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SAMALAYUCA IMPROVEMENT ASSOC

Arizona — Community Water System — PWSID: AZ0410101

System Information

PWSIDAZ0410101
System NameSAMALAYUCA IMPROVEMENT ASSOC
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeMixed
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedOct 5, 1979
Last ReportedNov 17, 2025

Location & Contact

StateArizona
CityTUCSON
ZIP Code85704
Address—
OrganizationO'BRIEN, KEVIN
Phone520-575-6966

Population & Service

Population Served150
Service Connections51

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, 2018 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 15, 2018 Revised Total Coliform Rule
Nov 3, 2017 — Lead and Copper Rule MR No No — TT — Resolved Jul 9, 2018 Lead and Copper Rule
Oct 1, 2016 Dec 31, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2016 Dec 31, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Aug 5, 2014 Consumer Confidence Rule
Jan 1, 2014 Mar 31, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2013 Dec 31, 2013 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2013 Jan 31, 2013 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2013 Total Coliform Rule
Jan 1, 2013 Jan 31, 2013 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2013 Total Coliform Rule
Jul 1, 2012 — Consumer Confidence Rule Other No No — — — Resolved Jul 9, 2012 Consumer Confidence Rule
Jan 1, 2012 Jan 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2012 Total Coliform Rule
Jan 1, 2012 Jan 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2012 Total Coliform Rule
Jul 1, 2011 Sep 30, 2011 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2011 — Consumer Confidence Rule Other No No — — — Resolved Aug 3, 2011 Consumer Confidence Rule
Jul 1, 2010 — Consumer Confidence Rule Other No No — — — Resolved Jul 19, 2010 Consumer Confidence Rule
Jul 1, 2009 — Consumer Confidence Rule Other No No — — — Resolved Dec 21, 2009 Consumer Confidence Rule
Jul 1, 2008 — Consumer Confidence Rule Other No No — — — Resolved Oct 10, 2008 Consumer Confidence Rule
Jan 1, 2008 Dec 31, 2008 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2008 Nitrate Rule
Jan 1, 2008 Jan 31, 2008 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2008 Total Coliform Rule
Jul 1, 2007 — Consumer Confidence Rule Other No No — — — Resolved Oct 10, 2008 Consumer Confidence Rule
Dec 1, 2006 Dec 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2006 Total Coliform Rule
Nov 1, 2006 Nov 30, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2006 Total Coliform Rule
Oct 1, 2006 — Lead and Copper Rule MR No No — TT — Resolved Sep 25, 2008 Lead and Copper Rule
Oct 1, 2006 — Lead and Copper Rule MR No No — TT — Resolved Sep 25, 2008 Lead and Copper Rule
Jul 1, 2006 Sep 30, 2006 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2006 Feb 28, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 28, 2006 Total Coliform Rule
Jan 1, 2006 Mar 31, 2006 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2005 — Lead and Copper Rule MR No No — TT — Resolved Sep 25, 2008 Lead and Copper Rule
Oct 1, 2005 Dec 31, 2005 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2005 — Lead and Copper Rule MR No No — TT — Resolved Sep 25, 2008 Lead and Copper Rule
Aug 1, 2005 Aug 31, 2005 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2005 Total Coliform Rule
Jul 1, 2005 Sep 30, 2005 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2005 Jun 30, 2005 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Mar 31, 2005 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2004 Dec 31, 2004 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2004 Dec 31, 2004 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2004 Sep 30, 2004 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2004 Sep 30, 2004 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2004 — Consumer Confidence Rule Other No No — — — Resolved Jul 1, 2005 Consumer Confidence Rule
Jun 1, 2004 Jun 30, 2004 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2004 Total Coliform Rule
Apr 1, 2004 Jun 30, 2004 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Mar 31, 2004 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Mar 31, 2004 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2003 — Consumer Confidence Rule Other No No — — — Resolved Jul 31, 2003 Consumer Confidence Rule
Jan 1, 2003 Jan 31, 2003 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jan 31, 2003 Total Coliform Rule
Jul 1, 2002 — Consumer Confidence Rule Other No No — — — Resolved Jul 31, 2003 Consumer Confidence Rule
Jan 1, 2001 Dec 31, 2001 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2001 Nitrate Rule
Aug 1, 2000 Aug 31, 2000 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2000 Total Coliform Rule
Oct 1, 1999 Oct 31, 1999 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 1999 Total Coliform 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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