Backflow is the undesirable reversal of flow of nonpotabel water or other substances through a cross-connection and into the piping of a public water system or consumer's potable water system. There are two types of backflow... backpressure and backsiphonage.

ABPA-SA is a non-profit educational organization whose mission is to educate the public on backflow prevention and cross-connection control.

Years: 1999, 2000, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018