30 Tex. Admin. Code § 295.160
If the commission has received a written statement of a proposed conveyance of stored water, it shall send notice to each diverter of record on the watercourse between the origin and terminus of the transit. The notice shall set forth the approximate time that delivery will be commenced and completed, the legal consequences that could result from the unlawful diversion and taking of such water in transit, and other details the commission considers appropriate. The expense of mailing notice shall be charged to the applicant. These provisions may be waived by the commission of an emergency condition exists and time does not permit following the procedure outlined. Further, the requirements of this section are not applicable if water is being released from upstream storage under order of the commission.
30 Tex. Admin. Code § 295.160