BLOCK 31 GAS PLANT
Texas - Non-Transient Non-Community - PWSID: TX0520003
System Information
| PWSID | TX0520003 |
| System Name | BLOCK 31 GAS PLANT |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 14, 1980 |
| Last Reported | Jun 26, 2026 |
Location & Contact
| State | Texas |
| City | HOUSTON |
| ZIP Code | 77002-5924 |
| Address | 1111 TRAVIS ST |
| Organization | HENDERSON, MATT |
| Phone | 713-289-2970 |
Population & Service
| Population Served | 25 |
| Service Connections | 1 |
Drinking Water Violations (97)
This water system has 97 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 30, 2024 | - | MR | No | No | - | TT | - | Resolved | Feb 5, 2025 | - | |
| Dec 30, 2024 | - | MR | No | No | - | TT | - | Resolved | Feb 5, 2025 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Dec 17, 2021 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Dec 17, 2021 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Dec 17, 2021 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Dec 17, 2021 | - | |
| Apr 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Jun 7, 2021 | - | |
| Apr 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Jun 7, 2021 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MON | No | Yes | - | - | - | Resolved | Sep 30, 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 | 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 | - | |
| Jun 1, 2019 | Nov 30, 2019 | MR | No | No | - | TT | - | Resolved | Nov 30, 2019 | - | |
| Jun 1, 2019 | Nov 30, 2019 | MR | No | No | - | TT | - | Resolved | Nov 30, 2019 | - | |
| Jun 1, 2019 | Nov 30, 2019 | MR | No | No | - | TT | - | Resolved | Nov 30, 2019 | - | |
| Jun 1, 2019 | Nov 30, 2019 | MR | No | No | - | TT | - | Resolved | Nov 30, 2019 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Sep 30, 2019 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Sep 30, 2019 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Sep 30, 2019 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Sep 30, 2019 | - | |
| Dec 30, 2014 | - | MR | No | No | - | TT | - | Resolved | Mar 10, 2015 | - | |
| Dec 30, 2014 | - | MR | No | No | - | TT | - | Resolved | Mar 10, 2015 | - | |
| Aug 1, 2013 | - | MR | No | No | - | - | - | Resolved | Nov 8, 2013 | - | |
| Aug 1, 2013 | - | MR | No | No | - | - | - | Resolved | Nov 8, 2013 | - | |
| Aug 1, 2013 | - | MR | No | No | - | - | - | Resolved | Nov 8, 2013 | - | |
| Aug 1, 2013 | - | MR | No | No | - | - | - | Resolved | Nov 8, 2013 | - | |
| May 12, 2012 | - | Other | No | No | - | - | - | Resolved | Nov 19, 2019 | - | |
| May 12, 2012 | - | Other | No | No | - | - | - | Resolved | Nov 19, 2019 | - | |
| May 12, 2012 | - | Other | No | No | - | - | - | Resolved | Nov 19, 2019 | - | |
| Apr 1, 2012 | Jun 30, 2012 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Jun 30, 2012 | - | |
| Feb 1, 2012 | Feb 29, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 2012 | - | |
| Feb 1, 2012 | Feb 29, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 2012 | - | |
| Feb 1, 2012 | Feb 29, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 2012 | - | |
| Feb 1, 2012 | Feb 29, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 2012 | - | |
| Jan 1, 2012 | Mar 31, 2012 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Mar 31, 2012 | - | |
| Jan 1, 2012 | Jan 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2012 | - | |
| Jan 1, 2012 | Jan 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2012 | - | |
| Jan 1, 2012 | Jan 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2012 | - | |
| Jan 1, 2012 | Jan 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2012 | - | |
| Dec 1, 2011 | Dec 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2011 | - | |
| Dec 1, 2011 | Dec 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2011 | - | |
| Dec 1, 2011 | Dec 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2011 | - | |
| Dec 1, 2011 | Dec 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2011 | - | |
| Oct 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Oct 1, 2011 | Dec 31, 2011 | MCL | Yes | No | .015 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2011 | - | |
| Oct 1, 2011 | Dec 31, 2011 | MCL | Yes | No | .015 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2011 | - |
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.