Datasets

Arlington County - GIS Portal

Zoning Polygons

Virginia Department of Environmental Quality

All Steams / Rivers

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…

Virginia Department of Environmental Quality

All Lakes / Reservoirs

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…

Virginia Department of Environmental Quality

Trout Lakes / Reservoirs

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…

Virginia Department of Environmental Quality

Tidal Flow Paths WQS

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…

Virginia Department of Environmental Quality

Water Quality Monitoring Plan Stations (Current)

Water quality monitoring stations and parameters to be sampled during the calendar year. View Data Fact Sheet

Virginia Department of Environmental Quality

Rivers (2016 Final WQA IR Assessment)

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…

Virginia Department of Environmental Quality

Reservoirs (2016 Final WQA IR Assessement)

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…

Virginia Department of Environmental Quality

Estuaries (2016 Final WQA IR Assessment)

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…

Virginia Department of Environmental Quality

2016 Final WQA Monitoring Stations

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…

Virginia Department of Environmental Quality

Estuaries (2018 Final WQA IR Assessment)

All estuarine waters identified in the 2018 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…

Virginia Department of Environmental Quality

Rivers (2018 Final WQA IR Assessment)

All rivers and streams identified in the 2018 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…

Virginia Department of Environmental Quality

Reservoirs (2018 Final WQA IR Assessment)

All reservoirs and lakes identified in the 2018 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…

Virginia Department of Environmental Quality

Rivers (2020 Final WQA IR Assessment)

Polyline layer of freshwater riverine features within Virginia included in the 2020 305(b)/303(d) Integrated Report Click Here to view Data Fact Sheet.

Virginia Department of Environmental Quality

Reservoirs (2020 Final WQA IR Assessment)

Polygon layer of lakes and reservoirs within Virginia included in the 2020 305(b)/303(d) Integrated Report Click Here to view Data Fact Sheet.

Virginia Department of Environmental Quality

Estuaries (2020 Final WQA IR Assessment)

Polygon layer of estuarine and saltwater features within Virginia's territorial limit included in the 2020 305(b)/303(d) Integrated Report Click Here to view Data Fact Sheet.

Virginia Department of Environmental Quality

Rivers (2022 Final WQA IR Assessment)

Polyline layer of freshwater riverine features within Virginia included in the final 2022 305(b)/303(d) Integrated Report. Click Here to view Data Fact Sheet.

Virginia Department of Environmental Quality

Reservoirs (2022 Final WQA IR Assessment)

Polygon layer of lakes and reservoirs within Virginia included in the final 2022 305(b)/303(d) Integrated Report. Click Here to view Data Fact Sheet.

Virginia Department of Environmental Quality

Estuaries (2022 Final WQA IR Assessment)

Polygon layer of estuarine and saltwater features within Virginia's territorial limit included in the final 2022 305(b)/303(d) Integrated Report. Click Here to view Data Fact Sheet.

Virginia Department of Environmental Quality

2022 Final WQA Monitoring Stations

Point layer of water quality monitoring stations included in the final 2022 305(b)/303(d) Integrated Report. Click Here to view Data Fact Sheet.