Ft Defiance, NN

Oak Springs NTUA (south of Hunters Point) Water System

Current status

No open violations on record as of July 4, 2026.

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): NN0403015
System type: Community Water System
Population served: 390
Service connections: 114
Ownership: Native American tribal
Water source: groundwater (wells)

Violation history

Sample Siting Plan Errors (RTCR)
—
Revised Total Coliform Rule
April 1, 2016 – September 30, 2025
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2015 – July 31, 2015
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2015 – April 30, 2015
Resolved
Failure Submit IDSE/Subpart V Plan Rpt
—
Stage 2 Disinfectants and Disinfection Byproducts Rule
October 1, 2013 – February 18, 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
Monitoring, Regular
—
Nitrite
January 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2005 – December 31, 2010
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2005 – December 31, 2010
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2005 – December 31, 2010
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2005 – December 31, 2010
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2005 – December 31, 2010
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2005 – December 31, 2010
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2005 – December 31, 2010
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2005 – December 31, 2010
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2005 – December 31, 2010
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2005 – December 31, 2010
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2005 – December 31, 2010
Resolved
Monitoring, Regular
—
Benzene
January 1, 2005 – December 31, 2010
Resolved
Monitoring, Regular
—
Toluene
January 1, 2005 – December 31, 2010
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2005 – December 31, 2010
Resolved
Monitoring, Regular
—
Styrene
January 1, 2005 – December 31, 2010
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2005 – December 31, 2010
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2005 – December 31, 2010
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2005 – December 31, 2010
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2005 – December 31, 2010
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2005 – December 31, 2010
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2005 – December 31, 2010
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2004 – December 31, 2004
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
April 1, 2016 – September 30, 2025	Sample Siting Plan Errors (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2015 – July 31, 2015	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
April 1, 2015 – April 30, 2015	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2013 – February 18, 2025	Failure Submit IDSE/Subpart V Plan Rpt	Stage 2 Disinfectants and Disinfection Byproducts Rule	—	Resolved
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
January 1, 2010 – December 31, 2010	Monitoring, Regular	Nitrite	—	Resolved
January 1, 2005 – December 31, 2010	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2005 – December 31, 2010	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2005 – December 31, 2010	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2005 – December 31, 2010	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2005 – December 31, 2010	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2005 – December 31, 2010	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2005 – December 31, 2010	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2005 – December 31, 2010	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2005 – December 31, 2010	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2005 – December 31, 2010	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2005 – December 31, 2010	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2005 – December 31, 2010	Monitoring, Regular	Benzene	—	Resolved
January 1, 2005 – December 31, 2010	Monitoring, Regular	Toluene	—	Resolved
January 1, 2005 – December 31, 2010	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2005 – December 31, 2010	Monitoring, Regular	Styrene	—	Resolved
January 1, 2005 – December 31, 2010	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2005 – December 31, 2010	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2005 – December 31, 2010	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2005 – December 31, 2010	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2005 – December 31, 2010	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2005 – December 31, 2010	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

September 30, 2025State Compliance achieved1 linked violation
April 25, 2025State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
April 25, 2025State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
February 18, 2025State Compliance achieved1 linked violation
August 28, 2024State Formal Notice of Violation issued1 linked violation
August 25, 2017State Formal Notice of Violation issued1 linked violation
August 25, 2017State Public Notification issued1 linked violation
December 2, 2015State Public Notification issued1 linked violation
December 2, 2015State Formal Notice of Violation issued1 linked violation
August 21, 2015State Compliance achieved1 linked violation
August 20, 2015State Public Notification issued1 linked violation
August 20, 2015State Formal Notice of Violation issued1 linked violation
August 1, 2015State 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 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 Compliance achieved1 linked violation
February 21, 2012State Compliance achieved1 linked violation
February 21, 2012State Compliance achieved1 linked violation
February 21, 2012State Compliance achieved1 linked violation
February 21, 2012State Compliance achieved1 linked violation
February 21, 2012State Compliance achieved1 linked violation
February 21, 2012State Compliance achieved1 linked violation
February 21, 2012State Compliance achieved1 linked violation
February 21, 2012State Compliance achieved1 linked violation
February 21, 2012State Compliance achieved1 linked violation
February 21, 2012State Compliance achieved1 linked violation
February 21, 2012State Compliance achieved1 linked violation
February 21, 2012State Compliance achieved1 linked violation
February 21, 2012State Compliance achieved1 linked violation
February 21, 2012State Compliance achieved1 linked violation
February 21, 2012State Compliance achieved1 linked violation
February 21, 2012State Compliance achieved1 linked violation
February 21, 2012State Compliance achieved1 linked violation
February 21, 2012State Compliance achieved1 linked violation
February 21, 2012State Compliance achieved1 linked violation
February 21, 2012State Compliance achieved1 linked violation
October 21, 2011State Compliance achieved1 linked violation
November 9, 2005State Compliance achieved1 linked violation

Contact

Navajo Tribal Utility Authority

9287296277

Ft Defiance, AZ 86504