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Fort McDowell Community

Arizona — Community Water System — PWSID: 090400088

System Information

PWSID090400088
System NameFort McDowell Community
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeNative American
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedFeb 2, 1984
Last ReportedDec 31, 2025

Location & Contact

StateArizona
CityFountain Hills
ZIP Code85269-7779
AddressP.O. Box 17779
OrganizationFort McDowell Yavapai Nation
Phone4807897000

Population & Service

Population Served7,260
Service Connections399

Drinking Water Violations (169)

This water system has 169 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 Nitrate MR No Yes — 10 mg/L — Archived Sep 30, 2025 Nitrate Rule
Jul 1, 2025 Sep 30, 2025 Arsenic MR No Yes — 0.010 mg/L — Archived Sep 30, 2025 Arsenic Rule
Jan 1, 2025 Mar 31, 2025 Arsenic MCL Yes No .0105 MG/L 0.010 mg/L — Resolved Mar 31, 2025 Arsenic Rule
Jan 1, 2025 Mar 31, 2025 Arsenic MCL Yes No .0105 MG/L 0.010 mg/L — Resolved Mar 31, 2025 Arsenic Rule
Jan 1, 2025 Mar 31, 2025 Arsenic MCL Yes No .0105 MG/L 0.010 mg/L — Resolved Mar 31, 2025 Arsenic Rule
Oct 1, 2024 Dec 31, 2024 Arsenic MCL Yes No .0105 MG/L 0.010 mg/L — Resolved Dec 31, 2024 Arsenic Rule
Oct 1, 2024 Dec 31, 2024 Arsenic MCL Yes No .0105 MG/L 0.010 mg/L — Resolved Dec 31, 2024 Arsenic Rule
Oct 1, 2024 Dec 31, 2024 Arsenic MCL Yes No .0105 MG/L 0.010 mg/L — Resolved Dec 31, 2024 Arsenic Rule
Oct 1, 2024 — Public Notice Other No No — — — Resolved Jan 28, 2025 Public Notice Rule and Revised PN Rule
Oct 1, 2022 — Public Notice Other No No — — — Resolved Feb 21, 2023 Public Notice Rule and Revised PN Rule
Jul 1, 2022 Sep 30, 2022 Arsenic MCL Yes No .0107 MG/L 0.010 mg/L — Resolved Sep 30, 2022 Arsenic Rule
Jan 1, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Feb 23, 2022 Revised Total Coliform Rule
Jul 1, 2019 Sep 30, 2019 Arsenic MCL Yes No .0102 MG/L 0.010 mg/L — Resolved Sep 30, 2019 Arsenic Rule
Jan 1, 2017 Dec 31, 2019 Carbofuran MR No Yes — 0.04 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Glyphosate MR No Yes — 0.7 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Endothall MR No Yes — 0.1 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Oct 1, 2013 Oct 31, 2013 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2013 Total Coliform Rule
Jan 1, 2013 Jan 31, 2013 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jan 31, 2013 Total Coliform Rule
Jan 1, 2013 Jan 31, 2013 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jan 31, 2013 Total Coliform Rule
Jul 1, 2012 Sep 30, 2012 Arsenic MCL Yes No .01118 MG/L 0.010 mg/L — Resolved Sep 30, 2012 Arsenic Rule
Jul 1, 2012 Sep 30, 2012 Arsenic MCL Yes No .01118 MG/L 0.010 mg/L — Resolved Sep 30, 2012 Arsenic Rule
Apr 1, 2012 Jun 30, 2012 Arsenic MCL Yes No .011 MG/L 0.010 mg/L — Resolved Jun 30, 2012 Arsenic Rule
Apr 1, 2012 Jun 30, 2012 Arsenic MCL Yes No .011 MG/L 0.010 mg/L — Resolved Jun 30, 2012 Arsenic Rule
Jan 1, 2012 Mar 31, 2012 Arsenic MCL Yes No .0106 MG/L 0.010 mg/L — Resolved Mar 31, 2012 Arsenic Rule
Jan 1, 2012 Mar 31, 2012 Arsenic MCL Yes No .0106 MG/L 0.010 mg/L — Resolved Mar 31, 2012 Arsenic Rule
Oct 1, 2011 Dec 31, 2011 Arsenic MCL Yes No .0106 MG/L 0.010 mg/L — Resolved Dec 31, 2011 Arsenic Rule
Oct 1, 2011 Dec 31, 2011 Arsenic MCL Yes No .0106 MG/L 0.010 mg/L — Resolved Dec 31, 2011 Arsenic Rule
Jul 1, 2011 Sep 30, 2011 Arsenic MCL Yes No .0106 MG/L 0.010 mg/L — Resolved Sep 30, 2011 Arsenic Rule
Jul 1, 2011 Sep 30, 2011 Arsenic MCL Yes No .0106 MG/L 0.010 mg/L — Resolved Sep 30, 2011 Arsenic Rule
Apr 1, 2011 Jun 30, 2011 Arsenic MCL Yes No .01098 MG/L 0.010 mg/L — Resolved Jun 30, 2011 Arsenic Rule
Apr 1, 2011 Jun 30, 2011 Arsenic MCL Yes No .01098 MG/L 0.010 mg/L — Resolved Jun 30, 2011 Arsenic Rule
Sep 1, 2010 — E. COLI MR No Yes — — — Resolved Apr 27, 2011 Ground Water Rule
Jul 1, 2009 Jul 31, 2009 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2009 Total Coliform Rule
Jan 1, 2004 Dec 31, 2004 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2004 Nitrate Rule
Jan 1, 2004 Dec 31, 2004 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2004 Nitrate Rule
Mar 1, 2001 Mar 31, 2001 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2001 Total Coliform Rule
Jan 1, 2001 Dec 31, 2001 Glyphosate MR No Yes — 0.7 mg/L — Resolved Dec 31, 2001 Synthetic Organic Chemicals
Nov 1, 1997 Nov 30, 1997 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 1997 Total Coliform Rule
Jan 1, 1996 Dec 31, 1996 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals

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.

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