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Montezuma Creek NTUA

Arizona — Community Water System — PWSID: NN4903018

System Information

PWSIDNN4903018
System NameMontezuma Creek 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 Served424
Service Connections124

Drinking Water Violations (130)

This water system has 130 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, 2022 Mar 31, 2022 Arsenic MR No Yes — 0.010 mg/L — Resolved Mar 31, 2022 Arsenic Rule
Oct 1, 2021 Dec 31, 2021 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 31, 2021 Arsenic Rule
Apr 1, 2021 Jun 30, 2021 Arsenic MR No Yes — 0.010 mg/L — Resolved Jun 30, 2021 Arsenic Rule
Apr 1, 2019 Jun 30, 2019 Arsenic MR No Yes — 0.010 mg/L — Resolved Feb 12, 2019 Arsenic Rule
Jan 1, 2019 Mar 31, 2019 Arsenic MR No Yes — 0.010 mg/L — Resolved Feb 12, 2019 Arsenic Rule
Apr 1, 2016 — Revised Total Coliform Rule Other No No — — — Resolved Mar 7, 2025 Revised Total Coliform Rule
Apr 1, 2016 — Revised Total Coliform Rule Other No No — — — Resolved Mar 7, 2025 Revised Total Coliform Rule
Oct 1, 2015 Dec 31, 2015 Arsenic MCL Yes No .0115 MG/L 0.010 mg/L — Resolved Dec 1, 2014 Arsenic Rule
Oct 1, 2015 Dec 31, 2015 Arsenic MCL Yes No .0115 MG/L 0.010 mg/L — Resolved Dec 1, 2014 Arsenic Rule
Oct 1, 2015 Dec 31, 2015 Arsenic MCL Yes No .0115 MG/L 0.010 mg/L — Resolved Dec 1, 2014 Arsenic Rule
Aug 1, 2015 Aug 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2015 Total Coliform Rule
Aug 1, 2015 Aug 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2015 Total Coliform Rule
Aug 1, 2015 Aug 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2015 Total Coliform Rule
Aug 1, 2015 Aug 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2015 Total Coliform Rule
Jul 1, 2015 — Public Notice Other No No — — — Resolved Mar 17, 2016 Public Notice Rule and Revised PN Rule
Jul 1, 2015 — Public Notice Other No No — — — Resolved Mar 17, 2016 Public Notice Rule and Revised PN Rule
Jul 1, 2015 Sep 30, 2015 Arsenic MCL Yes No .0233 MG/L 0.010 mg/L — Resolved Dec 1, 2014 Arsenic Rule
Jul 1, 2015 Sep 30, 2015 Arsenic MCL Yes No .0233 MG/L 0.010 mg/L — Resolved Dec 1, 2014 Arsenic Rule
Apr 1, 2015 Jun 30, 2015 Arsenic MR No Yes — 0.010 mg/L — Resolved May 9, 2013 Arsenic Rule
Apr 1, 2015 Jun 30, 2015 Arsenic MR No Yes — 0.010 mg/L — Resolved May 9, 2013 Arsenic Rule
Jan 1, 2015 Mar 31, 2015 Arsenic MCL Yes No .0233 MG/L 0.010 mg/L — Resolved Dec 1, 2014 Arsenic Rule
Jan 1, 2015 Mar 31, 2015 Arsenic MCL Yes No .0233 MG/L 0.010 mg/L — Resolved Dec 1, 2014 Arsenic Rule
Oct 1, 2014 Dec 31, 2014 Arsenic MCL Yes No .02328 MG/L 0.010 mg/L — Resolved Dec 1, 2014 Arsenic Rule
Oct 1, 2014 Dec 31, 2014 Arsenic MCL Yes No .02328 MG/L 0.010 mg/L — Resolved Dec 1, 2014 Arsenic Rule
Oct 1, 2014 Dec 31, 2014 Arsenic MCL Yes No .02328 MG/L 0.010 mg/L — Resolved Dec 1, 2014 Arsenic Rule
