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.

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 …

Backflow occurs when water flows in the reverse direction from its intended path, potentially allowing contaminated water to enter potable water supplies. This phenomenon poses …

Backflow is the undesirable reverse flow of non-potable (non-drinkable) water or other substances that can contaminate the drinking or public water system due to a cross connection in the …

Backflow is the reverse flow of water or other substances into the treated drinking water distribution system. There are two types of backflow: (1) backpressure and (2) backsiphonage.

Dec 9, 2024 · The basic means of preventing backflow is an air gap, which either eliminates a cross-connection or provides a barrier to backflow. The basic mechanism for preventing …

Backflow and cross-connections can cause unpleasant smells and potentially even illness. The fix is a simple one: a backflow prevention device. These devices come in various types and sizes, …

Backflow refers to the reverse flow of nonpotable water, or other substances, through a cross-connection and into the piping of a public water system or customer’s potable water system.

Sep 29, 2025 · Backflow is a reverse flow condition that can cause water or mixtures of water and other substances to be pulled back into a water distribution system. Without proper …

Backflow is the undesirable or unintended reversal of flow of water and/or liquids, gases, or other substances from the customer’s onsite plumbing back into the public drinking water system.