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Federal
Chemical Data Reporting (CDR), 2012
U.S. Environmental Protection Agency —
This data download package contains the following map layers: CDR sites, CDR chemicals, and CDR commercial and industrial submissions. Layers are drawn at all scales.... -
Federal
EnviroAtlas - Dasymetric Population in the Conterminous United States Web Service
U.S. Environmental Protection Agency —
This EnviroAtlas web service supports research and online mapping activities related to EnviroAtlas (https://www.epa.gov/enviroatlas). This EnviroAtlas dataset... -
Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Predicted Biological Condition
U.S. Environmental Protection Agency —
This dataset consists of predicted probabilities of good biological condition based in the US EPA 2008/2009 National Rivers and Streams Assessment (NRSA). NRSA... -
Federal
EnviroAtlas - NHDPlus V2 Flowlines and Waterbodies Web Service - Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas web service contains layers depicting NHD Version 2.1 Plus flowlines and waterbodies for the conterminous United States. EnviroAtlas... -
Federal
EnviroAtlas - Protected Lands by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This dataset shows the percentage of each National Hydrography Dataset Plus (NHDPlus) V2 12-digit Hydrologic Unit (HUC) that is included in the USGS National Gap... -
Federal
2024 Cartographic Boundary File (SHP), Elementary School District for Maine, 1:500,000
U.S. Census Bureau, Department of Commerce —
The 2024 cartographic boundary shapefiles are simplified representations of selected geographic areas from the U.S. Census Bureau's Master Address File /... -
Federal
EnviroAtlas - Commute Modes and Working from Home by Block Group for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset portrays the percent of workers who commute to work using various modes, and the percent who work from home within each Census Block Group... -
Federal
Katahdin Woods and Waters National Monument Seboeis Unit Vegetation Mapping Project: Accuracy Assessment Sites and Vegetation Plots Field Data Species List
Department of the Interior —
During summer 2019, botanists with the Maine Natural Areas Program collected data from 94 vegetation plots for plant community characterization. The sampling data... -
Federal
E07 Accelerometer Waves
National Oceanic and Atmospheric Administration, Department of Commerce —
Ocean observation data from the Northeastern Regional Association of Coastal & Ocean Observing Systems (NERACOOS). The NERACOOS region includes the northeast... -
Federal
TEMPESTS MD101 Waves - CINAR
National Oceanic and Atmospheric Administration, Department of Commerce —
CINAR Storm MD101 Waves -
Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: State Soil Geographic Database (STATSGO) (KFFACT)
U.S. Environmental Protection Agency —
This dataset represents the soil characteristic within individual, local NHDPlusV2 catchments and upstream, contributing watersheds based on the STATSGO landscape... -
Federal
GIS for focus areas of potential domestic resources of 11 critical minerals—aluminum, cobalt, graphite, lithium, niobium, platinum group elements, rare earth elements, tantalum, tin, titanium, and tungsten (version 2.0, August 2020)
Department of the Interior —
In response to Executive Order 13817 of December 20, 2017, the U.S. Geological Survey (USGS) coordinated with the Bureau of Land Management (BLM) to identify 35... -
Federal
US EPA Nonattainment Areas and Designations-Lead (2008 NAAQS)
U.S. Environmental Protection Agency —
This web service contains the following layers: Lead NAA 2008 NAAQS and Lead NAA Centroids 2008 NAAQS. Full FGDC metadata records for each layer may be found by... -
Federal
NOAA's Coastal Change Analysis Program (C-CAP) 2010 Regional Land Cover Data - Coastal United States
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 - Sum of population near roads without tree buffer for the conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset is a summary of total population near major roads without any tree buffer within 12-digit Hydrologic Units (HUC_12), based on the National... -
Federal
I01 SUNA - Nitrate Observations
National Oceanic and Atmospheric Administration, Department of Commerce —
Ocean observation data from the Northeastern Regional Association of Coastal & Ocean Observing Systems (NERACOOS). The NERACOOS region includes the northeast... -
Federal
D00246: NOS Hydrographic Survey , 2018-03-12
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
H00856: NOS Hydrographic Survey
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
Geographically Isolated Wetlands (Non-Floodplain Wetlands) of the Conterminous United States
U.S. Environmental Protection Agency —
This data set represents the extent and approximate location of GIWs, also known as non-floodplain wetlands (NFWs), in the conterminous United States. NWI lacustrine... -
Federal
The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: 2010 US Census Road Density
U.S. Environmental Protection Agency —
This dataset represents the road density within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies. Catchment boundaries in LakeCat are...