TUCSON, AZ · Pima County

METROPOLITAN DWID 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 Arizona’s official records. Always confirm current status with Arizona before making decisions based on this information.

System facts

System ID (PWSID): AZ0410076
System type: Community Water System
Population served: 45,570
Service connections: 18,196
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
o-Dichlorobenzene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Vinyl chloride
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Xylenes, Total
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Styrene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Toluene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Benzene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
CHLOROBENZENE
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Tetrachloroethylene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Xylenes, Total
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Trichloroethylene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Carbon tetrachloride
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Ethylbenzene
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Tetrachloroethylene
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Benzene
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Toluene
July 1, 2024 – September 30, 2024
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2021 – September 30, 2021
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2017 – March 31, 2017
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2016 – September 30, 2016
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
January 1, 2016 – January 31, 2016
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2016 – March 31, 2016
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2013 – February 6, 2014
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2012 – November 26, 2012
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2012 – December 31, 2012
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2012 – November 26, 2012
Resolved
Monitoring, Regular
—
Asbestos
January 1, 2012 – December 31, 2020
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2008 – June 9, 2009
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 2007 – September 30, 2007
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2007 – June 9, 2009
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2007 – December 31, 2007
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2006 – June 9, 2009
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2006 – December 31, 2008
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2006 – March 31, 2006
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Benzene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Styrene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2006 – December 31, 2008
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2006 – December 31, 2008
Resolved
Monitoring, Regular
—
Diquat
January 1, 2006 – December 31, 2008
Resolved
Monitoring, Regular
—
Endothall
January 1, 2006 – December 31, 2008
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 2006 – December 31, 2008
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2006 – December 31, 2008
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2006 – December 31, 2008
Resolved
Monitoring, Regular
—
Simazine
January 1, 2006 – December 31, 2008
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2006 – December 31, 2008
Resolved
Monitoring, Regular
—
Picloram
January 1, 2006 – December 31, 2008
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2006 – December 31, 2008
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2006 – December 31, 2008
Resolved
Monitoring, Regular
—
2,3,7,8-TCDD
January 1, 2006 – December 31, 2008
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2006 – December 31, 2008
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2006 – December 31, 2008
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2006 – December 31, 2008
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2006 – December 31, 2008
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2006 – December 31, 2008
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2006 – December 31, 2008
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2005 – August 31, 2005
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2005 – September 30, 2005
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2005 – June 9, 2009
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2005 – December 31, 2005
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2004 – March 31, 2004
Resolved
Monitoring, Regular
—
Radium-226
January 1, 2004 – December 31, 2007
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2004 – December 31, 2007
Resolved
Monitoring, Check/Repeat/Confirmation
—
Nitrate
December 17, 2003 – December 18, 2003
Resolved
Monitoring, Regular
—
Diquat
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 1997 – December 31, 1999
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 1997 – December 31, 1999
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 1997 – December 31, 1999
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 1997 – December 31, 1999
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 1997 – December 31, 1999
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 1997 – December 31, 1999
Resolved
Monitoring, Regular
—
Atrazine
January 1, 1997 – December 31, 1999
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 1997 – December 31, 1999
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 1997 – December 31, 1999
Resolved
Monitoring, Regular
—
Simazine
January 1, 1997 – December 31, 1999
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 1997 – December 31, 1999
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 1997 – December 31, 1999
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 1997 – December 31, 1999
Resolved
Monitoring, Regular
—
Dalapon
January 1, 1997 – December 31, 1999
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 1997 – December 31, 1999
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 1997 – December 31, 1999
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 1997 – December 31, 1999
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
December 1, 1991 – December 31, 1991
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2024 – December 31, 2024	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Vinyl chloride	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Xylenes, Total	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Styrene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Toluene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Benzene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	CHLOROBENZENE	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Tetrachloroethylene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Xylenes, Total	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Trichloroethylene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Carbon tetrachloride	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Ethylbenzene	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Tetrachloroethylene	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Benzene	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Toluene	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2017 – March 31, 2017	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2016 – January 31, 2016	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2013 – February 6, 2014	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
October 1, 2012 – November 26, 2012	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
October 1, 2012 – December 31, 2012	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2012 – November 26, 2012	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2012 – December 31, 2020	Monitoring, Regular	Asbestos	—	Resolved
July 1, 2008 – June 9, 2009	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
September 1, 2007 – September 30, 2007	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2007 – June 9, 2009	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Nitrate	—	Resolved
July 1, 2006 – June 9, 2009	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2006 – December 31, 2008	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Benzene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Styrene	—	Resolved
January 1, 2006 – December 31, 2008	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2006 – December 31, 2008	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2006 – December 31, 2008	Monitoring, Regular	Diquat	—	Resolved
January 1, 2006 – December 31, 2008	Monitoring, Regular	Endothall	—	Resolved
January 1, 2006 – December 31, 2008	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 2006 – December 31, 2008	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2006 – December 31, 2008	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2006 – December 31, 2008	Monitoring, Regular	Simazine	—	Resolved
January 1, 2006 – December 31, 2008	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2006 – December 31, 2008	Monitoring, Regular	Picloram	—	Resolved
January 1, 2006 – December 31, 2008	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2006 – December 31, 2008	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2006 – December 31, 2008	Monitoring, Regular	2,3,7,8-TCDD	—	Resolved
January 1, 2006 – December 31, 2008	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2006 – December 31, 2008	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2006 – December 31, 2008	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2006 – December 31, 2008	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2006 – December 31, 2008	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2006 – December 31, 2008	Monitoring, Regular	Pentachlorophenol	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring and Reporting (DBP)	TTHM	—	Resolved
August 1, 2005 – August 31, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2005 – June 9, 2009	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2004 – March 31, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2004 – December 31, 2007	Monitoring, Regular	Radium-226	—	Resolved
January 1, 2004 – December 31, 2007	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
December 17, 2003 – December 18, 2003	Monitoring, Check/Repeat/Confirmation	Nitrate	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	Diquat	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 1997 – December 31, 1999	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 1997 – December 31, 1999	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 1997 – December 31, 1999	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 1997 – December 31, 1999	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 1997 – December 31, 1999	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 1997 – December 31, 1999	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 1997 – December 31, 1999	Monitoring, Regular	Atrazine	—	Resolved
January 1, 1997 – December 31, 1999	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 1997 – December 31, 1999	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 1997 – December 31, 1999	Monitoring, Regular	Simazine	—	Resolved
January 1, 1997 – December 31, 1999	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 1997 – December 31, 1999	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 1997 – December 31, 1999	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 1997 – December 31, 1999	Monitoring, Regular	Dalapon	—	Resolved
January 1, 1997 – December 31, 1999	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 1997 – December 31, 1999	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 1997 – December 31, 1999	Monitoring, Regular	Xylenes, Total	—	Resolved
December 1, 1991 – December 31, 1991	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Archived

