Texas Administrative Code
Title 30 - ENVIRONMENTAL QUALITY
Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY
Chapter 297 - WATER RIGHTS, SUBSTANTIVE
Subchapter B - CLASSES OF WATER RIGHTS
Section 297.12 - Seasonal Permit under the Texas Water Code, Section11.137

A seasonal permit limits the diversion of state water to the portion or portions of the calendar year stated in the permit. (This type of permit is usually granted where irrigation is desired for seasonal crops or where the applicant proposes to appropriate water to fill an off-channel reservoir during the wet season for later use.)