FAQ Category

Backflow Prevention

Discover answers to frequently asked backflow prevention questions.

Backflow Prevention

Are there different types of backflow prevention devices?

There are two types of backflow prevention devices for premise isolation:

Reduced Pressure Pricipal Assembly (RP) devices - these are used for any type of cross-connection or potential cross-connection involving water that has additives or substances, that, under any concentration, can create a danger to health.

Double Check Valve Assembly (DCVA) devices - used on connections that have a low probability of becoming a high or severe hazard.

Backflow Prevention

Can I install my own backflow device?

In order to install a backwater device in Durham Region, the installer needs be a person certified by the Ontario Water Works Association, or other governing body as approved by Durham Region.

Backflow Prevention

Is a backflow device required in Durham Region?

Yes. On June 13, 2018 Durham Region Council passed Backflow Prevention by-law 24-2018.

Backflow Prevention

What is backflow and why is backflow prevention important

Backflow is the undesired reversal of water flow from a building back into the drinking water system that is caused by either back siphonage or back pressure.

Municipalities throughout Canada have implemented back flow prevention programs to help eliminate contaminated drinking water that can cause human health implications and safety issues.