Drinking Water Compliance OS

Blanding, NN

Monument Valley Utah Schools Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Navajo Nation’s official records. Always confirm current status with Navajo Nation before making decisions based on this information.

System facts

System ID (PWSID)
NN4900227
System type
Community Water System
Population served
700
Service connections
42
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2024 – July 10, 2025

    Resolved
  • Report Sample Result/Fail Monitor (RTCR)

    Revised Total Coliform Rule

    October 1, 2022 – November 22, 2022

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2021 – May 26, 2021

    Resolved
  • Treatment Technique, Level 1 Assessment (RTCR)

    Health-based

    Revised Total Coliform Rule

    June 1, 2017 – December 5, 2017

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    June 1, 2017 – December 5, 2017

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    June 1, 2017 – June 12, 2017

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 2014 – April 30, 2014

    Resolved
  • Monitoring, Regular

    Nitrite

    January 1, 2014 – December 31, 2014

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 2013 – July 31, 2013

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    June 1, 2013 – June 30, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2012 – September 12, 2012

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 2012 – May 31, 2012

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    July 1, 2011 – July 31, 2011

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2011 – September 7, 2012

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    July 1, 2011 – August 31, 2011

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    July 1, 2011 – July 31, 2011

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2010 – September 7, 2012

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 2010 – May 31, 2010

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2010 – December 14, 2010

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 2009 – October 31, 2009

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    September 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    August 1, 2009 – August 31, 2009

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2009 – September 7, 2012

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 2009 – June 30, 2009

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2008 – December 31, 2008

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 2008 – August 31, 2008

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2008 – September 7, 2012

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 2008 – December 14, 2010

    Resolved
  • Monitoring, Regular

    LASSO

    January 1, 2008 – December 14, 2010

    Resolved
  • Monitoring, Regular

    2,3,7,8-TCDD

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 2008 – December 14, 2010

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 2008 – December 14, 2010

    Resolved
  • Monitoring, Regular

    2,4-D

    January 1, 2008 – December 14, 2010

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 2008 – December 14, 2010

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    January 1, 2008 – December 14, 2010

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    January 1, 2008 – December 14, 2010

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 2008 – December 14, 2010

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Chlordane

    January 1, 2008 – December 14, 2010

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Barium

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Cadmium

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Chromium

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    CYANIDE

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Fluoride

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Mercury

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Selenium

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Antimony, Total

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Beryllium, Total

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Thallium, Total

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 2008 – December 14, 2010

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 2008 – December 14, 2010

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 2008 – December 14, 2010

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 2008 – December 14, 2010

    Resolved
  • Monitoring, Regular

    Dalapon

    January 1, 2008 – December 14, 2010

    Resolved
  • Monitoring, Regular

    Diquat

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Endothall

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Glyphosate

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    January 1, 2008 – December 14, 2010

    Resolved
  • Monitoring, Regular

    OXAMYL

    January 1, 2008 – December 14, 2010

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 2008 – December 14, 2010

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 2008 – December 14, 2010

    Resolved
  • Monitoring, Regular

    Picloram

    January 1, 2008 – December 14, 2010

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 2008 – December 14, 2010

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 2008 – December 14, 2010

    Resolved
  • Monitoring, Regular

    Carbofuran

    January 1, 2008 – December 14, 2010

    Resolved
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    January 1, 2008 – September 1, 2011

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2006 – August 31, 2006

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 2006 – July 31, 2006

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 2006 – June 30, 2006

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 2006 – May 31, 2006

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 2006 – April 30, 2006

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Combined Uranium

    January 1, 2005 – December 26, 2007

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    January 1, 2005 – December 26, 2007

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    January 1, 2005 – December 26, 2007

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

Monument Valley (UT) High School

4356781200

Blanding, UT 84511