The Clarence and Mokena soils are somewhat poorly drained and are on higher elevations or more sloping areas or both. Clarence soils are in a drainage sequence with Rowe soils. The Monee soils have E horizons. The Rantoul soils are very poorly drained and normally are on nearly level to depressional areas. Poorly drained and very poorly drained.
Surface runoff is slow or ponded.
Permeability is very slow. Most areas are used for cropland. Principal crops are corn and soybeans, and other crops which include small grain and meadow. Native vegetation was marsh grasses and sedges. Extent is moderate.