Surface Water Quality: Data and Maps
TCEQ monitoring stations NS parameters, data management, and data collected by other agencies.
- Database and Assessment
- Realtime Data from Continuous Monitoring Stations
- Data from the Texas Clean Rivers Program
- Data from Other Agencies
- Collecting and Managing Data
- Data and Maps
Texas stream segments, 303(d) listed waters, and river basins, including GIS data.
- Atlas of Texas Surface Waters
The Atlas depicts the state’s surface waters according to the TCEQ’s system for classifying river basins and water body segments, including lakes, bays, ponds, reservoirs, streams, rivers, estuaries and wetlands. Order printed copies by phone, fax, or mail. Be sure to reference publication number GI-316.
Database and Assessment
- Database: Surface Water Quality
View and download sample data from the TCEQ's Surface Water Quality Monitoring Information System (SWQMIS).
- Texas Surface Water Quality Viewer
Look up uses, standards, and information on water-quality assessment for bodies of surface water in Texas. Search using a Texas map, by the name of a body of water, or by its segment number.
Real-Time Data from Continuous Monitoring Stations
Data associated with monitoring stations collecting data daily, at regular intervals.
- Stations and Data
Information from stations continuously monitoring water quality, by river basin
- Water-Parameter Averages (Data by day by parameter)
Hourly averages are calculated from data collected every 15 minutes.
- Data for Specific Monitoring Stations
- Site Information (table)
See site photos, maps, parameters monitored, current measurements, latitude and longitude, and elevation. The user may sort by Continuous Ambient Monitoring Station (CAMS) number, city, river basin, elevation, or responsible entity.
Data from the Texas Clean Rivers Program
- Data, Forms, and Map Resources
Download raw data on water quality (in text format) and information on monitoring stations. Search for monitoring-parameter codes by code or by description.
Data from Other Agencies
Collecting and Managing Data
- Managing Surface Water Quality Data
Guidance, forms, and contact information for the Water Data Management and Analysis Team. For all who submit data to the TCEQ’s SWQMIS database.
- Surface Water Quality Monitoring Guidance
Forms and Resources - Subject Listing
- Forms for Collecting and Managing Data,
and Assuring Data Quality
Forms for collecting and managing SWQM data and assuring the quality of data collected