Ariz. Admin. Code § R3-7-712
A motor fuel dispensing site owner or operator shall ensure that water in a motor fuel storage tank containing a product other than a gasoline-alcohol blend, does not exceed 1″ in depth when measured from the bottom of the tank through the fill pipe. The owner or operator shall remove all water from the tank before delivery or sale of motor fuel from that tank.
New Section R3-7-712 recodified from Section R20-2-712 at 22 A.A.R. 2786, effective August 15, 2016 (Supp. 16-3). Amended by final rulemaking at 23 A.A.R. 2280, effective October 2, 2017 (Supp. 17-3). Amended by final rulemaking at 29 A.A.R. 441 (February 3, 2023), effective March 5, 2023 (Supp. 23-1).