Ariz. Rev. Stat. § 49-773
A. No person other than a natural person shall dispose of solid waste at a solid waste landfill within the boundaries of this state unless the facility meets the applicable requirements of titles III and IV of the federal water pollution control act amendments of 1972, as amended (P.L. 92-500; 86 Stat. 816; 33 United States Code section 1151), and one of the following: