Sec. 31.002.  APPLICABILITY.  This chapter does not apply to:
(1)  subsurface excavations conducted under Chapters 52 and 53 of the Natural Resources Code if the commissioner of the General Land Office determines that the subsurface excavation does not adversely affect water as defined by this chapter; or
(2)  facilities or activities covered by Chapter 26 or 27 of this code or Chapter 361, Health and Safety Code.
Added by Acts 1989, 71st Leg., ch. 2, Sec. 15.02(a), eff. Aug. 28, 1989.  Amended by Acts 1991, 72nd Leg., ch. 14, Sec. 284(75), eff. Sept. 1, 1991.