Ariz. Rev. Stat. § 48-3188
A. The state certification board shall, immediately upon receipt of the engineer's report filed under the provisions of section 48-3182, paragraph 4, examine the report and make such additional examination at the expense of the district as it deems proper. As soon as practicable thereafter the state certification board shall make a report to the board of directors of the district in which it shall state generally its conclusions regarding: