Collections Philadelphia Water Department

Dauphin and Sydenham car crash, Jan. 17, 1978

Wheeled robotic sewer crawler in sewer pipe

Still photo from a video sewer inspection, 2000

Diagram showing the Philadelphia Water Department's water treatment process

PWD Drinking Water Treatment diagram

Cartoon depicting William Penn toasting the Devil with a glass of filtered water

“Speeding the Parting Guest,” Feb. 25, 1909

Mill Creek Sewer under construction. Several men standing beside a giant partially constructed sewer pipe.

Mill Creek Sewer under construction, 1883

William Penn balks at drinking the "mixed drink" offered him: Schuylkill water, mixed with pollution from the upstream sources named. Editorial cartoon by Fred Morgan, Philadelphia Inquirer, April 6, 1899. One of a series of cartoons drawn by Morgan protesting the state of the city's drinking water and trying to encourage the passage of legislation authorizing the construction of a water filtration system.

“A Decidedly Mixed Drink,” April 6, 1899

Fairmount Gardens, with the Schuylkill Bridge. This 1839 engraving, published in London, shows a view of the South Garden from the walkways that brought visitors up the cliffside to the overlooks at the height of the reservoirs. The fountain used the pressure of the reservoirs and was a a delightful refreshment in hot weather, and a wonder at all times. One anachronistic element of this engraving is the Upper Ferry Bridge, which burned the year before the print was published. Harding’s Hotel, a popular resort, is at the western end of the bridge.

Fairmount Gardens with the Schuylkill Bridge, 1839

Frederick Graff’s drawing of the 1815 steam engine, adapted from a design by Englishmen Matthew Boulton and James Watt, shows the engine from the north, with Faire Mount and the reservoirs to the left of the drawing and the river to the right. The 1815 engine sat on the south side of the Engine House and was thus called the South Engine. As Graff indicated in his drawing, the Engine House was essentially open from river level to the roof in order to accommodate the massive beam and fly wheel of the two engines. While Graff showed the crank attached to the axle of the fly wheel, he left the crank shaft and the pump out of the drawing. The North Engine, designed and built in 1816 by Philadelphian Oliver Evans, advanced steam engines’ operating pressures from 2 pounds per square inch (psi) to 200 psi, a significant technological achievement.

Steam engine drawing, Frederick Graff Sr., 1815

The 1815 Engine House (shown here in an 1819 print) housed two steam-powered pumps that drew water from the Schuylkill River and pumped it into the reservoirs above the building, on top of Faire Mount. The artist showed smoke pouring from the south chimney, indicating that the South Engine was operating. The bridge just downstream was the covered Upper Ferry Bridge, an incredible 340 feet long, also completed in 1815. Designed and constructed by Lewis Wernwag, a native of Germany who had studied engineering there, the bridge opened in 1813. Formally called the Upper Ferry Bridge, it was also known as the “Colossus of Philadelphia” because — like the mythical Colossus of Rhodes — the bridge was held up only by piers at its two ends, with no intermediate supports. Made entirely of wood, the bridge was destroyed by fire in 1838.

Fair Mount Water Works engine house, 1819

A section of wooden water pipe, long out of service, removed from a Philadelphia street in 1901. It had been installed about 1801.

Wooden Water Pipe, removed from Market Street, December 6, 1901

Pumping stations after Philadelphia's incorporation, 1854

Main Pumping Stations for Philadelphia Drinking Water

Black-and-white image showing a factory, smokestacks and smoke, and streets

Dobson’s Mill, 1884, from History of Philadelphia by Scharf & Wescott