CITY OF OBRIEN
Texas - Community Water System - PWSID: TX1040005
System Information
| PWSID | TX1040005 |
| System Name | CITY OF OBRIEN |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 14, 1980 |
| Last Reported | Mar 31, 2026 |
Location & Contact
| State | Texas |
| City | O BRIEN |
| ZIP Code | 79539-0038 |
| Address | PO BOX 38 |
| Organization | CASILLAS, CHRIS, M |
| Phone | 940-658-3313 |
Population & Service
| Population Served | 87 |
| Service Connections | 72 |
Drinking Water Violations (413)
This water system has 413 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 26, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Jul 18, 2025 | - | |
| Jul 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Jul 18, 2025 | - | |
| Jul 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Jul 18, 2025 | - | |
| Jul 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Jul 18, 2025 | - | |
| May 1, 2025 | - | Other | No | No | - | - | - | Resolved | Aug 19, 2025 | - | |
| May 1, 2025 | - | Other | No | No | - | - | - | Resolved | Aug 19, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Jun 18, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Jun 18, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Jun 18, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Jun 18, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Jun 18, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Jun 18, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Jun 18, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Jun 18, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Jun 18, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Jun 18, 2025 | - | |
| Oct 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Jul 18, 2025 | - | |
| Oct 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Jul 18, 2025 | - | |
| Oct 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Jul 18, 2025 | - | |
| Oct 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Jul 18, 2025 | - | |
| Dec 30, 2023 | - | MR | No | No | - | TT | - | Resolved | Feb 14, 2024 | - | |
| Dec 30, 2023 | - | MR | No | No | - | TT | - | Resolved | Feb 14, 2024 | - | |
| Jun 17, 2021 | - | Other | No | No | - | - | - | Resolved | Sep 2, 2021 | - | |
| Jun 17, 2021 | - | Other | No | No | - | - | - | Resolved | Sep 2, 2021 | - | |
| Jan 1, 2021 | Mar 31, 2021 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2021 | - | |
| Jan 1, 2021 | Mar 31, 2021 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2021 | - | |
| Jan 1, 2021 | Mar 31, 2021 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2021 | - | |
| Jan 1, 2021 | Mar 31, 2021 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2021 | - | |
| Jan 1, 2021 | Mar 31, 2021 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2021 | - | |
| Dec 30, 2020 | - | MR | No | No | - | 0.060 mg/L | - | Resolved | Mar 26, 2021 | - | |
| Dec 30, 2020 | - | MR | No | No | - | 0.080 mg/L | - | Resolved | Mar 26, 2021 | - | |
| Dec 30, 2020 | - | MR | No | No | - | 0.060 mg/L | - | Resolved | Mar 26, 2021 | - | |
| Dec 30, 2020 | - | MR | No | No | - | 0.080 mg/L | - | Resolved | Mar 26, 2021 | - | |
| Dec 30, 2020 | - | MR | No | No | - | 0.080 mg/L | - | Resolved | Mar 26, 2021 | - | |
| Dec 30, 2020 | - | MR | No | No | - | 0.060 mg/L | - | Resolved | Mar 26, 2021 | - | |
| Dec 30, 2020 | - | MR | No | No | - | 0.060 mg/L | - | Resolved | Mar 26, 2021 | - | |
| Dec 30, 2020 | - | MR | No | No | - | 0.060 mg/L | - | Resolved | Mar 26, 2021 | - | |
| Dec 30, 2020 | - | MR | No | No | - | 0.060 mg/L | - | Resolved | Mar 26, 2021 | - | |
| Dec 30, 2020 | - | MR | No | No | - | 0.080 mg/L | - | Resolved | Mar 26, 2021 | - | |
| Dec 30, 2020 | - | MR | No | No | - | 0.080 mg/L | - | Resolved | Mar 26, 2021 | - | |
| Dec 30, 2020 | - | MR | No | No | - | 0.080 mg/L | - | Resolved | Mar 26, 2021 | - | |
| Nov 27, 2020 | - | Other | No | No | - | - | - | Resolved | Jan 26, 2021 | - | |
| Nov 27, 2020 | - | Other | No | No | - | - | - | Resolved | Jan 26, 2021 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | .102 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | .102 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | .066 MG/L | 0.060 mg/L | .06 | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | .066 MG/L | 0.060 mg/L | .06 | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | .066 MG/L | 0.060 mg/L | .06 | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | .102 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2020 | - |
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.