CITY OF OBRIEN
PWS ID: TX1040005 · O BRIEN, Texas 79539-0038
Population Served
87
Total Violations
410
Health-Based Violations
137
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 72
- County
- Haskell
- School/Daycare
- No
- MCL Violations
- 132
- Monitoring Violations
- 176
- Treatment Tech Violations
- 5
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Chlorine | MR | 96 | 2013 |
| TTHM | MCL | 69 | 2021 |
| Public Notice | Other | 58 | 2025 |
| Nitrate | MCL | 40 | 2015 |
| Coliform (TCR) | MR | 33 | 2014 |
| Total Haloacetic Acids (HAA5) | MCL | 18 | 2020 |
| Lead and Copper Rule | MR | 14 | 2025 |
| Consumer Confidence Rule | Other | 12 | 2013 |
| TTHM | MR | 12 | 2020 |
| E. COLI | MR | 11 | 2012 |
| Total Haloacetic Acids (HAA5) | MR | 6 | 2020 |
| Coliform (TCR) | MCL | 5 | 2012 |
| LEAD AND COPPER RULE REVISIONS | TT | 5 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 5 | 2024 |
| Revised Total Coliform Rule | MON | 4 | 2016 |
| Coliform (TCR) | Other | 1 | 1992 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.