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 most …
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 water …
Frequently Asked Questions | City of Bloomington, Indiana
3 days ago · What is the Backflow Prevention Program? The goals of the CBU Backflow Prevention Program are to safeguard public drinking water and protect the health of our customers by …
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 …
Backflow Preventer Types - NFPA
Oct 28, 2022 · Backpressure is backflow caused by a pressure in the non-potable water system being greater than the pressure in the potable water supply piping. This higher pressure causes water in …
What is Backflow and How to Prevent it? - Roto-Rooter®
Jan 29, 2025 · Backflow is the undesirable reversal of the flow of water or other substances from a private plumbing system into the public water supply. This can occur in any system where there’s a …
Understanding Backpressure and Backflow: What They Are and ...
May 8, 2025 · Backflow refers to the undesirable reversal of water flow, where contaminated water flows back into the clean water supply. Backflow can be caused by either backpressure or a phenomenon …