Drinking Water Compliance OS

Ft Defiance, NN

Baca-Haystack NTUA Water System

Current status

1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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)
NN3500254
System type
Community Water System
Population served
376
Service connections
110
Ownership
Native American tribal
Water source
groundwater (wells)

Violation history

  • Sample Siting Plan Errors (RTCR)

    Revised Total Coliform Rule

    April 1, 2016

    Unaddressed
  • Failure Submit IDSE/Subpart V Plan Rpt

    Stage 2 Disinfectants and Disinfection Byproducts Rule

    October 1, 2013 – July 16, 2019

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2012 – December 31, 2012

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 2012 – November 30, 2012

    Resolved
  • Monitoring, Regular

    Fluoride

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 2010 – June 30, 2010

    Resolved
  • Monitoring, Regular

    Nitrite

    January 1, 2010 – December 31, 2010

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2009 – January 25, 2011

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    January 1, 2009 – January 31, 2009

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 2008 – November 30, 2008

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 2008 – October 31, 2008

    Resolved
  • Monitoring, Regular

    Barium

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Mercury

    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

    Glyphosate

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Diquat

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    2,3,7,8-TCDD

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Endothall

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    CYANIDE

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2008 – March 15, 2010

    Resolved
  • Monitoring, Regular

    Antimony, Total

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Barium

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Cadmium

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Chromium

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Mercury

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Selenium

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Beryllium, Total

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Thallium, Total

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2004 – August 3, 2004

    Resolved
  • Monitoring, Regular

    Aldicarb sulfoxide

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Aldicarb sulfone

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Carbofuran

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Aldicarb

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    LASSO

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    2,3,7,8-TCDD

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    2,4-D

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Picloram

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Chlordane

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    OXAMYL

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Glyphosate

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Endothall

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Diquat

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Dalapon

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2004 – October 4, 2004

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2004 – October 4, 2004

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 2004 – October 20, 2004

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

    Lead and Copper Rule

    January 1, 2004 – September 23, 2003

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 2004 – October 20, 2004

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 2001 – October 31, 2001

    Resolved

Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Enforcement actions

Contact

Navajo Tribal Utility Authority

9287296277

Ft Defiance, AZ 86504