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Find a Commonwealth ResourceArlington County - GIS Portal
The Stormwater Junctions dataset contains point features representing structural nodes within the Arlington County, Virginia stormwater infrastructure network. These junctions typically include manholes, inlets, and…
Updated Nov 2, 2026
Arlington County - GIS Portal
The Stormwater Mains dataset contains polyline features representing the primary conveyance components of Arlington County, Virginia ’ s stormwater infrastructure system. These features include underground pipes,…
Updated Nov 2, 2026
Fairfax County
This polygon dataset represents impervious surface in Fairfax County. This dataset also includes areas that drain to Fairfax County. This includes portions of City of Fairfax, City of Alexandria, Falls Church, Arlington…
Updated Oct 8, 2026
Virginia Beach
The MS4 connection points and drainage areas are intended to cordinate spills between the city of Virginia Beach and MS4 permittees within the city. The points were created in 2020. The connection points were placed at…
Updated Nov 1, 2026
Virginia Beach
The MS4 connection points drainage areas are the drainage areas for MS4 connection points. They were based on the true drainage area leading to the MS4 connection point, ignoring the permittee boundary. They are a…
Updated Nov 1, 2026
Fairfax County
This data represents detailed tree canopy cover in Fairfax County, Virginia. The data was derived from the 2021 Land Cover raster dataset which used remote sensing technologies on aerial imagery from the National…
Updated Oct 8, 2026
Fairfax County
This data represents detailed tree canopy cover in Fairfax County, Virginia. The data was derived from the 2021 Land Cover raster dataset which used remote sensing technologies on aerial imagery from the National…
Updated Oct 8, 2026
Fairfax County
Navigating the USGS floodplain study reports to confirm WSELs and discharges: Navigate to the location in ArcMap/ArcGIS Pro where you are interested in discharges or Waster Surface Elevations (WSELs) At that location,…
Updated Oct 8, 2026
Fairfax County
This polygon dataset is composed of subsets from Fairfax County’s current soil inventory, recorded floodplain, and Resource Protection Area (RPAs) layers. Layer subsets are identified using the Virginia Department of…
Updated Oct 8, 2026
