UNIVERSITY OF ARIZONA
Arizona - Non-Transient Non-Community - PWSID: AZ0420423
System Information
| PWSID | AZ0420423 |
| System Name | UNIVERSITY OF ARIZONA |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | State |
| EPA Region | 09 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Oct 5, 1979 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | TUCSON |
| ZIP Code | 85754 |
| Address | PO BOX 85160 |
| Organization | UNIVERSITY OF ARIZONA |
| Phone | 602-795-8276 |
Population & Service
| Population Served | 50,000 |
| Service Connections | 139 |
Drinking Water Violations (1,168)
This water system has 1,168 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Nov 1, 2020 | Jan 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jan 31, 2021 | - | |
| Nov 1, 2020 | Jan 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jan 31, 2021 | - | |
| Nov 1, 2020 | Jan 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jan 31, 2021 | - | |
| Nov 1, 2020 | Jan 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jan 31, 2021 | - | |
| Jan 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Jan 16, 2020 | - | |
| Jan 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Jan 16, 2020 | - | |
| Oct 31, 2019 | - | MR | No | Yes | - | - | - | Resolved | Dec 6, 2019 | - | |
| Oct 31, 2019 | - | MR | No | Yes | - | - | - | Resolved | Dec 6, 2019 | - | |
| Oct 31, 2019 | - | MR | No | Yes | - | - | - | Resolved | Dec 6, 2019 | - | |
| Aug 1, 2018 | Oct 31, 2018 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Oct 31, 2018 | - | |
| Aug 1, 2018 | Oct 31, 2018 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Oct 31, 2018 | - | |
| Aug 1, 2018 | Oct 31, 2018 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Oct 31, 2018 | - | |
| Aug 1, 2018 | Oct 31, 2018 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Oct 31, 2018 | - | |
| May 1, 2018 | Jul 31, 2018 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jul 31, 2018 | - | |
| May 1, 2018 | Jul 31, 2018 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jul 31, 2018 | - | |
| Jan 1, 2017 | Mar 31, 2017 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Mar 31, 2017 | - | |
| Nov 1, 2016 | Jan 31, 2017 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jan 31, 2017 | - | |
| Nov 1, 2016 | Jan 31, 2017 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jan 31, 2017 | - | |
| Nov 1, 2016 | Jan 31, 2017 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jan 31, 2017 | - | |
| Nov 1, 2016 | Jan 31, 2017 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jan 31, 2017 | - | |
| Nov 1, 2016 | Jan 31, 2017 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jan 31, 2017 | - | |
| Nov 1, 2016 | Jan 31, 2017 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jan 31, 2017 | - | |
| Nov 1, 2016 | Jan 31, 2017 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jan 31, 2017 | - | |
| Nov 1, 2016 | Jan 31, 2017 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jan 31, 2017 | - | |
| Oct 1, 2016 | Dec 31, 2016 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Aug 1, 2016 | Oct 31, 2016 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Oct 31, 2016 | - | |
| Aug 1, 2016 | Oct 31, 2016 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Oct 31, 2016 | - | |
| Aug 1, 2016 | Oct 31, 2016 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Oct 31, 2016 | - | |
| Aug 1, 2016 | Oct 31, 2016 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Oct 31, 2016 | - | |
| Aug 1, 2016 | Oct 31, 2016 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Oct 31, 2016 | - | |
| Aug 1, 2016 | Oct 31, 2016 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Oct 31, 2016 | - | |
| Aug 1, 2016 | Oct 31, 2016 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Oct 31, 2016 | - | |
| Aug 1, 2016 | Oct 31, 2016 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Oct 31, 2016 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Jun 20, 2014 | - | MR | No | No | - | - | - | Resolved | Sep 30, 2014 | - | |
| Jun 20, 2014 | - | MR | No | No | - | - | - | Resolved | Sep 30, 2014 | - | |
| Jan 1, 2013 | Dec 31, 2015 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jul 31, 2013 | - | |
| Jan 1, 2013 | Dec 31, 2015 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jul 31, 2013 | - | |
| Jan 1, 2013 | Dec 31, 2015 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Jul 31, 2013 | - | |
| Jan 1, 2013 | Dec 31, 2015 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jul 31, 2013 | - | |
| Jan 1, 2013 | Dec 31, 2015 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jul 31, 2013 | - | |
| Jan 1, 2013 | Dec 31, 2015 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Jul 31, 2013 | - |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.