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Community Rating System Special Flood Hazard Areas
District of Columbia —
The Community Rating System (CRS) is a voluntary incentive program that recognizes and encourages community floodplain management practices that exceed the minimum... -
SRCs Reduce Stormwater Runoff with Green Infrastructure
District of Columbia —
The Stormwater Retention Credit (SRC) Trading Program helps to leverage private investment in GI. SRCs, which are generated by GI or by removing impervious surfaces,... -
Floodplains from 2010
District of Columbia —
Insurance applications include enforcement of the mandatory purchase requirement of the Flood Disaster Protection Act, which ... requires the purchase of flood... -
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... -
Floodplains
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... -
Floodplains from 2016
District of Columbia —
Insurance applications include enforcement of the mandatory purchase requirement of the Flood Disaster Protection Act, which ... requires the purchase of flood... -
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... -
DC Water Material
District of Columbia —
This dataset is host to DC Water's information about Pipe Materials. The dataset is updated when updates are made available. The information provided is limited to the... -
Storm Drain Marker Installations
District of Columbia —
Storm Drain Marker Installations is a data layer showing where storm drain markers were installed on storm sewer catchments. Markers indicate that the sewer catchments... -
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... -
Hydrography Lines 2019
District of Columbia —
Hydrography lines. The dataset contains polylines representing planimetric hydrography, created as part of the DC Geographic Information System (DC GIS) for the D.C.... -
Hydrography Lines 2017
District of Columbia —
Hydrography lines. The dataset contains polylines representing planimetric hydrography, created as part of the DC Geographic Information System (DC GIS) for the D.C.... -
MS4 Sewer Shed
District of Columbia —
The dataset contains locations and attributes of the drainage areas of MS4 outfalls. -
Floodplains from 1985
District of Columbia —
Insurance applications include enforcement of the mandatory purchase requirement of the Flood Disaster Protection Act, which requires the purchase of flood insurance... -
Green Infrastructure Practices in the District
District of Columbia —
You can use this page to explore Green Infrastructure (GI) practices throughout the District of Columbia. Use the filters to search for GI installed through specific... -
MS4 Storm Sewer Outfalls
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...