Texas Government Code - GOV'T § 54.1175. Powers

(1) conduct hearings and trials, including jury trials;

(2) hear evidence;

(3) compel production of relevant evidence, including books, papers, vouchers, documents, and other writings;

(4) rule on admissibility of evidence;

(5) issue summons and attachments for the appearance of witnesses;

(6) examine witnesses;

(7) swear witnesses for hearings and trials; and

(8) perform any act and take any measure necessary and proper for the efficient performance of the duties assigned by the county judge.