3,105 datasets found
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Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: National Nutrient Inventory
U.S. Environmental Protection Agency —
These data represent the National Nutrient Inventory's quantification of major inputs (farm fertilizer, urban fertilizer, livestock manure, human waste, deposition,... -
Federal
Species of Greatest Conservation Need National Database
Department of the Interior —
The Species of Greatest Conservation Need National Database is an aggregation of lists from State Wildlife Action Plans. Species of Greatest Conservation Need (SGCN)... -
Federal
Certification Plan and Reporting Database (CPARD)
U.S. Environmental Protection Agency —
CPARD contains (1) EPA-approved State, Tribal and Federal certification plans required by the Federal Insecticide, Fungicide, Rodenticide Act to administer a... -
Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Base Flow Index
U.S. Environmental Protection Agency —
This dataset represents the base flow index values within individual, local NHDPlusV2 catchments and upstream, contributing watersheds. Attributes of the landscape... -
Federal
EnviroAtlas - National Biodiversity Ecosystem Services Metrics by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains species richness metrics based on habitat models generated by the U.S. Geological Survey (USGS) National Gap Analysis Project (GAP).... -
Federal
Forest Health Protection Tree Species Metrics Stand Density Index
Department of Agriculture —
These data are a product of a multi-year effort by the FHTET (Forest Health Technology Enterprise Team) Remote Sensing Program to develop raster datasets of forest... -
Federal
Physical Oceanographic (Water Temperature and Conductivity) Data
National Oceanic and Atmospheric Administration, Department of Commerce —
NOAA's Center for Operational Oceanographic Products and Services (CO-OPS) is the authoritative source for accurate, reliable, and timely data on tides, water levels,... -
Federal
EPA Facility Registry Service (FRS): Oil Capacity
U.S. Environmental Protection Agency —
This dataset contains location and facility identification information from EPA's Facility Registry System (FRS) for the subset of facilities that are active oil... -
Federal
EPA Facility Registry Service (FRS): ER_FRP
U.S. Environmental Protection Agency —
This dataset contains location and facility identification information from EPA's Facility Registry System (FRS) for the subset of facilities that link to Facility... -
Federal
GAGES-II: Geospatial Attributes of Gages for Evaluating Streamflow
Department of the Interior —
This dataset, termed "GAGES II", an acronym for Geospatial Attributes of Gages for Evaluating Streamflow, version II, provides geospatial data and classifications for... -
Federal
H08874: NOS Hydrographic Survey , Severn River Annapolis, Maryland, 1966-09-12
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe... -
Federal
Dataset of Helium Concentrations in United States Wells
Department of the Interior —
This dataset provides national scale location information for known, publicly available, data on helium gas concentrations, reported in mol%. The dataset was created... -
Federal
Chesapeake Bay non-tidal network shapefiles for selected watershed boundaries
Department of the Interior —
This metadata report documents a shapefile of watershed boundaries for 84 selected United States Geological Survey (USGS) water quality stations that are part of the... -
Federal
EPA Facility Registry Service (FRS): ER_TRI
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 facilities that link to... -
Federal
Coastal Change Analysis Program (C-CAP) Regional Land Cover Data and Change Data NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
The NOAA Coastal Change Analysis Program (C-CAP) produces national standardized land cover and change products for the coastal regions of the U.S. C-CAP products... -
Federal
EnviroAtlas - Percent Urban Land Cover by 12-Digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset estimates the percent urban land for each 12-digit hydrologic unit code (HUC) in the conterminous United States. For the purposes of this... -
Federal
EnviroAtlas - Average Annual Precipitation 1981-2010 by HUC12 for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset provides the average annual precipitation by 12-digit Hydrologic Unit (HUC). The values were estimated from maps produced by the PRISM... -
State
MD iMAP: Maryland Property Data - Tax Map Grids
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This layer contains the boundaries and IDs of the Maryland tax maps... -
Federal
EnviroAtlas - Baltimore, MD - Impervious Proximity Gradient
U.S. Environmental Protection Agency —
In any given 1-square meter point in this EnviroAtlas dataset, the value shown gives the percentage of impervious surface within 1 square kilometer centered over the... -
Federal
EnviroAtlas - Atmospheric Nitrogen and Sulfur Deposition by 12-digit HUC for the Conterminous United States (2017)
U.S. Environmental Protection Agency —
This EnviroAtlas dataset includes annual nitrogen and sulfur deposition within each 12-digit HUC subwatershed for the year 2017. Values are provided for total...
3,105 datasets found