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The TCEQ monitors the quality of surface water to evaluate physical, chemical, and biological characteristics of aquatic systems with reference to human health concerns, ecological condition, and designated uses. Data provide a basis for effective policies that promote the protection, restoration, and wise use of surface water in Texas.
TCEQ Surface Water Quality Monitoring Web Reporting TCEQ Sampling Data Query, Surface Water Quality Monitoring
Use our Water Resources Information Map (WRIM) to locate Regional Monitoring Stations and access Water Quality Data.
Datasets on this page contain TCEQ Quality Assured ZIP data files for the four assessment basins within the H-GAC Region. Data is in MS Access 2007 format and has been zipped.
Database and table field descriptions
Houston-Galveston Area Council