Tex. Water Code § 51.0951

After at least 25 qualified electors are residing in a district covered by Section 51.0941 of this code, on written request of at least five of these electors, the board shall designate a meeting place within the district. On the failure to designate the location of the meeting place within the district, five electors may petition the commission to designate a location, which may be changed by the board after the next election of members to the board.