The Water Pollution Control Revolving Loan Fund, is maintained in perpetuity and operated by the department as agent for the authority for the purposes stated herein. Grants from the federal government or its agencies allotted to the state for capitalization of the revolving loan fund, state matching funds where required, and loan principal, interest, and penalties shall be deposited as required by the terms of the federal grant directly in the revolving loan fund. Money in the revolving loan fund shall be expended in a manner consistent with terms and conditions of the federal capitalization grants and may be used to provide loans for the construction or rehabilitation of public wastewater treatment facilities; to secure principal and interest on bonds issued by the authority if the proceeds of such bonds are deposited in the revolving loan fund to the extent provided in the terms of the federal grant; to purchase debt incurred by public bodies for wastewater treatment projects; to fund other programs which the federal government may allow in the future through its grants; to fund the administrative expenses of the department relating to the responsibilities and requirements of this chapter; and to provide for any other expenditure consistent with the federal grant program and state law.
For the purpose of providing funds for the authority to make loans to public bodies for a project or projects, or for the payment of obligations incurred or temporary loans made for any of said purposes, the authority is hereby authorized, from time to time, to issue and sell its bonds or other evidences of indebtedness. Such bonds may be issued in one or more series; shall be in such form and denominations and of such terms and maturities, not exceeding 25 years from the date of issue of each series; shall bear such rate or rates of interest, payable and evidenced in such manner; may contain such provisions for registration or for redemption prior to maturity; and may contain such other provisions not inconsistent herewith, all as may be provided by the authorizing resolution. As security for the payment of the principal of and interest on its bonds, the authority is authorized to pledge, transfer and assign any obligations of each public body, payable to the authority and the security for such obligation. All bonds or other indebtedness of the authority and the coupons applicable thereto and the income therefrom and all projects or parts thereof and all assets of the authority shall be forever exempt from any and all taxation in the state.