CATERPILLAR INC
Arizona — Non-Transient Non-Community — PWSID: AZ0410258
System Information
| PWSID | AZ0410258 |
| System Name | CATERPILLAR INC |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Mixed |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Sep 16, 1991 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | GREEN VALLEY |
| ZIP Code | 85614 |
| Address | 6000 W. CATERPILLAR TRAIL |
| Organization | TWITCHELL, LAUREN |
| Phone | 520-648-4848 |
Population & Service
| Population Served | 200 |
| Service Connections | 2 |
Drinking Water Violations (49)
This water system has 49 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 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2014 | — | |
| Dec 1, 2014 | Dec 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2004 | Mar 31, 2004 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Mar 31, 2004 | — | |
| Jan 1, 2004 | Mar 31, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 2004 | — | |
| Oct 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Oct 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jul 1, 2003 | Sep 30, 2003 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Sep 30, 2003 | — | |
| Jul 1, 2003 | Sep 30, 2003 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2003 | — | |
| Apr 1, 2003 | Jun 30, 2003 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Jun 30, 2003 | — | |
| Apr 1, 2003 | Jun 30, 2003 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2003 | — | |
| Jan 1, 2003 | Mar 31, 2003 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Mar 31, 2003 | — | |
| Jan 1, 2003 | Mar 31, 2003 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 2003 | — | |
| Jul 1, 2002 | Sep 30, 2002 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2002 | — | |
| Jul 1, 2002 | Sep 30, 2002 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Sep 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Jan 1, 2002 | Mar 31, 2002 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 2002 | — | |
| Jan 1, 2002 | Mar 31, 2002 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Mar 31, 2002 | — | |
| Oct 1, 2001 | Dec 31, 2001 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2001 | — | |
| Oct 1, 2001 | Dec 31, 2001 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2001 | — | |
| Jul 1, 2001 | Sep 30, 2001 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2001 | — | |
| Jul 1, 2001 | Sep 30, 2001 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Sep 30, 2001 | — | |
| Apr 1, 2001 | Jun 30, 2001 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2001 | — | |
| Apr 1, 2001 | Jun 30, 2001 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Jun 30, 2001 | — | |
| Jan 1, 2001 | Mar 31, 2001 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 2001 | — | |
| Jan 1, 2001 | Mar 31, 2001 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Mar 31, 2001 | — | |
| Nov 1, 2000 | Nov 30, 2000 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2000 | — | |
| Nov 1, 2000 | Nov 30, 2000 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2000 | — | |
| Oct 1, 2000 | Dec 31, 2000 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Oct 1, 2000 | Dec 31, 2000 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jul 1, 2000 | Sep 30, 2000 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Sep 30, 2000 | — | |
| Jul 1, 2000 | Sep 30, 2000 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2000 | — | |
| Apr 1, 2000 | Jun 30, 2000 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Jun 30, 2000 | — | |
| Apr 1, 2000 | Jun 30, 2000 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2000 | — | |
| Jan 1, 2000 | Mar 31, 2000 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 2000 | — | |
| Jan 1, 2000 | Mar 31, 2000 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Mar 31, 2000 | — | |
| Jul 1, 1999 | Sep 30, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 1999 | — | |
| Jul 1, 1999 | Sep 30, 1999 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Sep 30, 1999 | — | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Jun 30, 1999 | — | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 1999 | — | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Mar 31, 1999 | — | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 1999 | — | |
| Oct 1, 1998 | Dec 31, 1998 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 1998 | — | |
| Oct 1, 1998 | Dec 31, 1998 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1998 | — | |
| Jul 1, 1998 | Sep 30, 1998 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Sep 30, 1998 | — | |
| Jul 1, 1998 | Sep 30, 1998 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 1998 | — | |
| Jan 1, 1998 | Dec 31, 1998 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1998 | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — |
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.