EQUISTAR CHEMICALS
Texas - Non-Transient Non-Community - PWSID: TX1780061
System Information
| PWSID | TX1780061 |
| System Name | EQUISTAR CHEMICALS |
| System Type | Non-Transient Non-Community |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Dec 21, 2012 |
| Last Reported | Mar 31, 2026 |
Location & Contact
| State | Texas |
| City | CORPUS CHRISTI |
| ZIP Code | 78460-0940 |
| Address | PO BOX 10940 |
| Organization | MATUS, ALICIA, R |
| Phone | 361-242-8075 |
Population & Service
| Population Served | 350 |
| Service Connections | 20 |
Drinking Water Violations (52)
This water system has 52 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, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Apr 1, 2024 | Apr 30, 2024 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2024 | - | |
| Apr 1, 2024 | Apr 30, 2024 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2024 | - | |
| Apr 1, 2024 | Apr 30, 2024 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2024 | - | |
| Apr 1, 2024 | Apr 30, 2024 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2024 | - | |
| Mar 1, 2024 | Mar 31, 2024 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2024 | - | |
| Mar 1, 2024 | Mar 31, 2024 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2024 | - | |
| Mar 1, 2024 | Mar 31, 2024 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2024 | - | |
| Mar 1, 2024 | Mar 31, 2024 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2024 | - | |
| Feb 1, 2022 | Feb 28, 2022 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2022 | - | |
| Feb 1, 2022 | Feb 28, 2022 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2022 | - | |
| Feb 1, 2022 | Feb 28, 2022 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2022 | - | |
| Feb 1, 2022 | Feb 28, 2022 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2022 | - | |
| May 1, 2021 | May 31, 2021 | MON | No | Yes | - | - | - | Resolved | May 31, 2021 | - | |
| May 1, 2021 | May 31, 2021 | MON | No | Yes | - | - | - | Resolved | May 31, 2021 | - | |
| May 1, 2021 | May 31, 2021 | MON | No | Yes | - | - | - | Resolved | May 31, 2021 | - | |
| May 1, 2021 | May 31, 2021 | MON | No | Yes | - | - | - | Resolved | May 31, 2021 | - | |
| Dec 30, 2016 | - | MR | No | No | - | TT | - | Resolved | Jan 27, 2017 | - | |
| Dec 30, 2016 | - | MR | No | No | - | TT | - | Resolved | Jan 27, 2017 | - | |
| Oct 1, 2013 | Dec 31, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Oct 1, 2013 | Dec 31, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Oct 1, 2013 | Dec 31, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Oct 1, 2013 | Dec 31, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2013 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2013 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2013 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Feb 10, 2013 | - | Other | No | No | - | - | - | Resolved | Feb 11, 2013 | - | |
| Feb 10, 2013 | - | Other | No | No | - | - | - | Resolved | Feb 11, 2013 | - | |
| Jan 1, 2013 | Mar 31, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2013 | - | |
| Jan 1, 2013 | Mar 31, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2013 | - | |
| Jan 1, 2013 | Mar 31, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2013 | - | |
| Jan 1, 2013 | Mar 31, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2013 | - | |
| Dec 1, 2012 | Dec 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2012 | - | |
| Dec 1, 2012 | Dec 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2012 | - | |
| Dec 1, 2012 | Dec 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2012 | - | |
| Dec 1, 2012 | Dec 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2012 | - | |
| Dec 1, 2012 | Dec 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 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 | - | |
| 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 | - |
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.