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Water Quality Data and Reports

Data and reports on drought conditions, river-basin water availability, and surface water quality.

 

Monitoring Data and Reports

Texas Water Data
An index of data available about surface water quality

Continuous Water Quality Monitoring Network
TCEQ continuous water quality monitoring stations, data, locations, and photos of monitoring sites.

Texas Water Quality Integrated Report
Formerly called the "Texas Water Quality Inventory and 303(d) List," the Integrated Report evaluates the quality of surface waters in Texas, and provides resource managers with a tool for making informed decisions when directing agency programs. The Integrated Report is prepared according to Clean Water Act Sections 305(b) and 303(d).

Hydrography Maps and Data
Links to the Atlas of Texas Surface Waters, data for Level 4 ecoregions, GIS data for classified segments, and other hydrology data layers for use in ArcGIS. Statewide hydrography maps and map-based viewers for surface water information.

Texas Clean Rivers Program: Data, Forms, and Map Resources
Surface water quality data, monitoring sites, data management procedures, maps, and GIS data related to surface water quality.

Texas Water Quality Integrated Report
Formerly called the "Texas Water Quality Inventory and 303(d) List," the Integrated Report evaluates the quality of surface waters in Texas, and provides resource managers with a tool for making informed decisions when directing agency programs. The Integrated Report is prepared pursuant to Clean Water Act Sections 305(b) and 303(d).

Projects and Procedures

Project Plans: Continuous Water Quality Monitoring Network
Detailed information for new continuous water quality monitoring projects not covered in the Continuous Water Quality Monitoring Network Quality Assurance Project Plan.

Special Projects of the Surface Water Quality Monitoring Team
Projects to monitor surface water quality to advance state and national goals or to advance scientific knowledge

Guidance, Manuals, and Procedures for Surface Water Quality Monitoring
Guides and procedures for activities to monitor and assess the quality of Texas surface waters.

Standard Operating Procedures: Continuous Water Quality Monitoring Network
Standard operating procedures (SOPs) for the various CWQMN instruments.

TCEQ Data Clearinghouse

Data not available online?

See standard and customized data and reports available for purchase from the TCEQ and how to request them.

Toxicology

TCEQ Toxicology
Toxicology is used to help us make scientifically sound decisions when developing environmental regulation and policy.