(a) At the hearing on the petition, if it appears to the commissioners court that drainage of the proposed district is feasible and practicable and is needed and would be conducive to public health or would be a public benefit or a public utility, the commissioners court shall make findings to this effect.
(b) If the commissioners court finds any of the issues in Subsection (a) of this section in the negative, it shall dismiss the petition at the cost of the petitioners.
(c) The findings of the commissioners court shall be recorded.