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: PRISM Normals Data
U.S. Environmental Protection Agency —
This dataset represents climate observations within individual, local NHDPlusV2 catchments and upstream, contributing watersheds. Attributes of the landscape layer... -
State
MD COVID-19 - Confirmed Deaths by County
State of Maryland —
Note: Note: Starting October 10th, 2025 this dataset is deprecated and is no longer being updated. As of April 27, 2023 updates changed from daily to weekly. Summary... -
Federal
EPA Facility Registry Service (FRS): ER_RCRATSD
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... -
State
MD iMAP: Maryland Political Boundaries - ZIP Codes
State of Maryland —
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. In 1993 - the Maryland Department of Planning and the Maryland State Highway... -
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
USEPA Environmental Quality Index (EQI) - Air, Water, Land, Built, and Sociodemographic Domains 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
Text files of the navigation logged with HYPACK Software during survey 2015-001-FA conducted along the Delmarva Peninsula, MD and VA by the U.S. Geological Survey in 2015
Department of the Interior —
The Delmarva Peninsula is a 220-kilometer-long headland, spit, and barrier island complex that was significantly affected by Hurricane Sandy in the fall of 2012. The... -
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
Extreme Water Levels from CO-OPS
National Oceanic and Atmospheric Administration, Department of Commerce —
Extremely high or low water levels at coastal locations are an important public concern and a factor in coastal hazard assessment, navigational safety, and ecosystem... -
Federal
Data for Artificial Intelligence: Data-Centric AI for Transportation: Work Zone Use Case Processed Integrated Traffic Work Zone Data
Department of Transportation —
Data for Artificial Intelligence: Data-Centric AI for Transportation: Work Zone Use Case proposes a data integration pipeline that enhances the utilization of work... -
Federal
TIGER/Line Shapefile, 2022, State, Maryland, MD, County Subdivision
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
Superfund/IGD: EF_NPL
U.S. Environmental Protection Agency —
EF_NPL is a subset of facilities from FRS_PROGRAM_FACILITY and associated best-available geospatial coordinates. Facility Registry Service (FRS) data are refreshed... -
Federal
National Estuarine Research Reserve System - NERRS - Meteorological Data
National Oceanic and Atmospheric Administration, Department of Commerce —
Meteorological data provide information on atmospheric conditions that can affect water quality and biological and physical processes. Core elements currently... -
Federal
Unvegetated to vegetated ratio of marsh units in Chesapeake Bay salt marshes
Department of the Interior —
This data release contains coastal wetland synthesis products for Chesapeake Bay. Metrics for resiliency, including unvegetated to vegetated ratio (UVVR), marsh... -
Federal
EnviroAtlas – Potential Wetland Area for the Conterminous United States
U.S. Environmental Protection Agency —
The Potential Wetland Area (PWA) layer shows areas where conditions may be suitable for wetland habitat at a 10-m resolution. Since the 1600's, an estimated 53% of... -
State
MD iMAP: Maryland Tidal Waters
State of Maryland —
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The MD_Surface_Waters Feature Dataset includes 7 feature classes that... -
Federal
Data Release: Bee and plant inventory data from four national parks in Maryland and Virginia, USA, 2021–2022
Department of the Interior —
This data release is for all native bee and plant records collected at four national parks in Maryland and Virginia, 2021 and 2022. The purpose of the study was to... -
State
MD iMAP: Maryland Critical Areas - Critical Areas
State of Maryland —
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. In 1984 - the General Assembly enacted the Chesapeake Bay Critical Area Act to... -
Federal
A NAIP and Sentinel-2 based quantification of fractional composition of unvegetated, vegetated, and water in the Atlantic Coast, 2014-2019 used for calibration and validation of Landsat based datasets
Department of the Interior —
These datasets were created from high-resolution (1-m) datasets representing median conditions during a 2014-2019 time period. These datasets used National... -
Federal
USGS Streamgages Linked to the Medium Resolution NHD
Department of the Interior —
The locations of approximately 23,000 current and historical U.S. Geological Survey (USGS) streamgages in the United States and Puerto Rico (with the exception of...
3,105 datasets found