TUCSON, AZ · Pima County
ADOC TUCSON 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)
- AZ0420557
- System type
- Community Water System
- Population served
- 4,500
- Service connections
- 23
- Ownership
- state government
- Water source
- groundwater (wells)
Violation history
Monitoring, Regular
—Pentachlorophenol
January 1, 2018 – December 31, 2020
ResolvedMonitoring, Regular
—Endothall
January 1, 2018 – December 31, 2020
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2018 – December 31, 2020
ResolvedMonitoring, Regular
—Nitrate
January 1, 2016 – December 31, 2016
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
October 1, 2015 – October 31, 2015
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
November 1, 2014 – November 30, 2014
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
February 1, 2014 – February 28, 2014
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2012 – August 27, 2014
ResolvedMonitoring, Regular
—Endrin
January 1, 2012 – August 27, 2014
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
July 1, 2011 – July 31, 2011
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2009 – December 31, 2011
ResolvedMonitoring, Regular
—2,3,7,8-TCDD
January 1, 2009 – December 31, 2011
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 2009 – December 31, 2011
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 2009 – December 31, 2011
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2009 – December 31, 2011
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
July 1, 2008 – July 31, 2008
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2006 – December 31, 2008
ResolvedMonitoring, Regular
—Picloram
January 1, 2006 – December 31, 2008
ResolvedMonitoring, Regular
—OXAMYL
January 1, 2006 – December 31, 2008
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2006 – December 31, 2008
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2006 – December 31, 2008
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1987 – December 31, 1987
ArchivedMaximum Contaminant Level Violation, Single Sample
Health-basedChromium
March 1, 1983 – May 31, 1983
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 |
|---|---|---|---|---|
| January 1, 2018 – December 31, 2020 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 2018 – December 31, 2020 | Monitoring, Regular | Endothall | — | Resolved |
| January 1, 2018 – December 31, 2020 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | Nitrate | — | Resolved |
| October 1, 2015 – October 31, 2015 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| November 1, 2014 – November 30, 2014 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| February 1, 2014 – February 28, 2014 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2012 – August 27, 2014 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2012 – August 27, 2014 | Monitoring, Regular | Endrin | — | Resolved |
| July 1, 2011 – July 31, 2011 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2009 – December 31, 2011 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 2009 – December 31, 2011 | Monitoring, Regular | 2,3,7,8-TCDD | — | Resolved |
| January 1, 2009 – December 31, 2011 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 2009 – December 31, 2011 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 2009 – December 31, 2011 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| July 1, 2008 – July 31, 2008 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2006 – December 31, 2008 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2006 – December 31, 2008 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2006 – December 31, 2008 | Monitoring, Regular | OXAMYL | — | Resolved |
| January 1, 2006 – December 31, 2008 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2006 – December 31, 2008 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| October 1, 1987 – December 31, 1987 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| March 1, 1983 – May 31, 1983 | Maximum Contaminant Level Violation, Single Sample | Chromium | Health-based | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- January 29, 2015State Violation/Reminder Notice128 linked violations
Contact
SKINNER III, WOODROW W
520-574-0024
TUCSON, AZ 85735