Fort Defiance, 09

White Mesa - NTUA Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of July 25, 2018. 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 09.

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 EPA Region 9’s official records. Always confirm current status with EPA Region 9 before making decisions based on this information.

System facts

System ID (PWSID): 090400209
System type: Community Water System
Population served: 376
Service connections: 98
Ownership: Native American tribal
Water source: groundwater (wells)

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2017 – July 25, 2018
Archived
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2015 – November 14, 2015
Resolved
Monitoring, Routine (IDSE)
—
TTHM
October 1, 2015 – November 14, 2015
Resolved
Monitoring, Routine (IDSE)
—
Total Haloacetic Acids (HAA5)
April 1, 2015 – June 30, 2015
Resolved
Monitoring, Routine (IDSE)
—
TTHM
April 1, 2015 – June 30, 2015
Resolved
Monitoring, Routine (IDSE)
—
Total Haloacetic Acids (HAA5)
January 1, 2015 – March 31, 2015
Resolved
Monitoring, Routine (IDSE)
—
TTHM
January 1, 2015 – March 31, 2015
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2015 – May 20, 2016
Resolved
Monitoring, Routine (IDSE)
—
TTHM
October 1, 2014 – December 31, 2014
Resolved
Monitoring, Routine (IDSE)
—
Total Haloacetic Acids (HAA5)
October 1, 2014 – December 31, 2014
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
July 1, 2014 – May 20, 2016
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2014 – May 20, 2016
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
July 1, 2013 – May 20, 2016
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2013 – December 31, 2013
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2012 – December 31, 2012
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2012 – May 20, 2016
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Chromium
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Selenium
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Barium
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Toluene
January 1, 2011 – December 31, 2013
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2011 – May 20, 2016
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Benzene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2008 – December 31, 2013
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2008 – December 31, 2010
Resolved

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

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2017 – July 25, 2018	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Archived
October 1, 2015 – November 14, 2015	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2015 – November 14, 2015	Monitoring, Routine (IDSE)	TTHM	—	Resolved
April 1, 2015 – June 30, 2015	Monitoring, Routine (IDSE)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2015 – June 30, 2015	Monitoring, Routine (IDSE)	TTHM	—	Resolved
January 1, 2015 – March 31, 2015	Monitoring, Routine (IDSE)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2015 – March 31, 2015	Monitoring, Routine (IDSE)	TTHM	—	Resolved
January 1, 2015 – May 20, 2016	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
October 1, 2014 – December 31, 2014	Monitoring, Routine (IDSE)	TTHM	—	Resolved
October 1, 2014 – December 31, 2014	Monitoring, Routine (IDSE)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2014 – May 20, 2016	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2014 – May 20, 2016	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2013 – May 20, 2016	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2013 – December 31, 2013	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2012 – May 20, 2016	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Chromium	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Selenium	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Barium	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Toluene	—	Resolved
January 1, 2011 – May 20, 2016	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Benzene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2008 – December 31, 2013	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Ethylbenzene	—	Resolved

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

Enforcement actions

August 8, 2016Federal Compliance achieved1 linked violation
August 8, 2016Federal Compliance achieved1 linked violation
August 8, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
May 20, 2016Federal Compliance achieved1 linked violation
November 23, 2015Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
November 14, 2015Federal Compliance achieved1 linked violation
November 14, 2015Federal Compliance achieved1 linked violation
June 4, 2014Federal Compliance achieved1 linked violation
June 4, 2014Federal Compliance achieved1 linked violation
March 17, 2014Federal Compliance achieved1 linked violation
March 17, 2014Federal Compliance achieved1 linked violation
March 17, 2014Federal Compliance achieved1 linked violation
March 17, 2014Federal Compliance achieved1 linked violation
March 17, 2014Federal Compliance achieved1 linked violation
March 17, 2014Federal Compliance achieved1 linked violation
March 17, 2014Federal Compliance achieved1 linked violation
March 17, 2014Federal Compliance achieved1 linked violation
March 17, 2014Federal Compliance achieved1 linked violation
March 17, 2014Federal Compliance achieved1 linked violation
May 8, 2013Federal Compliance achieved1 linked violation
May 8, 2013Federal Compliance achieved1 linked violation
May 8, 2013Federal Compliance achieved1 linked violation
May 8, 2013Federal Compliance achieved1 linked violation
January 30, 2012Federal Compliance achieved1 linked violation
January 30, 2012Federal Compliance achieved1 linked violation
January 30, 2012Federal Compliance achieved1 linked violation
January 30, 2012Federal Compliance achieved1 linked violation
January 30, 2012Federal Compliance achieved1 linked violation
January 30, 2012Federal Compliance achieved1 linked violation
January 30, 2012Federal Compliance achieved1 linked violation
January 30, 2012Federal Compliance achieved1 linked violation
January 30, 2012Federal Compliance achieved1 linked violation
January 30, 2012Federal Compliance achieved1 linked violation
January 30, 2012Federal Compliance achieved1 linked violation
January 30, 2012Federal Compliance achieved1 linked violation
January 30, 2012Federal Compliance achieved1 linked violation
January 30, 2012Federal Compliance achieved1 linked violation
January 30, 2012Federal Compliance achieved1 linked violation
January 30, 2012Federal Compliance achieved1 linked violation
January 30, 2012Federal Compliance achieved1 linked violation
January 30, 2012Federal Compliance achieved1 linked violation
January 30, 2012Federal Compliance achieved1 linked violation
January 30, 2012Federal Compliance achieved1 linked violation
January 30, 2012Federal Compliance achieved1 linked violation
January 30, 2012Federal Compliance achieved1 linked violation
January 30, 2012Federal Compliance achieved1 linked violation
March 9, 2011Federal Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record

Last known contact on file (system is inactive)

NTUA

9287295721

Fort Defiance, AZ 86504