AZ HB2413

Requires municipal water providers with exclusive service areas to compensate eligible customers for their proportional share of effluent's full market value when the provider does not recharge the effluent in the customer's active management area.

Defines eligible customers as those in safe yield active management areas who receive potable water and wastewater service from the same municipal provider.

Mandates municipal providers calculate and award eligible customers a billing credit based on their proportional share of effluent market value not recharged locally, using specified determination procedures.

Establishes that effluent generated from an eligible customer's wastewater and not recharged in their active management area is the customer's property.

Allows eligible customers to challenge proportional share calculations through written complaint to the director or private lawsuit in superior court, with penalties including damages, attorney fees, and interest for underpayment.