Backflow preventer installation costs between $105 and $1,400, with the average property owner spending $325 per backflow preventer. Backflow preventers are essential in many commercial and some ...

Hayden Lake, Coeur d’Alene and Post Falls are just some of the cities already implementing it. Installing a backflow prevention valve can be costly. “To install one if you don’t have one already, it ...

After two decades of wet feet, residents of a low-lying Poolesville neighborhood are getting some protection. The town’s commissioners voted unanimously Monday to pay to install backflow preventer ...