The use of all water required for the irrigation of lands of any district formed under the provisions of sections 46-101 to 46-128, together with canals and ditches already constructed, the rights-of-way for canals and ditches, sites for reservoirs and pumping plants, and all other property required in fully carrying out the provisions of sections 46-101 to 46-1,111, is hereby declared to be a public use, subject to the regulation and control of the state in the manner prescribed by law.
Neb. Rev. Stat. §§ 46-128