The aim of the third phase of the ScheldeMonitor project is to continuate the further development of the system as a coordinating Flemish - Dutch portal site. The aim of this extension is twofold : the coupling of diverse existing Flemish and Dutch information systems to one big and clear overview where the user can find all possible information about the Scheldt the extension of the type of data that can be traced out. So we can also make validated monitoring data available.