State Agencies

• Texas Commission on Environmental Quality
• Texas State Soil & Water Conservation Board     
• Texas Water Development Board 
• Texas Water Information Network   

Texas River Authorities and Water Districts

• Texas Water Districts – statewide list
• Brazos River Authority
• Canadian River Municipal Water Authority
• Edwards Aquifer Water Authority
• Lower Colorado River Authority
• Red River Authority (Red & Canadian Rivers)
• Sabine River Authority
• San Antonio River Authority
• Trinity River Authority
• Upper Guadalupe River Authority

Organizations & Associations

• Texas Alliance of Groundwater Districts
• Texas Center for Policy Studies
• Texas Environmental Profiles
• Texas Natural Resource Conservation Commission  
• Texas Natural Resources Information System  
• Texas On-Site Wastewater Treatment Council
• Texas Parks and Wildlife  
• Texas Rural Water Association  
• Texas Section American Waterworks Association
• Texas Small Public Water System Training Program 
• Texas Watch
• Texas Water Conservation Association
• Texas Water Foundation
• Texas Water Matters   
• Texas Water Resources Education 
• Texas Water Utilities Association
• Water Environment Association of Texas
• Waterwise Council of Texas