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BIOSPHERE II

Arizona — Transient Non-Community — PWSID: AZ0411405

System Information

PWSIDAZ0411405
System NameBIOSPHERE II
System TypeTransient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypeMixed
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedSep 27, 1990
Last ReportedNov 17, 2025

Location & Contact

StateArizona
CityORACLE
ZIP Code85623
Address—
OrganizationREDDIN, CLARK L
Phone520-241-3538

Population & Service

Population Served221
Service Connections65

Drinking Water Violations (95)

This water system has 95 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 31, 2023 — Public Notice Other No No — — — Resolved Nov 13, 2023 Public Notice Rule and Revised PN Rule
Aug 31, 2023 — Public Notice Other No No — — — Resolved Nov 13, 2023 Public Notice Rule and Revised PN Rule
Jul 1, 2022 Jul 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2022 Revised Total Coliform Rule
Jul 1, 2022 Jul 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2022 Revised Total Coliform Rule
Jul 1, 2022 Jul 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2022 Revised Total Coliform Rule
Jul 1, 2022 Jul 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2022 Revised Total Coliform Rule
Nov 1, 2010 Nov 30, 2010 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 2010 Total Coliform Rule
Nov 1, 2010 Nov 30, 2010 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 2010 Total Coliform Rule
Aug 1, 2005 Aug 31, 2005 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2005 Total Coliform Rule
Jan 1, 2004 Dec 31, 2004 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2004 Nitrate Rule
Jul 1, 2003 Jul 31, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2003 Total Coliform Rule
Jun 1, 2003 Jun 30, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2003 Total Coliform Rule
May 1, 2003 May 31, 2003 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 2003 Total Coliform Rule
Apr 1, 2003 Apr 30, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2003 Total Coliform Rule
Mar 1, 2003 Mar 31, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2003 Total Coliform Rule
Mar 1, 2003 Mar 31, 2003 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Mar 31, 2003 Total Coliform Rule
Sep 1, 2002 Sep 30, 2002 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2002 Total Coliform Rule
Aug 1, 2002 Aug 31, 2002 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2002 Total Coliform Rule
Aug 1, 2002 Aug 31, 2002 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2002 Total Coliform Rule
Jul 1, 2002 Jul 31, 2002 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2002 Total Coliform Rule
Jan 1, 2002 Dec 31, 2002 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2002 Volatile Organic Chemicals
Jan 1, 2002 Dec 31, 2002 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2002 Volatile Organic Chemicals
Jan 1, 2002 Dec 31, 2002 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2002 Volatile Organic Chemicals
Jan 1, 2002 Dec 31, 2002 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2002 Volatile Organic Chemicals
Jan 1, 2002 Dec 31, 2002 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2002 Volatile Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2002 Volatile Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2002 Volatile Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2002 Volatile Organic Chemicals
Jan 1, 2002 Jan 31, 2002 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2002 Total Coliform Rule
Jan 1, 2002 Dec 31, 2002 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2002 Volatile Organic Chemicals
Nov 1, 2001 Nov 30, 2001 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2001 Total Coliform Rule
Oct 1, 2001 Oct 31, 2001 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2001 Total Coliform Rule
Sep 1, 2001 Sep 30, 2001 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2001 Total Coliform Rule
Sep 1, 2001 Sep 30, 2001 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2001 Total Coliform Rule
Aug 1, 2001 Aug 31, 2001 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2001 Total Coliform Rule
Aug 1, 2001 Aug 31, 2001 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2001 Total Coliform Rule
Jan 1, 1999 Dec 31, 1999 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 1999 Nitrate Rule
Oct 1, 1998 Oct 31, 1998 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 1998 Total Coliform Rule
Sep 1, 1998 Sep 30, 1998 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 1998 Total Coliform Rule
Aug 1, 1998 Aug 31, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 1998 Total Coliform Rule
Aug 1, 1998 Aug 31, 1998 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 1998 Total Coliform Rule
Jan 1, 1998 Dec 31, 2000 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2000 Volatile Organic Chemicals
Jan 1, 1998 Dec 31, 2000 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2000 Volatile Organic Chemicals
Jan 1, 1998 Dec 31, 2000 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2000 Volatile Organic Chemicals
Jan 1, 1998 Dec 31, 2000 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2000 Volatile Organic Chemicals
Jan 1, 1998 Dec 31, 2000 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Dec 31, 2000 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 2000 Simazine MR No Yes — 0.004 mg/L — Resolved Dec 31, 2000 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 2000 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2000 Volatile Organic Chemicals
Jan 1, 1998 Dec 31, 2000 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2000 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 2000 Toxaphene MR No Yes — 0.003 mg/L — Resolved Dec 31, 2000 Synthetic Organic 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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