Drinking Water Compliance OS

Fort Defiance, NN

Gap-Cedar Ridge NTUA 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)
NN0403009
System type
Community Water System
Population served
1,125
Service connections
329
Ownership
Native American tribal
Water source
groundwater (wells)

Violation history

  • Monitoring, Routine (IDSE)

    —

    TTHM

    January 1, 2020 – December 31, 2020

    Resolved

  • Monitoring, Routine (IDSE)

    —

    Total Haloacetic Acids (HAA5)

    January 1, 2020 – December 31, 2020

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Picloram

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    ETHYLENE DIBROMIDE

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Toxaphene

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Dalapon

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    2,3,7,8-TCDD

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Endothall

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Simazine

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2013 – December 31, 2013

    Resolved

  • Monitoring, Routine Minor (TCR)

    —

    Coliform (TCR)

    November 1, 2011 – November 30, 2011

    Resolved

  • Monitoring, Repeat Major (TCR)

    —

    Coliform (TCR)

    August 1, 2002 – August 31, 2002

    Resolved

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2002 – July 1, 2004

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Toxaphene

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Endothall

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    2,3,7,8-TCDD

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    ETHYLENE DIBROMIDE

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Chlordane

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 2001 – December 31, 2001

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

Navajo Tribal Utility Authority

9287296239

Fort Defiance, AZ 86504-0170