WELLS FARGO WATER COMPANY

Arizona — Community Water System — PWSID: AZ0410269

System Information

PWSIDAZ0410269
System NameWELLS FARGO WATER COMPANY
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeMixed
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedFeb 18, 1992
Last ReportedNov 17, 2025

Location & Contact

StateArizona
CityTUCSON
ZIP Code85754
AddressATTN SW UTILTIY MGMT - COMPLIANCE
OrganizationWELLS FARGO WATER CO INC
Phone520-601-0323

Population & Service

Population Served83
Service Connections34

Drinking Water Violations (72)

This water system has 72 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
Jul 1, 2021 Consumer Confidence Rule Other No No Resolved Jul 10, 2021 Consumer Confidence Rule
Jul 1, 2021 Consumer Confidence Rule Other No No Resolved Jul 10, 2021 Consumer Confidence Rule
Oct 1, 2017 Consumer Confidence Rule Other No No Resolved Nov 17, 2017 Consumer Confidence Rule
Jul 1, 2017 Consumer Confidence Rule Other No No Resolved Nov 17, 2017 Consumer Confidence Rule
Oct 1, 2015 Consumer Confidence Rule Other No No Resolved Oct 14, 2016 Consumer Confidence Rule
Oct 1, 2015 Consumer Confidence Rule Other No No Resolved Oct 14, 2016 Consumer Confidence Rule
Jul 1, 2015 Consumer Confidence Rule Other No No Resolved Oct 14, 2016 Consumer Confidence Rule
Jul 1, 2015 Consumer Confidence Rule Other No No Resolved Oct 14, 2016 Consumer Confidence Rule
Mar 1, 2015 Mar 31, 2015 Coliform (TCR) MR No No 5% of samples Resolved Mar 31, 2015 Total Coliform Rule
Mar 1, 2015 Mar 31, 2015 Coliform (TCR) MR No No 5% of samples Resolved Mar 31, 2015 Total Coliform Rule
Sep 1, 2014 Sep 30, 2014 Coliform (TCR) MR No No 5% of samples Resolved Sep 30, 2014 Total Coliform Rule
Sep 1, 2014 Sep 30, 2014 Coliform (TCR) MR No No 5% of samples Resolved Sep 30, 2014 Total Coliform Rule
Jul 1, 2014 Consumer Confidence Rule Other No No Resolved Aug 18, 2014 Consumer Confidence Rule
Oct 1, 2013 Consumer Confidence Rule Other No No Resolved Apr 14, 2014 Consumer Confidence Rule
Oct 1, 2013 Consumer Confidence Rule Other No No Resolved Apr 14, 2014 Consumer Confidence Rule
Jul 1, 2013 Consumer Confidence Rule Other No No Resolved Aug 18, 2014 Consumer Confidence Rule
Oct 1, 2012 Consumer Confidence Rule Other No No Resolved Apr 14, 2014 Consumer Confidence Rule
Jul 1, 2012 Consumer Confidence Rule Other No No Resolved Aug 18, 2014 Consumer Confidence Rule
Oct 1, 2011 Consumer Confidence Rule Other No No Resolved Apr 14, 2014 Consumer Confidence Rule
Jul 1, 2011 Consumer Confidence Rule Other No No Resolved Aug 18, 2014 Consumer Confidence Rule
Oct 1, 2010 Consumer Confidence Rule Other No No Resolved Apr 14, 2014 Consumer Confidence Rule
Aug 1, 2010 Aug 31, 2010 Coliform (TCR) MR No No 5% of samples Resolved Aug 31, 2010 Total Coliform Rule
Aug 1, 2010 Aug 31, 2010 Coliform (TCR) MR No No 5% of samples Resolved Aug 31, 2010 Total Coliform Rule
Jul 1, 2010 Consumer Confidence Rule Other No No Resolved Aug 18, 2014 Consumer Confidence Rule
Jul 1, 2009 Consumer Confidence Rule Other No No Resolved Aug 18, 2014 Consumer Confidence Rule
Jun 1, 2009 Jun 30, 2009 Coliform (TCR) MR No No 5% of samples Resolved Jun 30, 2009 Total Coliform Rule
Jun 1, 2009 Jun 30, 2009 Coliform (TCR) MR No No 5% of samples Resolved Jun 30, 2009 Total Coliform Rule
Mar 1, 2009 Mar 31, 2009 Coliform (TCR) MR No No 5% of samples Resolved Mar 31, 2009 Total Coliform Rule
Mar 1, 2009 Mar 31, 2009 Coliform (TCR) MR No No 5% of samples Resolved Mar 31, 2009 Total Coliform Rule
Feb 1, 2009 Feb 28, 2009 Coliform (TCR) MR No No 5% of samples Resolved Feb 28, 2009 Total Coliform Rule
Feb 1, 2009 Feb 28, 2009 Coliform (TCR) MR No No 5% of samples Resolved Feb 28, 2009 Total Coliform Rule
Feb 1, 2009 Feb 28, 2009 Coliform (TCR) MR No No 5% of samples Resolved Feb 28, 2009 Total Coliform Rule
Jan 1, 2009 Jan 31, 2009 Coliform (TCR) MR No No 5% of samples Resolved Jan 31, 2009 Total Coliform Rule
Jan 1, 2009 Jan 31, 2009 Coliform (TCR) MR No No 5% of samples Resolved Jan 31, 2009 Total Coliform Rule
Jul 1, 2008 Consumer Confidence Rule Other No No Resolved Jul 16, 2008 Consumer Confidence Rule
Sep 1, 2007 Sep 30, 2007 Coliform (TCR) MR No No 5% of samples Resolved Sep 30, 2007 Total Coliform Rule
Aug 1, 2007 Aug 31, 2007 Coliform (TCR) MR No No 5% of samples Resolved Aug 31, 2007 Total Coliform Rule
Jul 1, 2007 Consumer Confidence Rule Other No No Resolved Jul 16, 2007 Consumer Confidence Rule
Jul 1, 2006 Consumer Confidence Rule Other No No Resolved Jul 12, 2006 Consumer Confidence Rule
Oct 1, 2005 Lead and Copper Rule MR No No TT Resolved Dec 6, 2006 Lead and Copper Rule
Jul 1, 2005 Consumer Confidence Rule Other No No Resolved Aug 25, 2005 Consumer Confidence Rule
Oct 1, 2004 Lead and Copper Rule MR No No TT Resolved Sep 1, 2006 Lead and Copper Rule
Jul 1, 2004 Consumer Confidence Rule Other No No Resolved Aug 19, 2004 Consumer Confidence Rule
Aug 1, 2003 Aug 31, 2003 Coliform (TCR) MR No No 5% of samples Resolved Aug 31, 2003 Total Coliform Rule
Jul 1, 2003 Consumer Confidence Rule Other No No Resolved Aug 2, 2003 Consumer Confidence Rule
Jul 1, 2002 Consumer Confidence Rule Other No No Unaddressed Consumer Confidence Rule
Aug 1, 2001 Aug 31, 2001 Coliform (TCR) MCL Yes No 5% of samples Resolved Aug 31, 2001 Total Coliform Rule
Jul 1, 2001 Jul 31, 2001 Coliform (TCR) MR No No 5% of samples Resolved Jul 31, 2001 Total Coliform Rule
Jan 1, 1998 Dec 31, 2000 p-Dichlorobenzene MR No Yes 0.075 mg/L Resolved Dec 31, 2000 Volatile Organic Chemicals
Jan 1, 1998 Dec 31, 2000 2,4,5-TP MR No Yes 0.05 mg/L Resolved Dec 31, 2000 Synthetic Organic Chemicals

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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