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Dilkon-Indian Wells-Greasewood-White Cone NTUA

Arizona — Community Water System — PWSID: NN0400342

System Information

PWSIDNN0400342
System NameDilkon-Indian Wells-Greasewood-White Cone NTUA
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeNative American
EPA Region09
Serves SchoolNo
WholesalerYes
First ReportedFeb 2, 1984
Last ReportedDec 31, 2025

Location & Contact

StateArizona
CityFort Defiance
ZIP Code86504
AddressPO Box 170
OrganizationSchools
Phone9287295721

Population & Service

Population Served4,986
Service Connections1,458

Drinking Water Violations (223)

This water system has 223 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, 2022 Jul 31, 2022 MON No Yes — — — Resolved Jul 31, 2022 —
Jul 1, 2022 — Other No No — — — Resolved Oct 4, 2022 —
Oct 1, 2021 Dec 31, 2021 MCL Yes No .0847 MG/L 0.080 mg/L — Resolved Dec 31, 2021 —
Oct 1, 2021 Dec 31, 2021 MCL Yes No .0847 MG/L 0.080 mg/L — Resolved Dec 31, 2021 —
Jul 1, 2021 Sep 30, 2021 MCL Yes No .1027 MG/L 0.080 mg/L — Resolved Sep 30, 2021 —
Jul 1, 2021 Sep 30, 2021 MCL Yes No .1027 MG/L 0.080 mg/L — Resolved Sep 30, 2021 —
Apr 1, 2021 — Other No No — — — Resolved Jul 14, 2021 —
Apr 1, 2021 Jun 30, 2021 MCL Yes No .1245 MG/L 0.080 mg/L — Resolved Jun 30, 2021 —
Apr 1, 2021 Jun 30, 2021 MCL Yes No .1245 MG/L 0.080 mg/L — Resolved Jun 30, 2021 —
Jan 1, 2021 Mar 31, 2021 MCL Yes No .1283 MG/L 0.080 mg/L — Resolved Mar 31, 2021 —
Jan 1, 2021 Mar 31, 2021 MCL Yes No .1283 MG/L 0.080 mg/L — Resolved Mar 31, 2021 —
Oct 1, 2020 Dec 31, 2020 MCL Yes No .1458 MG/L 0.080 mg/L — Resolved Dec 31, 2020 —
Oct 1, 2020 Dec 31, 2020 MCL Yes No .1458 MG/L 0.080 mg/L — Resolved Dec 31, 2020 —
Jul 1, 2020 Sep 30, 2020 MCL Yes No .1435 MG/L 0.080 mg/L — Resolved Sep 30, 2020 —
Jul 1, 2020 Sep 30, 2020 MCL Yes No .1435 MG/L 0.080 mg/L — Resolved Sep 30, 2020 —
Apr 1, 2020 Jun 30, 2020 MCL Yes No .1037 MG/L 0.080 mg/L — Resolved Jun 30, 2020 —
Apr 1, 2020 — Other No No — — — Resolved Apr 3, 2020 —
Apr 1, 2020 Jun 30, 2020 MCL Yes No .1037 MG/L 0.080 mg/L — Resolved Jun 30, 2020 —
Jan 1, 2020 Mar 31, 2020 MCL Yes No .1052 MG/L 0.080 mg/L — Resolved Mar 31, 2020 —
Jan 1, 2020 Mar 31, 2020 MCL Yes No .1052 MG/L 0.080 mg/L — Resolved Mar 31, 2020 —
Oct 1, 2019 Dec 31, 2019 MCL Yes No .1109 MG/L 0.080 mg/L — Resolved Dec 31, 2019 —
Oct 1, 2019 Dec 31, 2019 MCL Yes No .1109 MG/L 0.080 mg/L — Resolved Dec 31, 2019 —
Jul 1, 2019 Sep 30, 2019 MCL Yes No .1119 MG/L 0.080 mg/L — Resolved Sep 30, 2019 —
Jul 1, 2019 Sep 30, 2019 MCL Yes No .1119 MG/L 0.080 mg/L — Resolved Sep 30, 2019 —
Apr 1, 2019 Jun 30, 2019 MCL Yes No .1313 MG/L 0.080 mg/L — Resolved Jun 30, 2019 —
Apr 1, 2019 Jun 30, 2019 MCL Yes No .1313 MG/L 0.080 mg/L — Resolved Jun 30, 2019 —
Jan 1, 2019 Mar 31, 2019 MCL Yes No .086 MG/L 0.080 mg/L — Resolved Mar 31, 2019 —
Jan 1, 2019 Mar 31, 2019 MCL Yes No .086 MG/L 0.080 mg/L — Resolved Mar 31, 2019 —
Oct 1, 2018 — Other No No — — — Resolved Dec 26, 2018 —
Oct 1, 2018 Dec 31, 2018 MCL Yes No .169 MG/L 0.080 mg/L — Resolved Dec 31, 2018 —
Oct 1, 2018 Dec 31, 2018 MCL Yes No .169 MG/L 0.080 mg/L — Resolved Dec 31, 2018 —
Jul 1, 2018 Sep 30, 2018 MCL Yes No .1898 MG/L 0.080 mg/L — Resolved Sep 30, 2018 —
Jul 1, 2018 Sep 30, 2018 MCL Yes No .1898 MG/L 0.080 mg/L — Resolved Sep 30, 2018 —
Apr 1, 2018 Jun 30, 2018 MCL Yes No .1505 MG/L 0.080 mg/L — Resolved Jun 30, 2018 —
Apr 1, 2018 Jun 30, 2018 MCL Yes No .1505 MG/L 0.080 mg/L — Resolved Jun 30, 2018 —
Jan 1, 2018 Mar 31, 2018 MCL Yes No .1356 MG/L 0.080 mg/L — Resolved Mar 31, 2018 —
Jan 1, 2018 Mar 31, 2018 MCL Yes No .1356 MG/L 0.080 mg/L — Resolved Mar 31, 2018 —
Oct 1, 2017 — Other No No — — — Resolved Jun 19, 2018 —
Oct 1, 2017 Dec 31, 2017 MCL Yes No .1117 MG/L 0.080 mg/L — Resolved Dec 31, 2017 —
Oct 1, 2017 Dec 31, 2017 MCL Yes No .1117 MG/L 0.080 mg/L — Resolved Dec 31, 2017 —
Aug 1, 2017 Aug 31, 2017 MON No Yes — — — Resolved Aug 31, 2017 —
Aug 1, 2017 Aug 31, 2017 MON No Yes — — — Resolved Aug 31, 2017 —
Aug 1, 2017 Aug 31, 2017 MON No Yes — — — Resolved Aug 31, 2017 —
Jul 1, 2017 — Other No No — — — Resolved Mar 1, 2018 —
Jul 1, 2017 Sep 30, 2017 MCL Yes No .0854 MG/L 0.080 mg/L — Resolved Sep 30, 2017 —
Jul 1, 2017 Sep 30, 2017 MCL Yes No .0854 MG/L 0.080 mg/L — Resolved Sep 30, 2017 —
Apr 1, 2017 — Other No No — — — Resolved Mar 1, 2018 —
Apr 1, 2017 Jun 30, 2017 MCL Yes No .1005 MG/L 0.080 mg/L — Resolved May 9, 2017 —
Apr 1, 2017 Jun 30, 2017 MCL Yes No .1005 MG/L 0.080 mg/L — Resolved May 9, 2017 —
Apr 1, 2017 Jun 30, 2017 MCL Yes No .1005 MG/L 0.080 mg/L — Resolved May 9, 2017 —

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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