Tex. Water Code § 5.351
(c) Notwithstanding Subsection (b) or another provision of law to the contrary, a person affected by a ruling, order, or decision on a matter delegated to the executive director under Section 5.122 or other law may, after exhausting any administrative remedies, file a petition to review, set aside, modify, or suspend the ruling, order, or decision not later than the 30th day after:
(2) if the executive director's ruling, order, or decision is appealed to the commission as authorized by Section 5.122(b) or other law, the earlier of:
Amended by Acts 1985, 69th Leg., ch. 795, Sec. 1.001, eff. Sept. 1, 1985.
Acts 2017, 85th Leg., R.S., Ch. 1065 (H.B. 3177), Sec. 2, eff. September 1, 2017.
Acts 2021, 87th Leg., R.S., Ch. 174 (S.B. 211), Sec. 4, eff. September 1, 2021.