


Philadelphia’s Sewer Problem

Diagram from sewage treatment plan for Philadelphia, 1912

Southwest Sewage Treatment Plant under construction, 1949

CITIZENS’ BUSINESS: 1939-1946

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

Emscher Tank Installation at Essen Nord, Germany

Drain water from sludges obtained from sedimentation, septic and Emscher tanks

Thomas Run sewer outlet at Cobbs Creek
