Ariz. Rev. Stat. § 49-1309
A. The authority, through the board, may issue negotiable long-term water augmentation bonds in a principal amount that, in its opinion, is necessary to do all of the following:
B. The board shall authorize long-term water augmentation bonds by resolution. The resolution shall prescribe all of the following:
D. To secure any long-term water augmentation bonds authorized by this section, the board by resolution may:
G. The board, out of any available monies, may purchase long-term water augmentation bonds, which may then be canceled, at a price not exceeding either of the following: