Ariz. Rev. Stat. § 48-3775
A. Except as provided in subsection H of this section, on or before March 31 of each year after the recordation of the instrument described in section 48-3774, subsection C, each municipal provider delivering water to member land shall file with the district and with the director of water resources a report 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 qualification of a municipal provider's service area as a member service area, the municipal provider shall file with the district and with the director of water resources a report 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: