Narragansett soils are well drained and have a loamy sand substratum. Poquonock soils are well drained and sandy over loamy. Moderately well drained. Surface runoff is slow to medium. Permeability is moderate in the solum and moderate or moderately rapid in the substratum.
Watchaug soils have a seasonal high water table.
Cleared areas are used mostly for cultivated crops, hay, or pasture. Some areas are used for vegetables, nursery stock, and other specialty crops. Scattered areas are used for community development. Stony areas are mostly wooded. Common trees are red, white, and black oak, red maple, ash, gray birch, white pine, and hemlock.