RANCHO DE LA OSA
Arizona - Transient Non-Community - PWSID: AZ0420458
System Information
| PWSID | AZ0420458 |
| System Name | RANCHO DE LA OSA |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Non-Inventory |
| Owner Type | Mixed |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Oct 5, 1979 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | SASABE |
| ZIP Code | 85633 |
| Address | - |
| Organization | SCHULTZ, VERONICA |
| Phone | 520-872-6240 |
Population & Service
| Population Served | - |
| Service Connections | 1 |
Drinking Water Violations (40)
This water system has 40 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2015 | Jan 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2014 | - | |
| Jan 1, 2015 | Jan 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2014 | - | |
| Jan 1, 2014 | Dec 31, 2014 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2014 | - | |
| Jan 1, 2014 | Dec 31, 2014 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2014 | - | |
| Sep 1, 2012 | Sep 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2012 | - | |
| Sep 1, 2012 | Sep 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2012 | - | |
| Dec 1, 2008 | Dec 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2008 | - | |
| Dec 1, 2008 | Dec 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2008 | - | |
| Feb 1, 2008 | Feb 29, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 29, 2008 | - | |
| Feb 1, 2008 | Feb 29, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 2008 | - | |
| Jan 1, 2008 | Jan 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2008 | - | |
| Dec 1, 2007 | Dec 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2007 | - | |
| Dec 1, 2007 | Dec 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2007 | - | |
| Dec 1, 2007 | Dec 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2007 | - | |
| Apr 1, 2004 | Apr 30, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2004 | - | |
| Oct 1, 2001 | Oct 31, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2001 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Dec 1, 1991 | Dec 31, 1991 | MR | No | Yes | - | 5% of samples | - | Archived | Dec 31, 1991 | - | |
| Nov 1, 1991 | Nov 30, 1991 | MR | No | No | - | 5% of samples | - | Archived | Nov 30, 1991 | - | |
| Feb 28, 1991 | Feb 27, 1994 | MR | No | Yes | - | 10 mg/L | - | Archived | Feb 27, 1994 | - | |
| Feb 29, 1988 | Feb 27, 1991 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Feb 27, 1991 | - | |
| Feb 29, 1988 | Feb 27, 1991 | MR | No | Yes | - | 2 mg/L | - | Archived | Feb 27, 1991 | - | |
| Feb 29, 1988 | Feb 27, 1991 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Feb 27, 1991 | - | |
| Feb 29, 1988 | Feb 27, 1991 | MR | No | Yes | - | 10 mg/L | - | Archived | Feb 27, 1991 | - | |
| Feb 29, 1988 | Feb 27, 1991 | MR | No | Yes | - | 0.05 mg/L | - | Archived | Feb 27, 1991 | - | |
| Feb 29, 1988 | Feb 27, 1991 | MR | No | Yes | - | 0.010 mg/L | - | Archived | Feb 27, 1991 | - | |
| Feb 29, 1988 | Feb 27, 1991 | MR | No | Yes | - | 0.002 mg/L | - | Archived | Feb 27, 1991 | - | |
| Feb 29, 1988 | Feb 27, 1991 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Feb 27, 1991 | - | |
| Jan 1, 1988 | Mar 31, 1988 | MR | No | Yes | - | 2 mg/L | - | Archived | Mar 31, 1988 | - | |
| Jan 1, 1988 | Mar 31, 1988 | MR | No | Yes | - | 0.05 mg/L | - | Archived | Mar 31, 1988 | - | |
| Jan 1, 1988 | Mar 31, 1988 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Mar 31, 1988 | - | |
| Jan 1, 1988 | Mar 31, 1988 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Mar 31, 1988 | - | |
| Jan 1, 1988 | Mar 31, 1988 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Mar 31, 1988 | - | |
| Jan 1, 1988 | Mar 31, 1988 | MR | No | Yes | - | 0.002 mg/L | - | Archived | Mar 31, 1988 | - | |
| Jan 1, 1988 | Mar 31, 1988 | MR | No | Yes | - | 10 mg/L | - | Archived | Mar 31, 1988 | - | |
| Feb 2, 1985 | Feb 1, 1988 | MR | No | Yes | - | 0.010 mg/L | - | Archived | Feb 1, 1988 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | 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.