Oct 1, 2014 Dec 31, 2014 Arsenic MCL Yes No .02328 MG/L 0.010 mg/L — Resolved Dec 1, 2014 Arsenic Rule
Jul 1, 2014 Sep 30, 2014 Arsenic MR No Yes — 0.010 mg/L — Resolved Aug 5, 2014 Arsenic Rule
Jul 1, 2014 Sep 30, 2014 Arsenic MR No Yes — 0.010 mg/L — Resolved Aug 5, 2014 Arsenic Rule
Jul 1, 2014 Sep 30, 2014 Arsenic MCL Yes No .0183 MG/L 0.010 mg/L — Resolved Sep 30, 2014 Arsenic Rule
Jul 1, 2014 Sep 30, 2014 Arsenic MCL Yes No .0183 MG/L 0.010 mg/L — Resolved Sep 30, 2014 Arsenic Rule
Apr 1, 2014 Jun 30, 2014 Arsenic MCL Yes No .0175 MG/L 0.010 mg/L — Resolved Jun 30, 2014 Arsenic Rule
Apr 1, 2014 Jun 30, 2014 Arsenic MCL Yes No .0175 MG/L 0.010 mg/L — Resolved Jun 30, 2014 Arsenic Rule
Apr 1, 2014 Jun 30, 2014 Arsenic MCL Yes No .0175 MG/L 0.010 mg/L — Resolved Jun 30, 2014 Arsenic Rule
Jan 1, 2014 — Public Notice Other No No — — — Resolved Oct 1, 2014 Public Notice Rule and Revised PN Rule
Jan 1, 2014 — Public Notice Other No No — — — Resolved Oct 1, 2014 Public Notice Rule and Revised PN Rule
Jan 1, 2014 Mar 31, 2014 Arsenic MCL Yes No .0166 MG/L 0.010 mg/L — Resolved Mar 31, 2014 Arsenic Rule
Jan 1, 2014 Mar 31, 2014 Arsenic MCL Yes No .0166 MG/L 0.010 mg/L — Resolved Mar 31, 2014 Arsenic Rule
Jan 1, 2014 Mar 31, 2014 Arsenic MCL Yes No .0166 MG/L 0.010 mg/L — Resolved Mar 31, 2014 Arsenic Rule
Oct 1, 2013 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No Yes — — — Resolved Feb 23, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2013 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No Yes — — — Resolved Feb 23, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2013 Dec 31, 2013 Arsenic MCL Yes No .02085 MG/L 0.010 mg/L — Resolved Dec 31, 2013 Arsenic Rule
Oct 1, 2013 Dec 31, 2013 Arsenic MCL Yes No .02085 MG/L 0.010 mg/L — Resolved Dec 31, 2013 Arsenic Rule
Oct 1, 2013 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No Yes — — — Resolved Feb 23, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2013 Sep 30, 2013 Arsenic MCL Yes No .02618 MG/L 0.010 mg/L — Resolved Sep 30, 2013 Arsenic Rule
Jul 1, 2013 Sep 30, 2013 Arsenic MCL Yes No .02618 MG/L 0.010 mg/L — Resolved Sep 30, 2013 Arsenic Rule
Jul 1, 2013 Sep 30, 2013 Arsenic MCL Yes No .02618 MG/L 0.010 mg/L — Resolved Sep 30, 2013 Arsenic Rule
Apr 1, 2013 Jun 30, 2013 Arsenic MCL Yes No .02435 MG/L 0.010 mg/L — Resolved Jun 30, 2013 Arsenic Rule
Apr 1, 2013 Jun 30, 2013 Arsenic MCL Yes No .02435 MG/L 0.010 mg/L — Resolved Jun 30, 2013 Arsenic Rule
Apr 1, 2013 Jun 30, 2013 Arsenic MCL Yes No .02435 MG/L 0.010 mg/L — Resolved Jun 30, 2013 Arsenic Rule
Jan 1, 2013 Mar 31, 2013 Arsenic MCL Yes No .02325 MG/L 0.010 mg/L — Resolved Mar 31, 2013 Arsenic Rule

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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