Can surface owners use soil without compensating subsurface owners? Genesis Aggregates v. Toll Southwest Explained

In Genesis Aggregates v. Toll Southwest, the Utah Supreme Court clarified the rights of surface and subsurface owners when soil is used for on-site development. The case arose from a severed estate where Genesis owned a one-half interest in commercial deposits of sand, gravel, and clay while Toll owned the surface rights and remaining subsurface interest.

Background and Facts

Genesis sued Toll claiming interference with its subsurface rights when Toll excavated soil for a cut-and-fill development project. Genesis alleged Toll removed 54,875 cubic yards of materials from the property and transferred them elsewhere. However, Genesis conceded it lacked evidence that any soil was actually exported from the parcel, with all excavated material remaining on-site as fill.

Key Legal Issues

The court addressed two primary issues: whether Genesis could survive summary judgment on its export claims without affirmative evidence, and whether Toll’s on-site use of soil constituted actionable interference with Genesis’s subsurface rights. The case required analyzing the scope of surface owners’ rights under Utah’s severed estate doctrine.

Court’s Analysis and Holding

Following Stephen Hays Est., Inc. v. Togliatti, the court held that surface owners have “an absolute right” to excavate and use subsurface materials for development, provided they don’t interfere with the subsurface owner’s rights. The court distinguished soil from traditional minerals, noting that soil rights don’t automatically carry the same extraction and removal rights as mineral estates. Crucially, the court found no evidence that Toll’s development prevented Genesis from accessing or using its soil interest.

Practice Implications

This decision reinforces that surface owners retain broad development rights in severed estates. Subsurface owners claiming interference must demonstrate actual harm to their ability to extract materials, not merely theoretical future difficulties. The ruling also emphasizes that soil deposits may not receive the same legal protection as traditional minerals under Utah law.