30 Tex. Admin. Code § 213.7
All identified abandoned water wells, including injection, dewatering, and monitoring wells must be plugged pursuant to requirements under Chapter 238 of this title (relating to Water Well Drillers) and all other locally applicable rules, as appropriate.
Source Note:The provisions of this §213.7 adopted to be effective December 27, 1996, 21 TexReg 12125.