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EPCOR- RIO VERDE

Arizona — Community Water System — PWSID: AZ0407121

System Information

PWSIDAZ0407121
System NameEPCOR- RIO VERDE
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
CityEL MIRAGE
ZIP Code85335
Address—
OrganizationDIDOMIZIO, TOM
Phone623-445-2431

Population & Service

Population Served5,330
Service Connections3,046

Drinking Water Violations (126)

This water system has 126 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
Apr 1, 2025 Apr 30, 2025 Chlorine MR No Yes — 4.0 mg/L — Archived Apr 30, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Apr 30, 2025 Chlorine MR No Yes — 4.0 mg/L — Archived Apr 30, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 — Lead and Copper Rule MR No No — TT — Resolved Dec 19, 2023 Lead and Copper Rule
Jan 1, 2024 — Lead and Copper Rule MR No No — TT — Resolved Dec 19, 2023 Lead and Copper Rule
Jul 1, 2022 Jul 31, 2022 Revised Total Coliform Rule MON No No — — — Resolved Jul 31, 2022 Revised Total Coliform Rule
Jul 1, 2022 Jul 31, 2022 Revised Total Coliform Rule MON No No — — — Resolved Jul 31, 2022 Revised Total Coliform Rule
Jul 1, 2022 Jul 31, 2022 Revised Total Coliform Rule MON No No — — — Resolved Jul 31, 2022 Revised Total Coliform Rule
Oct 1, 2018 Dec 31, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2018 Dec 31, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2018 Jun 30, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Mar 31, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Mar 31, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 — Revised Total Coliform Rule RPT No No — — — Resolved Feb 14, 2018 Revised Total Coliform 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 — Revised Total Coliform Rule RPT No No — — — Resolved Nov 20, 2017 Revised Total Coliform Rule
Aug 1, 2017 Jul 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2017 Jul 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2017 Jul 31, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2017 Jul 31, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2017 Sep 30, 2017 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2017 Stage 1 Disinfectants and Disinfection Byproducts 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
Jan 1, 2017 Mar 31, 2017 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2016 — Consumer Confidence Rule Other No No — — — Resolved Mar 6, 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
Aug 1, 2016 Jul 31, 2017 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2016 Jul 31, 2017 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2016 Feb 29, 2016 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 29, 2016 Total Coliform Rule
Feb 1, 2016 Feb 29, 2016 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 29, 2016 Total Coliform Rule
Feb 1, 2016 Feb 29, 2016 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 29, 2016 Total Coliform 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 — Consumer Confidence Rule Other No No — — — Resolved Dec 4, 2015 Consumer Confidence Rule
Jul 1, 2015 — Consumer Confidence Rule Other No No — — — Resolved Dec 4, 2015 Consumer Confidence Rule
Jul 1, 2015 Sep 30, 2015 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Sep 30, 2015 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Sep 30, 2015 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2015 Jun 30, 2015 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2015 Jun 30, 2015 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2015 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
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
Jul 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Sep 30, 2014 Consumer Confidence Rule
Jul 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Sep 30, 2014 Consumer Confidence Rule
Apr 1, 2014 Jun 30, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 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
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
Jun 1, 2013 Jun 30, 2013 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2013 Total Coliform Rule
Jun 1, 2013 Jun 30, 2013 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2013 Total Coliform Rule
Feb 1, 2013 Feb 28, 2013 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 28, 2013 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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