A.R.S. § 9-238: Duties of appointive officers

A. The town clerk shall also be treasurer of the town. The town marshal shall be collector of all taxes of the town. The town engineer shall have charge of the town streets, sewers and water works, and in towns of three thousand or more inhabitants, shall be a competent engineer.

B. In towns of less than three thousand inhabitants the town marshal, in addition to his duties as town marshal, may act as town engineer.