The rich water sources that characterize the entire region, as is natural became exploited and residents of Kerasia throughout the course of their history.
That is why in several places today detected water management facilities, which are dated at least from the Venetian period and after. One tank is quarried just north of the Temple of Agios Silas, which because of its location it could assume that is older than the adjacent church. According to the testimony of the owner, as access is almost impossible today, but also dangerous going for a carved in rock vaulted cistern measuring 3 x 2 x 1,5 m, while in point have found clay water pipelines. Another water-complex has been revealed in the 'Down', likely constructed Vagia during the Venetian period-maybe later. It consists of a rectangular tank large enough and a very small petaloschimi construction in the SOUTHWEST corner of. Beside this installation has even been revealed yet another fountain, which morphologically reminiscent of the fountain near the bridge of Avgeniki.