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Rule Adoptions

Adoptions are rules that have been adopted by the commissioners and republished as final in the Texas Register.

Adoptions are rules that have been adopted by the commissioners and republished as final in the Texas Register. They usually become effective 20 days after the TCEQ files them with the Texas Register for publication.

Adoptions will remain on this page for 30 days after the effective date.

Adoption Date Rule Project Number Short Title/Description Adoption (PDF)
Approval Date
6/17/26

Effective Date
7/9/26		 2025-026-328-WS House Bill 4413 Implementation
This rulemaking implements House Bill (HB) 4413, 89th Texas Legislature, 2025. HB 4413 amended Texas Health and Safety Code (THSC), §361.421 (Definitions) by adding definitions for “renewable biomass” and “renewable chemical,” and §361.4215 (Mass Balance Attribution) by requiring TCEQ to adopt rules to identify third-party mass balance attribution certification systems for the purpose of identifying a renewable chemical.
Approval Date
6/17/26

Effective Date
7/9/26		 2026-001-293-OW HB 2080: Update to 30 TAC Chapter 293 Relating to the Petition Requesting Commission Inquiry of a Groundwater Conservation District
Rulemaking to amend 30 TAC Chapter 293 to implement HB 2080 of the 89th legislative session which provides additional information and requirements regarding TCEQ’s process for handling a petition filed by an affected person regarding the actions of a GCD.