AUTHORITY: Implementing Section 9-220.2 and authorized by Section 10-101 of the Public Utilities Act [220 ILCS 5/9-220.2 and 10-101].ILLINOIS COMMERCE COMMISSION
a) A purchased water/sewage treatment surcharge shall be applied to water/sewer bills of customers of water/sewer utilities in the applicable rate zone for utilities having a purchased water/sewage treatment surcharge rider and information sheet in effect and on file with the Illinois Commerce Commission (Commission).
b) A purchased water/sewage treatment surcharge shall be applied, during the effective month, in accordance with the provisions of this Part.
c) Each purchased water/sewage treatment surcharge shall be determined in accordance with Section 655.40 of this Part.