(a) If it appears at the hearing that the proposed improvements are feasible and practicable and would be a public benefit and utility, the commissioners court or the board shall make these findings and approve the boundaries stated in the petition, or if it does not approve the boundaries in the petition, the court or board shall define the boundaries of the district which are approved.
(b) Changes may not be made in the proposed boundaries until notice is given and a hearing held in the manner provided in this subchapter.

(c) If the commissioners court or board finds that the proposed improvement is not feasible or practicable, or that it would not be a public benefit or public utility and that the establishment of the district is unnecessary, the court or board shall make these findings and dismiss the petition at the cost of petitioners. Dismissal of the petition shall not prevent presentation of another petition at a later date.
(d) The commissioners court or the board shall enter all findings in its records or minutes, together with a map of the district if the boundaries in the petition are changed.