Cataract platform (proactive management platform for smart connected water) is an innovative water management platform for addressing in a holistic way key water-related cases (indicatively: leakage, contamination, overflow, prediction of demand, optimization of supply). Currently, Cataract is piloted in Northern Greece in a Smart University campus, in collaboration with the big Greek mobile operator COSMOTE, member of Deutsche Telekom Group, providing NB-IoT based Smart Connected Water Solution for Water Quality Management, as well as in the Athens area.