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Chemical Data Release (CDR) Consumer and Commercial Uses, 2012
This layer displays points of consumer and commercial uses extracted from the 2012 Chemical Data Reporting (CDR) database. The CDR database contains comprehensive use and... -
National Capital Region Network Biological Stream Survey Macroinvertebrate Data
Macroinvertebrate and water chemistry data collected as part of the NCRN Biological Stream Monitoring Proocol. All data were collected during the Spring sampling season. In... -
National Capital Region Network Biological Stream Survey Stream Habitat Data
Physical habitat data collected at streams in the National Capital Region of the National Park Service. Data include attributes about the habitat within the stream as well as... -
National Capital Region Network Biological Stream Survey Macroinvertebrate Data
Macroinvertebrate and water chemistry data collected as part of the NCRN Biological Stream Monitoring Proocol. All data were collected during the Spring sampling season. In... -
National Capital Region Network Biological Stream Survey Stream Habitat Data
Physical habitat data collected at streams in the National Capital Region of the National Park Service. Data include attributes about the habitat within the stream as well as... -
Chemical Data Release (CDR) Consumer Uses, 2012
This layer displays points of consumer uses extracted from the 2012 Chemical Data Reporting (CDR) database. The CDR database contains comprehensive use and exposure information... -
Neighborhoods, US, 2017, Zillow, SEGS
This web service depicts nearly 17,000 neighborhood boundaries in over 650 U.S. cities. Zillow created the neighborhood boundaries and is sharing them with the public under a... -
Walkability Index
The Walkability Index dataset characterizes every Census 2019 block group in the U.S. based on its relative walkability. Walkability depends upon characteristics of the built... -
EPA Facilities and Regional Boundaries Service, US, 2012, US EPA, SEGS
This SEGS web service contains EPA facilities, EPA facilities labels, small- and large-scale versions of EPA region boundaries, and EPA region boundaries extended to the 200nm... -
Chemical Data Release (CDR) Industrial Uses, 2012
This layer displays points of industrial uses extracted from the 2012 Chemical Data Reporting (CDR) database. The CDR database contains comprehensive use and exposure... -
Locations of Combined Sewer Overflow Outfalls - US EPA Region 3
This data layer identifies the locations of Combined sewer overflow outfalls. Combined sewer systems are sewers that are designed to collect rainwater runoff, domestic sewage,... -
DC COVID-19 Department of Youth Rehabilitation Services
On March 2, 2022 DC Health announced the District’s new COVID-19 Community Level key metrics and reporting. COVID-19 cases are now reported on a weekly basis. District of... -
Hydrography Lines 2015
Hydrography lines. The dataset contains polygons representing planimetric hydrography, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of... -
Urban Tree Canopy by 2006 Landuse
Polygons of Urban Tree Canopy in Washington, DC in 2015. These data represent detailed urban tree canopy cover in Washington, D.C. The data were derived using remote sensing... -
Moving Violations Issued in May 2017
Moving citation locations in the District of Columbia. The data contained in this layer pertain to moving violations issued by the District of Columbia's Metropolitan Police... -
Moving Violations Issued in April 2010
Moving citation locations in the District of Columbia. The data contained in this layer pertain to moving violations issued by the District of Columbia's Metropolitan Police... -
Census Tracts in 1950
Census Year 1950 Census Tracts. The dataset contains polygons representing CY 1950 census tracts, created as part of the D.C. Geographic Information System (DC GIS) for the D.C.... -
LiDAR - Normalized Digital Surface Model - Tiles
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 dataset... -
Speed Detector
Speed detector locations. The dataset contains locations and attributes of Speed detector, created as part of the District of Columbia, Department of Transportation (DDOT)... -
Roadway SubBlock
SubBlock represent the near-full extent of our centerline network (only driveways are excluded). SubBlock is the finest grained, 'base' segments from which all other...