Air quality data is collected from the Allegheny County Health Department monitors throughout the county. This data must be verified by qualified individuals before it can be considered official. The following data is unverified. This means that any electrical disruption or equipment malfunction can report erroneous...

List and location of all the businesses and social clubs who have received an exemption from the Pennsylvania Clean Indoor Air Act. “The Clean Indoor Air Act, Act 27 of 2008, was signed into law on June 13, 2008. The legislation prohibits smoking in a public place or a workplace and lists examples of what is...

This dataset overlays a grid on the County to assist in locating a parcel. The grid squares are 3,500 by 4,500 square feet. The data was derived from original MAPINDX: Map Index Sheets from Block and Lot Grid of Property Assessment and based on aerial photography. Tiles are numbered in a clockwise spiral fashion...

This dataset contains boundaries of individual parcels in Allegheny County, including the county block and lot number. As this is a very large dataset, you may wish to use our property information extractor (http://tools.wprdc.org/parcels-n-at/) to download filtered versions of this parcel dataset. The most...

This dataset shows the location of bridges owned by Allegheny County as centroids.

This dataset shows the roads owned by 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 full...

Outlines of public and private cemeteries greater than one acre in size. Areas were delineated following a generalized line along the outside edge of the area. Individual features within the cemetery are not shown. If viewing this description on the Western Pennsylvania Regional Data Center’s open data portal...

The Land Cover dataset demarcates 14 land cover types by area; such as Residential, Commercial, Industrial, Forest, Agriculture, etc. 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...

This dataset shows the bridges owned by 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 full...

Allegheny County land use as ascribed to areas of land. The Land Use Feature Dataset contains photogrammetrically compiled information concerning vegetation and limited open areas of ground. The Land Use Feature Dataset contains Woodlands, Nurseries and Orchards, Cultivated Fields and Athletic Fields. Woodlands are...

This dataset shows the address points in Allegheny County. Usage The value in the ADDRESS_ID field lets you look up more information about the landmark locations in the Addressing Address Points dataset (https://data.wprdc.org/dataset/allegheny-county-addressing-address-points2), including the geocoordinates (though...

This is an Allegheny County extract of the 2021 US Census Blocks downloaded from https://www.census.gov/geographies/mapping-files/time-series/geo/tiger-geodatabase-file.html This dataset is harvested on a periodic basis from Allegheny County’s GIS data portal (https://openac.alcogis.opendata.arcgis.com/). The full...

Fifth Judicial District of Pennsylvania, Magisterial District Judge office locations. Includes Judge name and areas of coverage. Created August 2014.

Map Index Sheets from Block and Lot Grid of Property Assessment and based on aerial photography, showing 1983 datum with solid line and NAD 27 with 5 second grid tics and italicized grid coordinate markers and outlines of map sheet boundaries. Each grid square is 3500 x 4500 feet. Each Index Sheet contains 16...

This dataset demarcates the Pennsylvania Senate district boundaries within Allegheny County.

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 contains the Allegheny County boundary.