Skip to content. | Skip to navigation

Personal tools


Questions or Comments:
You are here: Home / GIS Geographic Information Systems / Surface Water Quality (Segments) Viewer

Surface Water Quality (Segments) Viewer

This viewer allows users to view the stream segments and water bodies (including impairment status) for any body of water in Texas that the TCEQ monitors. Surface Water Quality Monitoring (SWQM) Stations are also included in the viewer.


Using this interactive map viewer, you can view stream segments and water bodies monitored by the TCEQ. You can also select a particular segment or water body to view additonal information such as segment name, ID number, description, and impairment status.

Also included in the viewer are:

  1. The locations of the Surface Water Quality Monitoring (SWQM) Stations.
  2. Customized tools allow you to search by address, obtain coordinates, measure distances, and create bookmarks.
  3. A selection of basemaps to choose from including streets, aerial imagery, and topographic maps.
  4. Simple navigation tools you can use to pan and zoom.


User Guide - Read this first. This downloadable PDF document Adobe Acrobat PDF Document explains how to use the tools available in the viewer. New Information

Go to the Viewer - Best viewed using Internet Explorer V9.0 and above, Firefox V22.0 and above, or Google Chrome V28.0 and above.