Public Water Partners

Ft Defiance, NN

LeChee NTUA Water System

Consumer Confidence Report status

LeChee NTUA must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show 1 item for LeChee NTUA that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
NN0403006
System type
Community Water System
Population served
1,115
Service connections
326
Ownership
Native American tribal
Water source
surface water (rivers, lakes, or reservoirs)

LeChee NTUA is one of 77 community water systems in Navajo Nation in the 501 to 3,300 people size category, serving 1,115 people from surface water.

As of August 1, 2026, its federal record holds 78 entries between 2004 and 2024, of which 1 remains open; none are health-based.

Of the 78, 73 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves synthetic organic chemicals, volatile organic chemicals, and inorganic chemicals.

Violation history

  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2024 – June 30, 2024

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    April 1, 2024

    Unaddressed
  • Monitoring, Routine (IDSE)

    Total Haloacetic Acids (HAA5)

    April 1, 2015 – May 11, 2015

    Resolved
  • Monitoring, Routine (IDSE)

    TTHM

    April 1, 2015 – May 11, 2015

    Resolved
  • Monitoring, Routine (IDSE)

    TTHM

    October 1, 2014 – November 10, 2014

    Resolved
  • Monitoring, Routine (IDSE)

    Total Haloacetic Acids (HAA5)

    October 1, 2014 – November 10, 2014

    Resolved
  • Monitoring, Routine (IDSE)

    TTHM

    April 1, 2014 – February 10, 2014

    Resolved
  • Monitoring, Routine (IDSE)

    Total Haloacetic Acids (HAA5)

    April 1, 2014 – February 10, 2014

    Resolved
  • Failure Submit IDSE/Subpart V Plan Rpt

    Stage 2 Disinfectants and Disinfection Byproducts Rule

    October 1, 2013 – March 6, 2025

    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
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    February 1, 2010 – February 28, 2010

    Resolved
  • Monitoring, Regular

    Nitrite

    January 1, 2010 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2010 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Dalapon

    January 1, 2008 – December 31, 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 31, 2010

    Resolved
  • Monitoring, Regular

    OXAMYL

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Picloram

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Carbofuran

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    LASSO

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    2,3,7,8-TCDD

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    2,4-D

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 2008 – December 31, 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 31, 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

    Toluene

    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

    Thallium, Total

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Barium

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Beryllium, Total

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Antimony, Total

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Selenium

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Mercury

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Fluoride

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    CYANIDE

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Chromium

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Cadmium

    January 1, 2008 – December 31, 2010

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    September 1, 2004 – September 30, 2004

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 2004 – August 31, 2004

    Resolved

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Enforcement actions

Common questions

Is LeChee NTUA required to publish a Consumer Confidence Report?

Yes. LeChee NTUA is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is LeChee NTUA’s next Consumer Confidence Report due?

LeChee NTUA’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does LeChee NTUA have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show 1 item for LeChee NTUA that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

Navajo Tribal Utility Authority

9287296277

Ft Defiance, AZ 86504