Two soil associations exist in the Ithan Creek watershed. The Neshaminy-Lehigh-Glenlg soil association is present in a small part of the watershed. It consists of silty, well drained, gravelly, and deep soil that rests on gabbro and granodiorite bedrock.
Two distinct soil types exist within the Ithan Creek watershed. The Neshaminy-Lehigh-Glenlg type is limited to a small portion of the area. It comprises a combination of silty, well-drained, gravelly, and deep soil that rests on gabbro and granodiorite bedrock.