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DELANO, CITY OF

California — Community Water System — PWSID: CA1510005

System Information

PWSIDCA1510005
System NameDELANO, CITY OF
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
CityDELANO
ZIP Code93215
Address725 SOUTH LEXINGTON STREET
OrganizationNUNEZ, PEDRO
Phone661-720-5404

Population & Service

Population Served51,428
Service Connections10,295

Drinking Water Violations (76)

This water system has 76 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, 2012 Dec 31, 2012 Arsenic MCL Yes No .032 MG/L 0.010 mg/L .01 Resolved Dec 31, 2012 Arsenic Rule
Oct 1, 2012 Dec 31, 2012 Arsenic MCL Yes No .032 MG/L 0.010 mg/L .01 Resolved Dec 31, 2012 Arsenic Rule
Jul 1, 2012 Sep 30, 2012 Arsenic MCL Yes No .0318 MG/L 0.010 mg/L .01 Resolved Sep 30, 2012 Arsenic Rule
Jul 1, 2012 Sep 30, 2012 Arsenic MCL Yes No .0318 MG/L 0.010 mg/L .01 Resolved Sep 30, 2012 Arsenic Rule
Apr 1, 2012 Jun 30, 2012 Arsenic MCL Yes No .0303 MG/L 0.010 mg/L .01 Resolved Jun 30, 2012 Arsenic Rule
Apr 1, 2012 Jun 30, 2012 Arsenic MCL Yes No .0303 MG/L 0.010 mg/L .01 Resolved Jun 30, 2012 Arsenic Rule
Jan 1, 2012 Mar 31, 2012 Arsenic MCL Yes No .0298 MG/L 0.010 mg/L .01 Resolved Mar 31, 2012 Arsenic Rule
Jan 1, 2012 Mar 31, 2012 Arsenic MCL Yes No .0298 MG/L 0.010 mg/L .01 Resolved Mar 31, 2012 Arsenic Rule
Oct 1, 2011 Dec 31, 2011 Arsenic MCL Yes No .0313 MG/L 0.010 mg/L .01 Resolved Dec 31, 2011 Arsenic Rule
Oct 1, 2011 Dec 31, 2011 Arsenic MCL Yes No .0313 MG/L 0.010 mg/L .01 Resolved Dec 31, 2011 Arsenic Rule
Jul 1, 2011 Sep 30, 2011 Arsenic MCL Yes No .0315 MG/L 0.010 mg/L .01 Resolved Sep 30, 2011 Arsenic Rule
Jul 1, 2011 Sep 30, 2011 Arsenic MCL Yes No .0315 MG/L 0.010 mg/L .01 Resolved Sep 30, 2011 Arsenic Rule
Apr 1, 2011 Jun 30, 2011 Arsenic MCL Yes No .032 MG/L 0.010 mg/L .01 Resolved Jun 30, 2011 Arsenic Rule
Apr 1, 2011 Jun 30, 2011 Arsenic MCL Yes No .032 MG/L 0.010 mg/L .01 Resolved Jun 30, 2011 Arsenic Rule
Jan 1, 2011 Mar 31, 2011 Arsenic MCL Yes No .0328 MG/L 0.010 mg/L .01 Resolved Mar 31, 2011 Arsenic Rule
Jan 1, 2011 Mar 31, 2011 Arsenic MCL Yes No .0328 MG/L 0.010 mg/L .01 Resolved Mar 31, 2011 Arsenic Rule
Oct 1, 2010 Dec 31, 2010 Arsenic MCL Yes No .0315 MG/L 0.010 mg/L .01 Resolved Dec 31, 2010 Arsenic Rule
Oct 1, 2010 Dec 31, 2010 Arsenic MCL Yes No .0315 MG/L 0.010 mg/L .01 Resolved Dec 31, 2010 Arsenic Rule
Jul 1, 2010 Sep 30, 2010 Arsenic MCL Yes No .0323 MG/L 0.010 mg/L .01 Resolved Sep 30, 2010 Arsenic Rule
Jul 1, 2010 Sep 30, 2010 Arsenic MCL Yes No .0323 MG/L 0.010 mg/L .01 Resolved Sep 30, 2010 Arsenic Rule
Apr 1, 2010 Jun 30, 2010 Arsenic MCL Yes No .033 MG/L 0.010 mg/L .01 Resolved Jun 30, 2010 Arsenic Rule
Apr 1, 2010 Jun 30, 2010 Arsenic MCL Yes No .033 MG/L 0.010 mg/L .01 Resolved Jun 30, 2010 Arsenic Rule
Jan 1, 2010 Mar 31, 2010 Arsenic MCL Yes No .0318 MG/L 0.010 mg/L .01 Resolved Mar 31, 2010 Arsenic Rule
