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Federal
Level III Ecoregions of Pennsylvania
U.S. Environmental Protection Agency —
Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and... -
Federal
Cyanobacterial frequency at drinking water intakes
U.S. Environmental Protection Agency —
This study presents the first large-scale assessment of cyanobacterial frequency and abundance at surface drinking water intakes across the United States. Public... -
Federal
Cleanups In My Community (CIMC) - Hazardous Waste Corrective Actions, National Layer
U.S. Environmental Protection Agency —
This data layer provides access to Hazardous Waste Corrective Action sites as part of the CIMC web service. Hazardous waste is waste that is dangerous or potentially... -
Federal
Impact of water quality on chlorine demand of corroding copper (Supplement)
U.S. Environmental Protection Agency —
Copper is widely used in drinking water premise plumbing system materials. In buildings such as hospitals, large and complicated plumbing networks make it difficult... -
Federal
Level III Ecoregions of Nebraska
U.S. Environmental Protection Agency —
Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and... -
Federal
Level III Ecoregions of Virginia
U.S. Environmental Protection Agency —
Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and... -
Federal
ConleyJustin_A-b5mz_Dataset_20201021
U.S. Environmental Protection Agency —
This dataset is limited to the human counting values of multinucleated germ cells in treatment-blinded images of rat fetal testes conducted by EPA researcher Justin... -
Federal
EnviroAtlas - St. Louis, MO - 15m Riparian Buffer Vegetated Cover
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of a 15-m riparian buffer that is vegetated. In this community, vegetated land is defined as Trees & Forest,... -
Federal
EnviroAtlas - Baltimore, MD - Greenspace Around Schools by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas data set shows the number of schools in each block group in the EnviroAtlas community boundary as well as the number of schools where less than 25%... -
Federal
EnviroAtlas - St. Louis, MO - People and Land Cover in Floodplains by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%... -
Federal
EnviroAtlas - Tampa, FL - Residents with Potential Window Views of Trees by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset shows the total block group population and the percentage of the block group population that has little access to potential window views of... -
Federal
EnviroAtlas - Baltimore, MD - Estimated Percent Tree Cover Along Walkable Roads
U.S. Environmental Protection Agency —
This EnviroAtlas dataset estimates tree cover along walkable roads. The road width is estimated for each road and percent tree cover is calculated in a 8.5 meter... -
Federal
EnviroAtlas - St. Louis, MO - Park Access by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset shows the block group population that is within and beyond an easy walking distance (500m) of a park entrance. Park entrances were included... -
Federal
EnviroAtlas - St. Louis, MO - Historic Places by Census Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset portrays the total number of historic places located within each Census Block Group (CBG). The historic places data were compiled from the... -
Federal
EnviroAtlas - St. Louis, MO - 51m Riparian Buffer Vegetated Cover
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of a 51-m riparian buffer that is vegetated. In this community, vegetated land is defined as Trees & Forest,... -
Federal
EnviroAtlas - Baltimore, MD - Residents with Potential Window Views of Water by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the block group population and the percentage of the block group population that has potential views of water bodies. A potential... -
Federal
EnviroAtlas - Durham, NC - 15m Riparian Buffer Vegetated Cover
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of a 15-m riparian buffer that is vegetated. There is a potential for decreased water quality in areas where the... -
Federal
EnviroAtlas - 2005-2011 Riparian Land Cover Proportions by 12-digit HUC for Hawaii
U.S. Environmental Protection Agency —
This EnviroAtlas dataset represents the percentage land area that is classified as forest (excluding wetlands), forest including woody wetlands, and natural land...