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News from the Texas TMDL Program

News announcements including proposed TMDLs or I-Plans for public comment, adopted TMDLs or approved 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.

EPA Approves TMDLs

On October 25, 2019, the EPA approved TMDLs for bacteria in the Navasota River Below Lake Limestone, the Lavaca River Above Tidal and Rocky Creek, and Oso Creek.


Comment on Update to the Water Quality Management Plan

The public is invited to comment on the Draft October 2019 WQMP update. The draft WQMP includes updates and an addendum to bacteria TMDLs for Lake Houston Upstream Watersheds in the Houston-Galveston area, along with an addendum to bacteria TMDLs for Mountain Creek Lake Upstream Watersheds in the Greater Trinity Region, and an addendum to bacteria TMDLs for the Upper San Antonio River. The public comment period ends December 12, 2019.

Training, Events, and Workshops

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

Texas Water Resources Institute offers training in Urban Riparian and Stream RestorationExit the TCEQ.

Texas AgriLife's Watershed Steward ProgramExit the TCEQ offers an online courseExit the TCEQ.

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