Fort Defiance, 09

Tuba City Community - 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): 090400206
System type: Community Water System
Population served: 6,732
Service connections: 1,753
Ownership: Native American tribal
Water source: groundwater (wells)

Violation history

Monitoring, Routine (IDSE)
—
TTHM
January 1, 2015 – March 31, 2015
Resolved
Monitoring, Routine (IDSE)
—
Total Haloacetic Acids (HAA5)
January 1, 2015 – March 31, 2015
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2014 – May 20, 2016
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
November 1, 2011 – November 30, 2011
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 2011 – October 31, 2011
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 2011 – September 30, 2011
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 2011 – August 31, 2011
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
November 1, 2010 – June 20, 2011
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Picloram
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Simazine
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
2,3,7,8-TCDD
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
February 1, 2005 – February 28, 2005
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 2001 – December 31, 2001
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
November 1, 2000 – November 30, 2000
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
November 1, 1993 – November 30, 1993
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
April 1, 1992 – April 30, 1992
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2015 – March 31, 2015	Monitoring, Routine (IDSE)	TTHM	—	Resolved
January 1, 2015 – March 31, 2015	Monitoring, Routine (IDSE)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2014 – 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
November 1, 2011 – November 30, 2011	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
October 1, 2011 – October 31, 2011	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
September 1, 2011 – September 30, 2011	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
August 1, 2011 – August 31, 2011	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
November 1, 2010 – June 20, 2011	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Picloram	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Simazine	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	2,3,7,8-TCDD	—	Resolved
February 1, 2005 – February 28, 2005	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
December 1, 2001 – December 31, 2001	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
November 1, 2000 – November 30, 2000	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
November 1, 1993 – November 30, 1993	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 1992 – April 30, 1992	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

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
August 14, 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
May 15, 2012Federal Compliance achieved1 linked violation
May 15, 2012Federal Compliance achieved1 linked violation
May 15, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
January 9, 2012Federal Compliance achieved1 linked violation
June 20, 2011Federal Compliance achieved1 linked violation
June 7, 2011Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
June 7, 2011Federal Compliance achieved1 linked violation
June 7, 2011Federal Compliance achieved1 linked violation
March 9, 2011Federal Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
April 13, 2007Federal Compliance achieved1 linked violation
April 13, 2007Federal Compliance achieved1 linked violation
April 13, 2007Federal Compliance achieved1 linked violation
April 13, 2007Federal Compliance achieved1 linked violation
April 13, 2007Federal Compliance achieved1 linked violation
April 13, 2007Federal Compliance achieved1 linked violation
April 13, 2007Federal Compliance achieved1 linked violation
April 13, 2007Federal Compliance achieved1 linked violation
April 13, 2007Federal Compliance achieved1 linked violation
July 1, 2004Federal Compliance achieved1 linked violation

Last known contact on file (system is inactive)

NTUA

9287295721

Fort Defiance, AZ 86504