Jan 1, 2010 — Lead and Copper Rule MR No No — TT — Resolved Jul 13, 2011 Lead and Copper Rule
Jan 1, 2010 — Lead and Copper Rule MR No No — TT — Resolved Jul 13, 2011 Lead and Copper Rule
Jan 1, 2010 Mar 31, 2010 Arsenic MCL Yes No .0318 MG/L 0.010 mg/L .01 Resolved Mar 31, 2010 Arsenic Rule
Oct 1, 2009 Dec 31, 2009 Arsenic MCL Yes No .0338 MG/L 0.010 mg/L .01 Resolved Dec 31, 2009 Arsenic Rule
Oct 1, 2009 Dec 31, 2009 Arsenic MCL Yes No .0338 MG/L 0.010 mg/L .01 Resolved Dec 31, 2009 Arsenic Rule
Jul 1, 2009 Sep 30, 2009 Arsenic MCL Yes No .0359 MG/L 0.010 mg/L .01 Resolved Sep 30, 2009 Arsenic Rule
Jul 1, 2009 Sep 30, 2009 Arsenic MCL Yes No .0359 MG/L 0.010 mg/L .01 Resolved Sep 30, 2009 Arsenic Rule
Apr 1, 2009 Jun 30, 2009 Arsenic MCL Yes No .0334 MG/L 0.010 mg/L .01 Resolved Jun 30, 2009 Arsenic Rule
Apr 1, 2009 Jun 30, 2009 Arsenic MCL Yes No .0334 MG/L 0.010 mg/L .01 Resolved Jun 30, 2009 Arsenic Rule
Jan 1, 2009 Mar 31, 2009 Arsenic MCL Yes No .0323 MG/L 0.010 mg/L .01 Resolved Mar 31, 2009 Arsenic Rule
Jan 1, 2009 Mar 31, 2009 Arsenic MCL Yes No .0323 MG/L 0.010 mg/L .01 Resolved Mar 31, 2009 Arsenic Rule
Oct 1, 2008 Dec 31, 2008 Arsenic MCL Yes No .0315 MG/L 0.010 mg/L .01 Resolved Dec 31, 2008 Arsenic Rule
Oct 1, 2008 Dec 31, 2008 Arsenic MCL Yes No .0315 MG/L 0.010 mg/L .01 Resolved Dec 31, 2008 Arsenic Rule
Jul 1, 2008 Sep 30, 2008 Arsenic MCL Yes No .0323 MG/L 0.010 mg/L .01 Resolved Sep 30, 2008 Arsenic Rule
Apr 1, 2008 Jun 30, 2008 Arsenic MCL Yes No .0253 MG/L 0.010 mg/L .01 Resolved Jun 30, 2008 Arsenic Rule
Apr 1, 2008 Jun 30, 2008 Arsenic MCL Yes No .0253 MG/L 0.010 mg/L .01 Resolved Jun 30, 2008 Arsenic Rule
Jan 1, 2008 Mar 31, 2008 Arsenic MCL Yes No .0229 MG/L 0.010 mg/L .01 Resolved Mar 31, 2008 Arsenic Rule
Jan 1, 2008 Mar 31, 2008 Arsenic MCL Yes No .0229 MG/L 0.010 mg/L .01 Resolved Mar 31, 2008 Arsenic Rule
Oct 1, 2007 Dec 31, 2007 Arsenic MCL Yes No .033 MG/L 0.010 mg/L .01 Resolved Dec 31, 2007 Arsenic Rule
Oct 1, 2007 Dec 31, 2007 Arsenic MCL Yes No .033 MG/L 0.010 mg/L .01 Resolved Dec 31, 2007 Arsenic Rule
Jul 1, 2007 Sep 30, 2007 Arsenic MCL Yes No .0338 MG/L 0.010 mg/L .01 Resolved Sep 30, 2007 Arsenic Rule
Jul 1, 2007 Sep 30, 2007 Arsenic MCL Yes No .0338 MG/L 0.010 mg/L .01 Resolved Sep 30, 2007 Arsenic Rule
Apr 1, 2007 Jun 30, 2007 Arsenic MCL Yes No .0349 MG/L 0.010 mg/L .01 Resolved Jun 30, 2007 Arsenic Rule
Apr 1, 2007 Jun 30, 2007 Arsenic MCL Yes No .0349 MG/L 0.010 mg/L .01 Resolved Jun 30, 2007 Arsenic Rule
Jan 1, 2007 — Lead and Copper Rule MR No No — TT — Resolved Aug 29, 2007 Lead and Copper Rule
Jan 1, 2007 — Lead and Copper Rule MR No No — TT — Resolved Aug 29, 2007 Lead and Copper Rule
Jan 1, 2007 Mar 31, 2007 Arsenic MCL Yes No .0346 MG/L 0.010 mg/L .01 Resolved Mar 31, 2007 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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