Subjects Sewers & Drainage

Pipes, pumping stations, interceptors or intercepting sewers, outfalls, separate and combined sewers, sewage treatment plants, and any other infrastructure related to the collection and treatment of sewage from homes and businesses.

Black-and-white photo of a man standing in a long trench

Sludge Drying Beds, Essen Nord, Germany

Black-and-white photograph of a man in a hat standing in a brick trench

Grit Chamber, Essen, Germany

Black-and-white image of two cylinders on a white surface

Effects of Expansion of Gas Bubbles in Enscher Sludge Shown in Right-Hand Cylinder

Black-and-white line graph showing two jagged lines on a grid

Diagram Showing Decreased Amount of Dissolved Oxygen in Delaware River, 1913

Black-and-white image of a table with numbers in columns

Bacteria in Delaware River, Torresdale Filters, 1913

Philadelphia Underground, Jan. 29, 1961

“Philadelphia Underground,” Jan. 29, 1961

International Exhibition situation plan, 1876

Centennial Exhibition situation plan, 1876

Rudolph Hering

Rudolph Hering

Outhouse over Schuylkill near Pottstown

Outhouse over the Schuylkill near Pottstown

Photo of a woman looking at a jar of raw, untreated sewage

Jar of raw sewage before treatment, 2000

Photo of Allegheny Avenue Sewer, Pier 126, Delaware River, July 15, 1918

Allegheny Avenue Sewer at Pier 126, 1918

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

Outside Sprinkling Filters, Spring Garden Sewage Experiment Station, 1911