Drinking Water Compliance OS

TUCSON, AZ · Pima County

TUCSON CITY OF 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)
AZ0410112
System type
Community Water System
Population served
732,906
Service connections
191,264
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Monitoring, Regular

    —

    LASSO

    January 1, 2022 – December 31, 2024

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 2022 – December 31, 2024

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 2022 – December 31, 2024

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 2022 – December 31, 2024

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 2022 – December 31, 2024

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 2022 – December 31, 2024

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2021 – December 31, 2021

    Resolved

  • Monitoring and Reporting (DBP)

    —

    Total Haloacetic Acids (HAA5)

    May 1, 2019 – July 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Endothall

    January 1, 2019 – November 18, 2019

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 2019 – November 18, 2019

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    January 1, 2019 – November 18, 2019

    Resolved

  • Monitoring, Regular

    —

    OXAMYL

    January 1, 2019 – November 18, 2019

    Resolved

  • Monitoring, Regular

    —

    Simazine

    January 1, 2019 – November 18, 2019

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    January 1, 2019 – November 18, 2019

    Resolved

  • Monitoring, Regular

    —

    Picloram

    January 1, 2019 – November 18, 2019

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 2019 – November 18, 2019

    Resolved

  • Monitoring, Regular

    —

    Carbofuran

    January 1, 2019 – November 18, 2019

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 2019 – November 18, 2019

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 2019 – November 18, 2019

    Resolved

  • Monitoring, Regular

    —

    2,3,7,8-TCDD

    January 1, 2019 – November 18, 2019

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 2019 – November 18, 2019

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 2019 – November 18, 2019

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 2019 – November 18, 2019

    Resolved

  • Monitoring, Regular

    —

    Benzo(a)pyrene

    January 1, 2019 – November 18, 2019

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 2019 – November 18, 2019

    Resolved

  • Monitoring, Regular

    —

    Carbofuran

    January 1, 2019 – June 19, 2019

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 2019 – June 19, 2019

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 2019 – June 19, 2019

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 2019 – June 19, 2019

    Resolved

  • Monitoring, Regular

    —

    Chlordane

    January 1, 2019 – June 19, 2019

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 2019 – November 18, 2019

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 2019 – November 18, 2019

    Resolved

  • Monitoring, Regular

    —

    Toxaphene

    January 1, 2019 – November 18, 2019

    Resolved

  • Monitoring, Regular

    —

    Xylenes, Total

    January 1, 2019 – June 19, 2019

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2019 – June 19, 2019

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 2019 – June 19, 2019

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2019 – June 19, 2019

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2019 – June 19, 2019

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2019 – June 19, 2019

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2019 – June 19, 2019

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2019 – June 19, 2019

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 2019 – June 19, 2019

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    January 1, 2019 – June 19, 2019

    Resolved

  • Monitoring, Regular

    —

    OXAMYL

    January 1, 2019 – June 19, 2019

    Resolved

  • Monitoring, Regular

    —

    Picloram

    January 1, 2019 – June 19, 2019

    Resolved

  • Monitoring, Regular

    —

    Dinoseb

    January 1, 2019 – June 19, 2019

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 2019 – June 19, 2019

    Resolved

  • Monitoring, Regular

    —

    Combined Uranium

    January 1, 2019 – March 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Combined Radium (-226 and -228)

    January 1, 2019 – March 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Chromium

    January 1, 2019 – June 19, 2019

    Resolved

  • Monitoring, Regular

    —

    CYANIDE

    January 1, 2019 – June 19, 2019

    Resolved

  • Monitoring, Regular

    —

    Mercury

    January 1, 2019 – June 19, 2019

    Resolved

  • Monitoring, Regular

    —

    Thallium, Total

    January 1, 2019 – June 19, 2019

    Resolved

  • Monitoring, Regular

    —

    Asbestos

    January 1, 2013 – May 18, 2018

    Resolved

  • Monitoring, Regular

    —

    Asbestos

    January 1, 2013 – June 21, 2017

    Resolved

  • Monitoring, Regular

    —

    Asbestos

    January 1, 2013 – September 19, 2016

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    April 1, 2011 – June 30, 2011

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2010 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2007 – December 31, 2009

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2007 – December 31, 2009

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2007 – December 31, 2009

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2007 – December 31, 2009

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2007 – December 31, 2009

    Resolved

  • Monitoring and Reporting (DBP)

    —

    TTHM

    January 1, 2006 – December 31, 2006

    Resolved

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2005 – July 22, 2005

    Resolved

  • Follow-up Or Routine LCR Tap M/R

    —

    Lead and Copper Rule

    October 1, 2004 – July 28, 2008

    Resolved

  • Monitoring and Reporting (DBP)

    —

    Total Haloacetic Acids (HAA5)

    April 1, 2004 – June 30, 2004

    Resolved

  • Monitoring, Regular

    —

    Cadmium

    January 1, 2004 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Barium

    January 1, 2004 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Arsenic

    January 1, 2004 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Arsenic

    January 1, 2004 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Mercury

    January 1, 2004 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Selenium

    January 1, 2004 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Nickel

    January 1, 2004 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Chromium

    January 1, 2004 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Cadmium

    January 1, 2004 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Beryllium, Total

