Residential Complaint Housing and Community Environment Inspection Reports posted to this web site include owner and tenant occupied dwellings with or without health code violations. The reports are based on visual inspection by Allegheny County Health Department (ACHD) inspectors. The primary basis for the...

This is an extract from the Official FEMA Data. For any questions about this data, go to https://www.fema.gov/faq-details/GIS-Data

Pittsburgh 25% Slope of Greater

Pittsburgh Undermined Areas

Pittsburgh Greenways

Pittsburgh Parks

Pittsburgh Landslide Prone Areas

The Toxics Release Inventory (TRI) data provides information about toxic substances released into the environment or managed through recycling, energy recovery, and treatment in the United States. Annual releases are compiled and reported by the U.S. Environmental Protection Agency (EPA) and shared on the TRI...

Shows the locations of Stormwater Control Measures (SCMs) that were implemented as a condition of National Pollutant Discharge Elimination System (NPDES) and Erosion and Sediment Control General Permit (ESCGP) permits within Allegheny County, PA. Specifically, this data set consists of SCMs associated with...

The Hydrology Feature Dataset contains photogrammetrically compiled water drainage features and structures including rivers, streams, drainage canals, locks, dams, lakes, ponds, reservoirs and mooring cells. Lakes are large standing bodies of water greater than 5 acres in size. Ponds are large standing bodies of...

This dataset contains locations of major rivers that flow through Allegheny County. These shapes have been taken from the Hydrology dataset. The Ohio River, Monongahela River and Allegheny River are coded as Major Rivers.

This dataset demarcates stands of trees (coniferous and deciduous) too numerous to plot as individual trees. The area is delineated following a generalized line along the outside edge of tree trunks. Areas are captured if at least one acre in size or of major significance especially in urban areas.

This basins dataset was created to initiate regional watershed approaches with respect to sewer rehabilitation.

This dataset demarcates the 52 isolated sub-Watersheds of Allegheny County that drain to single point on the main stem rivers. Created by 3 Rivers 2nd Nature based upon Allegheny County watershed file showing all tributaries of all streams. All tributaries draining to a single point on the river were joined as a...

This dataset shows the point locations of dams in Allegheny County. If viewing this description on the Western Pennsylvania Regional Data Center’s open data portal (http://www.wprdc.org), this dataset is harvested on a weekly basis from Allegheny County’s GIS data portal (http://openac.alcogis.opendata.arcgis.com/)....

The Hydrology Feature Dataset contains photogrammetrically compiled water drainage features and structures including rivers, streams, drainage canals, locks, dams, lakes, ponds, reservoirs and mooring cells. Rivers, Lakes, Ponds, Reservoirs, Hidden Lakes, Reservoirs or Ponds: If greater than 25 feet and less than 30...

This dataset contains soil type and soil classification, by area. This dataset is harvested on a weekly basis from Allegheny County’s GIS data portal. The full metadata record for this dataset can also be found on Allegheny County's GIS portal. You can access the metadata record and other resources on the GIS portal...

From NASA's Cooperative Open Online Landslide Repository (COOLR). The Cooperative Open Online Landslide Repository (COOLR) is a worldwide database of landslide events. It currently includes NASA’s Global Landslide Catalog (GLC) and landslide events contributed by citizen scientists. In a future release of COOLR,...

Pittsburgh Neighborhoods

Approved applications for development that were received and reviewed by the Allegheny County Conservation District (ACCD). Application types consist of Chapter 102 National Pollutant Discharge Elimination System (NPDES) permits, E&S plan reviews for sites not needing an NPDES permit, Erosion and Sediment...