SAN JO UTILITIES
Texas - Community Water System - PWSID: TX1700327
System Information
| PWSID | TX1700327 |
| System Name | SAN JO UTILITIES |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 9, 1982 |
| Last Reported | Mar 31, 2026 |
Location & Contact
| State | Texas |
| City | WILLIS |
| ZIP Code | 77378-1698 |
| Address | PO BOX 1698 |
| Organization | LACAZE, DEREK, R |
| Phone | 936-232-2290 |
Population & Service
| Population Served | 792 |
| Service Connections | 264 |
Drinking Water Violations (99)
This water system has 99 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 29, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| May 1, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Jan 9, 2020 | - | Other | No | No | - | - | - | Resolved | Feb 24, 2020 | - | |
| Jan 9, 2020 | - | Other | No | No | - | - | - | Resolved | Feb 24, 2020 | - | |
| Dec 30, 2019 | - | MR | No | No | - | TT | - | Resolved | Nov 30, 2020 | - | |
| Dec 30, 2019 | - | MR | No | No | - | TT | - | Resolved | Nov 30, 2020 | - | |
| Jul 1, 2019 | - | Other | No | No | - | - | - | Resolved | Feb 20, 2020 | - | |
| Jul 1, 2019 | - | Other | No | No | - | - | - | Resolved | Feb 20, 2020 | - | |
| Oct 26, 2018 | - | Other | No | No | - | - | - | Resolved | Jan 17, 2020 | - | |
| Oct 26, 2018 | - | Other | No | No | - | - | - | Resolved | Jan 17, 2020 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Sep 16, 2019 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Sep 16, 2019 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Sep 16, 2019 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Sep 16, 2019 | - | |
| Jul 1, 2018 | - | Other | No | No | - | - | - | Resolved | Feb 20, 2020 | - | |
| Jul 1, 2018 | - | Other | No | No | - | - | - | Resolved | Feb 20, 2020 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Feb 20, 2020 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Feb 20, 2020 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2017 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2017 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2017 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2017 | - | |
| Dec 30, 2015 | - | MR | No | No | - | TT | - | Resolved | Nov 30, 2020 | - | |
| Dec 30, 2015 | - | MR | No | No | - | TT | - | Resolved | Nov 30, 2020 | - | |
| Oct 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Oct 21, 2015 | - | |
| Oct 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Oct 21, 2015 | - | |
| Oct 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Oct 21, 2015 | - | |
| Oct 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Oct 21, 2015 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Nov 10, 2014 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Nov 10, 2014 | - | |
| Jan 1, 2013 | Dec 31, 2018 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2013 | Dec 31, 2018 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2013 | Dec 31, 2018 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2013 | Dec 31, 2018 | MR | No | Yes | - | 30 ug/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2013 | Dec 31, 2018 | MR | No | Yes | - | 30 ug/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2013 | Dec 31, 2018 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2013 | Dec 31, 2018 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2013 | Dec 31, 2018 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2013 | Dec 31, 2018 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2013 | Dec 31, 2018 | MR | No | Yes | - | 30 ug/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2013 | Dec 31, 2018 | MR | No | Yes | - | 30 ug/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2013 | Dec 31, 2018 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2018 | - | |
| Jul 1, 2009 | - | Other | No | No | - | - | - | Resolved | Dec 27, 2010 | - | |
| Jul 1, 2009 | - | Other | No | No | - | - | - | Resolved | Dec 27, 2010 | - | |
| Jan 1, 2009 | - | Other | No | No | - | - | - | Resolved | Dec 27, 2010 | - |
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.