The Durand soils are the closest associates. Others are the Argyle and Pecatonica soils. All these soils have thicker layers formed in loess. Westville soils are the Typic Hapludalf member of the biosequence. They formed in materials similar to those of the Winnebago soils.
Permeability is moderate.
Mainly used for growing cultivated crops and pasture. Native vegetation was prairie grass. The extent is small. Green County, Wisconsin, 1969.