CABALLO LOCO RANCH
Arizona - Transient Non-Community - PWSID: AZ0420601
System Information
| PWSID | AZ0420601 |
| System Name | CABALLO LOCO RANCH |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 22, 1982 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | LUKEVILLE |
| ZIP Code | 85341 |
| Address | - |
| Organization | OSORIO, PALOMA |
| Phone | 520-387-5507 |
Population & Service
| Population Served | 150 |
| Service Connections | 5 |
Drinking Water Violations (65)
This water system has 65 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2025 | Apr 30, 2025 | MON | No | No | - | - | - | Resolved | Apr 30, 2025 | - | |
| Apr 1, 2025 | Apr 30, 2025 | MON | No | No | - | - | - | Resolved | Apr 30, 2025 | - | |
| Apr 1, 2025 | Apr 30, 2025 | MON | No | No | - | - | - | Resolved | Apr 30, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 10 mg/L | - | Archived | Dec 31, 2025 | - | |
| Nov 21, 2024 | - | Other | No | No | - | - | - | Resolved | Feb 3, 2025 | - | |
| Nov 21, 2024 | - | Other | No | No | - | - | - | Resolved | Feb 3, 2025 | - | |
| Sep 22, 2024 | - | Other | No | No | - | - | - | Resolved | Sep 25, 2024 | - | |
| Sep 22, 2024 | - | Other | No | No | - | - | - | Resolved | Sep 25, 2024 | - | |
| Aug 16, 2024 | - | Other | No | No | - | - | - | Resolved | Sep 25, 2024 | - | |
| Aug 16, 2024 | - | Other | No | No | - | - | - | Resolved | Sep 25, 2024 | - | |
| Oct 1, 2023 | Oct 31, 2023 | MON | No | No | - | - | - | Resolved | Oct 31, 2023 | - | |
| Oct 1, 2023 | Oct 31, 2023 | MON | No | No | - | - | - | Resolved | Oct 31, 2023 | - | |
| Oct 1, 2023 | Oct 31, 2023 | MON | No | No | - | - | - | Resolved | Oct 31, 2023 | - | |
| Oct 1, 2023 | Oct 31, 2023 | MON | No | No | - | - | - | Resolved | Oct 31, 2023 | - | |
| Aug 1, 2023 | Aug 31, 2023 | MON | No | No | - | - | - | Resolved | Aug 31, 2023 | - | |
| Aug 1, 2023 | Aug 31, 2023 | MON | No | No | - | - | - | Resolved | Aug 31, 2023 | - | |
| Aug 1, 2023 | Aug 31, 2023 | MON | No | No | - | - | - | Resolved | Aug 31, 2023 | - | |
| Aug 1, 2023 | Aug 31, 2023 | MON | No | No | - | - | - | Resolved | Aug 31, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2023 | - | |
| Nov 1, 2022 | - | TT | Yes | No | - | - | - | Resolved | Jan 9, 2023 | - | |
| Nov 1, 2022 | - | TT | Yes | No | - | - | - | Resolved | Jan 9, 2023 | - | |
| Nov 1, 2022 | - | RPT | No | No | - | - | - | Resolved | Jan 9, 2023 | - | |
| Nov 1, 2022 | - | RPT | No | No | - | - | - | Resolved | Jan 9, 2023 | - | |
| Oct 22, 2017 | - | RPT | No | No | - | - | - | Resolved | Dec 11, 2017 | - | |
| Oct 22, 2017 | - | RPT | No | No | - | - | - | Resolved | Dec 11, 2017 | - | |
| Oct 22, 2017 | - | TT | Yes | No | - | - | - | Resolved | Dec 20, 2017 | - | |
| Oct 22, 2017 | - | TT | Yes | No | - | - | - | Resolved | Dec 20, 2017 | - | |
| Oct 1, 2016 | Oct 31, 2016 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2016 | - | |
| Oct 1, 2016 | Oct 31, 2016 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2016 | - | |
| Nov 1, 2015 | Nov 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2015 | - | |
| Nov 1, 2015 | Nov 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2015 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Oct 1, 2014 | Oct 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2014 | - | |
| Oct 1, 2014 | Oct 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2014 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Nov 1, 2008 | Nov 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2008 | - | |
| Nov 1, 2008 | Nov 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2008 | - |
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.