Tex. Water Code § 51.414: VOTE AT ELECTION.

(a) Bonds of a district operating under the provisions of Article III, Section 52, of the Texas Constitution, may be issued only with the approval of two-thirds of the electors of the district participating in the election.

(b) In a district organized under the provisions of Article XVI, Section 59, of the Texas Constitution, bonds may be issued or indebtedness created only with the approval of a majority of the electors of the district participating in the election.

Acts 1971, 62nd Leg., p. 338, ch. 58, Sec. 1, eff. Aug. 30, 1971.