![](https://waterhistoryphl.org/wp-content/uploads/Manayunk-Leverington-still-house-run-Smedley-22-crop.jpg?w=300)
![](https://waterhistoryphl.org/wp-content/uploads/Manayunk-Leverington-still-house-run-Smedley-22-crop.jpg?w=300)
![Technical drawing showing streets and sewers](https://waterhistoryphl.org/wp-content/uploads/Manayunk-Leverington-1893-PWD-ERV-199235.jpg?w=300)
Leverington Avenue Stormwater Sewer
![Black-and-white photograph depicts a large brick sewer tube lying on a barren landscape](https://waterhistoryphl.org/wp-content/uploads/everett-street-sewer-1917.jpg?w=300)
Filling valleys and other lowlands, cutting down high ground, piping streams into sewers, filling marshland, dredging and damming streams and rivers, and any other activities or infrastructure designed to alter the original topography of the city to more readily accommodate real estate development.