As of March 5, 2026: Texas communities are being targeted in a phishing campaign with emails posing as TWDB.

Administrative Rules

Rule Review Schedule

Pending Rule Actions

Rule Number Heading Action Texas Register Issue Comment Deadline Spanish Translation
31 TAC Ch 356.32; 356.42; 356.52; 356.54 Groundwater Management Proposed Amendment April 17, 2026
51 TexReg, pp 2496-2500		 May 18, 2026 EL RESUMEN EN ESPAÑOL
31 TAC Ch 358.6 State Water Planning Guidelines Proposed Repeal April 17, 2026
51 TexReg, pp 2501-2502		 May 18, 2026 EL RESUMEN EN ESPAÑOL
31 TAC Ch 358.10-358.15 Water Loss Audits Proposed New April 17, 2026
51 TexReg, pp 2502-2506		 May 18, 2026 EL RESUMEN EN ESPAÑOL
31 TAC Ch 363.12; 363.15 Financial Assistance Programs Proposed Amendment April 17, 2026
51 TexReg, pp 2506-2509		 May 18, 2026 EL RESUMEN EN ESPAÑOL

Comments on pending rulemaking may be submitted to Ashley Harden, Office of General Counsel, Texas Water Development Board, P.O. Box 13231, Austin, Texas 78711-3231, rulescomments@twdb.texas.gov, or by fax at (512) 475-2053.

Adopted Rules

Please contact the Texas Register by Mail: P.O. Box 13824, Austin, TX 78711-3824, or by Phone: (512) 463-5561

Adopted TWDB Rules are published under Title 31, Part 10 of the Texas Administrative Code on the Secretary of State's website. For your convenience, links to individual rules are listed below: