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Current, Completed, and Inactive Projects of the TMDL Program

All TMDL projects, listed in alphabetical order by project name
communities working together taking care of our rivers, lakes, and bays

The TMDL Program works to restore Texas waterways that have limited quality in relation to one or more of their assigned uses, such as recreation, fishing, or healthy aquatic environment.

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Title Description
North Bosque River: Implementing a TMDL to Protect General Uses A project to improve water quality by developing and implementing TMDLs. The TMDLs are adopted and the I-Plan is approved; together, they provide the road map t...
Nueces Bay: A TMDL Project for Zinc A completed project to develop and implement TMDLs to reduce zinc in oyster harvesting waters.
Orange County Watersheds: A TMDL Project to Protect Aquatic Life and Recreational Uses A community project to improve water quality for support of recreational and aquatic life uses. TMDLs were developed and adopted for bacteria, dissolved oxygen,...
Oso Bay: A Community Project to Protect Recreational Uses A community project to reduce bacteria levels and protect recreational safety in the bay. Stakeholders are developing an implementation plan for the Oso Bay/Oso...
Oso Bay: A Project to Assess the Oyster Waters Use A completed assessment project to determine whether bacteria levels in Oso Bay are high enough to affect oyster beds in Corpus Christi Bay.
Oso Creek: A Community Project to Protect Recreational Uses A community project to protect recreational uses of the creek by reducing concentrations of bacteria in Oso Creek and in Oso Bay. The stakeholders are investiga...
Patrick Bayou: Assessing Toxic Substances and Temperature A completed project to assess the need for a TMDL for Patrick Bayou.
Sam Rayburn Reservoir: A Project to Evaluate the Aquatic Life Use A completed project to assess whether TMDLs were necessary to improve water quality for support of aquatic life in Sam Rayburn Reservoir
San Antonio River Basin, Leon River, and Peach Creek: Evaluating Water Quality for Recreation A completed project to assess the need to develop bacteria TMDLs for the San Antonio River, Salado Creek, Walzem Creek, Leon River, and Peach Creek
San Jacinto River Tidal: A Project to Assess Legacy Pollutants in Fish A completed project to assess consumer risk from legacy pollutants in edible fish
South Central Texas Streams: Evaluating Water Quality for Aquatic Life and Recreation Completed assessment project that evaluated high bacteria and low dissolved-oxygen concentrations in several streams in south central Texas and determined wheth...
Surveying Recreational Uses in Texas A completed project to survey recreational uses of several water bodies Texas
Tidal Streams: Evaluating Water Quality for Support of Aquatic Life A completed project to assess appropriate dissolved oxgyen criteria for support of aquatic life in tidal streams
Trinity River: A Project to Assess PCBs in Fish A current project to assess contamination by polychlorinated biphenyls (PCBs) in fish that live in portions of the Trinity River.
Upper Oyster Creek: Implementing TMDLs to Protect Aquatic Life and Recreational Uses A project to reduce bacteria and increase dissolved oxygen to protect recreational and aquatic life uses. The TMDLs are adopted and the I-Plan is approved. Toge...
Upper San Antonio River: A Community Project to Protect Recreational Uses A community project to reduce bacteria levels and protect recreational safety in the river. Stakeholders worked together to develop an approved I-Plan, which to...
Upper Texas Gulf Coast: A Project for Bacteria in Oyster Waters A community project to develop and implement TMDLs that reduce bacteria in oyster waters. The Department of State Health Services uses levels of certain bacteri...
Welsh Reservoir: Assessing the Safety of Fish Consumption A completed project to assess the safety of fish consumption in Welsh Reservoir

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