Datasets Activity Stream About Order by Relevance Name Ascending Name Descending Last Modified Go 1 dataset found Formats: GeoJSON geoservice Topics: Planning / Zoning Tags: Philadelphia Water Department Filter Results Major Watersheds - Regional Polygon feature class representing major watersheds in Philadelphia. Data was developed originally from either USGS and the 2004 Sanborn DEM (digital elevation model) using... CSV SHP GeoJSON geoservice HTML