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Rivers, Lakes, and Estuaries: Water Quality

Planning for, managing, and assessing the quality of the state's surface waters.
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Featured Publications

Preserving and Improving Water Quality
An overview of the TCEQ's program to define, measure, and manage the quality of the state's surface waters

Texas Integrated Report of Surface Water Quality
for Clean Water Act Sections 305(b) and 303(d); biennial assessment state's rivers, lakes, and estuaries

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Data, Maps, & ReportsPlanning & Implementation Programs

Surface Water Quality Data Viewer Exit TCEQ
Use this viewer to locate monitoring stations and download water quality data.

Hydrography Maps and Data

Texas Integrated Report of Surface Water Quality for Clean Water Act Sections 305(b) and 303(d); biennial assessment state's rivers, lakes, and estuaries

Managing Water Quality Data

Nonpoint Source Program

Surface Water Quality Standards

Total Maximum Daily Load (TMDL) Program

Galveston Bay Estuary Program Exit TCEQ

Coastal Bend Bays and Estuaries Program Exit TCEQ

Monitoring & Assessment Programs Plans

Clean Rivers Program

Surface Water Quality Monitoring

 All Plans

Continuing Planning Process

Surface Water Quality Standards

Watershed Action Planning

Water Quality Management Plan

Advisory Groups

Groups that counsel the TCEQ about implementing legislation, developing rules, forming policies and procedures, and implementing plans to improve water quality.

See Also: Stormwater and Wastewater Permits and Registrations

Stormwater permits govern water runoff from urban areas and some types of facilities. Wastewater permits and registrations govern discharges of used water from various types of facilities. These permits are issued to protect and sustain water quality in rivers, lakes, and bays, in accordance with the state's Standards.

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