TUCSON ELECTRIC POWER CO
Arizona — Non-Transient Non-Community — PWSID: AZ0420583
System Information
| PWSID | AZ0420583 |
| System Name | TUCSON ELECTRIC POWER CO |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Non-Inventory |
| Owner Type | Mixed |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 20, 1981 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | TUCSON |
| ZIP Code | 85702 |
| Address | MS PP101 |
| Organization | TUCSON ELECTRIC CO |
| Phone | 520-745-3235 |
Population & Service
| Population Served | 800 |
| Service Connections | 6 |
Drinking Water Violations (112)
This water system has 112 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 1, 2008 | Dec 31, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Dec 9, 2008 | — | |
| Dec 1, 2008 | Dec 31, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Dec 9, 2008 | — | |
| Dec 1, 2008 | Dec 31, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Dec 9, 2008 | — | |
| Nov 1, 2008 | Nov 30, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2008 | — | |
| Nov 1, 2008 | Nov 30, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2008 | — | |
| Oct 1, 2008 | Oct 31, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2008 | — | |
| Oct 1, 2008 | Oct 31, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2008 | — | |
| Sep 1, 2008 | Sep 30, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2008 | — | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2008 | — | |
| Jul 1, 2008 | Sep 30, 2008 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2008 | — | |
| Jun 1, 2008 | Jun 30, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | — | |
| Jun 1, 2008 | Jun 30, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | — | |
| Jun 1, 2008 | Jun 30, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2008 | — | |
| Feb 1, 2008 | Feb 29, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2008 | — | |
| Feb 1, 2008 | Feb 29, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2008 | — | |
| Feb 1, 2008 | Feb 29, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2008 | — | |
| Dec 1, 2007 | Dec 31, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2007 | — | |
| Dec 1, 2007 | Dec 31, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2007 | — | |
| Dec 1, 2007 | Dec 31, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2007 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Oct 1, 2007 | Oct 31, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2007 | — | |
| Sep 1, 2007 | Sep 30, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2007 | — | |
| Aug 1, 2007 | Aug 31, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | — | |
| Jul 1, 2007 | Jul 31, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2007 | — | |
| May 1, 2007 | May 31, 2007 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2007 | — | |
| Mar 1, 2007 | Mar 31, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2007 | — | |
| Jan 1, 2007 | Jan 31, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2007 | — | |
| Nov 1, 2006 | Nov 30, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2006 | — | |
| Sep 1, 2006 | Sep 30, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2006 | — | |
| Aug 1, 2006 | Aug 31, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2006 | — | |
| Apr 1, 2006 | Apr 30, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Sep 1, 2005 | Sep 30, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2005 | — | |
| Aug 1, 2005 | Aug 31, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2005 | — | |
| Aug 1, 2005 | Aug 31, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2005 | — | |
| Jul 1, 2005 | Jul 31, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2005 | — | |
| Jul 1, 2005 | Jul 31, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2005 | — |
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.