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Lower Laguna Madre: Watershed Characterization (South)

A project to analyze water quality data for southern portions of the Lower Laguna Madre coastal watershed as a first step in developing a watershed protection plan.


Portions of the Lower Laguna Madre are listed in the Texas Integrated Report as impaired (not meeting Water Quality Standards) because of low dissolved oxygen and levels of fecal bacteria that have exceeded the contact recreation standard. Prior to this project, there was a lack of data on pollutant contributions to the Lower Laguna Madre from the southern portion of its coastal watershed, via the Brownsville Ship Channel and several resacas (smaller distributaries of the Rio Grande) between the Arroyo Colorado and Rio Grande watersheds. 

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Project Description

The University of Texas - Rio Grande Valley performed a watershed characterization of this southern portion of the coastal watershed of the Laguna Madre. The tasks included the following:

  • acquire existing data;
  • collect new monitoring data;
  • identify potential sources of pollution;
  • provide public education programs and convene meetings in the watershed to discuss findings.


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For More Information

To find out more about the NPS Program, call 512-239-6682 or e-mail us at nps@tceq.texas.gov.

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