Fort Defiance, 09

Coal Mine 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): 090400207
System type: Community Water System
Population served: 334
Service connections: 87
Ownership: Native American tribal
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Beryllium, Total
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Barium
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Mercury
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Selenium
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Benzene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Benzene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Styrene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Endrin
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Toluene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2002 – October 31, 2002
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2002 – May 31, 2002
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 2002 – March 31, 2002
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Toluene
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Styrene
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Diquat
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Endothall
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
2,3,7,8-TCDD
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2001 – December 31, 2001
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2011 – December 31, 2013	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Barium	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Mercury	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Selenium	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Benzene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Benzene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Styrene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Endrin	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Toluene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
October 1, 2002 – October 31, 2002	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
May 1, 2002 – May 31, 2002	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
March 1, 2002 – March 31, 2002	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	Toluene	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	Styrene	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	Diquat	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	Endothall	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	2,3,7,8-TCDD	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

June 3, 2014Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
June 3, 2014Federal Compliance achieved1 linked violation
June 3, 2014Federal Compliance achieved1 linked violation
June 3, 2014Federal Compliance achieved1 linked violation
June 3, 2014Federal Compliance achieved1 linked violation
June 3, 2014Federal Compliance achieved1 linked violation
June 3, 2014Federal Compliance achieved1 linked violation
June 3, 2014Federal Compliance achieved1 linked violation
June 3, 2014Federal Compliance achieved1 linked violation
June 3, 2014Federal 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
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
April 13, 2007Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
February 8, 2005Federal Compliance achieved1 linked violation
August 19, 2003Federal Compliance achieved1 linked violation
January 17, 2003Federal Compliance achieved1 linked violation
April 9, 2002Federal Compliance achieved1 linked violation
April 9, 2002Federal Compliance achieved1 linked violation
April 9, 2002Federal Compliance achieved1 linked violation
April 9, 2002Federal Compliance achieved1 linked violation
April 9, 2002Federal Compliance achieved1 linked violation
April 9, 2002Federal Compliance achieved1 linked violation
April 9, 2002Federal Compliance achieved1 linked violation
April 9, 2002Federal Compliance achieved1 linked violation
April 9, 2002Federal Compliance achieved1 linked violation
April 9, 2002Federal Compliance achieved1 linked violation
April 9, 2002Federal Compliance achieved1 linked violation
April 9, 2002Federal Compliance achieved1 linked violation
April 9, 2002Federal Compliance achieved1 linked violation
April 9, 2002Federal Compliance achieved1 linked violation
April 9, 2002Federal Compliance achieved1 linked violation
April 9, 2002Federal Compliance achieved1 linked violation
April 9, 2002Federal Compliance achieved1 linked violation
April 9, 2002Federal Compliance achieved1 linked violation
April 9, 2002Federal Compliance achieved1 linked violation
April 9, 2002Federal Compliance achieved1 linked violation
April 9, 2002Federal Compliance achieved1 linked violation
April 9, 2002Federal Compliance achieved1 linked violation
April 9, 2002Federal Compliance achieved1 linked violation
April 9, 2002Federal Compliance achieved1 linked violation
April 9, 2002Federal Compliance achieved1 linked violation
April 9, 2002Federal Compliance achieved1 linked violation
April 9, 2002Federal Compliance achieved1 linked violation

Last known contact on file (system is inactive)

NTUA

9287295721

Fort Defiance, AZ 86504