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Upper Moenkopi

Arizona — Community Water System — PWSID: 090400104

System Information

PWSID090400104
System NameUpper Moenkopi
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
CityTuba City
ZIP Code86045
AddressPO Box 1469
OrganizationUpper Village of Moenkopi
Phone9286061626

Population & Service

Population Served1,740
Service Connections226

Drinking Water Violations (364)

This water system has 364 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
Oct 1, 2024 Dec 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Archived Dec 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Archived Dec 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Dec 31, 2023 TTHM MR No Yes — 0.080 mg/L — Archived Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Dec 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Archived Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Mar 31, 2016 Toluene MR No Yes — 1 mg/L — Resolved Mar 31, 2016 Volatile Organic Chemicals
Aug 1, 2015 Aug 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2015 Total Coliform Rule
Jul 1, 2015 Sep 30, 2015 Toluene MR No Yes — 1 mg/L — Resolved Sep 30, 2015 Volatile Organic Chemicals
Jul 1, 2015 Sep 30, 2015 Gross Beta Particle Activity MR No Yes — 4 mrem/yr — Resolved Sep 30, 2015 Radionuclides and Revised Rad Rule
Jun 1, 2015 Jun 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2015 Total Coliform Rule
Apr 1, 2015 Apr 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2015 Total Coliform Rule
Mar 1, 2015 Mar 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2015 Total Coliform Rule
Jan 1, 2015 Mar 31, 2015 Gross Beta Particle Activity MR No Yes — 4 mrem/yr — Resolved Mar 31, 2015 Radionuclides and Revised Rad Rule
Jan 1, 2015 Mar 31, 2015 Toluene MR No Yes — 1 mg/L — Resolved Mar 31, 2015 Volatile Organic Chemicals
Jan 1, 2015 Dec 31, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Dec 31, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Jan 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2015 Total Coliform Rule
Aug 1, 2014 Aug 31, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2014 Total Coliform Rule
Jul 1, 2014 Sep 30, 2014 Gross Beta Particle Activity MR No Yes — 4 mrem/yr — Resolved Sep 30, 2014 Radionuclides and Revised Rad Rule
Jul 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Apr 21, 2015 Consumer Confidence Rule
Apr 1, 2014 Jun 30, 2014 Gross Beta Particle Activity MR No Yes — 4 mrem/yr — Resolved Jun 30, 2014 Radionuclides and Revised Rad Rule
Mar 1, 2014 Mar 31, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2014 Total Coliform Rule
Jan 1, 2014 Mar 31, 2014 Gross Beta Particle Activity MR No Yes — 4 mrem/yr — Resolved Mar 31, 2014 Radionuclides and Revised Rad Rule
Jan 1, 2014 Dec 31, 2014 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2016 2,3,7,8-TCDD MR No Yes — 0.00000003 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2014 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2014 Nitrate Rule
Jan 1, 2014 Dec 31, 2014 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Sep 1, 2013 Sep 30, 2013 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2013 Total Coliform Rule
Aug 1, 2013 Aug 31, 2013 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2013 Total Coliform Rule
Jul 1, 2013 Sep 30, 2013 Gross Beta Particle Activity MCL Yes No 37.5 MREMY 4 mrem/yr — Resolved Sep 30, 2013 Radionuclides and Revised Rad Rule
Jul 1, 2013 — Consumer Confidence Rule Other No No — — — Resolved Jan 22, 2014 Consumer Confidence Rule
Jan 1, 2013 Mar 31, 2013 Gross Beta Particle Activity MR No Yes — 4 mrem/yr — Resolved Mar 31, 2013 Radionuclides and Revised Rad 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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