Heraldic shields of the Delft Water Board members in 1645, the year the Water Board bought this house, on the façade of the Gemeenlandshuis in Delft. Water Boards are regional government bodies charged with the maintenance of dikes and dams, water level and water quality control. In short: they keep our feet dry. The Delfland region is located far below sea level. The Delft Water Board was originally founded in the 13th century.