Ft Defiance, NN

Long House Valley NTUA Water System

Current status

2 items on record are 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): NN0400825
System type: Community Water System
Population served: 277
Service connections: 81
Ownership: Native American tribal
Water source: groundwater (wells)

Violation history

Monitoring, Routine (IDSE)
—
Total Haloacetic Acids (HAA5)
October 1, 2020 – December 31, 2020
Resolved
Monitoring, Routine (IDSE)
—
TTHM
October 1, 2020 – December 31, 2020
Resolved
Monitoring, Routine (IDSE)
—
TTHM
July 1, 2020 – September 30, 2020
Resolved
Monitoring, Routine (IDSE)
—
Total Haloacetic Acids (HAA5)
July 1, 2020 – September 30, 2020
Resolved
Monitoring, Routine (IDSE)
—
TTHM
April 1, 2020 – June 30, 2020
Resolved
Monitoring, Routine (IDSE)
—
Total Haloacetic Acids (HAA5)
April 1, 2020 – June 30, 2020
Resolved
Monitoring, Routine (IDSE)
—
Total Haloacetic Acids (HAA5)
January 1, 2020 – March 31, 2020
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2020 – May 11, 2020
Resolved
Monitoring, Routine (IDSE)
—
TTHM
January 1, 2020 – March 31, 2020
Resolved
Monitoring, Routine (IDSE)
—
Total Haloacetic Acids (HAA5)
October 1, 2019 – December 31, 2019
Resolved
Monitoring, Routine (IDSE)
—
TTHM
October 1, 2019 – December 31, 2019
Resolved
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
Unaddressed

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

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2020 – December 31, 2020	Monitoring, Routine (IDSE)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2020 – December 31, 2020	Monitoring, Routine (IDSE)	TTHM	—	Resolved
July 1, 2020 – September 30, 2020	Monitoring, Routine (IDSE)	TTHM	—	Resolved
July 1, 2020 – September 30, 2020	Monitoring, Routine (IDSE)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2020 – June 30, 2020	Monitoring, Routine (IDSE)	TTHM	—	Resolved
April 1, 2020 – June 30, 2020	Monitoring, Routine (IDSE)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2020 – March 31, 2020	Monitoring, Routine (IDSE)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2020 – May 11, 2020	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2020 – March 31, 2020	Monitoring, Routine (IDSE)	TTHM	—	Resolved
October 1, 2019 – December 31, 2019	Monitoring, Routine (IDSE)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2019 – December 31, 2019	Monitoring, Routine (IDSE)	TTHM	—	Resolved
April 1, 2016	Sample Siting Plan Errors (RTCR)	Revised Total Coliform Rule	—	Unaddressed
October 1, 2013	Failure Submit IDSE/Subpart V Plan Rpt	Stage 2 Disinfectants and Disinfection Byproducts Rule	—	Unaddressed

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

Enforcement actions

March 31, 2021State Formal Notice of Violation issued1 linked violation
March 31, 2021State Formal Notice of Violation issued1 linked violation
March 31, 2021State Formal Notice of Violation issued1 linked violation
March 31, 2021State Formal Notice of Violation issued1 linked violation
March 31, 2021State Public Notification issued1 linked violation
March 31, 2021State Public Notification issued1 linked violation
March 31, 2021State Public Notification issued1 linked violation
March 31, 2021State Public Notification issued1 linked violation
March 31, 2021State Public Notification issued1 linked violation
March 31, 2021State Formal Notice of Violation issued1 linked violation
February 16, 2021State Compliance achieved1 linked violation
February 16, 2021State Compliance achieved1 linked violation
February 16, 2021State Compliance achieved1 linked violation
February 16, 2021State Compliance achieved1 linked violation
February 16, 2021State Compliance achieved1 linked violation
February 16, 2021State Compliance achieved1 linked violation
February 16, 2021State Compliance achieved1 linked violation
February 16, 2021State Compliance achieved1 linked violation
February 16, 2021State Compliance achieved1 linked violation
February 16, 2021State Compliance achieved1 linked violation
August 26, 2020State Formal Notice of Violation issued1 linked violation
August 26, 2020State Formal Notice of Violation issued1 linked violation
August 26, 2020State Public Notification issued1 linked violation
August 26, 2020State Public Notification issued1 linked violation
August 20, 2020State Formal Notice of Violation issued1 linked violation
August 20, 2020State Formal Notice of Violation issued1 linked violation
August 20, 2020State Formal Notice of Violation issued1 linked violation
August 20, 2020State Formal Notice of Violation issued1 linked violation
July 15, 2020State Formal Notice of Violation issued1 linked violation
July 15, 2020State Formal Notice of Violation issued1 linked violation
July 15, 2020State Public Notification issued1 linked violation
July 15, 2020State Public Notification issued1 linked violation
May 11, 2020State Compliance achieved1 linked violation

Contact

Navajo Tribal Utility Authority

9287296277

Ft Defiance, AZ 86504