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CATERPILLAR INC

Arizona — Non-Transient Non-Community — PWSID: AZ0410258

System Information

PWSIDAZ0410258
System NameCATERPILLAR INC
System TypeNon-Transient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypeMixed
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedSep 16, 1991
Last ReportedNov 17, 2025

Location & Contact

StateArizona
CityGREEN VALLEY
ZIP Code85614
Address6000 W. CATERPILLAR TRAIL
OrganizationTWITCHELL, LAUREN
Phone520-648-4848

Population & Service

Population Served200
Service Connections2

Drinking Water Violations (33)

This water system has 33 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, 2014 Dec 31, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2014 Total Coliform Rule
Dec 1, 2014 Dec 31, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2014 Total Coliform Rule
Jan 1, 2004 Mar 31, 2004 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Mar 31, 2004 Volatile Organic Chemicals
Jan 1, 2004 Mar 31, 2004 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Mar 31, 2004 Volatile Organic Chemicals
Oct 1, 2003 Dec 31, 2003 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2003 Volatile Organic Chemicals
Oct 1, 2003 Dec 31, 2003 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2003 Volatile Organic Chemicals
Jul 1, 2003 Sep 30, 2003 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Sep 30, 2003 Volatile Organic Chemicals
Jul 1, 2003 Sep 30, 2003 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Sep 30, 2003 Volatile Organic Chemicals
Apr 1, 2003 Jun 30, 2003 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Jun 30, 2003 Volatile Organic Chemicals
Apr 1, 2003 Jun 30, 2003 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Jun 30, 2003 Volatile Organic Chemicals
Jan 1, 2003 Mar 31, 2003 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Mar 31, 2003 Volatile Organic Chemicals
Apr 1, 2002 Jun 30, 2002 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Jun 30, 2002 Volatile Organic Chemicals
Jan 1, 2002 Mar 31, 2002 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Mar 31, 2002 Volatile Organic Chemicals
Jan 1, 2002 Mar 31, 2002 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Mar 31, 2002 Volatile Organic Chemicals
Oct 1, 2001 Dec 31, 2001 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2001 Volatile Organic Chemicals
Jul 1, 2001 Sep 30, 2001 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Sep 30, 2001 Volatile Organic Chemicals
Apr 1, 2001 Jun 30, 2001 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Jun 30, 2001 Volatile Organic Chemicals
Apr 1, 2001 Jun 30, 2001 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Jun 30, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Mar 31, 2001 Volatile Organic Chemicals
Nov 1, 2000 Nov 30, 2000 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2000 Total Coliform Rule
Oct 1, 2000 Dec 31, 2000 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2000 Volatile Organic Chemicals
Jul 1, 2000 Sep 30, 2000 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Sep 30, 2000 Volatile Organic Chemicals
Jul 1, 2000 Sep 30, 2000 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Sep 30, 2000 Volatile Organic Chemicals
Apr 1, 2000 Jun 30, 2000 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Jun 30, 2000 Volatile Organic Chemicals
Apr 1, 2000 Jun 30, 2000 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Jun 30, 2000 Volatile Organic Chemicals
Jan 1, 2000 Mar 31, 2000 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Mar 31, 2000 Volatile Organic Chemicals
Jan 1, 2000 Mar 31, 2000 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Mar 31, 2000 Volatile Organic Chemicals
Jul 1, 1999 Sep 30, 1999 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Sep 30, 1999 Volatile Organic Chemicals
Apr 1, 1999 Jun 30, 1999 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Jun 30, 1999 Volatile Organic Chemicals
Apr 1, 1999 Jun 30, 1999 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Jun 30, 1999 Volatile Organic Chemicals
Jan 1, 1999 Mar 31, 1999 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Mar 31, 1999 Volatile Organic Chemicals
Oct 1, 1998 Dec 31, 1998 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 1998 Volatile Organic Chemicals
Jan 1, 1998 Dec 31, 1998 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 1998 Nitrate 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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