Sewer backflow preventers are an essential part of your home's plumbing. Here's why you need one and how to test if yours is working properly.

Key Takeaways. Installing a backflow preventer typically costs around $325 per unit, varying from $105 to $1,400.This total cost encompasses the device’s price and the labor needed for installation.

Attendees will learn how to identify the challenges of communicating backflow risks to the public, understand current ...

Every year a certified backflow assembly tester is contracted at a set rate to test every participants’ backflow device. To participate, call the utility’s dedicated backflow line at 360-992-8589.

The Washington County Division of Environmental Management is launching a new initiative to protect drinking water.

Because preventing backflow is one of the most basic elements of system design and installation, many plumbers may forgo certification, deeming it unnecessary. But this may cause them to miss out on a ...

The backflow preventer part itself usually runs about $80 to $150, according to a local plumbing company. It has been in high demand recently because of the winter freeze.

The backflow prevention team within SWBNO's environmental affairs department tracks and manages over 140,000 water accounts, both residential and commercial.