Houston Metropolitan Area: A TMDL Project for Bacteria

Counties: Fort Bend, Harris, Waller
Parameter: Bacteria
Basins: San Jacinto River
Segments: 1016, 1006E, 1007C, 1007B, 1007R, 1007D, 1006D, 1016B, 1007E, 1016A, 1007K, 1016D, 1007I, 1016C, 1007Q, 1006J, 1006H, 1007G, 1007P, 1007F, 1006F, 1007O, 1007N, 1007L, 1007M, 1007H, 1006I

Background and Goals

Water quality testing found that bacteria levels are sometimes elevated in five bayous in the Houston area — Brays Bayou, Greens Bayou, Halls Bayou, Hunting Bayou, and Sims Bayou. The bayous are subdivided into 27 segments in order to manage water quality in the subwatersheds.

Bacteria from human and animal waste often indicate the presence of disease-causing microorganisms that pose a threat to public health. People who swim or wade in the bayous may be at risk. Swimming and wading is called contact recreation in the state's standards for water quality, referring to all recreation in which people come in direct contact with the water.

The goal of this project is to reduce bacteria concentrations to within acceptable risk levels for contact recreation by developing total maximum daily loads. The TMDLs for this project are being coordinated with other projects to reduce bacteria in Houston area streams and the Galveston Bay system (see “Related Links”).

Map of watersheds in Harris County
Watersheds
in Harris County
Map courtesy of
the Harris County Flood Control District

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Public Participation

Project personnel are involving the public in project development through public meetings and notices in print and electronic media. The Houston-Galveston Area Council (H-GAC) Exit the TCEQ is coordinating public participation activities for the project.

Meetings about TMDL projects are open to everyone.

Summaries of public meetings Exit the TCEQ regarding this project are available on H-GAC’s TMDL Meetings Web page.

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Bacteria Implementation Group

The TCEQ is working with the Bacteria Implementation Group (BIG) Exit the TCEQ of the H-GAC to develop a plan to reduce bacteria concentrations in 12 watersheds in the Houston area, including the projects for Clear Creek, Lake Houston, Buffalo and Whiteoak Bayous, and the this project.

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Project Documents

The following documents are available in PDF. Help with PDF.

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For More Information

For additional information regarding public participation opportunities, contact Earlene Lambeth at 512/239-3129. For technical information about this project, contact Ron Stein at 512/239-4507. Or e-mail us at tmdl@tceq.state.tx.us, and reference the Houston Metro TMDL Project in the subject line.

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RELATED LINKS:

Buffalo and Whiteoak Bayous: A TMDL Project for Bacteria

Clear Creek: A TMDL Project for Bacteria

Lake Houston: A TMDL Project for Bacteria

Hydrography Maps and Data