AZ SB1319

Grants the Arizona Corporation Commission authority to regulate rates charged by municipal corporations for water service delivery to consumers outside the municipality's corporate limits.

Amends the complaint process to allow complaints about municipal water rates for nonresident consumers to proceed under the same requirements as other public service corporation rate complaints.

Extends the Corporation Commission's rate-setting timelines and procedures to municipal water utilities serving areas outside their corporate boundaries, including simplified filing requirements for smaller utilities.

Defines municipal corporations delivering water outside their corporate limits as "utilities" subject to Corporation Commission jurisdiction for rate regulation purposes.