![](https://waterhistoryphl.org/wp-content/uploads/Sandy-Run-Watershed-title.jpg?w=300)
![](https://waterhistoryphl.org/wp-content/uploads/Sandy-Run-Watershed-title.jpg?w=300)
![](https://waterhistoryphl.org/wp-content/uploads/BHM-1902-19860020492-crop.jpg?w=300)
PWD Celebrates Black History Month
![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)
Cresheim Aqueduct
![2008 map showing historic Dock Creek with adjacent historical features](https://waterhistoryphl.org/wp-content/uploads/dockcreekAPSmap.jpg?w=300)
Map of Historic Dock Creek
![Pen-and-ink drawing depicting the plan for stormwater regulation of Sassafras (Race) Street in Philadelphia in 1819](https://waterhistoryphl.org/wp-content/uploads/DR_1819Divide.jpg?w=300)
Sassafras (Race) Street Survey, 1819
![](https://waterhistoryphl.org/wp-content/uploads/Noll1897_fullsize_edit-pdf.jpg)
Noll’s New Official Guide Map of Philadelphia, 1897
![](https://waterhistoryphl.org/wp-content/uploads/Wingohocking-Sewer-mouth.jpg?w=300)
Wingohocking Sewer outfall into Frankford Creek
![Wingohocking Sewer across Penn St.](https://waterhistoryphl.org/wp-content/uploads/17B-826_SewerDrawings_1-scaled.jpg?w=300)
Wingohocking Sewer across Penn St.
![](https://waterhistoryphl.org/wp-content/uploads/Dauphin-Sydenham-1978-01-17-05.jpg?w=300)
Dauphin and Sydenham car crash, Jan. 17, 1978
![Wheeled robotic sewer crawler in sewer pipe](https://waterhistoryphl.org/wp-content/uploads/DR_VideoSewer3.jpg?w=300)
Still photo from a video sewer inspection, 2000
![](https://waterhistoryphl.org/wp-content/uploads/DU09_20050070041.jpg?w=300)
Norman Lofton inspects sewer at Ditman and Sheffield, 1987
![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)