This is a polygon coverage of Physiographic Divisions in the conterminous United States cropped to the state boundary of Virginia. It was automated from Fenneman's 1:7,000,000-scale map, "Physical Divisions of the United States," which is based on eight major 1946 divisions, 25 provinces, and 86 sections representing distinctive areas having common topography, rock types and structure, and geologic and geomorphic history.

Polygon layer of estuarine and saltwater features within Virginia's territorial limit included in the 2020 305(b)/303(d) Integrated Report

Polygon layer of lakes and reservoirs within Virginia included in the 2020 305(b)/303(d) Integrated Report

Polygon layer showing the boundaries of Virginia Soil and Water Conservation Districts within the Commonwealth of Virginia.

Point layer of water quality monitoring stations included in the 2020 305(b)/303(d) Integrated Report

Polyline layer of freshwater riverine features within Virginia included in the 2020 305(b)/303(d) Integrated Report

Boundary of permitted sites that includes one or more land application fields, and may include setback areas or other areas not authorized for land application of biosolids and/or other residuals.

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 Administrative Code for specific standards descriptions.

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 descriptions.

DEQ Pollution Response Program (PReP), provides for responses to air, water, and waste pollution incidents in order to protect human health and the environment. This layer provides a detailed description of multimedia pollution inspection reports filed through PReP beginning May 29, 2019. These details include, but are not limited to, the location of a pollution incident, the date of an incident, the description of an incident, and the current status of an incident.