Watershed Boundary Dataset, 8-Digit Hydrologic Units

The 8-Digit Hydrologic Units, a component of the Watershed Boundary Dataset (WBD), depict the fourth level hydrologic subdivision of the United States. A hydrologic unit can accept surface water from upstream drainage areas and may define a drainage area with … Continued

Watershed Boundary Dataset, 10-Digit Hydrologic Units

The 10-Digit Hydrologic Units, a component of the Watershed Boundary Dataset (WBD), depict the fifth level hydrologic subdivision of the United States. A hydrologic unit can accept surface water from upstream drainage areas and may define a drainage area with … Continued

Watershed Boundary Dataset, 12-Digit Hydrologic Units

The 12-Digit Hydrologic Units, a component of the Watershed Boundary Dataset (WBD), depict the sixth level hydrologic subdivision of the United States. A hydrologic unit can accept surface water from upstream drainage areas and may define a drainage area with … Continued

Surface Texture (Dominant Component)

Surface Texture is based on the composition of sand, silt, and clay in the surface layer of soil based on the standard soil triangle definition.

Forest Productivity

Forest Productivity is a measure of wood volume likely to be produced by the most important tree species based on soil characteristics.

Hydrologic Soil Group (Dominant Condition)

Hydrologic Soil Group, which estimates potential runoff from precipitation based on soils characteristics, has been updated to the October 2019 NRCS SSURGO data release.

Farmland Class

Farmland Class, which shows prime and important farmland, has been updated to the October 2019 NRCS SSURGO data release.