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WHETSTONE DWID

Arizona — Community Water System — PWSID: AZ0402038

System Information

PWSIDAZ0402038
System NameWHETSTONE DWID
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeMixed
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedMar 24, 1980
Last ReportedNov 17, 2025

Location & Contact

StateArizona
CityHUACHUCA CITY
ZIP Code85616
AddressATT. Steve Usrey
OrganizationWHETSTONE WATER DISTRICT
Phone520-255-9348

Population & Service

Population Served940
Service Connections370

Drinking Water Violations (102)

This water system has 102 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, 2022 — Lead and Copper Rule MR No No — TT — Resolved Jan 25, 2022 Lead and Copper Rule
Jan 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Jan 25, 2022 Lead and Copper Rule
Jul 1, 2021 Sep 30, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 Sep 30, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Jan 31, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2020 Revised Total Coliform Rule
Jan 1, 2020 Jan 31, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2020 Revised Total Coliform Rule
Jan 1, 2020 Jan 31, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2020 Revised Total Coliform Rule
Jul 1, 2017 — Consumer Confidence Rule Other No No — — — Resolved Jul 20, 2017 Consumer Confidence 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
Oct 1, 2016 — Consumer Confidence Rule Other No No — — — Resolved Mar 1, 2017 Consumer Confidence Rule
Oct 1, 2016 — Consumer Confidence Rule Other No No — — — Resolved Mar 1, 2017 Consumer Confidence Rule
Jul 1, 2016 — Consumer Confidence Rule Other No No — — — Resolved Mar 1, 2017 Consumer Confidence Rule
Jul 1, 2016 — Consumer Confidence Rule Other No No — — — Resolved Mar 1, 2017 Consumer Confidence 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
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
Oct 1, 2011 — Lead and Copper Rule MR No No — TT — Resolved Nov 5, 2012 Lead and Copper Rule
Jan 1, 2011 Dec 31, 2011 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Mar 31, 2011 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Dec 31, 2011 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2010 Dec 31, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2010 Total Coliform Rule
Dec 1, 2010 Dec 31, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2010 Total Coliform Rule
Jan 1, 2010 Dec 31, 2010 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2010 Dec 31, 2010 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2008 Dec 31, 2008 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2008 Total Coliform Rule
Dec 1, 2008 Dec 31, 2008 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2008 Total Coliform Rule
Oct 1, 2008 Dec 31, 2008 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2008 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2008 — Consumer Confidence Rule Other No No — — — Resolved Jul 23, 2008 Consumer Confidence Rule
Jul 1, 2007 — Consumer Confidence Rule Other No No — — — Resolved Jul 23, 2008 Consumer Confidence 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 — Consumer Confidence Rule Other No No — — — Resolved Jul 12, 2006 Consumer Confidence 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
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
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 Dec 31, 2004 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 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
Jan 1, 2004 Dec 31, 2004 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2003 — Lead and Copper Rule MR No No — TT — Resolved Sep 25, 2008 Lead and Copper Rule
Sep 1, 2003 Sep 30, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2003 Total Coliform Rule
Mar 1, 2002 Mar 31, 2002 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2002 Total Coliform Rule
Mar 1, 2002 Mar 31, 2002 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Mar 31, 2002 Total Coliform Rule
Apr 1, 2001 Jun 30, 2001 Mercury MR No Yes — 0.002 mg/L — Resolved Jun 30, 2001 Inorganic Chemicals
Jan 1, 2001 Mar 31, 2001 Mercury MR No Yes — 0.002 mg/L — Resolved Mar 31, 2001 Inorganic Chemicals
Oct 1, 2000 Dec 31, 2000 Mercury MR No Yes — 0.002 mg/L — Resolved Dec 31, 2000 Inorganic Chemicals
Jul 1, 2000 Sep 30, 2000 Mercury MR No Yes — 0.002 mg/L — Resolved Sep 30, 2000 Inorganic 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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