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Status and Activities: Implementing the TMDL for Gilleland Creek

What's going on and what's been done to reduce bacteria in Gilleland Creek and make it safe for recreation.
Gilleland Creek near railroad bridge LCRA training event for Gilleland Creek stakeholders Gilleland Creek landscape

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Project Location and Parameters Project Navigation TMDL Program Navigation
County: Travis
Parameter:  Bacteria
River Basin:  Colorado
Segment: 1428C

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Revising the I-Plan

Videos, Maps, and Photos

TMDL and Implementation Plan

Reports and Other Documents

TMDL Projects



The TCEQ coordinates annual follow-up meetings, providing opportunities for stakeholders to report on progress and changes in the watershed. At each meeting, stakeholders had positive reports of steps being taken toward water quality improvement.

monitoring Gilleland Creek
  • 2011, First Year Implementing the Plan


Volunteers in the Colorado River Watch Network Exit the TCEQ continue to monitor water quality in Gilleland Creek at several sites in the city of Pflugerville Exit the TCEQ.

Gilleland Creek Stormwater Retrofit, 2014
The University of Texas modified a stormwater retention basin with the goal of reducing targeted pollutants by 50%. See photos of the basins.

In 2013, the Austin City Council passed a comprehensive overhaul of the city's Watershed Protection Ordinance Exit the TCEQ. At the core of the ordinance are three interrelated changes: better stream buffers, improved floodplain protections, and new erosion hazard provisions. The ordinance extends creek buffers—setbacks to ensure that development is not built too close to waterways—for over 400 miles of smaller “headwaters” streams.

On August 14, 2012, the Travis County Commissioners’ Court approved requirements to establish stream setbacks Adobe Acrobat PDF Document applicable to development in all unincorporated areas of the watershed.

Contact Us

Please e-mail us at tmdl@tceq.texas.gov, and reference the Gilleland Creek bacteria project in the subject line. Or call us at 512-239-6682.

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communities working together taking care of our rivers, lakes, and bays