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Red Mesa NTUA

Arizona - Community Water System - PWSID: NN4903017

System Information

PWSIDNN4903017
System NameRed Mesa NTUA
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeNative American
EPA Region09
Serves SchoolNo
WholesalerYes
First ReportedAug 2, 1994
Last ReportedDec 31, 2025

Location & Contact

StateArizona
CityFt Defiance
ZIP Code86504
AddressOffice of Deputy General Manager
OrganizationNavajo Tribal Utility Authority
Phone9287296277

Population & Service

Population Served1,023
Service Connections299

Drinking Water Violations (108)

This water system has 108 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, 2024 Sep 30, 2024 MCL Yes No .01163 MG/L 0.010 mg/L - Resolved Sep 30, 2024 -
Jul 1, 2024 Sep 30, 2024 MCL Yes No .01163 MG/L 0.010 mg/L - Resolved Sep 30, 2024 -
Jul 1, 2024 - Other No No - - - Unaddressed - -
Jul 1, 2024 - Other No No - - - Unaddressed - -
Jul 1, 2024 - Other No No - - - Unaddressed - -
Apr 1, 2024 - Other No No - - - Unaddressed - -
Apr 1, 2024 Jun 30, 2024 MCL Yes No .01305 MG/L 0.010 mg/L - Resolved Jun 30, 2024 -
Apr 1, 2024 Jun 30, 2024 MCL Yes No .01305 MG/L 0.010 mg/L - Resolved Jun 30, 2024 -
Jan 1, 2024 - Other No No - - - Unaddressed - -
Jan 1, 2024 Mar 31, 2024 MCL Yes No .01323 MG/L 0.010 mg/L - Resolved Mar 31, 2024 -
Jan 1, 2024 Mar 31, 2024 MCL Yes No .01323 MG/L 0.010 mg/L - Resolved Mar 31, 2024 -
Oct 1, 2023 - Other No No - - - Unaddressed - -
Oct 1, 2023 Dec 31, 2023 MCL Yes No .0126 MG/L 0.010 mg/L - Resolved Dec 31, 2023 -
Oct 1, 2023 Dec 31, 2023 MCL Yes No .0126 MG/L 0.010 mg/L - Resolved Dec 31, 2023 -
Jan 1, 2022 Mar 31, 2022 MR No Yes - 0.010 mg/L - Resolved Mar 31, 2022 -
Jan 1, 2019 Mar 31, 2019 MR No Yes - 0.010 mg/L - Resolved Feb 12, 2019 -
Jan 1, 2019 Mar 31, 2019 MR No Yes - 0.010 mg/L - Resolved Feb 12, 2019 -
Jan 1, 2019 Mar 31, 2019 MR No Yes - 0.010 mg/L - Resolved Feb 12, 2019 -
Jan 1, 2017 Mar 31, 2017 MCL Yes No .0106 MG/L 0.010 mg/L - Resolved Mar 31, 2017 -
Jan 1, 2017 Mar 31, 2017 MCL Yes No .0106 MG/L 0.010 mg/L - Resolved Mar 31, 2017 -
Jan 1, 2017 Mar 31, 2017 MCL Yes No .0106 MG/L 0.010 mg/L - Resolved Mar 31, 2017 -
Jan 1, 2017 - Other No No - - - Resolved May 19, 2017 -
Apr 1, 2016 - Other No No - - - Resolved Mar 7, 2025 -
Apr 1, 2016 - Other No No - - - Resolved Mar 7, 2025 -
Oct 1, 2015 Dec 31, 2015 MCL Yes No .0105 MG/L 0.010 mg/L - Resolved Dec 31, 2015 -
Oct 1, 2015 Dec 31, 2015 MCL Yes No .0105 MG/L 0.010 mg/L - Resolved Dec 31, 2015 -
Oct 1, 2015 Dec 31, 2015 MCL Yes No .0105 MG/L 0.010 mg/L - Resolved Dec 31, 2015 -
Jul 1, 2014 - Other No No - - - Resolved Jun 5, 2014 -
Jul 1, 2014 - Other No No - - - Resolved Jun 5, 2014 -
Jul 1, 2014 Sep 30, 2014 MCL Yes No .0109 MG/L 0.010 mg/L - Resolved Sep 30, 2014 -
Jul 1, 2014 Sep 30, 2014 MCL Yes No .0109 MG/L 0.010 mg/L - Resolved Sep 30, 2014 -
Apr 1, 2014 Jun 30, 2014 MCL Yes No .0122 MG/L 0.010 mg/L - Resolved Jun 30, 2014 -
Apr 1, 2014 Jun 30, 2014 MCL Yes No .0122 MG/L 0.010 mg/L - Resolved Jun 30, 2014 -
Apr 1, 2014 - Other No No - - - Resolved Nov 17, 2014 -
Apr 1, 2014 - Other No No - - - Resolved Nov 17, 2014 -
Jan 1, 2014 - Other No No - - - Resolved Nov 17, 2014 -
Jan 1, 2014 - Other No No - - - Resolved Nov 17, 2014 -
Jan 1, 2014 Mar 31, 2014 MCL Yes No .01256 MG/L 0.010 mg/L - Resolved Mar 31, 2014 -
Jan 1, 2014 Mar 31, 2014 MCL Yes No .01256 MG/L 0.010 mg/L - Resolved Mar 31, 2014 -
Oct 1, 2013 - Other No No - - - Resolved Nov 17, 2014 -
Oct 1, 2013 - MR No Yes - - - Resolved Feb 10, 2025 -
Oct 1, 2013 Dec 31, 2013 MCL Yes No .01329 MG/L 0.010 mg/L - Resolved Dec 31, 2013 -
Oct 1, 2013 Dec 31, 2013 MCL Yes No .01329 MG/L 0.010 mg/L - Resolved Dec 31, 2013 -
Oct 1, 2013 Dec 31, 2013 MCL Yes No .01329 MG/L 0.010 mg/L - Resolved Dec 31, 2013 -
Oct 1, 2013 - MR No Yes - - - Resolved Feb 10, 2025 -
Oct 1, 2013 - MR No Yes - - - Resolved Feb 10, 2025 -
Oct 1, 2013 - Other No No - - - Resolved Nov 17, 2014 -
Jul 1, 2013 Sep 30, 2013 MCL Yes No .01523 MG/L 0.010 mg/L - Resolved Sep 30, 2013 -
Jul 1, 2013 Sep 30, 2013 MCL Yes No .01523 MG/L 0.010 mg/L - Resolved Sep 30, 2013 -
Apr 1, 2013 Jun 30, 2013 MCL Yes No .01568 MG/L 0.010 mg/L - Resolved Jun 30, 2013 -

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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