16 datasets found for "Hydrology"
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Wetland Inventory
District of Columbia —
This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the United States and its Territories. These data delineate... -
Identify Your Watershed and Sewer System Area App
District of Columbia —
This app displays a series of general information for an address, location, or where the user clicks in DC.Some information returned are:-Municipal Separate Storm... -
LiDAR - Hydro Enforced Digital Terrain Model - Tiles
District of Columbia —
Hydro-Flattened Bare Earth DTM - 1m resolution. The dataset contains the 1m Digital Surface Model for the District of ColumbiaSome areas have limited data. The lidar... -
Floodplain FIRM Panels
District of Columbia —
Location and attributes for FIRM hardcopy map panels. The spatial entities representing FIRM panels are polygons. The polygon for the FIRM panel corresponds to the... -
Real Property Tax Assessment Neighborhoods
District of Columbia —
This dataset contains polygons that represent the boundaries of assessment neighborhoods as defined by the DC Office of Tax and Revenue (OTR) Real Property Tax... -
Floodplain Cross Sections
District of Columbia —
Location and attributes for cross section lines in the area covered by the FIRM. This layer must contain all cross sections in a model, not just the lettered cross... -
Wetland Types
District of Columbia —
This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the United States and its Territories. These data delineate... -
Floodplain Base Flood Elevations
District of Columbia —
Location and attributes for Base Flood Elevations lines shown on FIRM. The elevation of surface water resulting from a flood that has a 1% chance of equaling or... -
Wetland General Types
District of Columbia —
NWI digital data files are records of wetlands location and classification as defined by the U.S. Fish Wildlife Service. This dataset is one of a series available in... -
Floodplain General Structures
District of Columbia —
Location and attributes for flood control structures shown on the flood profile and FIRM. This table is required whenever hydraulic structures are shown in the flood... -
2018 LiDAR - Hydro Enforced Digital Terrain Model - Tiles
District of Columbia —
Hydro-Flattened Bare Earth DTM. The dataset was created using the lidar bare earth points and 3D hydro breaklines to a resolution of 1 m (April 2018).Voids exist in... -
Watersheds
District of Columbia —
This data set consists of geo-referenced digital data and associated attributes created in accordance with the FGDC Proposal, Version 1.0 - Federal Standards For... -
Real Property Tax Assessment Sub-Neighborhoods
District of Columbia —
This dataset contains polygons that represent the boundaries of assessment subneighborhoods as defined by the DC Office of Tax and Revenue (OTR) Real Property Tax... -
Subwatersheds
District of Columbia —
This dataset is a complete digital hydrologic unit boundary layer to the subwatershed (12-digit) 6th level at 1:24,000 scale. This data set consists of geo-referenced... -
Rhode Island Avenue Metro Underpass Flood Hazard Area
District of Columbia —
On August 14, 2023, approximately 2 inches of rain fell in less than an hour at this location, flooding the underpass, stranding cars, and filling a pet daycare... -
DC Watersheds
District of Columbia —
This dataset is a digital hydrologic unit boundary layer for the District of Columbia only - to the watershed (10-digit) 6th level at 1:24,000 scale. It is a clipped...
16 datasets found for "Hydrology"