Water Boarding continued

WHY did the Tarrant Regional Water District vote to extend their terms in office?

 Fort Worth Star-Telegram says -

 Sparks, who intended to run again, said he expects to have an opponent because of the high-profile issues the district encompasses, including the Trinity River Vision project.

 Section 490.103 of the water code states that elections should be held on the uniform election date in even-numbered years "to elect the appropriate number of directors."