


Making It Safe to Drink: Water History Video 2

The Water and Drainage History of Philadelphia: A seven-part course

“A Decidedly Mixed Drink,” April 6, 1899

Half a Century of Clean Water

‘Gillette, All By Himself, Gets Fine New Idea On Germ Slaying’

Belmont Filters construction, 1903

Upper Roxborough filter beds under construction, July 1902

McConnell Germ-Proof Filters ad

Northeast Sewage Plant opening, 1951
