PORT OCONNOR IMPROVEMENT DISTRICT
PWS ID: TX0290065 · PORT O CONNOR, Texas 77982-0375
Population Served
1,568
Total Violations
56
Health-Based Violations
15
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 2,061
- County
- Calhoun
- School/Daycare
- No
- MCL Violations
- 15
- Monitoring Violations
- 35
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Chlorine | MR | 16 | 2021 |
| TTHM | MCL | 12 | 2024 |
| Coliform (TCR) | MR | 8 | 2010 |
| Lead and Copper Rule | MR | 7 | 2019 |
| Public Notice | Other | 5 | 2019 |
| Revised Total Coliform Rule | MON | 4 | 2018 |
| Coliform (TCR) | MCL | 3 | 2006 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.