Loudoun County
This point feature class contains all the identified Loudoun County Park and Ride vehicle lots according to the Loudoun County Office of Transportation and Capital Infrastructure. Update Frequency: As needed
Updated Oct 10, 2026
Datathon 2025
This layer consists of Average Daily Traffic (ADT) volumes with Vehicle Classification Data for most recent years, on Interstate, Arterial and Primary Routes. It also includes a list of each Interstate and Primary…
Updated Oct 17, 2026
Virginia Beach
This dataset has been published by the Fire Department of the City of Virginia Beach and data.virginiabeach.gov. The mission of data.virginiabeach.gov is to provide timely and accurate City information to increase…
Updated Nov 1, 2026
Arlington County - GIS Portal
The Bike Comfort Index is a polyline feature layer maintained by Arlington County's Department of Environmental Services. It contains approximately 6,700 street and trail segments, each scored according to a bicycle…
Updated Nov 2, 2026
Department of Rail and Public Transportation
A portal to connect all things Geospatial from the Virginia Department of Rail and Public Transportation (DRPT)
Updated Oct 21, 2026
Fairfax County
Storage tanks contains the different types of tanks that hold different types of liquids in Fairfax County. The original data capture of the data in this layer was completed in 2013 using stereo models from the 2009…
Updated Oct 8, 2026
Arlington County - GIS Portal
Updated Nov 2, 2026
Datathon 2025
This application provides condition of pavement for VDOT maintained roads only. Pavement condition data is collected on all interstate, primary, and secondary routes. Pavement condition data is collected each year, and…
Updated Oct 17, 2026
Datathon 2025
Truck Routes Designated (STAA) access routes REQUIRED FOR TRAVEL within the state of Virginia by Twin-trailers, Triple Saddlemount combinations, and Automobile and Watercraft Transporters. Restrictions on TRUCKS and…
Updated Oct 17, 2026
Loudoun County
Loudoun County, Virginia - State, County, Towns, and General Election Results - November 4, 2025 Election Results & Finance Reports Loudoun County, VA - Official Website
Updated Oct 10, 2026
Virginia Department of Environmental Quality
This web map provides assessment summary details for waters identified within the draft 2026 305(b)/303(d) Water Quality Assessment Integrated Report. The Assessment Unit (AU) dataset was created from United States…
Updated Nov 4, 2026
Virginia Department of Environmental Quality
This is a reference dataset for the Virginia Water Quality Standards for all free-flowing, freshwater streams, rivers and flowpaths within the Virginia state boundary. See section 9VAC-25-260 of the Virginia…
Updated Nov 4, 2026
Virginia Department of Environmental Quality
This is a reference dataset for the Virginia Water Quality Standards for all lakes and reservoirs within the Virginia state boundary. See section 9VAC-25-260 of the Virginia Administrative Code for specific standards…
Updated Nov 4, 2026
Virginia Department of Environmental Quality
This is a reference dataset for the Virginia Water Quality Standards for all lakes and reservoirs designated as stockable or natural trout waters within the Virginia state boundary. See section 9VAC-25-260 of the…
Updated Nov 4, 2026
Virginia Department of Environmental Quality
This is a reference dataset for the Virginia Water Quality Standards for the tidal flowpaths within the Virginia state boundary. See section 9VAC-25-260 of the Virginia Administrative Code for specific standards…
Updated Nov 4, 2026
Virginia Department of Environmental Quality
Water quality monitoring stations and parameters to be sampled during the calendar year. View Data Fact Sheet
Updated Nov 4, 2026
Virginia Department of Environmental Quality
All rivers and streams identified in the 2016 Virginia 305(b)/303(d) Water Quality Assessment. Line work and attributes should not be altered except by the developer (DEQ). This dataset constitutes the United States…
Updated Nov 4, 2026
Virginia Department of Environmental Quality
All reservoirs and lakes identified in the 2016 Virginia 305(b)/303(d) Water Quality Assessment. Line work and attributes should not be altered except by the developer (DEQ). This dataset constitutes the United States…
Updated Nov 4, 2026
Virginia Department of Environmental Quality
All estuarine waters identified in the 2016 Virginia 305(b)/303(d) Water Quality Assessment. Line work and attributes should not be altered except by the developer (DEQ). This dataset constitutes the United States…
Updated Nov 4, 2026
Virginia Department of Environmental Quality
Sites within Virginia where DEQ or other data providers have collected water column, sediment, fish tissue or benthic macroinvertebrate samples within the given assessment data window (2016). Attributes assigned to each…
Updated Nov 4, 2026