13 May 2018, Rome, Italy - Customers get mineral water at the source located in the Egeria Park, in the Valle della Caffarella. The source, fed by the water basin of the Castelli Romani, gives naturally effervescent and natural water, classified as medium mineral water that people can take directly by spouts, paying a few cents a liter. The quality is certificated by the IMQ, Italy's most important certification body. The Egeria water is owned by the Acqua Santa company, that sells it in supermarkets too.