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AWC - CASA GRANDE SOUTH WATER COMPANY

Arizona — Community Water System — PWSID: AZ0411061

System Information

PWSIDAZ0411061
System NameAWC - CASA GRANDE SOUTH WATER COMPANY
System TypeCommunity Water System
Water SourceGround Water Purchased
Activity StatusActive
Owner TypePrivate
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedOct 5, 1979
Last ReportedNov 17, 2025

Location & Contact

StateArizona
CityPHOENIX
ZIP Code85015-5351
Address3805 N. Black Canyon Hwy
OrganizationDUNAWAY, DAVID
Phone602-294-2151

Population & Service

Population Served176
Service Connections68

Drinking Water Violations (94)

This water system has 94 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 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Resolved Nov 7, 2024 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Resolved Nov 7, 2024 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Resolved Nov 7, 2024 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Resolved Nov 7, 2024 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Resolved Nov 7, 2024 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Resolved Nov 7, 2024 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Resolved Nov 7, 2024 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Resolved Nov 7, 2024 Lead and Copper Rule Revisions
Apr 1, 2021 Jun 30, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2021 Jun 30, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 10, 2020 — Lead and Copper Rule MR No No — TT — Resolved Dec 29, 2020 Lead and Copper Rule
Dec 10, 2020 — Lead and Copper Rule MR No No — TT — Resolved Dec 29, 2020 Lead and Copper Rule
Nov 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Dec 21, 2020 Revised Total Coliform Rule
Nov 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Dec 21, 2020 Revised Total Coliform Rule
Jul 1, 2020 Sep 30, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2019 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 20, 2019 Revised Total Coliform Rule
Jul 1, 2019 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 20, 2019 Revised Total Coliform Rule
Jan 1, 2019 Mar 31, 2019 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 3, 2017 — Lead and Copper Rule MR No No — TT — Resolved Jun 20, 2018 Lead and Copper Rule
Nov 3, 2017 — Lead and Copper Rule MR No No — TT — Resolved Jun 20, 2018 Lead and Copper Rule
Nov 3, 2017 — Lead and Copper Rule MR No No — TT — Resolved Jun 20, 2018 Lead and Copper Rule
Oct 1, 2017 — Lead and Copper Rule MR No No — TT — Resolved Nov 2, 2017 Lead and Copper Rule
Oct 1, 2017 Dec 31, 2017 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017 Dec 31, 2017 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017 — Lead and Copper Rule MR No No — TT — Resolved Nov 2, 2017 Lead and Copper Rule
Apr 1, 2017 Jun 30, 2017 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2017 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 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
Jan 1, 2016 Mar 31, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2015 Dec 31, 2015 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 — Consumer Confidence Rule Other No No — — — Resolved Jul 27, 2015 Consumer Confidence Rule
Oct 1, 2014 — Lead and Copper Rule MR No No — TT — Resolved Jan 26, 2015 Lead and Copper Rule
Oct 1, 2014 — Lead and Copper Rule MR No No — TT — Resolved Jan 26, 2015 Lead and Copper Rule
Oct 1, 2014 Dec 31, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2014 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
Jul 1, 2013 Sep 30, 2013 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2013 Apr 30, 2013 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2013 Total Coliform Rule
Apr 1, 2013 Apr 30, 2013 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2013 Total Coliform Rule
Jan 1, 2013 Mar 31, 2013 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Dec 31, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Dec 31, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2012 — Consumer Confidence Rule Other No No — — — Resolved Jul 16, 2012 Consumer Confidence Rule
Jan 1, 2012 Mar 31, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts 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
Dec 1, 2010 Dec 31, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2010 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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