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Product Safety9,700+ CPSC product recalls Food Safety28,600+ FDA food recalls Pet Safety1.3M FDA animal adverse events Drug Safety17,500+ FDA drug recalls Device Safety38,400+ FDA device recalls Workplace Safety102,900+ OSHA injury reports Brand HistoryRecall lookup by company

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Lukachukai NTUA

Arizona — Community Water System — PWSID: NN0403047

System Information

PWSIDNN0403047
System NameLukachukai NTUA
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
CityFt Defiance
ZIP Code86504
AddressOffice of Deputy General Manager
OrganizationNavajo Tribal Utility Authority
Phone9287296277

Population & Service

Population Served1,659
Service Connections485

Drinking Water Violations (80)

This water system has 80 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
Jan 1, 2020 Dec 31, 2020 MR No Yes — 0.080 mg/L — Resolved Dec 31, 2020 —
Jan 1, 2020 Dec 31, 2020 MR No Yes — 0.080 mg/L — Resolved Dec 31, 2020 —
Jan 1, 2020 Dec 31, 2020 MR No Yes — 0.080 mg/L — Resolved Dec 31, 2020 —
Jan 1, 2020 Dec 31, 2020 MR No Yes — 0.060 mg/L — Resolved Dec 31, 2020 —
Jan 1, 2020 Dec 31, 2020 MR No Yes — 0.060 mg/L — Resolved Dec 31, 2020 —
Jan 1, 2020 Dec 31, 2020 MR No Yes — 0.060 mg/L — Resolved Dec 31, 2020 —
Apr 1, 2016 — Other No No — — — Resolved Feb 10, 2025 —
Apr 1, 2016 — Other No No — — — Resolved Feb 10, 2025 —
Oct 1, 2013 — MR No Yes — — — Unaddressed — —
Oct 1, 2013 — MR No Yes — — — Unaddressed — —
Dec 1, 2012 Dec 31, 2012 MR No No — 5% of samples — Resolved Dec 31, 2012 —
Dec 1, 2012 Dec 31, 2012 MR No No — 5% of samples — Resolved Dec 31, 2012 —
Nov 1, 2012 Nov 30, 2012 MR No No — 5% of samples — Resolved Nov 30, 2012 —
Oct 1, 2012 Dec 31, 2012 MCL Yes No .0203 MG/L 0.010 mg/L — Resolved Dec 31, 2012 —
Oct 1, 2012 Dec 31, 2012 MCL Yes No .0203 MG/L 0.010 mg/L — Resolved Dec 31, 2012 —
Oct 1, 2012 Dec 31, 2012 MCL Yes No .0203 MG/L 0.010 mg/L — Resolved Dec 31, 2012 —
Jul 1, 2012 Sep 30, 2012 MCL Yes No .0203 MG/L 0.010 mg/L — Resolved Sep 30, 2012 —
Jul 1, 2012 Sep 30, 2012 MCL Yes No .0203 MG/L 0.010 mg/L — Resolved Sep 30, 2012 —
Jul 1, 2012 Sep 30, 2012 MCL Yes No .0203 MG/L 0.010 mg/L — Resolved Sep 30, 2012 —
Jul 1, 2012 Sep 30, 2012 MCL Yes No .0203 MG/L 0.010 mg/L — Resolved Sep 30, 2012 —
Apr 1, 2012 Jun 30, 2012 MR No Yes — 0.010 mg/L — Resolved Jun 30, 2012 —
Apr 1, 2012 Jun 30, 2012 MR No Yes — 0.010 mg/L — Resolved Jun 30, 2012 —
Apr 1, 2012 Jun 30, 2012 MR No Yes — 0.010 mg/L — Resolved Jun 30, 2012 —
Apr 1, 2012 Jun 30, 2012 MCL Yes No .02763 MG/L 0.010 mg/L — Resolved Jun 30, 2012 —
Apr 1, 2012 Jun 30, 2012 MCL Yes No .02763 MG/L 0.010 mg/L — Resolved Jun 30, 2012 —
Apr 1, 2012 Jun 30, 2012 MCL Yes No .02763 MG/L 0.010 mg/L — Resolved Jun 30, 2012 —
Apr 1, 2012 Jun 30, 2012 MCL Yes No .02763 MG/L 0.010 mg/L — Resolved Jun 30, 2012 —
Jan 1, 2012 Mar 31, 2012 MCL Yes No .02143 MG/L 0.010 mg/L — Resolved Mar 31, 2012 —
Jan 1, 2012 Mar 31, 2012 MCL Yes No .02143 MG/L 0.010 mg/L — Resolved Mar 31, 2012 —
Jan 1, 2012 Mar 31, 2012 MCL Yes No .02143 MG/L 0.010 mg/L — Resolved Mar 31, 2012 —
Jan 1, 2012 Mar 31, 2012 MCL Yes No .02143 MG/L 0.010 mg/L — Resolved Mar 31, 2012 —
Jan 1, 2012 Mar 31, 2012 MCL Yes No .02143 MG/L 0.010 mg/L — Resolved Mar 31, 2012 —
Jan 1, 2012 Mar 31, 2012 MCL Yes No .02143 MG/L 0.010 mg/L — Resolved Mar 31, 2012 —
Jan 1, 2012 Mar 31, 2012 MCL Yes No .02143 MG/L 0.010 mg/L — Resolved Mar 31, 2012 —
Jan 1, 2010 Dec 31, 2010 MR No Yes — 1 mg/L — Resolved Dec 31, 2010 —
Jan 1, 2009 Jan 31, 2009 MR No No — 5% of samples — Resolved Jan 29, 2009 —
Jan 1, 2009 Jan 31, 2009 MR No No — 5% of samples — Resolved Jan 29, 2009 —
Jan 1, 2009 Jan 31, 2009 MR No No — 5% of samples — Resolved Jan 29, 2009 —
Jan 1, 2005 Dec 31, 2010 MR No Yes — 0.005 mg/L — Resolved Dec 31, 2010 —
Jan 1, 2005 Dec 31, 2010 MR No Yes — 0.005 mg/L — Resolved Dec 31, 2010 —
Jan 1, 2005 Dec 31, 2010 MR No Yes — 1 mg/L — Resolved Dec 31, 2010 —
Jan 1, 2005 Dec 31, 2010 MR No Yes — 0.005 mg/L — Resolved Dec 31, 2010 —
Jan 1, 2005 Dec 31, 2010 MR No Yes — 0.005 mg/L — Resolved Dec 31, 2010 —
Jan 1, 2005 Dec 31, 2010 MR No Yes — 0.002 mg/L — Resolved Dec 31, 2010 —
Jan 1, 2005 Dec 31, 2010 MR No Yes — 0.005 mg/L — Resolved Dec 31, 2010 —
Jan 1, 2005 Dec 31, 2010 MR No Yes — 0.07 mg/L — Resolved Dec 31, 2010 —
Jan 1, 2005 Dec 31, 2010 MR No Yes — 0.7 mg/L — Resolved Dec 31, 2010 —
Jan 1, 2005 Dec 31, 2010 MR No Yes — 0.1 mg/L — Resolved Dec 31, 2010 —
Jan 1, 2005 Dec 31, 2010 MR No Yes — 0.075 mg/L — Resolved Dec 31, 2010 —
Jan 1, 2005 Dec 31, 2010 MR No Yes — 0.1 mg/L — Resolved Dec 31, 2010 —

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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