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Federal
NPL Superfund Site Boundaries (EPA)
U.S. Environmental Protection Agency —
This GIS dataset contains polygons depicting U.S. EPA Superfund Site boundaries. Site boundaries are polygons representing the footprint of a whole site, defined for... -
Federal
Great Lakes Environmental Database (GLENDA)
U.S. Environmental Protection Agency —
The Great Lakes Environmental Database (GLENDA) houses environmental data collected by EPA Great Lakes National Program Office (GLNPO) programs that sample water,... -
Federal
EPA Facility Registry Service (FRS): Wastewater Treatment Plants
U.S. Environmental Protection Agency —
This GIS dataset contains data on wastewater treatment plants, based on EPA's Facility Registry Service (FRS) and NPDES, along with Clean Watersheds Needs Survey... -
Federal
EnviroAtlas - Selected National Air Toxics Assessment Results by Census Tract - 2014
U.S. Environmental Protection Agency —
These layers are a selection of the National Air Toxics Assessment (NATA) 2014 estimates of ambient concentrations and health-effect results by 2010 U.S. Census... -
Federal
Air Sampling Data for BP Spill/Deepwater Horizon
U.S. Environmental Protection Agency —
The Deepwater Horizon oil spill (also referred to as the BP oil spill) began on 20 April 2010 in the Gulf of Mexico on the BP-operated Macondo Prospect. Following the... -
Federal
Sediment Sampling Data for BP Spill/Deepwater Horizon
U.S. Environmental Protection Agency —
The Deepwater Horizon oil spill (also referred to as the BP oil spill) began on 20 April 2010 in the Gulf of Mexico on the BP-operated Macondo Prospect. Following the... -
Federal
EnviroAtlas - Dairy Cow Operations by County
U.S. Environmental Protection Agency —
This EnviroAtlas dataset summarizes by county the number of farm operations with dairy cows and the number of heads they manage. The data come from the Census of... -
Federal
Water Dischargers/IGD: EF_NPDES
U.S. Environmental Protection Agency —
EF_NPDES is a subset of facilities from FRS_PROGRAM_FACILITY and associated best-available geospatial coordinates which are refreshed daily. The layer shows only... -
Federal
EnviroAtlas - Laying Hen Operations by County
U.S. Environmental Protection Agency —
This EnviroAtlas dataset summarizes by county the number of farm operations with laying hens and the number of heads they manage. The data come from the Census of... -
Federal
EnviroAtlas - Broiler Chicken Operations by County
U.S. Environmental Protection Agency —
This EnviroAtlas dataset summarizes by county the number of farm operations that sell broiler chickens and the number of heads they sell. The data come from the... -
Federal
Superfund/IGD: EF_NPL
U.S. Environmental Protection Agency —
EF_NPL is a subset of facilities from FRS_PROGRAM_FACILITY and associated best-available geospatial coordinates. Facility Registry Service (FRS) data are refreshed... -
Federal
EPA Facility Registry Service (FRS): ER_WTP
U.S. Environmental Protection Agency —
This web feature service contains location and facility identification information from EPA's Facility Registry System (FRS) for the subset of Waste Water Treatment... -
Federal
NPL Superfund Institutional Control Boundaries (EPA)
U.S. Environmental Protection Agency —
This GIS dataset contains polygons depicting U.S. EPA Superfund Institutional Control boundaries. Institutional controls are non-engineered instruments, such as... -
Federal
EnviroAtlas - Predicted drinking water nitrate violations by 12-Digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This map displays predicted probability of a 12-digit Hydrologic Unit (HUC12) being at risk of violating the drinking water nitrate standard. Risk is defined as there... -
Federal
Hurricane Katrina Water Sampling
U.S. Environmental Protection Agency —
Hurricane Katrina made landfall in August 2005, causing widespread devastation along the Gulf Coast of the United States. EPA emergency response personnel worked with... -
Federal
EnviroAtlas - 303(d) Impairments by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset depicts the total length of stream or river flowlines that have impairments submitted to the EPA by states under section 303(d) of the Clean... -
Federal
Fish Metals Dataset, 2015: Coastal Lagoons Monitoring in the Arctic Network of National Parks
Department of the Interior —
Fish metals sampling data collected in the coastal lagoons of Alaska in 2015 for the National Park Service. Methods are described in the monitoring protocol: Jones T,... -
Federal
Hydrological Response Units (HRUs) at a regional-scale for the SNEP region within Massachusetts and Rhode Island
U.S. Environmental Protection Agency —
I. SNEP HRU Project Background The Southeast New England Program (SNEP) region consists of watersheds in Massachusetts and Rhode Island that primarily drain into... -
Federal
EnviroAtlas - Cattle Operations by County
U.S. Environmental Protection Agency —
This EnviroAtlas dataset summarizes by county the number of farm operations with cattle and the number of heads they manage. The data come from the Census of... -
Federal
Raw Data for U. S. Department of Energy (DOE) Categorical Exclusion(CX) Determinations Under the National Environmental Policy Act (NEPA)
Department of Energy —
To further transparency and openness, DOE established a policy to document and post online all CX determinations involving classes of actions listed in Appendix B to...