Subjects Sewage Treatment

Photo of four men standing on the banks of the Schuylkill River on the last day of the Schuylkill Interceptor, December 20, 1956

Last gasp of the Schuylkill Interceptor, December 20, 1956

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

Philadelphia’s Sewer Problem

Diagram from sewage treatment plan for Philadelphia, 1912

Southwest Sewage Treatment Plant under construction, 1949 (from Water & Sewer Course Module 7)

Southwest Sewage Treatment Plant under construction, 1949

CITIZENS’ BUSINESS: 1939-1946

Three reports on Philadelphia’s Sewage Treatment Project, 1911-1914

Mill Creek Sewer under construction. Several men standing beside a giant partially constructed sewer pipe.

The Water and Drainage History of Philadelphia, Part 7

Black-and-white photo of industrial tank installation with smokestacks and factories in the background

Emscher Tank Installation at Essen Nord, Germany

Black-and-white image showing several cubic measurements of various types

Volume of Sludge from 1,000,000 Gallons of Sewage

Black-and-white image of a graph with several captions

Diagram Showing Rate Between Bulk of Wet Sludge and Its Percentage Moisture

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