(2) After the hearing held under this section, the governing body shall publish a notice of the levy of the seepage charge and thereafter proceed to levy and collect the seepage charge in such amount as in the discretion of the governing body will provide revenues for the payment of the principal and interest, in whole or in part, due on general obligation bonds or on revenue bonds issued by the governing body to construct the treatment works or to provide capital funds for the construction of treatment works. [1983 c.235 §3]