Subjects Water Treatment

Diagram showing the Philadelphia Water Department's water treatment process

PWD Drinking Water Treatment diagram

PWD water tech at the Philly Home Show, 1960

PWD water tech at the Philly Home Show, 1960 (detail)

Lab tech at Philly Home Show, 1960

Lab tech, water cleaning demo, Philly Home Show, 1960

Gillette Schuylkill mud cartoon

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

Torresdale Conduit work gang, 1906

Torresdale Conduit work gang, 12/18/1906

Belmont Filters construction 1903

Belmont Filters construction, 1903

Finished Upper Roxborough filters, 1903

Finished Upper Roxborough filters, 1903

Upper Roxborough filter beds

Upper Roxborough filter beds under construction, July 1902

Spring Garden water testing lab, 1901

Bureau of Water Spring Garden Testing Station, 1901

Black and white image of Philadelphia civic and business leaders watching the start of operations at the new Northeast Sewage Treatment Plant, April 6, 1951

Northeast Sewage Plant opening, 1951

Centerfold of 1955 brochure depicting the Southeast Sewage Treatment Works

Southeast Sewage Treatment Works diagram, 1955

Spring Garden Sewage Experiment Station, used to test water filtration methods

Outside Sprinkling Filters, Spring Garden Sewage Experiment Station, 1911