When playing chess, thinking about the next move is not enough, it is necessary to look at least four or five moves ahead. It also means preventing the most improbable occurrences; creating a resilient strategy, ready to absorb shocks and react. Up until now water supply has never acted according to a chess player’s strategy.  The water we drink in Europe is certainly safe. Companies carry out their regular checks on wells, drinking water plants and on access points to the water supply network for any lead or arsenic contamination and to avoid the presence of herbicides and pesticides in tap water. But a true resilience strategy for the whole water infrastructure, taking into account any ordinary (malfunctioning, spills, breakdowns) and extraordinary event (adjustments...