Information about the Backflow Prevention Assembly Testing Certification is available on the Water Dept. Page Backflow Device Testing2022-05-022022-05-02https://www.charlevoixtwp.com/wp-content/uploads/2018/01/logo-navy-marginless.pngCharlevoix Townshiphttps://www.charlevoixtwp.com/wp-content/uploads/2018/01/logo-navy-marginless.png200px200px