The district may issue its bonds for any purpose authorized by this chapter, Chapter 49, or other applicable laws, including the purpose of purchasing, constructing, acquiring, owning, operating, repairing, improving, or extending any district works, improvements, facilities, plants, equipment, and appliances needed to accomplish the purposes set forth in Section 54.012 for which a district shall be created, including works, improvements, facilities, plants, equipment, and appliances needed to provide a waterworks system, sanitary sewer system, storm sewer system, and solid waste disposal system.
Tex. Water Code § 54.501