After the hearing, the commissioners court shall consider whether to create the proposed district. The commissioners court must make the following findings before approving a petition requesting creation of a district:
(1) the district will serve a public use and benefit;
(2) facilities in the district will benefit from the security projects and security services proposed to be provided by the district;
(3) the creation of the district is in the public interest and useful for the protection of facilities in the district against the threat posed by terrorism; and
(4) the creation of the district is necessary to accomplish the purposes of Sections 52 and 52-a, Article III, and Section 59, Article XVI, Texas Constitution, and other public purposes stated in this chapter.