Casa de les Aigües Historical milestone · Montcada i Reixac, Vallès Occidental, Barcelona Station for extracting and pumping the sub-riverbed waters of the Besòs built in 1878 to a design by Antoni Rovira i Trias to supply Barcelona. It operated until 1987 and preserves wells, steam machinery, chimney and the engineman's dwelling over 4,320 square metres. 1878 Photo: pere prlpz (CC BY-SA 3.0) What to see and do in Montcada i Reixac