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

Enforcement actions

January 31, 2025State Compliance achieved44 linked violations
November 7, 2024State Compliance achieved25 linked violations
November 7, 2024State Violation/Reminder Notice3 linked violations
February 14, 2022State Violation/Reminder Notice2 linked violations
November 15, 2021State Compliance achieved3 linked violations
February 19, 2021State Compliance achieved4 linked violations
February 16, 2021State Violation/Reminder Notice6 linked violations
November 14, 2019State Violation/Reminder Notice9 linked violations
March 4, 2016State Compliance achieved1 linked violation
November 26, 2012State Compliance achieved5 linked violations
April 9, 2012State Compliance achieved3 linked violations
October 24, 2011State Compliance achieved3 linked violations
June 9, 2009State Compliance achieved6 linked violations
February 17, 2009State Compliance achieved70 linked violations
April 18, 2008State Compliance achieved9 linked violations
March 12, 2008State Compliance achieved11 linked violations
February 1, 2008State Violation/Reminder Notice8 linked violations
October 26, 2007State Compliance achieved10 linked violations
February 1, 2007State Compliance achieved9 linked violations
December 6, 2006State Compliance achieved1 linked violation
December 6, 2006State Compliance achieved2 linked violations
December 6, 2006State Compliance achieved2 linked violations
December 6, 2006State Compliance achieved3 linked violations
December 6, 2006State Compliance achieved1 linked violation
October 27, 2006State Compliance achieved19 linked violations
August 15, 2006State Compliance achieved24 linked violations
August 15, 2006State Compliance achieved23 linked violations
August 15, 2006State Compliance achieved44 linked violations
August 2, 2005State Compliance achieved7 linked violations
December 31, 2003State Compliance achieved2 linked violations
May 13, 2003State Compliance achieved43 linked violations
November 19, 2002State Compliance achieved8 linked violations
November 27, 2001State Compliance achieved16 linked violations
November 27, 2001State Compliance achieved11 linked violations
November 27, 2001State Compliance achieved13 linked violations
November 27, 2001State Compliance achieved9 linked violations
November 27, 2001State Compliance achieved11 linked violations
November 27, 2001State Compliance achieved10 linked violations
November 27, 2001State Compliance achieved8 linked violations
November 27, 2001State Compliance achieved14 linked violations
November 27, 2001State Compliance achieved12 linked violations
November 27, 2001State Compliance achieved36 linked violations
November 27, 2001State Compliance achieved22 linked violations
November 27, 2001State Compliance achieved25 linked violations
November 27, 2001State Compliance achieved10 linked violations
November 27, 2001State Compliance achieved23 linked violations
November 27, 2001State Compliance achieved33 linked violations
November 27, 2001State Compliance achieved30 linked violations
November 27, 2001State Compliance achieved21 linked violations
November 27, 2001State Compliance achieved13 linked violations

Contact

OLSEN, JOSEPH

520-209-2842

TUCSON, AZ 85704