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Find a Commonwealth ResourceVirginia Department of Environmental Quality
This dataset depicts TMDL watershed boundaries. A TMDL watershed is the area covered by a TMDL equation. It consists of one or more impaired streams that have an assigned Cause Group Code (CGC). The CGC is the link…
Updated Nov 4, 2026
Virginia Department of Environmental Quality
DEQ Pollution Response Program (PREP), provides for responses to air, water, and waste pollution incidents in order to protect human health and the environment. This layer provides a detailed description of multimedia…
Updated Nov 4, 2026
Virginia Department of Environmental Quality
Location information for Voluntary Remediation Program (VRP) sites. Click Here to view Data Fact Sheet. This dataset is updated daily. Note that the 'date modified' metadata is not reflective of these daily row-level…
Updated Nov 4, 2026
Virginia Department of Environmental Quality
The Virginia DEQ Solid Waste Program provides various customer services to the Virginia community and other interested parties graphical information for Solid Waste Facilities. DEQ's solid waste program encourages the…
Updated Nov 4, 2026
Virginia Department of Environmental Quality
The Virginia DEQ Petroleum Storage Tank Program provides various customer services to the Virginia community and other interested parties graphical information for petroleum release sites. Leaks and/or spills of…
Updated Nov 4, 2026
Virginia Department of Environmental Quality
Point layer displaying locations of Non-NPL (National Priority List) Federal Facilities (with the exception of NASA Langley which is NPL, but not currently tracked individually in EPA's NPL Superfund list). Click Here…
Updated Nov 4, 2026
Virginia Department of Environmental Quality
Carbon Filtration Unit (CFUs) Installed on potable water supplies that are impacted by leaking petroleum storage tanks. This dataset is updated on a daily basis. Note that the 'date modified' metadata is not reflective…
Updated Nov 4, 2026
Fairfax County
Per Chapter 118 requirements, a countywide map of perennial streams and waterbodies to be used for regulatory purposes was developed through field surveys conducted in 2002-2003. For more information, please…
Updated Oct 8, 2026
Virginia Department of Environmental Quality
This dataset is a non‑spatial table that reports the total annual emissions submitted by permitted air facilities across Virginia for the current reporting year. Each record represents a facility’s aggregated emissions,…
Updated Nov 4, 2026
Fairfax County
The map displays the general locations of RPA boundaries for planning purposes and the actual limits may be further refined by site-specific field studies conducted at the time a site-related plan is submitted to…
Updated Oct 8, 2026
Virginia Department of Environmental Quality
Location of active air aites/facilities throughout Virginia. This layer represents all active VA DEQ permitted air facilities within Virginia. The Active Air Sites (daily) data layer is governed and managed by the Air…
Updated Nov 4, 2026
Fairfax County
This point dataset contains Capital Improvement Program projects managed by the Department of Management and Budget. Project categories include: court facilities, government facilities and programs, health and human…
Updated Oct 8, 2026
Fairfax County
Sidewalk centerlines contain the centerline of sidewalks and crosswalks. The original data capture of the data in this layer was completed in 2014 using stereo models from the 2009 Virginia State imagery. Subsequent to…
Updated Oct 8, 2026
Fairfax County
Major transportation contains the primary road polygons and bridges in Fairfax County. The original data in this layer was captured during the 1997 data conversion effort for Fairfax County. After that an update capture…
Updated Oct 8, 2026
Fairfax County
Recreational features contains the areas of features that are used for recreation as well as potentially being impervious surfaces. The original data capture of the data in this layer was completed in 2014 using stereo…
Updated Oct 8, 2026
Fairfax County
Minor transportation contains the non-primary road polygons in Fairfax County. The original data in this layer was captured during the 1997 data conversion effort for Fairfax County. After that an update capture was…
Updated Oct 8, 2026
Fairfax County
This layer contains the boundary of the airports as well as the runways and taxiways on the airport facilities in and near Fairfax County. The original data in this layer was captured during the 1997 data conversion…
Updated Oct 8, 2026
Fairfax County
Geographic boundary, portraying extent and limits of the jurisdiction recognized as Fairfax County, Commonwealth of Virginia. Defined in part by both physical features (Potomac and Occoquan Rivers), and monumented legal…
Updated Oct 8, 2026
Datathon 2025
The purpose of this website is to provide general information. All map layers and data on this site are for general reference only. The completeness, timeliness and availability of data are not immediately updated and…
Updated Oct 17, 2026
Arlington County - GIS Portal
Boundaries of the Arlington Business Improvement Service Districts as adopted by the Arlington County Board. These areas were established to provide a range of services, events, and activities that promote and enhance…
Updated Nov 2, 2026
