Prior to the adoption of Ord. 2009-19 on 08/19/2009, Section 13.20.030 read as follows.

It shall be the responsibility of the water consumers of commercial and industrial water connections and consumers of new residential water connections, to purchase, install, test and maintain backflow prevention devices/assembly where necessary and to control cross connections. Commercial , ~~and~~ industrial , and residential consumers subject to the provisions of State regulations, the International Plumbing code and the Vernal City code shall have certified inspections and operational tests made at least once a year ~~upon request by the City~~ at the consumer's own expense. Irrigation backflow prevention devices and assemblies shall be tested annually within ten (10) days after such device / assembly is installed or reinstalled. Where the City deems a hazard to exist, any water consumer may be required to have such inspections and tests completed at a more frequent interval and as ~~prescribed~~ determined by the City. All such tests shall be made according to the standard set forth by the Utah State Department of Health, Bureau of Drinking Water and Sanitation. (Ord. 91-02 § 3)