AZ SB1393

Amends section 45-576 to clarify that owners of subdivided lands cannot be required to pay for or provide a water source to reduce groundwater demands outside their parcel as a condition of receiving a certificate of assured water supply.

Modifies section 48-3771 to allow municipal providers applying for a new assured water supply designation in Phoenix and Pinal active management areas to elect for member lands to retain replenishment obligations.

Establishes a ten-year phase-in period where municipal providers assume at least 10% annually of groundwater deliveries and replenishment obligations for member lands until fully assumed.

Prohibits owners of lands subdivided after a municipal provider's assured water supply designation from being required to provide or pay for water sources to reduce the provider's replenishment obligations for other lands.

Makes technical corrections to cross-references in statute citations, including changing "11-823" to "11-822" in section 45-576.