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Federal
EnviroAtlas - Estimated floodplain map for the Conterminous United States
U.S. Environmental Protection Agency —
Understanding the relationship between flood inundation and floodplains is critical for ecosystem and community health and well-being, as well as targeting floodplain... -
Federal
USGS Water Use Data for the Nation - National Water Information System (NWIS)
Department of the Interior —
The U.S. Geological Survey's National Water-Use Information Program is responsible for compiling and disseminating the nation's water-use data. The USGS works in... -
Federal
EPA Facility Registry Service (FRS): ER_WWTP_NPDES
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 Waste Water Treatment... -
Federal
EnviroAtlas - Road Density Metrics by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes several metrics related to road-stream crossings and roads near streams at the watershed scale. According to EPA report... -
Federal
Meteorological Data (including visibility)
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Ocean Service (NOS) maintains a long-term database containing data from active and historic stations installed all over the United States and U.S.... -
Federal
TIGER/Line Shapefile, Current, State, Massachusetts, County Subdivision
U.S. Census Bureau, Department of Commerce —
This resource is a member of a series. The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information... -
Federal
EnviroAtlas - NatureServe Analysis of Imperiled or Federally Listed Species by HUC-12 for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset includes analysis by NatureServe of species that are Imperiled (G1/G2) or Listed under the U.S. Endangered Species Act (ESA) by 12-digit... -
Federal
EnviroAtlas - Dairy Cow Operations by County
U.S. Environmental Protection Agency —
This EnviroAtlas dataset summarizes by county the number of farm operations with dairy cows and the number of heads they manage. The data come from the Census of... -
Federal
EnviroAtlas - Average annual soil loss and sediment yield to waterbodies by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas national dataset shows the average annual soil loss and sediment yield to waterbodies by 12-digit HUC subwatershed for the conterminous United States... -
Federal
EnviroAtlas - Annual average potential wind energy resource by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset shows the annual average potential wind energy resource in kilowatt hours per square meter per day for each 12-digit Hydrologic Unit (HUC).... -
Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: National Anthropogenic Barrier Dataset (NABD)
U.S. Environmental Protection Agency —
This dataset represents the dam density and storage volumes within individual, local NHDPlusV2 catchments and upstream, contributing watersheds based on the National... -
Federal
EnviroAtlas - HU12_polygon
U.S. Environmental Protection Agency —
This data set is a complete digital hydrologic unit boundary layer to the Subwatershed (12-digit) 6th level for the entire United States. This data set consists of... -
Federal
EPA Facility Registry Service (FRS): ER_TSCA
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
H00772: 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
National Fish Habitat Action Plan (NFHAP) - Coastal Spatial Framework and Coastal Indicator Data
National Oceanic and Atmospheric Administration, Department of Commerce —
The NFHAP Coastal Spatial Framework and Indicator Datasets consist of a geospatial base layer developed in ArcGIS, and associated data fields joined to the spatial... -
Federal
BLM Natl MLRS Acquisitions
Department of the Interior —
The BLM may purchase or acquire land and interests in land (including access easements, conservation easements, mineral rights and water rights) if funding is... -
Federal
TIGER/Line Shapefile, 2023, State, Massachusetts, MA, Census Tract
U.S. Census Bureau, Department of Commerce —
The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master... -
Federal
EnviroAtlas - PRISM 30-Year Normal Annual Precipitation and Minimum and Maximum Temperature for the Contiguous US (1991–2020)
U.S. Environmental Protection Agency —
This annual data was accessed from the PRISM project website (https://prism.oregonstate.edu/normals/) and has a spatial resolution of 30 arcsec (800 m). The three... -
Federal
Text Files of the DGPS Navigation Logged with HYPACK Software on U.S. Geological Survey (USGS) Cruise 2011-006-FA from June 13 to June 21, 2011
Department of the Interior —
The USGS, in cooperation with NOAA, is producing detailed maps of the seafloor off southern New England. The current phase of this cooperative research program is... -
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...