Items

Historic resources from our archives - images, maps, documents, and more.

Two views on the water supply, 1939

Ghosts of Water in Fairmount Park, Part 1, with Adam Levine

Rebirth of the Rivers: Water History Video 3

Sandy Run Watershed and the Holmesburg Water Works

PWD Celebrates Black History Month

Ghosts of Water in Fairmount Park, Part II, with Adam Levine

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 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 showing a man standing in a large concrete half-pipe

Thomas Run sewer outlet during construction

Black-and-white image of a table with numbers in columns

Bacteria in Delaware River, Torresdale Filters, 1913