Loudoun Airport Impact Overlay Districts
Loudoun County
Updated Oct 10, 2026
About this dataset
<p style='margin-top:0in; margin-right:0in; margin-bottom:0in; margin-left:30.25pt; margin-bottom:.0001pt; background:white;'><a href='https://logis.loudoun.gov/metadata/Airport%20impact%20overlay.html' target='_blank' rel='nofollow ugc noopener noreferrer'>More Metadata</a><br /></p><p style='margin-top:0in; margin-right:0in; margin-bottom:0in; margin-left:30.25pt; margin-bottom:.0001pt; background:white;'><br /></p><p style='margin-top:0in; margin-right:0in; margin-bottom:0in; margin-left:30.25pt; margin-bottom:.0001pt; background:white;'>The Airport Impact Overlay District (AIOD) is established to acknowledge the unique land impacts of airports, regulate the siting of noise sensitive uses, ensure that the heights of structures are compatible with airport operations, and complement Federal Aviation Administration regulations regarding noise and height.</p><p style='margin-top:0in; margin-right:0in; margin-bottom:0in; margin-left:30.25pt; margin-bottom:.0001pt; background:white;'><br /></p><p style='margin-top:0in; margin-right:0in; margin-bottom:0in; margin-left:30.25pt; margin-bottom:.0001pt; background:white;'>The Airport Impact Overlay District (AIOD) is a zoning overlay district administered by the Loudoun County Department of Planning and Zoning. The overlay district boundaries are generally based on the Ldn (yearly day-night average sound level) 60 and Ldn 65 aircraft noise contours and a one-mile buffer that extends beyond the Ldn 60 contour for both Washington-Dulles International Airport and the Leesburg Municipal Airport.<br /></p>
Data and resources (6)
- HTML
ArcGIS Hub Dataset
Modified May 10, 2026
- ArcGIS
ArcGIS GeoService
Modified May 10, 2026Map preview available
- CSV
CSV
Modified Aug 25, 2024Table and Data API available
- ZIP
Shapefile
Modified May 10, 2026Map preview available
- GeoJSON
GeoJSON
Modified May 10, 2026Map preview available
- KML
KML
Modified May 10, 2026Map preview available