Preserving and Protecting Water Quality in Texas An overview of the standards and criteria the TCEQ uses to define and evaluate the quality of surface waters in Texas, and
the programs and practices the state employs to protect and restore water quality.
Surface Water Quality Data and Reports Status of groundwater and surface water quality, including the Texas Water Quality Inventory [305(b) report] and the list
of waters not meeting standards {303(d) list]. Maps and map-based viewers. Monitoring stations, parameters, events, and results.
Water in the Neches River Basin Information about water quality, water availability, and other environmental issues in this river basin.
Water in the Neches-Trinity Coastal Basin Information about water quality, water availability, and other environmental issues in this area between major river basins.
Water in the Nueces River Basin Information about water quality, water availability, and other environmental issues in this river basin.