Fort McDowell Community
Arizona — Community Water System — PWSID: 090400088
System Information
| PWSID | 090400088 |
| System Name | Fort McDowell Community |
| 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 | Feb 2, 1984 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Arizona |
| City | Fountain Hills |
| ZIP Code | 85269-7779 |
| Address | P.O. Box 17779 |
| Organization | Fort McDowell Yavapai Nation |
| Phone | 4807897000 |
Population & Service
| Population Served | 7,260 |
| Service Connections | 367 |
Drinking Water Violations (170)
This water system has 170 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, 2025 | Sep 30, 2025 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2025 | — | |
| Jul 1, 2025 | Sep 30, 2025 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2025 | — | |
| Jul 1, 2025 | Sep 30, 2025 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2025 | — | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .0105 MG/L | 0.010 mg/L | — | Resolved | Mar 31, 2025 | — | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .0105 MG/L | 0.010 mg/L | — | Resolved | Mar 31, 2025 | — | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .0105 MG/L | 0.010 mg/L | — | Resolved | Mar 31, 2025 | — | |
| Oct 1, 2024 | — | Other | No | No | — | — | — | Resolved | Jan 28, 2025 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .0105 MG/L | 0.010 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .0105 MG/L | 0.010 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .0105 MG/L | 0.010 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2022 | — | Other | No | No | — | — | — | Resolved | Feb 21, 2023 | — | |
| Jul 1, 2022 | Sep 30, 2022 | MCL | Yes | No | .0107 MG/L | 0.010 mg/L | — | Resolved | Sep 30, 2022 | — | |
| Jan 1, 2022 | — | RPT | No | No | — | — | — | Resolved | Feb 23, 2022 | — | |
| Jul 1, 2019 | Sep 30, 2019 | MCL | Yes | No | .0102 MG/L | 0.010 mg/L | — | Resolved | Sep 30, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.00005 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.04 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Oct 1, 2013 | Oct 31, 2013 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2013 | — | |
| Jan 1, 2013 | Jan 31, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 31, 2013 | — | |
| Jan 1, 2013 | Jan 31, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 31, 2013 | — | |
| Jul 1, 2012 | Sep 30, 2012 | MCL | Yes | No | .01118 MG/L | 0.010 mg/L | — | Resolved | Sep 30, 2012 | — | |
| Jul 1, 2012 | Sep 30, 2012 | MCL | Yes | No | .01118 MG/L | 0.010 mg/L | — | Resolved | Sep 30, 2012 | — | |
| Apr 1, 2012 | Jun 30, 2012 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | — | Resolved | Jun 30, 2012 | — | |
| Apr 1, 2012 | Jun 30, 2012 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | — | Resolved | Jun 30, 2012 | — | |
| Jan 1, 2012 | Mar 31, 2012 | MCL | Yes | No | .0106 MG/L | 0.010 mg/L | — | Resolved | Mar 31, 2012 | — | |
| Jan 1, 2012 | Mar 31, 2012 | MCL | Yes | No | .0106 MG/L | 0.010 mg/L | — | Resolved | Mar 31, 2012 | — | |
| Oct 1, 2011 | Dec 31, 2011 | MCL | Yes | No | .0106 MG/L | 0.010 mg/L | — | Resolved | Dec 31, 2011 | — | |
| Oct 1, 2011 | Dec 31, 2011 | MCL | Yes | No | .0106 MG/L | 0.010 mg/L | — | Resolved | Dec 31, 2011 | — | |
| Jul 1, 2011 | Sep 30, 2011 | MCL | Yes | No | .0106 MG/L | 0.010 mg/L | — | Resolved | Sep 30, 2011 | — | |
| Jul 1, 2011 | Sep 30, 2011 | MCL | Yes | No | .0106 MG/L | 0.010 mg/L | — | Resolved | Sep 30, 2011 | — | |
| Apr 1, 2011 | Jun 30, 2011 | MCL | Yes | No | .01098 MG/L | 0.010 mg/L | — | Resolved | Jun 30, 2011 | — | |
| Apr 1, 2011 | Jun 30, 2011 | MCL | Yes | No | .01098 MG/L | 0.010 mg/L | — | Resolved | Jun 30, 2011 | — | |
| Sep 1, 2010 | — | MR | No | Yes | — | — | — | Resolved | Apr 27, 2011 | — | |
| Jul 1, 2009 | Jul 31, 2009 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2009 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Mar 1, 2001 | Mar 31, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2001 | — | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2001 | — | |
| Nov 1, 1997 | Nov 30, 1997 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1997 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1996 | — |
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.