PORT OCONNOR IMPROVEMENT DISTRICT
Texas - Community Water System - PWSID: TX0290065
System Information
| PWSID | TX0290065 |
| System Name | PORT OCONNOR IMPROVEMENT DISTRICT |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Nov 11, 1999 |
| Last Reported | Jun 26, 2026 |
Location & Contact
| State | Texas |
| City | PORT O CONNOR |
| ZIP Code | 77982-0375 |
| Address | PO BOX 375 |
| Organization | MCGUIRE, DANNY |
| Phone | 361-983-2652 |
Population & Service
| Population Served | 1,139 |
| Service Connections | 2,134 |
Drinking Water Violations (64)
This water system has 64 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2026 | Mar 31, 2026 | MCL | Yes | No | .114 MG/L | 0.080 mg/L | .08 | Archived | Mar 31, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MCL | Yes | No | .114 MG/L | 0.080 mg/L | .08 | Archived | Mar 31, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MCL | Yes | No | .114 MG/L | 0.080 mg/L | .08 | Archived | Mar 31, 2026 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | .104 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | .104 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | .104 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2025 | - | |
| Jul 2, 2025 | - | RPT | No | No | - | - | - | Resolved | Apr 21, 2026 | - | |
| Jul 2, 2025 | - | RPT | No | No | - | - | - | Resolved | Apr 21, 2026 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .089 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .089 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .089 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .089 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .092 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .092 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .092 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .092 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2024 | - | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2021 | - | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2021 | - | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2021 | - | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2021 | - | |
| Dec 30, 2019 | - | MR | No | No | - | TT | - | Resolved | Mar 16, 2020 | - | |
| Dec 30, 2019 | - | MR | No | No | - | TT | - | Resolved | Mar 16, 2020 | - | |
| Nov 1, 2019 | - | Other | No | No | - | - | - | Resolved | Nov 1, 2022 | - | |
| Nov 1, 2019 | - | Other | No | No | - | - | - | Resolved | Nov 1, 2022 | - | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2019 | - | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2019 | - | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2019 | - | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2019 | - | |
| Oct 1, 2018 | Oct 31, 2018 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2018 | - | |
| Oct 1, 2018 | Oct 31, 2018 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2018 | - | |
| Oct 1, 2018 | Oct 31, 2018 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2018 | - | |
| Oct 1, 2018 | Oct 31, 2018 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2018 | - | |
| Dec 30, 2016 | - | MR | No | No | - | TT | - | Resolved | Feb 8, 2017 | - | |
| Dec 30, 2016 | - | MR | No | No | - | TT | - | Resolved | Feb 8, 2017 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Oct 1, 2014 | Dec 31, 2014 | MCL | Yes | No | .085 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2014 | - | |
| Oct 1, 2014 | Dec 31, 2014 | MCL | Yes | No | .085 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2014 | - | |
| Oct 1, 2014 | Dec 31, 2014 | MCL | Yes | No | .085 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2014 | - | |
| Oct 1, 2014 | Dec 31, 2014 | MCL | Yes | No | .085 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2014 | - | |
| Dec 30, 2013 | - | MR | No | No | - | TT | - | Resolved | Mar 6, 2014 | - | |
| Jan 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Nov 7, 2013 | - | |
| Jul 1, 2010 | - | MR | No | No | - | TT | - | Resolved | Nov 7, 2013 | - | |
| Jan 1, 2010 | Jan 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2010 | - | |
| Jan 1, 2010 | Jan 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2010 | - | |
| Jan 1, 2010 | Jan 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2010 | - | |
| Jan 1, 2010 | Jan 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2010 | - | |
| Jan 1, 2010 | Jan 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 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.