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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.

back arrow Back to TMDL Projects

Title Description
Lower Leon Creek: Fish Tissue Sampling Project An inactive project to evaluate and reduce high PCB concentrations in fish tissue Lower Leon Creek
Lower Sabinal River: A TMDL Project for Nitrate-Nitrogen A completed project to improve water quality in the Lower Sabinal River. The TMDL is adopted and the implementation plan is approved; together, they provide the...
Lower San Antonio River: A Community TMDL Project to Protect Recreational Uses A community project to reduce bacteria concentrations and protect recreational safety in the river. The TMDLs are adopted; stakeholders are developing the imple...
Martin Creek Reservoir: Assessing the Safety of Fish Consumption A completed project to assess the safety of consuming fish from Martin Creek Reservoir
Matagorda Bay and Nearby Coastal Waters: A Project to Assess Dissolved Oxygen and pH A completed project to assess dissolved oxygen and pH in Matagorda Bay and nearby coastal waters
Matagorda Bay Watersheds: Protecting Recreational Uses The goal of this current project is to make recreation safer by reducing bacteria levels in waterways of the greater Matagorda Bay watershed.
Mid Cibolo Creek: A Project for Dissolved Oxygen A completed project to assess and improve dissolved oxygen concentrations in Mid Cibolo Creek in South Central Texas
Mission and Aransas Rivers, Tidal Portions: A Community Project to Protect Recreational Uses A community project to keep recreation safe in tidal segments of the Mission and Aransas rivers by reducing bacteria levels. Together, the adopted TMDLs and app...
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 and the Laguna Madre: Assessing the Aquatic Life Use A completed project to assess low dissolved-oxygen conditions in Oso Bay and Laguna Madre
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.
Petronila Creek: Implementing a Plan to Improve Water Quality A project to implement TMDLs that reduce salinity from chloride, sulfate, and dissolved solids in Petronila Creek. Together, the adopted TMDLs and the approved ...
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
Tres Palacios Creek: A Community Project to Protect Recreational Uses A project to reduce bacteria and protect recreational safety in Tres Palacios Creek. The stakeholders and the TCEQ are developing a total maximum daily load (TM...
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...
Upper Trinity River Watersheds: Protecting Recreational Uses The goal of this current project is to make recreation safer by reducing bacteria levels in waterways of the greater Trinity River watershed.
Welsh Reservoir: Assessing the Safety of Fish Consumption A completed project to assess the safety of fish consumption in Welsh Reservoir

Also in this section

Lower Leon Creek: Fish Tissue Sampling Project
An inactive project to evaluate and reduce high PCB concentrations in fish tissue Lower Leon Creek
Lower Sabinal River: A TMDL Project for Nitrate-Nitrogen
A completed project to improve water quality in the Lower Sabinal River. The TMDL is adopted and the implementation plan is approved; together, they provide the road map for improved water quality.
Lower San Antonio River: A Community TMDL Project to Protect Recreational Uses
A community project to reduce bacteria concentrations and protect recreational safety in the river. The TMDLs are adopted; stakeholders are developing the implementation plan. Together, the TMDLs and I-Plan provide the road map to improving water quality.
Martin Creek Reservoir: Assessing the Safety of Fish Consumption
A completed project to assess the safety of consuming fish from Martin Creek Reservoir
Matagorda Bay and Nearby Coastal Waters: A Project to Assess Dissolved Oxygen and pH
A completed project to assess dissolved oxygen and pH in Matagorda Bay and nearby coastal waters
Matagorda Bay Watersheds: Protecting Recreational Uses
The goal of this current project is to make recreation safer by reducing bacteria levels in waterways of the greater Matagorda Bay watershed.
Mid Cibolo Creek: A Project for Dissolved Oxygen
A completed project to assess and improve dissolved oxygen concentrations in Mid Cibolo Creek in South Central Texas
Mission and Aransas Rivers, Tidal Portions: A Community Project to Protect Recreational Uses
A community project to keep recreation safe in tidal segments of the Mission and Aransas rivers by reducing bacteria levels. Together, the adopted TMDLs and approved implementation plan provide the road map for improving water quality.
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 to improved water quality.
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, and pH. Stakeholders developed the approved implementation plan, which together with the TMDLs is the road map for improving water quality.
Oso Bay and the Laguna Madre: Assessing the Aquatic Life Use
A completed project to assess low dissolved-oxygen conditions in Oso Bay and Laguna Madre
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 Creek watershed, which, together with the TMDLs, will provide the road map for improving water quality.
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 investigating ways to improve water quality, including development of a total maximum daily load (TMDL) and its implementation plan (I-Plan), which together are a road map for improving water quality.
Patrick Bayou: Assessing Toxic Substances and Temperature
A completed project to assess the need for a TMDL for Patrick Bayou.
Petronila Creek: Implementing a Plan to Improve Water Quality
A project to implement TMDLs that reduce salinity from chloride, sulfate, and dissolved solids in Petronila Creek. Together, the adopted TMDLs and the approved Implementation Plan provide the road map to improved water quality.
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 whether TMDLs were required
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
Tres Palacios Creek: A Community Project to Protect Recreational Uses
A project to reduce bacteria and protect recreational safety in Tres Palacios Creek. The stakeholders and the TCEQ are developing a total maximum daily load (TMDL), which together with its implementation plan will be the road map for improving water quality.
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. Together, they provide the road map to improved water quality.
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 together with the adopted TMDLs is the road map to improving water quality.
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 bacteria as an indicator of the safety of oyster harvesting. The TMDLs are adopted and the I-Plan is approved. Together, they provide the road map to improved water quality.
Upper Trinity River Watersheds: Protecting Recreational Uses
The goal of this current project is to make recreation safer by reducing bacteria levels in waterways of the greater Trinity River watershed.
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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