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State
Navigable Waterways
State of Maryland —
The National Waterway Network is a comprehensive network database of the nation's navigable waterways. The data set covers the 48 contiguous states plus the District... -
State
Waterbird Habitat and Density
State of Maryland —
This data layer contains waterbird density blocks extracted from the Minerals Management Service's Mid-Atlantic Waterbird Data Beta Version 1.0. This application is... -
State
Critical Areas Counties
State of Maryland —
In 1984, the General Assembly enacted the Chesapeake Bay Critical Area Act to regulate development, manage land use and conserve natural resources on land in those... -
State
Maryland Artificial Reef Initiative Sites
State of Maryland —
The Maryland Artificial Reef Initiative (MARI) is a state-run initiative, managed by the Maryland Department of Natural Resources, aimed at developing new fish... -
State
Rivers and Streams - Generalized
State of Maryland —
The digital segmented network based on watershed boundaries, ERF1-2, includes enhancements to the U.S. Environmental Protection Agency's River Reach File 1 (RF1)... -
State
DNR Owned Lands and Conservation Easements
State of Maryland —
The Maryland Department of Natural Resources (DNR) manages over 446,000 acres of public lands and protected open space in the state. The DNR Lands data (part of... -
State
Waterbird Habitat and Density
State of Maryland —
This data layer contains waterbird density blocks extracted from the Minerals Management Service's Mid-Atlantic Waterbird Data Beta Version 1.0. This application is... -
State
SHIP Children Receiving Blood Lead Screening 2011-2021
State of Maryland —
This is historical data. The update frequency has been set to "Static Data" and is here for historic value. Updated on 8/14/2024 Children Receiving Blood Lead... -
State
Wetlands - National Wetlands Inventory
State of Maryland —
This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the conterminous United States. These data delineate the... -
State
Trust Fund Priority Zones - Current
State of Maryland —
In 2007, State leaders in Maryland took a bold step in their efforts to restore the Chesapeake Bay with the creation of the Chesapeake and Atlantic Coastal Bays Trust... -
State
Water Point Source Sample Results
State of Maryland —
Discharge monitoring reports (DMRs) and monthly operating reports (MORs) for the 58 major WWTPs, 215 minor WWTPs, and 10 major industrial point sources within the... -
State
DNR Owned Lands and Conservation Easements
State of Maryland —
The Maryland Department of Natural Resources (DNR) manages over 446,000 acres of public lands and protected open space in the state. The DNR Lands data (part of... -
State
Maryland Artificial Reef Initiative Sites
State of Maryland —
The Maryland Artificial Reef Initiative (MARI) is a state-run initiative, managed by the Maryland Department of Natural Resources, aimed at developing new fish... -
State
Maryland Artificial Reef Initiative Center Points
State of Maryland —
The Maryland Artificial Reef Initiative (MARI) is a state-run initiative, managed by the Maryland Department of Natural Resources, aimed at developing new fish... -
State
Maryland Artificial Reef Initiative Center Points
State of Maryland —
The Maryland Artificial Reef Initiative (MARI) is a state-run initiative, managed by the Maryland Department of Natural Resources, aimed at developing new fish... -
State
Navigable Waterways
State of Maryland —
The National Waterway Network is a comprehensive network database of the nation's navigable waterways. The data set covers the 48 contiguous states plus the District... -
State
Critical Areas Counties
State of Maryland —
In 1984, the General Assembly enacted the Chesapeake Bay Critical Area Act to regulate development, manage land use and conserve natural resources on land in those... -
State
Rivers and Streams - Generalized
State of Maryland —
The digital segmented network based on watershed boundaries, ERF1-2, includes enhancements to the U.S. Environmental Protection Agency's River Reach File 1 (RF1)...