


Joe Cerrone, Inspector, Industrial Waste Unit, PWD, enters storm drain to search for source of oil spill, 1989

Sewer worker Anthony Holston enters sewer, 1990

Manholes like this give access to city’s sewer system, 1961

Sewer Inspections: Vintage Images

Emscher Tank Installation at Essen Nord, Germany

State Street pipeline construction, 1904

Upper Roxborough filter beds under construction, July 1902

Outhouse over the Schuylkill near Pottstown

Standard Philadelphia (B) Hydrant

Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia, 1912
