Philadelphia Impervious Surfaces, 2016 - City of Philadelphia

Planimetric Coverage containing the delineation of impervious surfaces for studying and calculating drainage runoff. This coverage shows surface features that are visible on the aerial photography, and is sometimes referred to as the landbase.

Dataset hosted at PASDA Pennsylvania Spatial Data Access, The Pennsylvania Geospatial Data Clearinghouse

Web map services links.
http://maps.psiee.psu.edu/preview/map.ashx?layer=1136
REST: http://maps.pasda.psu.edu/ArcGIS/rest/services/pasda/CityPhilly/MapServer
WMS: http://maps.pasda.psu.edu/arcgis/services/pasda/CityPhilly/MapServer/WMSServer?SERVICE=WMS&request=getcapabilities
Data: ftp://ftp.pasda.psu.edu/pub/pasda/philacity/data/PhiladelphiaImperviousSurfaces2015.zip
GeoJSON: http://www.pasda.psu.edu/json/PhiladelphiaImperviousSurfaces2015.geojson
Metadata: http://www.pasda.psu.edu/uci/FullMetadataDisplay.aspx?file=PhiladelphiaImperviousSurfaces2015.xml