The sewer charge shall be just, equitable and uniform for users of the same class and shall be such as will produce revenues, together with any other assessments, taxes, revenues or funds available or pledged for such purpose at least sufficient to provide for all expenses of operation and maintenance, for payment when due of all bonds and interest thereon for the payment of which such revenues are or shall have been pledged or encumbered including reserves for such purpose and for any other funds which may be required under the resolution or resolutions authorizing the issuance of bonds by the district.
(Prior Code, § 7-83)