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...

Traffic sensors at over 1,200 locations in Allegheny County collect vehicle counts for the Pennsylvania Department of Transportation. Data included in the Health Department's DASH project includes hourly averages and average daily counts. The data was collected from years 2012-2014 and compiled by Carnegie Mellon...

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.

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...

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 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 Illegal Dump Site dataset includes information on illegal dump sites, their type of trash, and the estimate tons of trash at each site. The information was provided by Allegheny Cleanways, and collected as part of a 2005 survey in Allegheny County. Support for Health Equity datasets and tools provided by Amazon...

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...

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

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 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...

An inventory of emissions including greenhouse gases, criteria pollutants, hazardous air pollutants and sulfur compounds emitted by facilities monitored by the Allegheny County Health Department. Support for Health Equity datasets and tools provided by Amazon Web Services (AWS) through their Health Equity Initiative.

The U.S. Environmental Protection Agency provides information on the particulate matter concentration for Allegheny County that have a diameter greater or equal to 2.5 mm. The data is based on a combination of 2012 model and monitor data reported by the U.S. Environmental Protection Agency’s Office of Air and...

Lead is a neurotoxin commonly found in our daily lives. While lead has been eliminated from gasoline, household paint, and solder, you can still be exposed to lead from many different sources including dust containing lead from pre-1978 lead paint, paint chips, contaminated soils, water, ceramic plates, bowls, and...

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...

ALT’s GREENPRINT methodology involved collecting, compiling, and analyzing a vast set of available data and reports on the region’s land and water resources. GIS technology was applied to processing and integrating information in order to identify lands in Allegheny County with the greatest capacity to perform...

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...

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...

This dataset is harvested on a weekly basis from Allegheny County's GIS data portal. For more information about landslides in Allegheny County, visit the Allegheny County Landslide Portal.

Green Infrastructure projects catalogued by 3RWW and partner organizations. This is a living dataset - updates are being made regularly by 3RWW staff and partner orgs. Most information has been verified, but there is always a chance that records may become outdated; please confirm before relying on this dataset for...