Search datasets
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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 purposes of this effort as the...
Search relevance: 1.00 | Views last month: 197 | Catalog Last Checked: June 30, 2026 at 07:13 AM -
The Great Lakes Environmental Database (GLENDA) houses environmental data collected by EPA Great Lakes National Program Office (GLNPO) programs that sample water, aquatic life, sediments, and air...
Search relevance: 1.00 | Views last month: 90 | Catalog Last Checked: June 18, 2026 at 12:18 AM -
This dataset shows the temporal frequency and spatial extent of cyanobacteria cells in large, freshwater lakes and reservoirs across the continental United States derived from 300x300 meter MEdium...
Search relevance: 1.00 | Views last month: 56 | Catalog Last Checked: May 06, 2026 at 12:02 AM -
ECHO provides integrated compliance and enforcement information for about 800,000 regulated facilities nationwide. Its features range from simple to advanced, catering to users who want to conduct...
Search relevance: 1.00 | Views last month: 49 | Catalog Last Checked: June 30, 2026 at 07:12 AM -
This GIS dataset contains polygons depicting U.S. EPA Superfund Institutional Control boundaries. Institutional controls are non-engineered instruments, such as administrative and legal controls,...
Search relevance: 1.00 | Views last month: 35 | Catalog Last Checked: June 30, 2026 at 07:13 AM -
This EnviroAtlas web service supports research and online mapping activities related to EnviroAtlas (https://www.epa.gov/enviroatlas). This web service includes layers depicting EnviroAtlas...
Search relevance: 1.00 | Views last month: 20 | Catalog Last Checked: May 06, 2026 at 12:11 AM -
This data layer provides access to Superfund National Priority List Sites as part of the CIMC web service. Superfund is a program administered by the EPA to locate, investigate, and clean up worst...
Search relevance: 1.00 | Views last month: 19 | Catalog Last Checked: May 06, 2026 at 12:37 AM -
This web feature service contains location and facility identification information from EPA's Facility Registry System (FRS) for the subset of facilities that link to the Toxic Substances Control...
Search relevance: 1.00 | Views last month: 19 | Catalog Last Checked: July 01, 2026 at 07:23 AM -
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 explosion and sinking of the...
Search relevance: 1.00 | Views last month: 14 | Catalog Last Checked: May 06, 2026 at 12:36 AM -
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 explosion and sinking of the...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: May 06, 2026 at 12:36 AM -
This GIS dataset contains polygons depicting U.S. EPA Superfund Operable Unit boundaries. The operable unit (OU) polygons represent an individual OU’s perimeters, which are used to identify a...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: June 30, 2026 at 07:13 AM -
This GIS dataset contains points depicting U.S. EPA Superfund features. This dataset is reserved for important Superfund site features that are best captured as point features in geospatial...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: June 30, 2026 at 07:13 AM -
This GIS dataset contains points which depict air quality monitors within EPA's Air Quality System (AQS) monitoring network. This dataset is updated weekly to reflect the most recent changes in...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 06, 2026 at 12:31 AM -
This GIS dataset contains polygons depicting U.S. EPA Superfund features. This dataset is reserved for important Superfund site features that are best captured as polygon features in geospatial...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: June 30, 2026 at 07:13 AM -
This dataset contains location and facility identification information from EPA's Facility Registry System (FRS) for the subset of facilities that contain Oil compliance inspection activities for...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: May 06, 2026 at 12:30 AM -
Accidents, spills, leaks, and past improper disposal and handling of hazardous materials and wastes have resulted in tens of thousands of sites across our country that have contaminated our land,...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: June 24, 2026 at 03:54 AM -
The Endangered Species Act (ESA) provides a program for the conservation of threatened and endangered species and the habitats in which they are found. The U.S. Fish and Wildlife Service (USFWS)...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: June 28, 2026 at 06:42 AM -
This dataset contains location and facility identification information from EPA's Facility Registry System (FRS) for the subset of facilities that are active oil facilities. It includes...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: May 06, 2026 at 12:30 AM -
This web feature service contains location and facility identification information from EPA's Facility Registry System (FRS) for the subset of Waste Water Treatment Plant facilities that link to...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: June 29, 2026 at 06:48 AM -
Jurisdictional boundary between EPA and Coast Guard for EPA Region I. Created from 1:100000 USGS DLGs with greater detail drawn from 1:24000 commercial street data for Region I. This layer is used...
Search relevance: 1.00 | Views last month: 7 | Catalog Last Checked: June 10, 2026 at 11:04 PM
