Ariz. Rev. Stat. § 48-4976
A. On or before March 31 of each year after the recordation of the instrument described in section 48-4975, subsection C, each municipal provider delivering water to water district member land shall file a report with the district, with the director of water resources and with the county assessor and treasurer of the county where the water district member lands are located, that contains the following information for the preceding calendar year, which is the reporting year:
B. On or before March 31 of each year after the publication of the resolution described in section 48-4981, each municipal provider delivering water to a water district member service area shall file a report with the district and with the director of water resources that contains the following information for the preceding calendar year, which is the reporting year:
E. The district shall prepare and file with the director of water resources on or before August 31 of each year for the prior calendar year, which is the reporting year, an annual report that includes the following information: