30 Tex. Admin. Code § 291.131
When a petition is filed, including a petition subject to the Texas Water Code (TWC), §11.041, the executive director shall determine within ten days of the filing of the petition whether the petition contains all of the information required by this subchapter. For purposes of this section only, the executive director's review of probable grounds shall be limited to a determination whether the petitioner has met the requirements of § 291.129 of this title (relating to Petition). If the executive director determines that the petition does not meet the requirements of § 291.129 of this title, the executive director shall inform the petitioner of the deficiencies within the petition and allow the petitioner the opportunity to correct these deficiencies. If the executive director determines that the petition does meet the requirements of § 291.129 of this title, the executive director shall forward the petition to the State Office of Administrative Hearings for an evidentiary hearing under TWC, §§11.036 - 11.041 as applicable.
30 Tex. Admin. Code § 291.131