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Bridge and Tunnel Entrances 2013
Bridges and Tunnel Entrances. The dataset contains polygons representing planimetric Roads, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office... -
Bridge and Tunnel Entrances 2017
Bridge and Tunnel Entrance. The dataset contains polygons representing planimetric bridge and tunnel entrances, created as part of the DC Geographic Information System (DC GIS)... -
Topography 20 Foot Contours - 2008
20 foot contours (2008). This dataset contains locations and attributes of 20-ft interval topography data, created as part of the DC Geographic Information System (DC GIS) for... -
Bridge and Tunnel Entrances 1999
Bridges, overpasses, tunnel entrances, and underpasses captured in 1999. This dataset was collected as part of the planimetric mapping project. Hidden features were added as... -
Service Roads 1999
Service road centerlines captured in 1999. Contract NCPC 93-02. This document describes the planimetric map production for the 350 tiles located in Washington DC and the... -
Hidden Roads 1999
Hidden roads captured in 1999. This is a new dataset that was not collected as part of the planimetric mapping project. It was created to enhance existing information. -
Public Lands
Where are government public lands in the District of Columbia? Government property is sometimes gifted by private entities, acquired, developed, and transferred in title or... -
Built Environment Indicators
This data layer provides a comprehensive set of indicators related to the built environment and their impact on health outcomes across the District of Columbia. It encompasses... -
Report on Air Quality Trends in the District of Columbia
The District of Columbia has greatly improved its air quality over the recent decades.In the 1960s, the District established one of the nation's first ambient air monitoring... -
DC Compass AI Values Alignment Report
Through DC Compass, residents can ask questions verbally or in writing, in the language with which they are most comfortable, and get faster and better cited answers than a... -
Licensed Medical Cannabis Retailers
A medical cannabis retailer is a licensed establishment that may possess and dispense medical cannabis and paraphernalia to licensed patients and caregivers. The medical... -
Roads 2013
Road. The dataset contains polygons representing planimetric Roads, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief Technology... -
Roads 2010
Road. The dataset contains polygons representing planimetric roads, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief Technology... -
911 Performance Dashboard Beta
The District’s 911 call center is one of the busiest in the country, historically ranking as the 4th busiest center behind those of New York City, Chicago, and Los Angeles. The... -
Compass Transparency
DC Compass uses new Generative AI technology integrated with Geographic Information Systems (GIS) to provide easy ways to explore data. -
Computer Assisted Mass Appraisal - Condominium
Data source is the Office of Tax and Revenue’s Computer-Assisted Mass Appraisal (CAMA) system. The CAMA system is used by the Assessment Division (AD) within the Real Property... -
Computer Assisted Mass Appraisal - Commercial
Data source is the Office of Tax and Revenue’s Computer-Assisted Mass Appraisal (CAMA) system. The CAMA system is used by the Assessment Division (AD) within the Real Property... -
Computer Assisted Mass Appraisal - Residential
Data source is the Office of Tax and Revenue’s Computer-Assisted Mass Appraisal (CAMA) system. The CAMA system is used by the Assessment Division (AD) within the Real Property... -
Air Quality Clarity Node Sensors
This dataset is made up of hourly measurements of PM2.5 and PM10, and meteorological measurements, collected through DOEE’s Clarity Node network in the District of Columbia. The... -
Best Management Practices
Best Management Practices (BMPs) are structural controls used to manage stormwater runoff. Examples include green roofs, rain gardens, and cisterns. BMPs reduce the effects of...
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