Backflow - Wikipedia
Backflow is a term in plumbing for an unwanted flow of water in the reverse direction. [1] It can be a serious health risk for the contamination of potable water supplies with foul water. In the …
Understanding Backflow and How to Prevent It
Aug 4, 2025 · Sometimes, water from private plumbing can flow back into public water systems, which is known as backflow. To prevent this, some customers must install and maintain …
What is Backflow in Plumbing? What Homeowners Need to Know
Feb 19, 2025 · Backflow occurs when the normal flow of water in a plumbing system is reversed, allowing non-potable (contaminated) water to enter the clean water supply. This can introduce …
What Is a Backflow Preventer? (And Do You Need One?)
Apr 11, 2025 · Backflow occurs when water flows backward through your plumbing, potentially contaminating your home’s drinking supply. Your plumbing system is designed to deliver clean …
What is Backflow? Understanding a Critical Plumbing Concern
Backflow is a plumbing phenomenon that occurs when water flows in the reverse direction from its intended path in a plumbing system. This reversal might seem like a minor inconvenience, but …
What Is Backflow in Plumbing and How Is It Prevented?
Dec 23, 2025 · Backflow is technically categorized by the two distinct physical mechanisms that cause the flow reversal: back-siphonage and back-pressure. These two forces describe how …
Backflow Academy | Backflow Solutions, Inc.
Backflow is the undesirable reversal of this flow of water and undesirable substances from the non-potable source to the potable source. Why is Backflow Testing Important? Backflow …