Topics Water Supply

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 image showing a man standing in a large concrete half-pipe

Thomas Run sewer outlet during construction

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

Bacteria in Delaware River, Torresdale Filters, 1913

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

Diagram of the Philadelphia Water Department's wastewater treatment process

Wastewater Treatment Process diagram

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

Jar of raw sewage before treatment, 2000

Swimmers at Pier 126, Delaware River July 15, 1918

Swimmers at Pier 126, Delaware River, July 15, 1918

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

Allegheny Avenue Sewer at Pier 126, 1918

1914 map showing the plan for the collection and treatment of sewage in Philadelphia.

Plan for the Collection, Treatment and Disposal of Sewage, 1914

A list of rules governing the sanitary maintenance of privy vaults in Philadelphia in 1915

Be Thankful You Don’t Live in Pre-Flush Philly