9% of the drinking water that comes out of the country's taps already comes from the sea. A similar percentage of the wastewater from the toilets is treated with a quality that allows watering even lettuce that is going to be eaten.
Spain not only leads the European ranking of the number of large dams built, but also for desalination and reuse of reclaimed water. Experts warn of the danger of increasing the supply of water resources without also fixing the holes in the system's pipes.. The key to adapting to climate change is to move from supply policies to demand management.