Desert Diamond Why
Arizona - Non-Transient Non-Community - PWSID: 090400234
System Information
| PWSID | 090400234 |
| System Name | Desert Diamond Why |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Native American |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 30, 2002 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Arizona |
| City | Tucson |
| ZIP Code | 85734 |
| Address | P.O. Box 22230 |
| Organization | Tohono O'odham Gaming Enterprise |
| Phone | 5202947777 |
Population & Service
| Population Served | 362 |
| Service Connections | 88 |
Drinking Water Violations (45)
This water system has 45 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, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.060 mg/L | - | Archived | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Archived | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Archived | Dec 31, 2024 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | .0128 MG/L | 0.010 mg/L | - | Resolved | Sep 30, 2010 | - | |
| Apr 1, 2010 | Jun 30, 2010 | MCL | Yes | No | .0128 MG/L | 0.010 mg/L | - | Resolved | Jun 30, 2010 | - | |
| Jan 1, 2010 | Mar 31, 2010 | MCL | Yes | No | .01598 MG/L | 0.010 mg/L | - | Resolved | Mar 31, 2010 | - | |
| Oct 1, 2009 | Dec 31, 2009 | MCL | Yes | No | .01772 MG/L | 0.010 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Sep 1, 2009 | Sep 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2009 | - | |
| Aug 1, 2009 | Aug 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MCL | Yes | No | .0415 MG/L | 0.010 mg/L | - | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MCL | Yes | No | .01617 MG/L | 0.010 mg/L | - | Resolved | Sep 30, 2009 | - | |
| Oct 1, 2007 | Dec 31, 2007 | MCL | Yes | No | .28557 MG/L | 0.010 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Apr 1, 2007 | Jun 30, 2007 | MCL | Yes | No | .223 MG/L | 0.010 mg/L | - | Resolved | Jun 30, 2007 | - | |
| Oct 1, 2006 | Dec 31, 2006 | MCL | Yes | No | .26 MG/L | 0.010 mg/L | - | Resolved | Dec 31, 2006 | - | |
| Jun 1, 2006 | Jun 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2006 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MCL | Yes | No | .32 MG/L | 0.010 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Oct 1, 2004 | Oct 31, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2004 | - | |
| Apr 1, 2004 | Apr 30, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2004 | - | |
| Jun 1, 2001 | Jun 30, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2001 | - | |
| Oct 1, 2000 | Oct 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2000 | - | |
| Apr 1, 2000 | Jun 30, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2000 | - | |
| Jan 1, 2000 | Mar 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2000 | - | |
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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.