The purpose of this title is to establish zone districts and regulations governing the development and use of land within the city in order to preserve, protect, and promote the public health, safety, and welfare in accordance with 65 Illinois Compiled Statutes 5/11-13-1 et seq. (Ord. 1148, 4-27-1987, eff. 6-1-1987; amd. 2013 Code)