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Federal
Walkability Index
U.S. Environmental Protection Agency —
The Walkability Index dataset characterizes every Census 2019 block group in the U.S. based on its relative walkability. Walkability depends upon characteristics of... -
Federal
Neighborhoods, US, 2017, Zillow, SEGS
U.S. Environmental Protection Agency —
This web service depicts nearly 17,000 neighborhood boundaries in over 650 U.S. cities. Zillow created the neighborhood boundaries and is sharing them with the public... -
Federal
US EPA Nonattainment Areas and Designations
U.S. Environmental Protection Agency —
This web service contains the following state level layers:Ozone 8-hr (1997 standard), Ozone 8-hr (2008 standard), Lead (2008 standard), SO2 1-hr (2010 standard),... -
Federal
USEPA Environmental Quality Index (EQI) - Air, Water, Land, Built, and Sociodemographic Domains Non-Transformed Variables Dataset as Input for the 2000-2005 USEPA EQI, by County for the United States
U.S. Environmental Protection Agency —
The US Environmental Protection Agency's (EPA) National Health and Environmental Effects Research Laboratory (NHEERL) in the Environmental Public Health Division... -
Federal
US Estimated Private Domestic Wells Map Service
U.S. Environmental Protection Agency —
Private domestic well use estimates for US Census block groups were calculated using a combination of population and housing unit data from the 1990, 2000 and 2010... -
Federal
US EPA Nonattainment Areas and Designations - Download Package
U.S. Environmental Protection Agency —
This downloadable data package contains the following state level layers: Ozone 8-hr (1997 standard), Ozone 8-hr (2008 standard), Lead (2008 standard), SO2 1-hr (2010... -
Federal
USEPA Environmental Quality Index (EQI) and Associated Domain Indices by County for the United States 2000-2005 Original
U.S. Environmental Protection Agency —
The US Environmental Protection Agency's (EPA) National Health and Environmental Effects Research Laboratory (NHEERL) in the Environmental Public Health Division... -
Federal
Chesapeake Bay (M130) Bathymetric Digital Elevation Model - NOAA/NOS Estuarine Bathymetry
National Oceanic and Atmospheric Administration, Department of Commerce —
A 1/3 arc-second Mean Lower Low Water bathymetric DEM of NOS hydrographic survey data in the Chesapeake Bay Estuary. -
Federal
NGBS: Points for Smart Location Practices
U.S. Environmental Protection Agency —
These map layers present the number of National Green Building Standard points awarded for a project site or lot’s relative walkability, and accessibility to jobs via... -
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
NCCOS Assessment: Pilot Framework for Fish Habitat Assessments Across Tidal and Non-Tidal Waters in the Patuxent River Basin, 1999-05-22 to 2022-10-06 (NCEI Accession 0295082)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset includes the data that was used for the tidal portion of the joint pilot fish habitat assessment. Additional data for non-tidal waters is being archived... -
Federal
Methane (CH4) in water, Methane (CH4) stable carbon isotope ratios, and others in Rock Creek, Chesapeake Bay from 2016-07-12 to 2021-08-06 (NCEI Accession 0244510)
National Oceanic and Atmospheric Administration, Department of Commerce —
There are three data types in this dataset. 1) Dissolved methane concentrations and stable carbon isotope ratios were measured from water samples collected in the... -
Federal
NOAA National Estuarine Research Reserve (NERR) System-wide Monitoring Program (SWMP) Meteorological, Water Quality and Nutrient/Pigment Data from 1994 to 2024
National Oceanic and Atmospheric Administration, Department of Commerce —
The NOAA National Estuarine Research Reserve (NERR) System-wide Monitoring Program (SWMP) collects meteorological, water quality, and nutrient/pigment data on an... -
Federal
F00080: NOS Hydrographic Survey , 1949-05-20
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
US EPA Nonattainment Areas and Designations - Carbon Monoxide (1990 NAAQS) - Web Service Layer
U.S. Environmental Protection Agency —
This web service layer, Carbon Monoxide (1990 NAAQS), displays identified state level areas where carbon monoxide pollution has not met the National Ambient Air... -
Federal
Salinity, temperature, and other data collected aboard NOAA Ship FERREL and other platforms from 1996-01-30 to 1999-01-26 (NCEI Accession 9900157)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset is a collection of cruise data collected by the Coastal Remote Sensing (CRS) Program at the NOAA Coastal Services Center (CSC). The data include CTD... -
Federal
Dissolved inorganic carbon (DIC), total alkalinity (TA), temperature, salinity, dissolved oxygen and other parameters collected from discrete samples and profile observations during R/V Rachel Carson cruises 201605CB, 201606CB, 201608CB, 201610CB (EXPOCODEs 32RC20160504, 32RC20160606, 32RC20160808, 32RC20161010) in the Chesapeake Bay and North Atlantic Ocean from 2016-05-04 to 2016-10-13 (NCEI Accession 0209358)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset includes discrete profile data collected during the R/V Rachel Carson cruises 201605CB, 201606CB, 201608CB, 201610CB (EXPOCODEs 32RC20160504,... -
Federal
CTD and sound speed profile data acquired in support of hydrographic multibeam surveys to meet NOAA/NOS, Office of Coast Survey charting requirements
National Oceanic and Atmospheric Administration, Department of Commerce —
Multiple sensors are used to acquire sound speed profiles in the survey areas assigned to the ships and navigation response teams. Some vessels have CTDs and acquire... -
Federal
2003 Sediment Grab Data for Catlett and Goodwin Islands on the York River, Chesapeake Bay, Virginia (Ches_2003sedgrabs)
National Oceanic and Atmospheric Administration, Department of Commerce —
This data set represents the sediment grain size gathered from grab sampling in 2003 (24 stations).In Fall/Winter 2002, researchers from the Virginia Institute of... -
Federal
H06957A: NOS Hydrographic Survey , 1944-03-30
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...