Angelina-Neches River Authority - Clean Rivers Program, Database
Brazos River Authority - Flow Data and Reservoir Levels, Clean Rivers Program
Guadalupe-Blanco River Authority - Water Resource Information, Water Quality Data, Clean Rivers Program
Lavaca-Navidad River Authority - Water Quality, Surface Water Quality Monitoring Station data, Reservoir Data
Lower Colorado River Authority - Flow Data and Reservoir Levels, Water Quality Report and Data, Water Quality Mapper
Nueces River Authority - Clean Rivers Program
Red River Authority - On-line Data Repository
Sulphur River Basin Authority
Trinity River Authority - Stream Flow Data
Upper Colorado River Authority - Clean Rivers Program
