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You are here: Home / Water Quality / Total Maximum Daily Load Program / Lower San Antonio River: A TMDL Project to Protect Recreational Uses

Lower San Antonio River: A TMDL Project to Protect Recreational Uses

A project to reduce bacteria concentrations and protect recreational safety in the river. The TMDLs are adopted; stakeholders are developing the implementation plan. Together, the TMDLs and I-Plan provide the road map to improving water quality.
photo of the Lower San Antonio River at FM 791
Lower San Antonio River
at FM 791


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Watershed Counties:
DeWitt, Goliad, Karnes, Refugio, Victoria
Parameter: Bacteria
Basin: San Antonio River
Segment: 1901

Background

In the Lower San Antonio River, Segment 1901, water quality testing found concentrations of bacteria that may pose a health risk for swimmers. Swimming and other forms of recreation in which people come into direct contact with the water are called “contact recreation” in the state’s standards for water quality.

The goal of this project is to reduce bacteria concentrations in the Lower San Antonio River to within acceptable risk levels for contact recreation.

The San Antonio River Authority (SARA) Exit the TCEQ is a partner in this TMDL project.

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Adopted TMDL

The commission adopted the TMDL on August 20, 2008.

The EPA approved the TMDL on October 20, 2008, at which time it became part of the state’s Water Quality Management Plan.

Updates to TMDLs

From time to time, it is necessary to revise TMDLs to account for changing conditions in the watershed, such as new or amended permits, or urban growth, or to correct oversights in the original TMDL report. Revisions to the load allocations in TMDLs are made via the state’s WQMP, which is updated quarterly.

The WQMP provides projected effluent limits for use in planning and permitting activities under the Texas Pollutant Discharge Elimination System (TPDES). The TCEQ reviews all applications for new and amended permits for conformance with applicable portions of the WQMP, including adopted TMDLs.

Revisions to the TMDL are documented in the approved WQMP updates listed below.

Learn more about  WQMP updates and about opportunities to comment on revisions to them.

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Public Participation

Project staff are informing the public about this project through meetings and notices in print and electronic media. The meetings are open to everyone.

The San Antonio River Authority (SARA) Exit the TCEQ is coordinating implementation of the TMDLs.

Meeting Summaries and Presentations

The following documents are provided in PDF Adobe Acrobat PDF Document .

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For More Information

Please e-mail us at tmdl@tceq.texas.gov, and reference the Lower San Antonio River Bacteria TMDL in the subject line. Or call us at 512-239-6682.

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