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EPCOR - CHAPARRAL CITY

Arizona — Community Water System — PWSID: AZ0407017

System Information

PWSIDAZ0407017
System NameEPCOR - CHAPARRAL CITY
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypePrivate
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 Served26,026
Service Connections13,438

Drinking Water Violations (487)

This water system has 487 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
Aug 1, 2024 Aug 31, 2024 Surface Water Treatment Rule MR No No — — — Resolved Aug 31, 2024 Surface Water Treatment Rule
Aug 1, 2024 Aug 31, 2024 Surface Water Treatment Rule MR No No — — — Resolved Aug 31, 2024 Surface Water Treatment Rule
Jul 1, 2023 Sep 30, 2023 2,4-D MR No Yes — 0.07 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 2,4-D MR No Yes — 0.07 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Apr 1, 2023 Jun 30, 2023 Arsenic MR No Yes — 0.010 mg/L — Resolved Jun 30, 2023 Arsenic Rule
Apr 1, 2023 Jun 30, 2023 Arsenic MR No Yes — 0.010 mg/L — Resolved Jun 30, 2023 Arsenic Rule
Jan 1, 2019 Dec 31, 2019 Arsenic MCL Yes No 13 UG/L 0.010 mg/L — Resolved Dec 31, 2019 Arsenic Rule
Jan 1, 2019 Dec 31, 2019 Arsenic MCL Yes No 13 UG/L 0.010 mg/L — Resolved Dec 31, 2019 Arsenic Rule
Jan 1, 2019 Dec 31, 2019 Arsenic MCL Yes No 13 UG/L 0.010 mg/L — Resolved Dec 31, 2019 Arsenic Rule
Jan 1, 2019 Mar 31, 2019 CARBON, TOTAL MR No Yes — TT — Archived Mar 31, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Dec 31, 2019 Fluoride MR No Yes — 4.0 mg/L — Resolved Dec 31, 2019 Inorganic Chemicals
Jan 1, 2019 Dec 31, 2019 Fluoride MR No Yes — 4.0 mg/L — Resolved Dec 31, 2019 Inorganic Chemicals
Jan 1, 2019 Dec 31, 2019 Fluoride MR No Yes — 4.0 mg/L — Resolved Dec 31, 2019 Inorganic Chemicals
Apr 1, 2018 Apr 30, 2018 Turbidity MR No Yes — TT — Resolved Apr 30, 2018 Long Term 2 Enhanced Surface Water Treatment Rule
Apr 1, 2018 Apr 30, 2018 Cryptosporidium MR No Yes — — — Resolved Apr 30, 2018 Long Term 2 Enhanced Surface Water Treatment Rule
Apr 1, 2018 Apr 30, 2018 Cryptosporidium MR No Yes — — — Resolved Apr 30, 2018 Long Term 2 Enhanced Surface Water Treatment Rule
Apr 1, 2018 Apr 30, 2018 Turbidity MR No Yes — TT — Resolved Apr 30, 2018 Long Term 2 Enhanced Surface Water Treatment Rule
Apr 1, 2018 Apr 30, 2018 E. COLI MR No Yes — — — Resolved Apr 30, 2018 Long Term 2 Enhanced Surface Water Treatment Rule
Apr 1, 2018 Apr 30, 2018 E. COLI MR No Yes — — — Resolved Apr 30, 2018 Long Term 2 Enhanced Surface Water Treatment Rule
Jan 1, 2018 Dec 31, 2018 Fluoride MR No Yes — 4.0 mg/L — Resolved Dec 31, 2018 Inorganic Chemicals
Jan 1, 2018 Dec 31, 2018 Fluoride MR No Yes — 4.0 mg/L — Resolved Dec 31, 2018 Inorganic Chemicals
Jan 1, 2018 Dec 31, 2018 Fluoride MR No Yes — 4.0 mg/L — Resolved Dec 31, 2018 Inorganic Chemicals
Jan 1, 2018 Dec 31, 2018 Antimony, Total MR No Yes — 0.006 mg/L — Resolved Dec 31, 2018 Inorganic Chemicals
