Army Corps Floodwalls

This layer displays United States Army Core of Engineers surveyed Floodwalls. The USACE defines an Floodwall as a structure erected to protect areas from high river stages. For more information about USACE data, visit the National Levee Database.

2010 Census Mail Return Rate

This layer displays areas defined as Hard to Count by the United States decennial census. Data is from the US Census Planning Database and included 2010 Response Rates, Mail Return Rates, Low Response Score, and ACS Response Rates. Learn more … Continued

2010 Census Low Response Score

This layer displays areas defined as Hard to Count by the United States decennial census. Data is from the US Census Planning Database and included 2010 Response Rates, Mail Return Rates, Low Response Score, and ACS Response Rates. Learn more … Continued

Wind Turbine Density

This layer was created using point data of Wind Turbine locations within the U.S. from USGS. Density was calculated using a circular neighborhood of 1 mile and each cell is 1 square mile in area.

Fatal Motor Vehicle Crashes by County, 2014-2018

This layer displays the number and rate of fatalities from motor vehicle crashes occurring between 2014 and 2018, aggregated by county. Unlike typical mortality data, this data layer represents the location of the fatal crash, and not the county of … Continued

Electric Bulk Power Transmission Lines

This layer represents electric power transmission lines. Transmission Lines are the system of structures, wires, insulators and associated hardware that carry electric energy from one point to another in an electric power system. Lines are operated at relatively high voltages … Continued

Emissions & Generation Resource Integrated Database (eGRID)

This layer displays the locations of the Environmental Protection Agency (EPA) Emissions & Generation Resource Integrated Database (eGRID) sites. The eGRID is a comprehensive source of data on the locations and environmental characteristics of almost all electric power generated in … Continued

Coal Fields

This data set shows the coal fields of Alaska and the conterminous United States. Most of the material for the conterminous United States was collected from James Trumbull’s “Coal Fields of the United States, Conterminous United States” map (sheet 1, … Continued

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, … Continued

Natural Gas Pipelines

The U.S. natural gas pipeline network is a highly integrated network that moves natural gas throughout the continental United States. The pipeline network has about 3 million miles of mainline and other pipelines that link natural gas production areas and … Continued