In connection with the issuance of bonds or the incurring of other indebtedness, and to secure the payment of the same, the district board shall have the power:
(1) To pledge all or any part of its fees and revenues from any source;
(2) To covenant against pledging all or any part of its fees and revenues, or against permitting any lien on such fees, revenues, or property;
(3) To covenant as to the bonds or other indebtedness to be issued and as to the use and disposition of the proceeds thereof;
(4) To establish and fund reserves for the payment of such bonds or indebtedness;
(5) To enter into credit enhancement arrangements including, but not limited to, letters of credit, reimbursement and remarketing agreements, and bond insurance policies;
(6) To make such covenants as will tend to make such bonds or indebtedness more marketable, notwithstanding that such covenants may not be enumerated herein.