Since the 1990s, staff and volunteers have been cataloguing the collection of historical material held by the archives of the Philadelphia Water Department.
This catalogue, which includes thousands of books, pamphlets, photographs, and other material, spans the 200 year history of water supply and drainage in Philadelphia.
You may also be interested in visiting an associated site, PhillyH2O, which contains complete versions of a number of the documents, maps, and photographs listed in the catalogue, as well as a wealth of other information on the history of water supply, sewers, and watersheds in Philadelphia and vicinity. The site was developed by Adam Levine, historical consultant to the Philadelphia Water Department.