The soil removed from an excavation is called spoil or spoils.

Quick Scoop

In construction and excavation work, the term spoil refers specifically to the excavated soil, rock, or debris that is taken out of a trench, pit, or foundation.

This spoil is usually stockpiled near the excavation or hauled away, and safety rules often require it to be placed a safe distance back from the edge to prevent cave-ins.

Mini Facts

  • Spoil (or spoils) is the standard term used in safety training and trade glossaries for soil removed from an excavation.
  • The material can include topsoil, clay, rock, and construction debris, not just clean dirt.
  • Clean spoil is often reused as backfill or grading material, while contaminated spoil may need testing, treatment, or special disposal.

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