In Water Safety Plans aimed at preventing and mitigating water risks, Acea set up a multidisciplinary working group composed of internal staff and representatives of bodies and institutions (Roma Capitale, Lazio Region, Arpa Lazio, Asl RM2, Metropolitan City, Conference of Mayors Technical Secretariat, Higher Institute of Health, Ministry of Health, District Basin Authority of the Central Apennines, etc.), which produced an accurate risk analysis of the main nodes and interconnections of the water scheme concerned (intake for the Tiber River, Grottarossa water treatment plant, Monte Mario water tank, interconnections) (see also Relations with the environment and the chapter Corporate governance and management systems; sub-paragraph Integrated risk analysis).