(A) The city shall establish a proper system of accounts and shall keep proper books, records and accounts in which complete and correct entries shall be made of all transactions relative to the sewerage system, and at regular annual intervals it shall cause an audit of the books to be made by an independent auditing concern to show the receipts and disbursements of the wastewater collection system.
(B) In addition to the customary operating statements, the annual audit report shall also reflect revenues and operating expenses of the wastewater collection system, including a replacement cost, to indicate that sewer service charges under the waste cost recovery system do, in fact, meet these regulations. In this regard, the financial information to be shown in the audit report shall also include the following:
(1) Billing data to show the total number of gallons billed;
(2) The debt service for the next succeeding fiscal year;
(3) The number of users connected to the system; and
(4) The number of nonmetered users.
(2000 Code, § 13.08.080)