Quality Water Each step is crystal clear Right from the very moment that the natural mineral water appears of the spring until the bottling and packaging process, the natural mineral water passes through stringent and exhaustive quality checks, taking into account and respecting at every moment the European sanitary and technical regulations. The best treatment for the best result Continuous samplings in deposits, filters and fillers as well as daily sterilisation of all the bottling lines under the supervision of highly qualified staff, enable us to guarantee the quality of our mineral water. Aguas de Sousas has the latest technological equipment and a modern in-house laboratory that is situated in the bottling plant, were on a regular base strict microbiological and physical-chemical analyses take place. It will be easy to understand why the natural mineral water from Aguas de Sousas reaches the consumer in the best hygienic conditions and without losing its natural qualities.