The Chicago Water Tower is a contributing property and landmark in the Old Chicago Water Tower District in Chicago, Illinois, United States, that is listed on the National Register of Historic Places. Built to enclose the tall machinery of a powerful water pump in 1869, it became particularly well known when it survived the Great Chicago Fire of 1871, although adj…The Chicago Water Tower is a contributing property and landmark in the Old Chicago Water Tower District in Chicago, Illinois, United States, that is listed on the National Register of Historic Places. Built to enclose the tall machinery of a powerful water pump in 1869, it became particularly well known when it survived the Great Chicago Fire of 1871, although adjacent buildings burned to the ground.