Today is National Backflow Prevention Day. Thank you to JEA's Cross Connection Control department for keeping our water supply safe and free from contaminants. What is backflow? Backflow is the flow of water in the wrong direction from a customer's water system into the public water supply. A backflow preventer is a mechanical device that prevents that backward flow. Here's a look at what a typical backflow preventer inspection might look like at your home, and why they’re important for all of u