Item Types Image

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

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

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 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 of a tray with three compartments and four small glass cylinders

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

Diagram of the Philadelphia Water Department's wastewater treatment process

Wastewater Treatment Process diagram