Search datasets
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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: 89 | Catalog Last Checked: August 03, 2026 at 04:16 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: 58 | Catalog Last Checked: September 10, 2026 at 07:11 PM -
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: 35 | Catalog Last Checked: September 14, 2026 at 07:35 PM -
This EnviroAtlas web service supports research and online mapping activities related to EnviroAtlas (https://www.epa.gov/enviroatlas). This EnviroAtlas dataset describes the percentage of a 15-m...
Search relevance: 1.00 | Views last month: 20 | Catalog Last Checked: May 06, 2026 at 12:20 AM -
This map service displays Level III and Level IV Ecoregions of the United States and was created from ecoregion data obtained from the U.S. Environmental Protection Agency Office of Research and...
Search relevance: 1.00 | Views last month: 18 | Catalog Last Checked: August 03, 2026 at 04:45 AM -
Understanding the relationship between flood inundation and floodplains is critical for ecosystem and community health and well-being, as well as targeting floodplain and riparian restoration....
Search relevance: 1.00 | Views last month: 15 | Catalog Last Checked: August 03, 2026 at 04:18 AM -
Dataset contains continuous underway measurements of ship’s position, sea surface temperature, salinity, turbidity, fluorescence, air temperature, barometric pressure, relative humidity, plus wind...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: August 01, 2026 at 03:51 AM -
An integrated, age-structured model was fitted to different combinations of survey data using two forms of selectivity (logistic or double-logistic) with time-constant or annually varying...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: August 01, 2026 at 03:52 AM -
This EnviroAtlas dataset represents the percentage of land area within each census place in American Samoa that is classified as Canopy, Impervious Surface, and Vegetation using the 2022 NOAA...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: August 03, 2026 at 04:14 AM -
Zooplankton research in the US AMLR Program focuses on the link between prey production, availability, and climate variability in relation to predator and fishery demands. Annual studies include...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: August 01, 2026 at 03:51 AM -
The EnviroAtlas Potentially Restorable Wetlands on Agricultural Land (PRW-Ag) dataset shows potentially restorable wetlands at 30-meter resolution. Beginning two centuries ago, many wetlands were...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: May 06, 2026 at 12:20 AM -
This EnviroAtlas dataset describes the percentage of each block group that is classified as impervious, forest, and green space. Forest is combination of trees and forest and woody wetlands. Green...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: August 03, 2026 at 04:31 AM -
This EnviroAtlas dataset summarizes by county the number of farm operations with beef cows and the number of heads they manage. The data come from the Census of Agriculture, which is administered...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: August 03, 2026 at 04:38 AM -
The U.S. Geological Survey (USGS) has generated land surface form classes for the contiguous United States. These land surface form classes were created as part of an effort to map standardized,...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: September 10, 2026 at 09:14 PM -
Annual air trends report in the form of an interactive web application. The report features a suite of visualization tools that allow the user to: -Learn about air pollution and how it can affect...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: September 10, 2026 at 07:10 PM -
Data were collected from several penguin monitoring sites in the Antarctic peninsula region, the South Orkney Islands, and East Antarctica between 1977 and 2017 using traditional and autonomous...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: August 01, 2026 at 03:52 AM -
This EnviroAtlas dataset is a summary of key demographic groups for the EnviroAtlas community. This dataset was produced by the US EPA to support research and online mapping activities related to...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: August 03, 2026 at 04:13 AM -
This dataset provides estimates of residential septic tank densities at 12-digit Hydrologic Unit Code (HUC12), National Hydrography Dataset (NHD Plus version 2.1, 1:100k scale) catchment, and 2020...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: September 10, 2026 at 10:44 PM -
This dataset summarizes impairment status for HUC12 watersheds at the CONUS scale using the EPA publicly available Assessment, Total Maximum Daily Load (TMDL) Tracking and Implementation System...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: September 10, 2026 at 08:41 PM -
This EnviroAtlas dataset describes the percentage of each block group that is classified as impervious, forest, agriculture, and green space. Forest is combination of trees and forest. Green space...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: August 03, 2026 at 04:27 AM
