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3 datasets

Loudoun County

Geology of Loudoun County

The geology of Loudoun County, Virginia, was mapped in 1988 through 1991 under a cooperative agreement between the U.S. Geological Survey (USGS) and the Loudoun County Department of Environmental Resources.This geologic…

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  • ArcGIS

Updated Oct 10, 2026

Loudoun County

Loudoun Limestone Overlay District

More Metadata The Limestone Overlay District (LOD) is a zoning overlay district adopted by the Loudoun County Board of Supervisors on 2/17/2010 and administered by the Loudoun County Department of Building and…

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  • ArcGIS
  • CSV
  • ZIP
  • GeoJSON

Updated Oct 10, 2026

Loudoun County

Loudoun Geologic Fault

More Metadata "Fault" is one of four layers which collectively describe the subsurface geologic formation, structural geology and surficial deposits. "Fault" is the comprehensive mapping of geologic…

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  • ArcGIS
  • CSV
  • ZIP
  • GeoJSON

Updated Oct 10, 2026

Prototype by Datopian · not an official government website · data from data.virginia.gov