65 ILCS 5/11-135-5
Whenever bonds are issued under this Division 135 the revenue received from the operation of the properties under the control of the commission shall be set aside as collected and deposited in a separate fund to be used only (1) in paying the cost of the operation and maintenance of those properties, (2) in providing an adequate depreciation fund, (3) in paying the principal of and interest upon the revenue bonds issued by the commission, as provided by this Division 135, (4) to comply with the covenants of the ordinance or resolution authorizing the issuance of such bonds, and (5) to carry out the corporate purposes and powers of the commission.
In case the commission has charge of the operation of a complete waterworks system, including the distribution mains, the commission shall establish rates and charges for water which shall be sufficient at all times to pay the cost of operation and maintenance, to provide an adequate depreciation fund, to pay the principal of and interest upon all revenue bonds issued as provided by this Division 135, to comply with the covenants of the ordinance or resolution authorizing the issuance of such bonds, and to carry out the corporate purposes and powers of the commission. Charges and rates shall be established, revised, and maintained by ordinance and become payable as the commission may determine by ordinance.
In case the commission has charge of the operation of a common source of supply of water, the municipalities represented by the commission shall contract with the commission for water. These municipalities shall establish such charges and rates for water supplied by them to consumers as will be sufficient at all times (1) to pay the cost of operation and maintenance of the respective waterworks systems (or waterworks and sewerage systems, where combined) of the municipalities, (2) to provide an adequate depreciation fund therefor, (3) to pay the principal of and interest on all revenue bonds of the municipalities payable from the revenues of the waterworks system (or combined waterworks and sewerage system), and (4) to pay the charges and rates established by the commission for the sale of water by the commission to those municipalities. The commission shall establish such charges and rates for water supplied to those municipalities as will be sufficient at all times (1) to pay the cost of operation and maintenance of the common source of supply of water, (2) to provide an adequate depreciation fund therefor, (3) to pay the principal of and interest on the revenue bonds issued by the commission, (4) to comply with the covenants of the ordinance or resolution authorizing the issuance of such bonds, and (5) to carry out the corporate purposes and powers of the commission, under the provisions of this Division 135. Contracts entered into between the commission and the specified municipalities shall include covenants for the establishment of rates and charges as provided in this section.
Municipality contributions to the Illinois Municipal Retirement Fund, by commissions created under this Division 135 which have been included under that Fund, shall be considered a cost of operation and maintenance for the purposes of this Section.
Any holder of a bond or of any of its coupons, issued under this Division 135, in any civil action, mandamus, or other proceeding, may enforce and compel performance of all duties required by this Division 135 to be performed by such a commission or by any of the municipalities, including the making of rates and charges, the collecting of sufficient revenue, and the application thereof, as provided in this Division 135.
All contracts for the construction of a waterworks system or of a common source of supply of water, or both, to be let by such a commission, shall be entered into only after advertising for bids, pursuant to a resolution to be adopted for that purpose by the commission. A notice inviting bids shall be published in a newspaper published and having a general circulation in the county or counties in which the municipalities represented by the commission are located, not more than 30 nor less than 15 days in advance of the receipt of the bids. The notice shall be published at least twice. In the resolution directing the advertising for bids the commission also shall establish all requirements necessary for the bidding, for the awarding of contracts, and for the approval of contractors' faithful performance bonds.
65 ILCS 5/11-135-5