DAVIS RANCH LAND OWNERS
Arizona - Community Water System - PWSID: AZ0411090
System Information
| PWSID | AZ0411090 |
| System Name | DAVIS RANCH LAND OWNERS |
| System Type | Community Water System |
| 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 | MARANA |
| ZIP Code | 85658 |
| Address | 37075 S TWIN HAWK LN |
| Organization | HERRING, CARL |
| Phone | 520-981-2662 |
Population & Service
| Population Served | 40 |
| Service Connections | 19 |
Drinking Water Violations (59)
This water system has 59 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 16, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 25, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 2, 2025 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Nov 1, 2024 | - | RPT | No | No | - | - | - | Resolved | Dec 20, 2024 | - | |
| Nov 1, 2024 | - | RPT | No | No | - | - | - | Resolved | Dec 20, 2024 | - | |
| Oct 1, 2024 | Oct 31, 2024 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2024 | - | |
| Oct 1, 2024 | Oct 31, 2024 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2024 | - | |
| Oct 1, 2024 | Oct 31, 2024 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2024 | - | |
| Aug 1, 2024 | - | RPT | No | No | - | - | - | Resolved | Dec 9, 2024 | - | |
| Aug 1, 2024 | - | RPT | No | No | - | - | - | Resolved | Dec 9, 2024 | - | |
| Jun 1, 2024 | Jun 30, 2024 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2024 | - | |
| Jun 1, 2024 | Jun 30, 2024 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2024 | - | |
| Jun 1, 2024 | Jun 30, 2024 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2024 | - | |
| Oct 1, 2023 | - | RPT | No | No | - | - | - | Resolved | Feb 27, 2024 | - | |
| Oct 1, 2023 | - | RPT | No | No | - | - | - | Resolved | Feb 27, 2024 | - | |
| Apr 1, 2014 | Apr 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2014 | - | |
| Apr 1, 2014 | Apr 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2014 | - | |
| Jan 1, 2013 | Jan 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2013 | - | |
| Jan 1, 2013 | Jan 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2013 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | Sep 28, 2011 | - | |
| Oct 1, 2010 | - | Other | No | No | - | - | - | Resolved | Oct 29, 2010 | - | |
| Oct 1, 2010 | Oct 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2010 | - | |
| Oct 1, 2010 | Oct 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2010 | - | |
| Jul 1, 2010 | - | Other | No | No | - | - | - | Resolved | Oct 29, 2010 | - | |
| Jul 1, 2009 | - | Other | No | No | - | - | - | Resolved | Jul 16, 2010 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Dec 22, 2008 | - | |
| Jul 1, 2007 | - | Other | No | No | - | - | - | Resolved | Jul 21, 2007 | - | |
| Jul 1, 2006 | - | Other | No | No | - | - | - | Resolved | Aug 2, 2006 | - | |
| Oct 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Dec 6, 2006 | - | |
| Oct 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Oct 12, 2007 | - | |
| Jul 1, 2002 | - | Other | No | No | - | - | - | Resolved | Jul 19, 2002 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 0.6 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 1999 | - |
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.