Fairmount Steam Works (1815)
Twenty-fourth Ward (or West Philadelphia) Works, 1855
Centre Square Water Works, Frederick Graff, Sr. Plans, 1799
Centre Square Water Works, Latrobe Plans, 1799
The Centre Square Works, 1801
The Water Supply Problem of Philadelphia, 1899
State of the Schuylkill River in 1876: Sewage pollution and possible remedies
Two reports on the state of the Schuylkill River, 1867
Images from ‘The Water Supply of the City of Philadelphia by a proposed Aqueduct from Norristown Dam’
Fairmount Water Works, W.H. Bartlett, 1839