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Elm and Sandies Creeks: A TMDL Project for Bacteria and Dissolved Oxygen

An inactive project to evaluate high bacteria and low dissolved oxygen concentrations in Elm and Sandies creeks in south central Texas
photo of Sandies Creek
Sandies Creek
Counties: De Witt, Guadalupe, Gonzales, Karnes, Wilson
Parameters: Bacteria, dissolved oxygen
Basin: Guadalupe River
Segments: 1803A, 1803B

Background and Goals

In Elm Creek and Sandies Creek in south central Texas, water quality assessment in 1999 found elevated levels of fecal coliform bacteria and low concentrations of dissolved oxygen. The TCEQ worked with the Guadalupe-Blanco River Authority Exit the TCEQ and other regional stakeholders to develop a plan to restore the quality of the affected streams. The program's South Central Texas Streams project verified the need to develop TMDLs for the creeks.

Disease-causing bacteria from human and animal waste may threaten public health. People who swim or wade in the creek may be at risk. Oxygen, which dissolves in water, is essential for the survival of aquatic life. While the amount of dissolved oxygen in water fluctuates naturally, various human activities can cause unusually or chronically low dissolved oxygen levels, which may harm fish and other aquatic organisms.

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Public Participation

The TCEQ informs stakeholders about this project at public meetings and in print and electronic media.

Meetings about TMDL projects are open to everyone.

Meeting Summaries

Meeting summaries and presentations are provided below in PDF.

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Project Documents

Final reports from the assessment to determine the need for TMDLs, in PDF.

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For More Information

Please e-mail us at tmdl@tceq.texas.gov, and reference the Elm and Sandies Creeks project in the subject line. Or call Dania Grundmann at 512-239-3449.

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Document Actions
Public Comment Requested

On proposed drafts of three TMDLs and their implementation plan for the Carters Creek Watershed. The public comment period ends at midnight, May 28, 2012.