Drinking Water Compliance OS

Ft. Defiance, NN

Shiprock-Rattlesnake-Cudei-Beclabito NTUA Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of December 31, 2007. 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 NN.

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)
NN3500248
System type
Community Water System
Population served
9,975
Service connections
2,696
Ownership
Native American tribal
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    December 1, 2006 – December 31, 2006

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 2004 – August 31, 2004

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    January 1, 2004 – December 31, 2004

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

    Lead and Copper Rule

    January 1, 2004 – September 15, 2004

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    October 1, 2002 – October 31, 2002

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    October 1, 2002 – October 31, 2002

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    March 1, 2002 – March 31, 2002

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    January 1, 2002 – January 31, 2002

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    December 5, 1996 – January 4, 1997

    Archived

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

Last known contact on file (system is inactive)

Navajo Tribal Utility Authority

9287296239

Ft. Defiance, AZ 86504-0170