2010 MCL Yes No .032 MG/L 0.010 mg/L .01 Resolved Dec 31, 2010
Jul 1, 2010 Sep 30, 2010 MCL Yes No .032 MG/L 0.010 mg/L .01 Resolved Sep 30, 2010
Jul 1, 2010 Sep 30, 2010 MCL Yes No .032 MG/L 0.010 mg/L .01 Resolved Sep 30, 2010
Apr 1, 2010 Jun 30, 2010 MCL Yes No .032 MG/L 0.010 mg/L .01 Resolved Jun 30, 2010
Apr 1, 2010 Jun 30, 2010 MCL Yes No .032 MG/L 0.010 mg/L .01 Resolved Jun 30, 2010
Jan 1, 2010 Mar 31, 2010 MCL Yes No .032 MG/L 0.010 mg/L .01 Resolved Mar 31, 2010
Jan 1, 2010 Mar 31, 2010 MCL Yes No .032 MG/L 0.010 mg/L .01 Resolved Mar 31, 2010
Oct 1, 2009 Dec 31, 2009 MCL Yes No .032 MG/L 0.010 mg/L .01 Resolved Dec 31, 2009
Oct 1, 2009 Dec 31, 2009 MCL Yes No .032 MG/L 0.010 mg/L .01 Resolved Dec 31, 2009
Jul 1, 2003 Jul 31, 2003 MCL Yes No 5% of samples Resolved Jul 31, 2003
Jul 1, 2003 Jul 31, 2003 MCL Yes No 5% of samples Resolved Jul 31, 2003
Mar 3, 1994 Apr 28, 1995 MCL Yes No 2.5 MG/L 4.0 mg/L 1.2 Archived Apr 28, 1995
Jun 30, 1993 Mar 1, 2000 MR No No TT Resolved Mar 1, 2000
Oct 1, 1992 Oct 31, 1992 MCL Yes No 5% of samples Resolved Oct 31, 1992
Oct 1, 1992 Oct 31, 1992 MCL Yes No 5% of samples Resolved Oct 31, 1992
Aug 1, 1988 Aug 31, 1988 MCL Yes No 4.0 mg/L Archived Aug 31, 1988
Jul 1, 1988 Jul 31, 1988 MCL Yes No 4.0 mg/L Archived Jul 31, 1988
No No
No No

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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