The Sabine River Authority of Texas has six offices in four counties: three in Orange County and one each in Newton, Wood, and Rains Counties.
Orange County
- Authority General Office
- Administration
- Operations Branch
- Water Resources Branch
- Accounting & Records Division
- Technical Services Division
- Resource Management & Project Development Division
- FERC Compliance
- Information Technology
- Environmental Services Division
- Water Quality Laboratory
- Lower Basin Field Office
- Gulf Coast Division
- Division Office
- Pump Station
Newton County
- Toledo Bend Division
- Division Office
- Toledo Bend Project Joint Operation Office
Wood County
- Lake Fork Division
- Division Office
- Environmental Services Division Upper Basin Field Office
Rains County
- Lake Tawakoni Division
- Division Office