2019 Sustainability Report Even though the Group’s core business segments require a limited use of water, which is mostly for civil use (over 85% of water consumption is for offices, bathrooms, workshop showers, bathrooms on board trains and drinking fountains at stations) and residually for industrial purposes (train and bus washing), efficient use of water resources, the treatment of wastewater, the protection of water quality and network control and monitoring are all activities that the Group companies carry out with utmost attention.