Regional Water Planning Rules & Statutes

The links below provide access to TWDB rules under the Texas Administrative Code (TAC) on water planning. We also provide links to some of the chapters of the TCEQ Rules, the Texas Water Code, the Texas Government Code, and the Texas Health & Safety Code that are relevant to water planning activities in Texas.

The rules presented here are provided as a service to TWDB customers and the citizens of the State of Texas. The TWDB is not the repository of the official TWDB Rules. For official copies of TWDB Rules, contact the Texas Register by mail: P.O. Box 12887, Austin, TX 78711-3824, email:, or by phone: (512) 463-5561.

TWDB Rules

TCEQ Rules

  • Chapter 289 - Environmental Flow Standards for Surface Water

Texas Water Code

  • Chapter 5 - Texas Commission on Environmental Quality
  • Chapter 11 - Water Rights
  • Chapter 16 - Provisions Generally Applicable to Water Development
  • Chapter 36 - Groundwater Conservation Districts

Texas Government Code

Texas Health and Safety Code

  • Chapter 372 - Environmental Performance Standards for Plumbing Fixtures