All rates and charges for Municipal utilities, including, but not by way of limitation, rates for service, permit fees, deposit, connection and meter testing fees, disconnection fees, reconnection fees including penalties for nonpayment if any, except such as are fixed and determined by the Public Utilities Commission, shall be fixed, determined and amended by the Council and adopted by resolution. Such resolution, containing the effective date thereof, shall be kept on file and open to inspection in the Office of the City Clerk and shall be uniformly enforced. For the purpose of fixing such rates and charges, the Council may categorize and classify under the various types of service; provided, that such categorization and classification shall be included in the resolution authorized by this section. (1988 Code § 3.02)