Water Works Standpipe, 1853
Fairmount Water Works, with “Nymph and Bittern” fountain and standpipe, 1875
Race Bridge, Fairmount Water Works, 1834
View of Fairmount Water Works, ca. 1827
Pipe Test, 1914
Northeast Sewage Plant opening, 1951
Southeast Sewage Treatment Works diagram, 1955
Plan for the Collection, Treatment and Disposal of Sewage, 1914
Outside Sprinkling Filters, Spring Garden Sewage Experiment Station, 1911
State Road triple pipeline construction, 1904