Air Facility System Sites

This layer displays the locations of regulated facilities that discharge air pollutants in the United States. The Air Facility System (AFS) contains compliance and permit data for stationary sources of air pollution (such as electric power plants, steel mills, factories, and universities) regulated by EPA, state and local air pollution agencies. The information in AFS…

FBI Crime Statistics

These layers display various violent crime and property crime rates and totals in counties across the United States. Violent crime includes murder, rape, robbery, and aggravated assault while property crimes include burglary, larceny-theft, motor vehicle theft, and arson. Crime totals and rates are multi-year estimates for the three year period 2015-2017. County-level UCR files are…

National Pollutant Discharge Elimination System (NPDES)

This layer displays the locations of regulated facilities that discharge pollutants into surface waters in the United States. Location and environmental characteristics about facilities requiring discharge permits is contained in the Environmental Protection Agency (EPA) National Pollutant Discharge Elimination System (NPDES). Facilities requiring permits include industrial, municipal, and other facilities must obtain permits if their…