Texas Water Code - WATER § 49.308. Suit to Review Exclusion

(a) Any person owning an interest in land affected by the order may file a petition within 20 days after the effective date of the order to review, set aside, modify, or suspend the order.

(b) The venue in any action shall be in any district court that has jurisdiction in the county in which the district is located.  If the district includes land in more than one county, the venue shall be in the district court having jurisdiction in the county in which the major portion of the acreage of the land sought to be excluded from the district is located.

(c) A person may appeal from the judgment or order of a district court in a suit brought under the provisions of this section to the court of civil appeals and supreme court as in other civil cases in which the district court has original jurisdiction.  The appeal is subject to the statutes and rules of practice and procedure in civil cases.