Upper San Antonio River: A TMDL Project for Bacteria

Watershed Counties: Bexar, Comal, Guadalupe, Kendall, Wilson
Parameter: Bacteria
Basin: San Antonio River
Segments: 1910, 1910A, 1911
photo of the San Antonio River
San Antonio River

Background
and Goals

In three streams in the San Antonio River Basin, 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 to within acceptable risk levels for contact recreation in the affected segments—Salado Creek (Segment 1910), Walzem Creek (Segment 1910A), and the Upper San Antonio River (Segment 1911).

The San Antonio River Authority (SARA)Exit the TCEQ is a partner in this TMDL project. SARA is working concurrently with its regional partners to develop a watershed protection plan (WPP) for the upper San Antonio River Basin. The WPP will serve as a guide for reducing pollution in the San Antonio River Basin. SARA has published the WPPExit the TCEQ on its web site.

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Public Participation

An advisory group has been formed to involve the public in development of the TMDL. The group includes stakeholders who represent government, permitted facilities, agriculture, business, environmental, and community interests. This voluntary committee provides advice and comment to the TCEQ on its project to restore water quality in the Upper San Antonio River Basin.

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TMDLs

The commission adopted these TMDLs on July 25, 2007. The EPA approved the TMDLs on September 25, 2007, at which time they became part of the state's Water Quality Management Plan.

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For More Information

For additional information regarding these committees, please call Kerry Niemann at 512/239-0483. Or e-mail us at tmdl@tceq.state.tx.us, and reference the Upper San Antonio River Bacteria TMDL in the subject line.

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RELATED LINKS:

TMDLs and How They Are Implemented

Hydrography Maps and Data

Upper San Antonio River Bacteria TMDL Advisory Group

San Antonio River Basin, the Leon River, and Peach Creek: A TMDL Project for Bacteria

Projects of the TMDL Program