Topics Sanitation

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

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

Outhouse over Schuylkill near Pottstown

Outhouse over the Schuylkill near Pottstown

Pegg's Run

Pegg’s Run, Northern Liberties (Watson’s Annals)

Swimmers at Pier 126, Delaware River July 15, 1918

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

Two bottles of water from a river, one dark with pollution and one clear after filtration

Water Before and After Roxborough