17.56.205    ANTI-SIPHON REQUIREMENTS

(1) The owner or operator of an UST system that is located at an elevation that produces a gravity head on an underground piping system shall ensure that the product pipe is equipped with one of the following devices:

(a) a department-approved anti-siphon valve;

(b) a department-approved normally closed solenoid valve; or

(c) any other department-approved device designed to prevent siphoning.

History: 75-11-505, MCA; IMP, 75-11-505, MCA; NEW, 2011 MAR p. 145, Eff. 2/11/11.