Report on Flushing Planning Algorithm testing on the flushing zones of the drinking water distribution system of the city of Amsterdam IveticDamjan VasilićŽeljko 2020 This report describes the development of the Flushing Planning Algorithm (FPA) for deriving flushing plans to address discolouration in drinking water distribution systems. The application of the FPA to the water system serving Amsterdam, Netherlands (Waternet), is presented.