GRIC DPW Wild Horse Pass
Arizona — Community Water System — PWSID: 090400692
System Information
| PWSID | 090400692 |
| System Name | GRIC DPW Wild Horse Pass |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Native American |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jun 26, 1998 |
| Last Reported | Dec 31, 2025 |
Location & Contact
| State | Arizona |
| City | Sacaton |
| ZIP Code | 85147 |
| Address | 186 Skill Center Rd. |
| Organization | GRIC Department of Public Works |
| Phone | 5206107845 |
Population & Service
| Population Served | 22,795 |
| Service Connections | 820 |
Drinking Water Violations (72)
This water system has 72 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | TT | Yes | No | — | — | — | Unaddressed | — | Lead and Copper Rule Revisions |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | TT | Yes | No | — | — | — | Unaddressed | — | Lead and Copper Rule Revisions |
| Aug 25, 2023 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | May 16, 2024 | Lead and Copper Rule |
| Jan 1, 2023 | Mar 31, 2023 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2023 | Arsenic Rule |
| Dec 1, 2018 | Dec 31, 2018 | Revised Total Coliform Rule | MCL | Yes | No | — | — | — | Resolved | Dec 31, 2018 | Revised Total Coliform Rule |
| Jul 1, 2015 | Jul 31, 2015 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2015 | Total Coliform Rule |
| Jul 1, 2015 | Jul 31, 2015 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2015 | Total Coliform Rule |
| Jul 1, 2009 | Jul 31, 2009 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2009 | Total Coliform Rule |
| Jan 1, 2009 | Mar 31, 2009 | Arsenic | MCL | Yes | No | .01517 MG/L | 0.010 mg/L | — | Resolved | Mar 31, 2009 | Arsenic Rule |
| Jan 1, 2009 | Mar 31, 2009 | Arsenic | MCL | Yes | No | .01517 MG/L | 0.010 mg/L | — | Resolved | Mar 31, 2009 | Arsenic Rule |
| Oct 1, 2008 | Oct 31, 2008 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2008 | Total Coliform Rule |
| Mar 1, 2008 | Mar 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 1, 2008 | Total Coliform Rule |
| Aug 1, 2007 | Aug 31, 2007 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | Total Coliform Rule |
| Jan 1, 2006 | Dec 31, 2006 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | Nitrate Rule |
| Jan 1, 2005 | Dec 31, 2005 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2005 | Nitrate Rule |
| Aug 1, 2004 | Aug 31, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2004 | Total Coliform Rule |
| Aug 1, 2003 | Aug 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2003 | Total Coliform Rule |
| Jul 1, 2003 | Jul 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2003 | Total Coliform Rule |
| May 1, 2003 | May 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2003 | Total Coliform Rule |
| Apr 1, 2003 | Apr 30, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2003 | Total Coliform Rule |
| Mar 1, 2003 | Mar 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2003 | Total Coliform Rule |
| Feb 1, 2003 | Feb 28, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2003 | Total Coliform Rule |
| Jan 1, 2003 | Dec 31, 2003 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 9, 2003 | Nitrate Rule |
| Jan 1, 2003 | Jan 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2003 | Total Coliform Rule |
| Dec 1, 2002 | Dec 31, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2002 | Total Coliform Rule |
| Nov 1, 2002 | Nov 30, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2002 | Total Coliform Rule |
| Sep 1, 2002 | Sep 30, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2002 | Total Coliform Rule |
| Aug 1, 2002 | Aug 31, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2002 | Total Coliform Rule |
| Jun 1, 2002 | Jun 30, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2002 | Total Coliform Rule |
| May 1, 2002 | May 31, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2002 | Total Coliform Rule |
| Apr 1, 2002 | Apr 30, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2002 | Total Coliform Rule |
| Mar 1, 2002 | Mar 31, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2002 | Total Coliform Rule |
| Feb 1, 2002 | Feb 28, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2002 | Total Coliform Rule |
| Jan 1, 2002 | Jan 31, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2002 | Total Coliform Rule |
| Dec 1, 2001 | Dec 31, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2001 | Total Coliform Rule |
| Nov 1, 2001 | Nov 30, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2001 | Total Coliform Rule |
| Oct 1, 2001 | Oct 31, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2001 | Total Coliform Rule |
| Aug 1, 2001 | Aug 31, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2001 | Total Coliform Rule |
| Jul 1, 2001 | Jul 31, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2001 | Total Coliform Rule |
| Jun 1, 2001 | Jun 30, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2001 | Total Coliform Rule |
| May 1, 2001 | May 31, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2001 | Total Coliform Rule |
| Apr 1, 2001 | Apr 30, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2001 | Total Coliform Rule |
| Mar 1, 2001 | Mar 31, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2001 | Total Coliform Rule |
| Feb 1, 2001 | Feb 28, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2001 | Total Coliform Rule |
| Jan 1, 2001 | Jan 31, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2001 | Total Coliform Rule |
| Jan 1, 2001 | Dec 31, 2001 | Asbestos | MR | No | Yes | — | 7 MFL | — | Resolved | Dec 31, 2001 | Inorganic Chemicals |
| Dec 1, 2000 | Dec 31, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2000 | Total Coliform Rule |
| Oct 1, 2000 | Oct 31, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2000 | Total Coliform Rule |
| Sep 1, 2000 | Sep 30, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2000 | Total Coliform Rule |
| Aug 1, 2000 | Aug 31, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2000 | Total Coliform Rule |
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.