Topics Sanitation

Laboratory Alkalinity test, ca. 1943

Water History: Making It Safe to Drink

Water History: Rebirth of the Rivers

2008 map showing historic Dock Creek with adjacent historical features

Map of Historic Dock Creek

Colored ink drawing showing drainage areas and sewer inlets in Philaelphia in the early 19th century

Drainage area plan, early 19th century

Thomas Meehan

Thomas Meehan, city councilman

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

Dobson FLP

You would not have wanted to drink it: Philadelphia’s water supply in 1884

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 diagram showing streets and the Little Tacony Creek

Frankford Creek Watershed: A historical overview of the Philadelphia section

Frankford Creek Watershed Historical Timeline

Down Under III: A walk in the Dobson’s Run Storm Relief Sewer, June 15, 2010