Drinking Water Compliance OS

Fort Defiance, 09

Gap / Cedar Ridge - NTUA Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of July 25, 2018. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in 09.

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 EPA Region 9’s official records. Always confirm current status with EPA Region 9 before making decisions based on this information.

System facts

System ID (PWSID)
090403009
System type
Community Water System
Population served
1,148
Service connections
299
Ownership
Native American tribal
Water source
groundwater (wells)

Violation history

  • Monitoring, Regular

    —

    OXAMYL

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Benzo(a)pyrene

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Diquat

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Chlordane

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Dinoseb

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Carbofuran

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Routine Minor (TCR)

    —

    Coliform (TCR)

    December 1, 2009 – December 31, 2009

    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, Routine Major (TCR)

    —

    Coliform (TCR)

    May 1, 2002 – May 31, 2002

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    CYANIDE

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Diquat

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Simazine

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Benzo(a)pyrene

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Xylenes, Total

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2001 – December 31, 2001

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Last known contact on file (system is inactive)

NTUA

9287295721

Fort Defiance, AZ 86504