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Cocopah Casino

Arizona — Non-Transient Non-Community — PWSID: 090400673

System Information

PWSID090400673
System NameCocopah Casino
System TypeNon-Transient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypeNative American
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedJun 19, 2004
Last ReportedDec 31, 2025

Location & Contact

StateArizona
CitySomerton
ZIP Code85350
Address14515 So. Veterans Dr.
OrganizationCocopah Indian Tribe
Phone9286272102

Population & Service

Population Served5,300
Service Connections5

Drinking Water Violations (109)

This water system has 109 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
May 1, 2025 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 23, 2025 Revised Total Coliform Rule
May 1, 2025 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 23, 2025 Revised Total Coliform Rule
May 1, 2025 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 23, 2025 Revised Total Coliform Rule
Apr 30, 2022 — Groundwater Rule TT Yes No — — — Resolved Dec 16, 2022 Ground Water Rule
Oct 1, 2016 Dec 31, 2016 TTHM MCL Yes No .0852 MG/L 0.080 mg/L — Resolved Dec 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 TTHM MCL Yes No .0884 MG/L 0.080 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2016 Jun 30, 2016 TTHM MCL Yes No .115 MG/L 0.080 mg/L — Resolved Jun 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2016 — Public Notice Other No No — — — Resolved Jun 29, 2016 Public Notice Rule and Revised PN Rule
Jan 1, 2016 Mar 31, 2016 TTHM MCL Yes No .096 MG/L 0.080 mg/L — Resolved Mar 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Sep 30, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Sep 30, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2013 Nov 30, 2013 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2013 Total Coliform Rule
Oct 1, 2013 Dec 31, 2013 TTHM MCL Yes No .09975 MG/L 0.080 mg/L — Resolved Dec 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2013 — Public Notice Other No No — — — Resolved Jan 28, 2014 Public Notice Rule and Revised PN Rule
Sep 1, 2013 Sep 30, 2013 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2013 Total Coliform Rule
Jul 1, 2013 Sep 30, 2013 TTHM MCL Yes No .10933 MG/L 0.080 mg/L — Resolved Sep 30, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2013 Jun 30, 2013 TTHM MCL Yes No .13 MG/L 0.080 mg/L — Resolved Jun 30, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2013 — Public Notice Other No No — — — Resolved Jan 6, 2014 Public Notice Rule and Revised PN Rule
Jan 1, 2013 Mar 31, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2013 Mar 31, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Dec 31, 2013 CYANIDE MR No Yes — 0.2 mg/L — Resolved Dec 31, 2013 Inorganic Chemicals
Jan 1, 2011 — Lead and Copper Rule MR No No — TT — Resolved Feb 20, 2014 Lead and Copper Rule
Mar 1, 2009 Mar 31, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Mar 31, 2009 Total Coliform Rule
Jan 1, 2009 Dec 31, 2009 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2009 Dec 31, 2009 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2009 Dec 31, 2009 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2009 Nitrate Rule
Mar 1, 2008 Mar 31, 2008 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2008 Total Coliform Rule
Jan 1, 2008 Dec 31, 2010 Thallium, Total MR No Yes — 0.002 mg/L — Resolved Dec 31, 2010 Inorganic Chemicals
Jan 1, 2008 Dec 31, 2010 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 31, 2010 Arsenic Rule
Jan 1, 2008 Dec 31, 2010 Barium MR No Yes — 2 mg/L — Resolved Dec 31, 2010 Inorganic Chemicals
Jan 1, 2008 Dec 31, 2010 CYANIDE MR No Yes — 0.2 mg/L — Resolved Dec 31, 2010 Inorganic Chemicals
Jan 1, 2008 Dec 31, 2010 Chromium MR No Yes — 0.1 mg/L — Resolved Dec 31, 2010 Inorganic Chemicals
Jan 1, 2008 Dec 31, 2010 Mercury MR No Yes — 0.002 mg/L — Resolved Dec 31, 2010 Inorganic Chemicals
Jan 1, 2008 Dec 31, 2010 Fluoride MR No Yes — 4.0 mg/L — Resolved Dec 31, 2010 Inorganic Chemicals
Jan 1, 2008 Dec 31, 2010 Beryllium, Total MR No Yes — 0.004 mg/L — Resolved Dec 31, 2010 Inorganic Chemicals
Jan 1, 2008 Dec 31, 2010 Antimony, Total MR No Yes — 0.006 mg/L — Resolved Dec 31, 2010 Inorganic Chemicals
Jan 1, 2008 Dec 31, 2010 Cadmium MR No Yes — 0.005 mg/L — Resolved Dec 31, 2010 Inorganic Chemicals
Jan 1, 2008 Dec 31, 2010 Selenium MR No Yes — 0.05 mg/L — Resolved Dec 31, 2010 Inorganic Chemicals
Jun 1, 2007 Jun 30, 2007 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2007 Total Coliform Rule
Apr 1, 2007 Apr 30, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2007 Total Coliform Rule
Nov 1, 2006 Nov 30, 2006 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 2006 Total Coliform Rule
Oct 1, 2006 Oct 31, 2006 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2006 Total Coliform Rule
Aug 1, 2006 Aug 31, 2006 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2006 Total Coliform Rule
Jul 1, 2006 Jul 31, 2006 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2006 Total Coliform Rule
Jun 1, 2006 Jun 30, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2006 Total Coliform Rule
May 1, 2006 May 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved May 31, 2006 Total Coliform Rule
Apr 1, 2006 Apr 30, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2006 Total Coliform Rule
Apr 1, 2006 Apr 30, 2006 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Apr 30, 2006 Total Coliform Rule
Jan 1, 2006 Jan 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2006 Total Coliform Rule
Dec 1, 2005 Dec 31, 2005 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2005 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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