Hydrologic Soil Group

Hydrologic soil groups are used to estimate runoff from precipitation. Soils not protected by vegetation are assigned to one of four groups. They are grouped according to the infiltration of water when the soils are thoroughly wet and receive precipitation … Continued

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