ELKHORN RANCH

Arizona - Transient Non-Community - PWSID: AZ0420474

System Information

PWSIDAZ0420474
System NameELKHORN RANCH
System TypeTransient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypeMixed
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedOct 5, 1979
Last ReportedMar 12, 2026

Location & Contact

StateArizona
CityTUCSON
ZIP Code85736
AddressATTN THOMAS MILLER
OrganizationELKHORN RANCH
Phone520-471-2803

Population & Service

Population Served40
Service Connections30

Drinking Water Violations (18)

This water system has 18 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
Dec 1, 2025 - RPT No No - - - Unaddressed - -
Nov 1, 2025 - RPT No No - - - Unaddressed - -
Apr 1, 2023 - RPT No No - - - Resolved May 30, 2023 -
Apr 1, 2023 - RPT No No - - - Resolved May 30, 2023 -
Mar 1, 2023 - RPT No No - - - Resolved Apr 25, 2023 -
Mar 1, 2023 - RPT No No - - - Resolved Apr 25, 2023 -
Jan 1, 2021 - RPT No No - - - Resolved Feb 20, 2021 -
Jan 1, 2021 - RPT No No - - - Resolved Feb 20, 2021 -
Apr 1, 2017 - RPT No No - - - Resolved May 24, 2017 -
Feb 1, 2013 Feb 28, 2013 MR No No - 5% of samples - Resolved Feb 28, 2013 -
Feb 1, 2013 Feb 28, 2013 MR No No - 5% of samples - Resolved Feb 28, 2013 -
Apr 1, 2012 Apr 30, 2012 MR No No - 5% of samples - Resolved Apr 30, 2012 -
Apr 1, 2012 Apr 30, 2012 MR No No - 5% of samples - Resolved Apr 30, 2012 -
Apr 1, 2007 Apr 30, 2007 MR No No - 5% of samples - Resolved Apr 30, 2007 -
Jan 1, 2006 Jan 31, 2006 MR No No - 5% of samples - Resolved Jan 31, 2006 -
Apr 1, 2004 Apr 30, 2004 MR No No - 5% of samples - Resolved Apr 30, 2004 -
Nov 1, 1999 Nov 30, 1999 MR No No - 5% of samples - Resolved Nov 30, 1999 -
Jan 1, 1998 Dec 31, 1998 MR No Yes - 10 mg/L - Resolved Dec 31, 1998 -

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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