Pennsylvania Spatial Data Access

Pennsylvania Spatial Data Access (PASDA) is the official geospatial data clearinghouse for the Commonwealth of Pennsylvania, providing a centralized platform for discovering and accessing GIS data. The portal offers a diverse collection of datasets sourced from various state agencies, universities, and organizations, making it a crucial resource for geographic information within the state.

Key offerings include base map themes, which are continuously updated following GeoBoard recommendations, and new additions like high-resolution orthoimagery from the Pennsylvania Emergency Management Agency (PEMA) for specific counties. PASDA also hosts environmental data, such as streams and waterways information from the PA Fish and Boat Commission, including Class A Streams and Trout Stocked Streams.

Users can browse all available files and utilize the search functionality to find specific datasets. The platform emphasizes providing authoritative sources for its data, supporting a wide range of applications from emergency management and environmental planning to academic research and public information.