At the conclusion of a hearing required under Section 78.014 of this code, the commissioners court may:
(1) on a determination that the proposed district will provide a public benefit to a substantial portion of the land within the district, grant the petition;
(2) on a determination that certain land in the district will not benefit from the creation of the district, redefine the proposed district to exclude that land and grant the petition; or
(3) on a determination that the proposed district will not offer a public benefit or benefit to a substantial portion of the land included in the proposed district, refuse the petition.