Ft Defiance, NN

Leupp-Birdsprings-Tolani Lake 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): NN0403033
System type: Community Water System
Population served: 2,100
Service connections: 614
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
Treatment Technique, Level 1 Assessment (RTCR)
Health-based
Revised Total Coliform Rule
July 1, 2017 – August 9, 2017
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
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
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
July 1, 2012 – July 31, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Thallium, Total
October 1, 2010 – December 31, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Antimony, Total
October 1, 2010 – December 31, 2010
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2010 – December 31, 2010
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2010 – December 31, 2010
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2008 – July 31, 2008
Resolved
Monitoring, Regular
—
2,3,7,8-TCDD
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Endothall
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Diquat
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Mercury
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2003 – February 28, 2003
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2003 – February 28, 2003
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
June 30, 1996 – July 29, 1996
Resolved

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2020 – December 31, 2020	Monitoring, Routine (IDSE)	TTHM	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Routine (IDSE)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2017 – August 9, 2017	Treatment Technique, Level 1 Assessment (RTCR)	Revised Total Coliform Rule	Health-based	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
December 1, 2012 – December 31, 2012	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
November 1, 2012 – November 30, 2012	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2012 – July 31, 2012	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
October 1, 2010 – December 31, 2010	Maximum Contaminant Level Violation, Average	Thallium, Total	Health-based	Resolved
October 1, 2010 – December 31, 2010	Maximum Contaminant Level Violation, Average	Antimony, Total	Health-based	Resolved
January 1, 2010 – December 31, 2010	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2010 – December 31, 2010	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2008 – July 31, 2008	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	2,3,7,8-TCDD	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Endothall	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Diquat	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Mercury	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
February 1, 2003 – February 28, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
February 1, 2003 – February 28, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
June 30, 1996 – July 29, 1996	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

August 28, 2024State Formal Notice of Violation issued1 linked violation
August 8, 2022State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 23, 2021State Compliance achieved1 linked violation
August 23, 2021State Compliance achieved1 linked violation
March 31, 2021State Public Notification issuedgeneral compliance action — not tied to a specific violation on record
March 31, 2021State Formal Notice of Violation issued1 linked violation
March 31, 2021State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
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
August 25, 2017State Formal Notice of Violation issued1 linked violation
August 25, 2017State Public Notification issued1 linked violation
August 9, 2017State Compliance achieved1 linked violation
January 11, 2013State Formal Notice of Violation issued1 linked violation
January 11, 2013State Compliance achieved1 linked violation
December 11, 2012State Compliance achieved1 linked violation
November 20, 2012State Compliance achieved1 linked violation
November 2, 2012State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 2, 2012State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 2, 2012State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 2, 2012State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 2, 2012State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
February 21, 2012State Other1 linked violation
February 21, 2012State Compliance achieved1 linked violation
February 21, 2012State Compliance achieved1 linked violation
February 21, 2012State Other1 linked violation
November 16, 2011State Public Notification issued1 linked violation
November 16, 2011State Formal Notice of Violation issued1 linked violation
November 16, 2011State Formal Notice of Violation issued1 linked violation
November 16, 2011State Formal Notice of Violation issued1 linked violation
November 16, 2011State Formal Notice of Violation issued1 linked violation
November 16, 2011State Formal Notice of Violation issued1 linked violation
November 16, 2011State Formal Notice of Violation issued1 linked violation
November 16, 2011State Public Notification issued1 linked violation
November 16, 2011State Public Notification issued1 linked violation
November 16, 2011State Public Notification issued1 linked violation
November 16, 2011State Public Notification issued1 linked violation
November 16, 2011State Public Notification issued1 linked violation
November 16, 2011State Compliance achieved1 linked violation
November 16, 2011State Compliance achieved1 linked violation
September 12, 2011State Compliance achieved1 linked violation
September 12, 2011State Compliance achieved1 linked violation
September 12, 2011State Compliance achieved1 linked violation
September 12, 2011State Compliance achieved1 linked violation
September 12, 2011State Compliance achieved1 linked violation
September 12, 2011State Compliance achieved1 linked violation
July 20, 2010State Formal Notice of Violation issued1 linked violation
July 20, 2010State Public Notification requested1 linked violation
August 8, 2008State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
August 8, 2008State Compliance achieved1 linked violation
March 16, 2007State Compliance achieved1 linked violation
November 13, 2006State Compliance achieved1 linked violation
July 6, 2005State Violation/Reminder Notice1 linked violation
December 5, 2000State Compliance achieved1 linked violation

Contact

Navajo Tribal Utility Authority

9287296277

Ft Defiance, AZ 86504