SIENNA MUD 4
Texas - Community Water System - PWSID: TX0790489
System Information
| PWSID | TX0790489 |
| System Name | SIENNA MUD 4 |
| System Type | Community Water System |
| Water Source | Ground Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | May 16, 2008 |
| Last Reported | Mar 31, 2026 |
Location & Contact
| State | Texas |
| City | HOUSTON |
| ZIP Code | 77027-7537 |
| Address | 3200 SOUTHWEST FWY STE 2600 |
| Organization | VACEK, ROBERT |
| Phone | 713-860-6400 |
Population & Service
| Population Served | 6,435 |
| Service Connections | 2,145 |
Drinking Water Violations (38)
This water system has 38 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2025 | Nov 30, 2025 | MON | No | No | - | - | - | Archived | Nov 30, 2025 | - | |
| Sep 29, 2015 | - | MR | No | No | - | TT | - | Resolved | Aug 29, 2016 | - | |
| Sep 29, 2015 | - | MR | No | No | - | TT | - | Resolved | Aug 29, 2016 | - | |
| Apr 1, 2015 | - | MR | No | No | - | TT | - | Resolved | Aug 6, 2015 | - | |
| Apr 1, 2015 | - | MR | No | No | - | TT | - | Resolved | Aug 6, 2015 | - | |
| Jul 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Jul 2, 2015 | - | |
| Jul 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Jul 2, 2015 | - | |
| Jul 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Jul 2, 2015 | - | |
| Jul 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Jul 2, 2015 | - | |
| Jan 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Jul 2, 2015 | - | |
| Sep 29, 2013 | - | MR | No | No | - | TT | - | Resolved | Sep 28, 2013 | - | |
| Mar 12, 2013 | - | Other | No | No | - | - | - | Resolved | Feb 6, 2015 | - | |
| Mar 12, 2013 | - | Other | No | No | - | - | - | Resolved | Feb 6, 2015 | - | |
| Feb 10, 2013 | - | Other | No | No | - | - | - | Resolved | Feb 6, 2015 | - | |
| Feb 10, 2013 | - | Other | No | No | - | - | - | Resolved | Feb 6, 2015 | - | |
| Jan 10, 2013 | - | Other | No | No | - | - | - | Resolved | Feb 6, 2013 | - | |
| Jan 10, 2013 | - | Other | No | No | - | - | - | Resolved | Feb 6, 2013 | - | |
| Nov 10, 2012 | - | Other | No | No | - | - | - | Resolved | Feb 6, 2015 | - | |
| Nov 10, 2012 | - | Other | No | No | - | - | - | Resolved | Feb 6, 2015 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2012 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2012 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2012 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2012 | - | |
| Oct 1, 2012 | Oct 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2012 | - | |
| Oct 1, 2012 | Oct 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2012 | - | |
| Oct 1, 2012 | Oct 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2012 | - | |
| Oct 1, 2012 | Oct 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2012 | - | |
| Sep 1, 2012 | Sep 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2012 | - | |
| Sep 1, 2012 | Sep 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2012 | - | |
| Sep 1, 2012 | Sep 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2012 | - | |
| Sep 1, 2012 | Sep 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2012 | - | |
| Aug 1, 2012 | Aug 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Apr 1, 2012 | Apr 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2012 | - | |
| - | - | - | No | No | - | - | - | - | - | - |
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.