Ga. Const. art. IX, § VII, para. II

Purposes. The purpose of a community improvement district shall be the provision of any one or more of the following governmental services and facilities: (1) Street and road construction and maintenance, including curbs, sidewalks, street lights, and devices to control the flow of traffic on streets and roads. (2) Parks and recreational areas and facilities. (3) Storm water and sewage collection and disposal systems. (4) Development, storage, treatment, purification, and distribution of water. (5) Public transportation. (6) Terminal and dock facilities and parking facilities. (7) Such other services and facilities as may be provided for by general law.