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News from the Texas TMDL Program

News announcements including proposed TMDLs or I-Plans for public comment, approved TMDLs or I-Plans, and training opportunities.


The TMDL Program sets targets for improved quality in surface waters. Communities in the watersheds work together to develop implementation plans (I-Plans) to achieve those targets.

See the Calendar for the TMDL Program for scheduled stakeholder meetings.

Commission Adopts TMDLs and Approves I-Plan

On August 14, the commission adopted two TMDLs for bacteria in Lavaca River Above Tidal and Rocky Creek, and approved the stakeholder-developed Implementation Plan.

Commission Adopts TMDL

On July 31, the commission adopted a TMDL for bacteria in Oso Creek. Community stakeholders worked with the TCEQ to develop the TMDL, and are currently working on an I-Plan for both Oso Creek and Oso Bay.


Comment on Update to the Water Quality Management Plan

The public is invited to comment on the Draft July 2019 WQMP update. The draft WQMP includes updates to bacteria TMDLs for Gilleland Creek and to Lake Houston Upstream Watersheds, Buffalo and Whiteoak Bayous, and San Jacinto River East and West Forks in the Houston-Galveston area. The public comment period ends September 9, 2019.

Training, Events, and Workshops

Texas A&M offers several opportunities for training in various aspects of Watershed Planning Exit the TCEQ.

Texas AgriLife's Watershed Steward Program Exit the TCEQ is offering an online course Exit the TCEQ. The Texas Watershed Steward (TWS) program provides science-based, watershed education to help citizens identify and take action to address local water quality impairments. Texas Watershed Stewards learn about the nature and function of watersheds, potential impairments, and strategies for watershed protection.

Contact the TMDL Program

Send us an e-mail at tmdl@tceq.texas.gov or call 512-239-6682.

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