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Floodplains Outline recent views
District of Columbia —
The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Management Agency (FEMA), and... -
Hydrography Lines 2015 recent views
District of Columbia —
Hydrography lines. The dataset contains polygons representing planimetric hydrography, created as part of the DC Geographic Information System (DC GIS) for the D.C.... -
Hydrography Lines recent views
District of Columbia —
This layer contains hydrography such as streams, rivers, and other linear hydrography features. Hidden hydrography, inferred drainage connectors, or culverts connect... -
MS4 Storm Sewer Outfalls recent views
District of Columbia —
The dataset contains locations and attributes of the MS4 outfalls created as part of the Federal MS4 Permit. GPS outfall locations were captured by DC Water, then DC... -
Impervious Surface 2010 recent views
District of Columbia —
The dataset contains basemap features that are typically classified as impervious surface, captured in 2010. Some examples of Impervious Surfaces include: Airport... -
Watersheds recent views
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... -
Waterbodies 2015 recent views
District of Columbia —
Water. The dataset contains polygons representing planimetric waterbodies, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the... -
Waterbodies 2017 recent views
District of Columbia —
Water. The dataset contains polygons representing planimetric waterbodies, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the... -
Chesapeake Bay Watersheds recent views
District of Columbia —
The dataset contains locations and attributes of HUC-11 watersheds. The USGS presents a detailed explanation of HUCs at https://water.usgs.gov/GIS/huc.html. HUC-11...