(a) The creation of the district is essential to accomplish the purposes of §§ 52 and 52-a, Article III, and § 59, Article XVI, Texas Constitution, and other public purposes stated in this chapter. By creating the district and in authorizing the city and other political subdivisions to contract with the district, the legislature has established a program to accomplish the public purposes set out in § 52-a, Article III, Texas Constitution.
(b) The creation of the district is necessary to promote, develop, and protect the environment and the other natural resources of this state, and to encourage and maintain employment, commerce, transportation, housing, tourism, recreation, the arts, entertainment, economic development, safety, and the public welfare in the district.

(c) The district is created to supplement and not to supplant services provided by the city in the district. This chapter and the creation of the district may not be interpreted to relieve the city from providing the level of services provided as of the effective date of the Act creating this chapter to the area in the district.