The Michigan Department of Environment, Great Lakes, & Energy in conjunction with the Village of Empire Ordinance No. 113, requires that all public water suppliers have a Cross Connection Control Program that tests all backflow prevention devices on a yearly basis by a certified plumber. Common types of testable backflow prevention devices include, but not limited to:
Any plumber certified to do this inspection must hold a current ASSE 5110 license.
ASSE International maintains a database to find local plumbers in your area which can be found here: ASSE International (iapmo.org) (Select Michigan and Search...then click on the word city to sort the list alphabetically by city).