Premises located outside the City shall not be connected to or served by any Municipal utility, except such premises as are publicly owned or presently served, with the exception of the electrical service. Persons needing Municipal utility service whose service property is located outside the corporate limits must initiate and complete annexation proceedings prior to being provided with such service or services. Exceptions may be made with a four-fifths (4/5) vote of the Council. (1988 Code § 3.04)