Texas Commission on Environmental Quality (TCEQ)

• Requirements for Public Water System wells - Find guidance on requirements for well construction, completion, and operation
• A Public Water System supplies water to be used for human consumption, and serves at least 15 service connections or serves at least 25 individuals for at least 60 days out of the year

• ​Texas Alliance of Groundwater Districts - Detailed information about the state’s groundwater conservation districts in an easy map viewer.​​
• Texas Geographic Information Office - Downloadable map catalog ranging from basic county maps to those related to regional water supply and flood planning, as well as groundwater and surface water management. ​​

Texas Department of Licensing and Regulation (TDLR)

• Water Well Drillers and Pump Installers Main Page - Explore state rules and regulations for water well drillers and pump installers, including licensing fees, continuing education status, examination requirements, meetings, and more. ​
• ​Apply for a New License
• Renew your License​
• Apply for an Apprentice Registration
• Renew an Apprentice Registration

Texas Water Development Board (TWDB)

• Texas Water Development Board - Since 1957, the TWDB has been charged with addressing the state's water needs.
• ​Texas Well Report Submission and Retrieval System (TWRSRS) 
• Groundwater Data Viewer - interactive map that includes submitted well reports and plugging reports