THIM UTILITY COMPANY - RANCHO VISTA
Arizona — Community Water System — PWSID: AZ0410351
System Information
| PWSID | AZ0410351 |
| System Name | THIM UTILITY COMPANY - RANCHO VISTA |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Aug 19, 1995 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | TUCSON |
| ZIP Code | 85754 |
| Address | ATT SW UTILITY MANAGEMENT - COMPLIANCE |
| Organization | THIM WATER CO |
| Phone | 520-275-9551 |
Population & Service
| Population Served | 105 |
| Service Connections | 43 |
Drinking Water Violations (129)
This water system has 129 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 7, 2024 | — | MR | No | No | — | TT | — | Resolved | Nov 18, 2024 | — | |
| Sep 7, 2024 | — | MR | No | No | — | TT | — | Resolved | Nov 18, 2024 | — | |
| Oct 2, 2019 | — | Other | No | No | — | — | — | Resolved | Oct 2, 2019 | — | |
| Oct 2, 2019 | — | Other | No | No | — | — | — | Resolved | Oct 2, 2019 | — | |
| Jul 1, 2019 | Sep 30, 2019 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2019 | — | |
| Jul 1, 2019 | Sep 30, 2019 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2019 | — | |
| Jul 1, 2019 | — | Other | No | No | — | — | — | Resolved | Aug 15, 2019 | — | |
| Jul 1, 2019 | — | Other | No | No | — | — | — | Resolved | Aug 15, 2019 | — | |
| Mar 1, 2013 | Mar 31, 2013 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2013 | — | |
| Mar 1, 2013 | Mar 31, 2013 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2013 | — | |
| Feb 1, 2013 | Feb 28, 2013 | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2013 | — | |
| Feb 1, 2013 | Feb 28, 2013 | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2013 | — | |
| Sep 1, 2009 | Sep 30, 2009 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2009 | — | |
| Sep 1, 2009 | Sep 30, 2009 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2008 | — | Other | No | No | — | — | — | Resolved | Jul 8, 2008 | — | |
| Jul 1, 2007 | — | Other | No | No | — | — | — | Resolved | Jul 8, 2008 | — | |
| Oct 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Sep 8, 2009 | — | |
| 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 | — | |
| Jul 1, 2006 | — | Other | No | No | — | — | — | Resolved | Jul 8, 2008 | — | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2005 | — | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2005 | — | |
| Jul 1, 2004 | — | Other | No | No | — | — | — | Resolved | Jun 14, 2005 | — | |
| Jul 1, 2003 | — | Other | No | No | — | — | — | Resolved | Jun 14, 2005 | — | |
| Jul 1, 2002 | — | Other | No | No | — | — | — | Resolved | Jun 14, 2005 | — | |
| Jul 1, 2000 | Sep 30, 2000 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2000 | — | |
| Apr 1, 2000 | Jun 30, 2000 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 2000 | — | |
| Jan 1, 2000 | Mar 31, 2000 | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2000 | — | |
| Sep 1, 1999 | Sep 30, 1999 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | — | 0.04 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | — | 0.00005 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 1998 | Dec 31, 1998 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1998 | — | |
| Jan 1, 1998 | Dec 31, 1998 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1998 | — | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2000 | — |
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.