Model for Assured Water Supply Certificates

This bill requires Arizona to re-examine certain water supply applications submitted for the Phoenix area between 2021 and 2023. These applications must be approved if older groundwater models show enough available water, even if newer, stricter models would have denied them. Water providers must also offer 25% of their excess groundwater each year as water credits that a regional water district can purchase, which could lower some local water fees. Any certificates granted through this process will be treated as if they were approved in 2023. The program starts immediately and will end in 2028.

Senate

Passed · Feb 26, 2026 · pass