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Topography Hydro Breaklines
District of Columbia —
The dataset contains hydro-breaklines that were collected in 2D as vector line work, using a combination of classified lidar dataset, intensity images, shaded relief... -
Topography Hydro Breaklines - 2018
District of Columbia —
The dataset contains hydro-breaklines that were collected in 2D as vector line work, using a combination of classified lidar dataset, intensity images, shaded relief... -
Federal
National Capital Parks - Central Small-Scale Base GIS Data
Department of the Interior —
This data set contains small-scale base GIS data layers compiled by the National Park Service Servicewide Inventory and Monitoring Program and Water Resources... -
LiDAR - Normalized Digital Surface Model - Tiles
District of Columbia —
Normalizd Digital Surface Model - 1m resolution. The dataset contains the 1m Digital Surface Model for the District of Columbia.Some areas have limited data. The lidar... -
Federal
National Mall and Memorial Parks Tract and Boundary Data
Department of the Interior —
These ESRI shape files are of National Park Service tract and boundary data that was created by the Land Resources Division. Tracts are numbered and created by the... -
Federal
National Capital Parks - East Small-Scale Base GIS Data
Department of the Interior —
This data set contains small-scale base GIS data layers compiled by the National Park Service Servicewide Inventory and Monitoring Program and Water Resources... -
Federal
Patuxent River Basin Environmental Variable Rasters: Climate, Topography, Land Use and Land Cover
Department of the Interior —
Natural resource managers worldwide grapple with protecting aquatic environments and species in the face of intensifying land use and climatic changes. The... -
Federal
Per- and polyfluoroalkyl substances (PFAS) results in tapwater samples, in select areas within the United States, beginning 2023 (ver. 2.0, June 2025)
Department of the Interior —
This data release provides concentration results for per- and polyfluoroalkyl substances (PFAS) collected by volunteer community members, in tapwater samples from 84... -
Federal
Subcropping Geology for the Mid-Atlantic Coastal Plain
Department of the Interior —
Subcropping geology for the Mid-Atlantic Coastal Plain was compiled and interpreted from available published sources. Formation contacts were interpolated across... -
Federal
A Surficial Hydrogeologic Framework for the Mid-Atlantic Coastal Plain
Department of the Interior —
The hydrogeologic framework was developed from a combination of the physiography and the predominant texture of surficial geologic units in the Mid-Atlantic Coastal... -
Federal
Palmer Hydrological Drought Index (PHDI) values for selected Chesapeake Bay watersheds
Department of the Interior —
This dataset contains values of the Palmer Hydrological Drought Index (PHDI) for annual and seasonal periods from 1985-2012. Values are derived from data based on... -
Federal
Potomac River Watershed Accumulated Wastewater Ratios and Predicted Environmental Concentrations
Department of the Interior —
Treated effluent from wastewater treatment plants (WWTPs) contains contaminants not fully removed during the treatment process and that may pose environmental health... -
Federal
Physiography for the Mid-Atlantic Coastal Plain
Department of the Interior —
Physiography for the Mid-Atlantic Coastal Plain was constructed by standardizing and extrapolating previous physiographic interpretations for areas within and... -
Federal
Rock Creek Park Park Small-Scale Base GIS Data
Department of the Interior —
This data set contains small-scale base GIS data layers compiled by the National Park Service Servicewide Inventory and Monitoring Program and Water Resources... -
Federal
Discharge and sediment data for selected tributaries to the Anacostia River, Washington, District of Columbia, 2003-18
Department of the Interior —
Data release consists of five comma delimited text files containing discharge and sediment data for five gaged tributaries to the Anacostia River in Washington,... -
Federal
FishTail, Indices and Supporting Data Characterizing the Current and Future Risk to Fish Habitat Degradation in the Northeast Climate Science Center Region
Department of the Interior —
Human impacts occurring throughout the Northeast United StatesDOI Northeast Climate Science Center, including urbanization, agriculture, and dams, have multiple... -
Federal
fishtail_huc12: Indices and supporting data characterizing the current and future risk to fish habitat degradation in the Northeast Climate Science Center region
Department of the Interior —
This dataset represents results from this study attributed to the Hydrologic Unit Code (HUC) 12 watershed boundaries. Human impacts occurring throughout the Northeast... -
Federal
fishtail_catch:Indices and supporting data characterizing the current and future risk to fish habitat degradation in the Northeast Climate Science Center region
Department of the Interior —
This dataset represents results from this study attributed to the NHDPlus catchments. Human impacts occurring throughout the Northeast United StatesDOI Northeast... -
Federal
fishtail_catch:Indices and supporting data characterizing the current and future risk to fish habitat degradation in the Northeast Climate Science Center region
Department of the Interior —
This dataset represents results from this study attributed to the NHDPlus stream reach segments. Human impacts occurring throughout the Northeast United StatesDOI... -
Federal
Washington Monument Tract and Boundary Data
Department of the Interior —
These ESRI shape files are of National Park Service tract and boundary data that was created by the Land Resources Division. Tracts are numbered and created by the...