![Aqueduct carrying sewer over Creishem Creek, in the Wissahickon Valley, 1892](https://waterhistoryphl.org/wp-content/uploads/Cresheim-Aqueduct-Sewer-CA-Misc148.jpg?w=300)
![Aqueduct carrying sewer over Creishem Creek, in the Wissahickon Valley, 1892](https://waterhistoryphl.org/wp-content/uploads/Cresheim-Aqueduct-Sewer-CA-Misc148.jpg?w=300)
![](https://waterhistoryphl.org/wp-content/uploads/Wingohocking-Sewer-mouth.jpg?w=300)
Wingohocking Sewer outfall into Frankford Creek
![An otter at the Fairmount Fishcam in 2005](https://waterhistoryphl.org/wp-content/uploads/otter5.jpg?w=300)
Otter at Fairmount Water Works fishcam, 2005
![Photo of a bearded man on a boat holding an American shad](https://waterhistoryphl.org/wp-content/uploads/Joe_Amshad.jpg?w=300)
PWD’s Joe Perillo holds an American shad near the Fairmount Fishway
![Photo of four men standing on the banks of the Schuylkill River on the last day of the Schuylkill Interceptor, December 20, 1956](https://waterhistoryphl.org/wp-content/uploads/Interceptor-Last-Gasp-1956-2004.092.0262.jpg?w=300)
Last gasp of the Schuylkill Interceptor, December 20, 1956
![Black and white photo of a man wearing a hat and standing on a bridge with his arm on a post](https://waterhistoryphl.org/wp-content/uploads/frankford-bridges-CA-20040330242.jpg?w=300)
Two Frankford Creek Bridges, 1896-1899
![](https://waterhistoryphl.org/wp-content/uploads/Dauphin-Sydenham-1978-01-17-05.jpg?w=300)
Dauphin and Sydenham car crash, Jan. 17, 1978
![Mill Creek Sewer under construction. Several men standing beside a giant partially constructed sewer pipe.](https://waterhistoryphl.org/wp-content/uploads/Mill-Creek-Sewer_20040920079_300dpi.jpg?w=300)
Mill Creek Sewer under construction, 1883
![](https://waterhistoryphl.org/wp-content/uploads/Freshet-1869-10-04-Graff-collection.jpg?w=300)
Freshet, October 4, 1869
![Black-and-white image of a brick sewer outlet that drains into a creek with trees and a hill behind it](https://waterhistoryphl.org/wp-content/uploads/thomas-run-sewer-outlet-at-cobbs-creek.jpg?w=300)
Thomas Run sewer outlet at Cobbs Creek
![Black-and-white image showing a man standing in a large concrete half-pipe](https://waterhistoryphl.org/wp-content/uploads/thomas-run-sewer-outlet-under-construction.jpg?w=300)
Thomas Run sewer outlet during construction
![Black-and-white image showing sewer outlet, retaining walls and body of water](https://waterhistoryphl.org/wp-content/uploads/cohocksink-sewer-system-outlet-at-laurel-street.jpg?w=300)