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Federal
Toxics Release Inventory (TRI)
U.S. Environmental Protection Agency —
The Toxics Release Inventory (TRI) is a dataset compiled by the U.S. Environmental Protection Agency (EPA). It contains information on the release and waste... -
State
MD COVID-19 - Cases by County
State of Maryland —
Note: Starting October 10th, 2025 this dataset is deprecated and is no longer being updated.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 The... -
Federal
Fisheries One Stop Shop Public Data 2009 - Present
National Oceanic and Atmospheric Administration, Department of Commerce —
The purpose of the Fisheries One-Stop-Shop (FOSS) is to make fisheries dependent information readily available to fisheries managers, scientists and the American... -
Federal
Surface ocean radial velocities obtained by HF-radar from stations located along coastal waters of Hawaii, North Slope Alaska, Gulf of Alaska, Puerto Rico/Virgin Islands, eastern U.S./Gulf of America, western U.S., and the Great Lakes
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset contains surface ocean radial velocities data obtained by HF-radar from stations located along coastal waters of the United States. Radial velocity files... -
Federal
EnviroAtlas - Baltimore, MD - Meter-Scale Urban Land Cover (MULC) Data
U.S. Environmental Protection Agency —
The Baltimore, MD EnviroAtlas Meter-scale Urban Land Cover (MULC) dataset comprises 4,545 km2 around the city of Baltimore and portions of surrounding counties. These... -
Federal
TIGER/Line Shapefile, Current, State, Maryland, Census Tract
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... -
State
MD iMAP: Maryland Wetlands - Wetlands Polygon (Department of Natural Resources)
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The Maryland Department of Natural resources began updating the National... -
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
TIGER/Line Shapefile, 2023, State, Maryland, MD, 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
TIGER/Line Shapefile, 2022, State, Maryland, MD, 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 Estimated Percent Green Space Along Walkable Roads Web Service
U.S. Environmental Protection Agency —
This EnviroAtlas dataset estimates green space along walkable roads. Green space within 25 meters of the road centerline is included and the percentage is based on... -
Federal
EnviroAtlas - Baltimore, MD - Estimated Percent Tree Cover Along Walkable Roads
U.S. Environmental Protection Agency —
This EnviroAtlas dataset estimates tree cover along walkable roads. The road width is estimated for each road and percent tree cover is calculated in a 8.5 meter... -
Federal
TIGER/Line Shapefile, Current, State, Maryland, Place
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... -
State
MD iMAP: Maryland Protected Lands - Local Protected Lands
State of Maryland —
This data illustrates parcels subject to some type of preservation easement as well as properties owned by federal, state, and local governments. In addition,... -
Federal
TIGER/Line Shapefile, Current, State, Maryland, Unified School Districts
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... -
State
MD iMAP: Maryland Geology - Physiographic Provinces
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This data layer contains the Province-level physiographic subdivisions of... -
State
MD iMAP: Maryland Protected Lands - DNR Owned Properties and Conservation Easements
State of Maryland —
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. The Maryland Department of Natural Resources (DNR) manages over 446 - 000 acres... -
State
MD iMAP: Maryland Bathymetry - Chesapeake Bay Contours
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Bathymetry for Chesapeake Bay was derived from two hundred ninety-seven... -
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...