Questions or Comments: swqm@tceq.texas.gov
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Surface Water Quality Segments Viewer

This interactive map 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.

  • Open the Map ViewerExit the TCEQ
  • application/pdfUser Guide - This downloadable PDF document explains how to use the tools available in the viewer.
  • Metadata - For more details about this data and the map viewer, please visit the Surface Water Quality Viewer Description Exit the TCEQ page in ArcGIS Online.
  • Access and Use Constraints – This product is for informational purposes and may not have been prepared for or be suitable for legal, engineering, or surveying purposes. It does not represent an on-the-ground survey and represents only the approximate relative location of property boundaries.
    Presently, all GIS related applications have a statewide exemption from 1 TAC 213 granted by the Department of Info Resources Exit the TCEQ. If you require special assistance, please consult the Esri Software - Voluntary Product Accessibility Templates (VPATs) Exit the TCEQ for ArcGIS Online applications.
  • Contact Us – E-mail the Surface Water Quality Monitoring Program staff at swqm@tceq.texas.gov or talk with staff in the program at 512-239-6682.