(a) In this section, "state revolving fund bonds" means revenue bonds issued by the board to provide funds for the revolving fund, the safe drinking water revolving fund, or an additional state revolving fund.
(b) Notwithstanding any other law to the contrary, the board by resolution may approve the use of assets of the revolving fund, the safe drinking water revolving fund, or an additional state revolving fund as a source of revenue or security, or both revenue and security, for the payment of the principal of and interest on state revolving fund bonds.