    January 1, 2004 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    CYANIDE

    January 1, 2004 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 2004 – February 4, 2004

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2004 – February 4, 2004

    Resolved

  • Monitoring, Regular

    —

    Xylenes, Total

    January 1, 2004 – February 4, 2004

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2004 – February 4, 2004

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 2004 – February 4, 2004

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2004 – February 4, 2004

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 2004 – February 4, 2004

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 2004 – February 4, 2004

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2004 – February 4, 2004

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2004 – February 4, 2004

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2004 – February 4, 2004

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 2004 – February 4, 2004

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2004 – February 4, 2004

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2004 – February 4, 2004

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2004 – February 4, 2004

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2004 – February 4, 2004

    Resolved

  • Monitoring and Reporting (DBP)

    —

    Total Haloacetic Acids (HAA5)

    January 1, 2004 – March 31, 2004

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2004 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2004 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2004 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2004 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2004 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2004 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2004 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 2004 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 2004 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2004 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Thallium, Total

    January 1, 2004 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Antimony, Total

    January 1, 2004 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Nickel

    January 1, 2004 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Mercury

    January 1, 2004 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    CYANIDE

    January 1, 2004 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2003 – December 31, 2003

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2003 – December 31, 2003

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2003 – December 31, 2003

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2003 – December 31, 2003

    Resolved

  • Monitoring, Regular

    —

    Xylenes, Total

    January 1, 2002 – March 31, 2002

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 2002 – December 31, 2002

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2002 – December 31, 2002

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2002 – December 31, 2002

    Resolved

  • Monitoring, Regular

    —

    Benzo(a)pyrene

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Diquat

    January 1, 2001 – November 16, 2001

    Resolved

  • Monitoring, Regular

    —

    Diquat

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Diquat

    January 1, 2001 – November 16, 2001

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Simazine

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 2001 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Xylenes, Total

    October 1, 2000 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    July 1, 2000 – September 30, 2000

    Archived

  • Monitoring, Regular

    —

    Xylenes, Total

    July 1, 2000 – September 30, 2000

    Resolved

  • Monitoring, Regular

    —

    Xylenes, Total

    April 1, 2000 – June 30, 2000

    Resolved

  • Monitoring, Regular

    —

    Xylenes, Total

    April 1, 2000 – June 30, 2000

    Resolved

  • Monitoring, Regular

    —

    Xylenes, Total

    April 1, 2000 – June 30, 2000

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2000 – March 31, 2000

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2000 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Xylenes, Total

    January 1, 2000 – March 31, 2000

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2000 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    October 1, 1999 – December 31, 1999

    Resolved

  • Monitoring, Regular

    —

    Xylenes, Total

    October 1, 1999 – December 31, 1999

    Resolved

  • Monitoring, Regular

    —

    Xylenes, Total

    October 1, 1999 – December 31, 1999

    Resolved

  • Monitoring, Regular

    —

    Xylenes, Total

    July 1, 1999 – September 30, 1999

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    July 1, 1999 – September 30, 1999

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 1999 – December 31, 1999

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 1999 – December 31, 1999

    Resolved

  • Monitoring, Regular

    —

    Xylenes, Total

    October 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Chlordane

    January 1, 1998 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 1998 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Carbofuran

    January 1, 1998 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Diquat

    January 1, 1998 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Benzo(a)pyrene

    January 1, 1998 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 1998 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 1998 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Xylenes, Total

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Xylenes, Total

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 1998 – January 13, 1998

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Benzo(a)pyrene

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    ETHYLENE DIBROMIDE

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Chlordane

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Total Polychlorinated Biphenyls (PCB)

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 1998 – October 12, 1999

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 1998 – October 12, 1999

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Toxaphene

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Toxaphene

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Dalapon

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Dalapon

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Dalapon

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Diquat

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Diquat

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Diquat

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Diquat

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Diquat

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Diquat

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Endothall

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Endothall

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Endothall

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Endothall

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Endothall

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    OXAMYL

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    OXAMYL

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    OXAMYL

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    OXAMYL

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Simazine

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Simazine

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Simazine

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Simazine

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Picloram

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Picloram

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Picloram

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Picloram

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Picloram

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Picloram

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Dinoseb

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Dinoseb

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Carbofuran

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Carbofuran

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Carbofuran

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Carbofuran

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Carbofuran

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 1998 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Simazine

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Simazine

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 1998 – December 31, 2000

    Resolved

  • Monitoring, Regular

    —

    Total Polychlorinated Biphenyls (PCB)

    January 1, 1998 – December 31, 2000

    Resolved

  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    November 19, 1980 – March 18, 1981

    Archived

  • Monitoring, Check/Repeat/Confirmation

    —

    Nitrate

    June 24, 1980 – July 23, 1980

    Archived

  • Monitoring, Check/Repeat/Confirmation

    —

    Fluoride

    June 24, 1980 – July 23, 1980

    Archived

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

Enforcement actions

Contact

AVILA, ALBERT C

520-837-2430

TUCSON, AZ 85726