The district may take by grant, purchase, gift, devise or lease, or condemn in proceedings under eminent domain, or otherwise acquire, and hold and enjoy, real and personal property of every kind within or without the district necessary to the full or convenient exercise of its powers. The board may lease, sell, mortgage, or otherwise dispose of any real or personal property within or without the district when in its judgment it is for the best interests of the district so to do.

Whenever the board by resolution determines that any record, map, book, or paper in the possession of the district or any officer or employee thereof is of no further value to the district, the board may authorize its sale, destruction, or other disposition.