What term is used for a location that provides earth fill materials for construction projects?

The term used for a location that provides earth fill materials for construction projects is a borrow area. This is specifically designated land from which soil, sand, gravel, or other earthen materials are excavated and transported to a construction site where they are needed as fill. Borrow areas are crucial in grading and drainage projects, as they ensure that the necessary materials are available to meet design requirements and maintain proper site elevations.

In contrast, a catch basin refers to a type of drainage structure that collects stormwater runoff, helping to prevent flooding and manage surface water. Brush layering involves a landscaping technique used for erosion control and habitat enhancement, while cluster development describes a land use planning approach that groups buildings closer together to preserve open space. Understanding the specific definitions and purposes of these terms helps clarify why a borrow area is the correct answer for sourcing fill materials.