The visual materials series consists of photocopies of various materials, including photographs of the water plant at College & Maple Street, a diagram drawing of the 1873 fire cistern, and a drawing of Hudson's steel water tower by the Pittsburgh-Des Moines Steel Co.

Oversize visual materials (all originals) consist of a blueprint of Hudson, Ohio, (dated 1912) detailing the water supply and distribution in the town, a photo collage, dated May 3, 1952, that documents the building of a water main on South Main St., and a schematic drawing of the profile of South Main Street, by Hosea Paul, Civil Engineer in 1902.