Jan 1, 2018 Dec 31, 2018 Antimony, Total MR No Yes — 0.006 mg/L — Resolved Dec 31, 2018 Inorganic Chemicals
Jan 1, 2018 Dec 31, 2018 Antimony, Total MR No Yes — 0.006 mg/L — Resolved Dec 31, 2018 Inorganic Chemicals
Jan 1, 2018 Dec 31, 2018 Antimony, Total MR No Yes — 0.006 mg/L — Resolved Dec 31, 2018 Inorganic Chemicals
Jan 1, 2018 Dec 31, 2018 Antimony, Total MR No Yes — 0.006 mg/L — Resolved Dec 31, 2018 Inorganic Chemicals
Jan 1, 2018 Dec 31, 2018 Antimony, Total MR No Yes — 0.006 mg/L — Resolved Dec 31, 2018 Inorganic Chemicals
Jan 1, 2016 Dec 31, 2016 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2016 Nitrate Rule
Apr 1, 2012 Jun 30, 2012 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Jun 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2011 — Consumer Confidence Rule Other No No — — — Resolved Jul 12, 2012 Consumer Confidence Rule
Jul 1, 2011 — Consumer Confidence Rule Other No No — — — Resolved Jun 30, 2012 Consumer Confidence Rule
Jun 1, 2011 Jun 30, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2011 Total Coliform Rule
Jun 1, 2011 Jun 30, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2011 Total Coliform Rule
Oct 1, 2010 — Consumer Confidence Rule Other No No — — — Resolved Dec 31, 2010 Consumer Confidence Rule
Jul 1, 2010 — Consumer Confidence Rule Other No No — — — Resolved Dec 31, 2010 Consumer Confidence Rule
Jan 1, 2009 Dec 31, 2011 Thallium, Total MR No Yes — 0.002 mg/L — Resolved Dec 31, 2011 Inorganic Chemicals
Jan 1, 2009 Dec 31, 2011 Chromium MR No Yes — 0.1 mg/L — Resolved Dec 31, 2011 Inorganic Chemicals
Jan 1, 2009 Dec 31, 2011 Antimony, Total MR No Yes — 0.006 mg/L — Resolved Dec 31, 2011 Inorganic Chemicals
Jan 1, 2009 Dec 31, 2011 Cadmium MR No Yes — 0.005 mg/L — Resolved Dec 31, 2011 Inorganic Chemicals
Jan 1, 2009 Dec 31, 2011 Chromium MR No Yes — 0.1 mg/L — Resolved Dec 31, 2011 Inorganic Chemicals
Jan 1, 2009 Dec 31, 2011 Selenium MR No Yes — 0.05 mg/L — Resolved Dec 31, 2011 Inorganic Chemicals
Jan 1, 2009 Dec 31, 2011 Mercury MR No Yes — 0.002 mg/L — Resolved Dec 31, 2011 Inorganic Chemicals
Jan 1, 2009 Dec 31, 2011 Thallium, Total MR No Yes — 0.002 mg/L — Resolved Dec 31, 2011 Inorganic Chemicals
Jan 1, 2009 Dec 31, 2011 Cadmium MR No Yes — 0.005 mg/L — Resolved Dec 31, 2011 Inorganic Chemicals
Jan 1, 2009 Dec 31, 2011 Beryllium, Total MR No Yes — 0.004 mg/L — Resolved Dec 31, 2011 Inorganic Chemicals
Jan 1, 2009 Dec 31, 2011 Selenium MR No Yes — 0.05 mg/L — Resolved Dec 31, 2011 Inorganic Chemicals
Jan 1, 2009 Dec 31, 2011 Beryllium, Total MR No Yes — 0.004 mg/L — Resolved Dec 31, 2011 Inorganic Chemicals
Jan 1, 2009 Dec 31, 2011 Barium MR No Yes — 2 mg/L — Resolved Dec 31, 2011 Inorganic Chemicals
Jan 1, 2009 Dec 31, 2011 Mercury MR No Yes — 0.002 mg/L — Resolved Dec 31, 2011 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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