Pia Oik
Arizona - Community Water System - PWSID: 090400021
System Information
| PWSID | 090400021 |
| System Name | Pia Oik |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Inactive |
| Owner Type | Native American |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 2, 1984 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Arizona |
| City | Sells |
| ZIP Code | 85634 |
| Address | P.O. Box 816 |
| Organization | Tohono O'odham Utility Authority |
| Phone | 5203835830 |
Population & Service
| Population Served | 50 |
| Service Connections | 12 |
Drinking Water Violations (35)
This water system has 35 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2009 | Sep 30, 2009 | MCL | Yes | No | 7.675 MG/L | 4.0 mg/L | - | Archived | Sep 30, 2009 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MCL | Yes | No | 7.66 MG/L | 4.0 mg/L | - | Archived | Jun 30, 2009 | - | |
| Jan 1, 2009 | Mar 31, 2009 | MCL | Yes | No | 7.72 MG/L | 4.0 mg/L | - | Archived | Mar 31, 2009 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MCL | Yes | No | 7.6325 MG/L | 4.0 mg/L | - | Archived | Dec 31, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MCL | Yes | No | 7.63 MG/L | 4.0 mg/L | - | Archived | Sep 30, 2008 | - | |
| Apr 1, 2008 | Jun 30, 2008 | MCL | Yes | No | 7.545 MG/L | 4.0 mg/L | - | Archived | Jun 30, 2008 | - | |
| Jan 1, 2008 | Mar 31, 2008 | MCL | Yes | No | 7.6 MG/L | 4.0 mg/L | - | Archived | Mar 31, 2008 | - | |
| Oct 1, 2007 | Dec 31, 2007 | MCL | Yes | No | 7.295 MG/L | 4.0 mg/L | - | Archived | Dec 31, 2007 | - | |
| Apr 1, 2007 | Jun 30, 2007 | MCL | Yes | No | .024 MG/L | 0.010 mg/L | - | Resolved | Jun 30, 2007 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2002 | MCL | Yes | No | 6 MG/L | 4.0 mg/L | - | Resolved | Dec 31, 2002 | - | |
| Jan 1, 2002 | Dec 31, 2002 | MCL | Yes | No | 6 MG/L | 4.0 mg/L | - | Resolved | Dec 31, 2002 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MCL | Yes | No | 8.6 MG/L | 4.0 mg/L | - | Archived | Dec 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.