The Hempstead series consists of very deep, well drained soils on outwash plains. They are nearly level or gently sloping soils formed in a silty mantle overlying stratified sand and gravel outwash materials.
Permeability is moderate in the solum and very rapid in the substratum.
Mean annual temperature is 52 degrees F and mean annual precipitation is 42 inches. Hempstead silt loam, grassed area. The solum thickness ranges from 20 to 40 inches and corresponds to the depth to stratified sand and gravel. Depth to bedrock is greater than 60 inches and is mainly several hundred feet. Rock fragment content ranges from 0 to 5 percent in the A and Bw horizons, and from 25 to 75 percent in the 2BC and 2C horizons.