Surface Water Quality Viewer

The viewer displays information developed for the state’s assessments of surface-water quality. Search using a Texas map, by the name of a water body, or by its segment number.

• Important! If you are a first-time user, please read
  How to Use the Viewer.
  Note: Best viewed using Microsoft Internet Explorer 5.01 (and higher) or Netscape 4.7 (and higher), with JScript or JavaScript enabled. Pages in the viewer cannot be bookmarked. Deactivate one or more of your browser’s toolbars to increase your browser’s window size. Best viewed with a 17-inch monitor set at 768 pixels high by 1,024 pixels wide. Some reports are provided in Portable Document Format (PDF). It is best to cascade windows in order to see which parts of the viewer are active and enabled.
• Glossary of Terms used with the viewer.
• Disclaimer regarding map and data.
• Enter the Viewer