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Find a Commonwealth ResourceVirginia 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
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
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.
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 designated as stockable or natural trout waters within the Virginia state boundary. See…
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 (2018). Attributes assigned to each…
Updated Nov 4, 2026
Virginia Department of Environmental Quality
This is a reference dataset for the Virginia Water Quality Standards for the tidal waters, represented as polygons, within the Virginia state boundary. See section 9VAC-25-260 of the Virginia Administrative Code for…
Updated Nov 4, 2026
