a series of drain lines that allow the effluent from the septic tank to drain over a large area of ground

Porous soil area, through which septic tank leach lines run, emptying the treated waste

another name for drain field.

See lateral, lateral field.

A method used to treat/dispose of sewage in rural areas not accessible to a municipal sewer system. Sewage is permitted to be filtered and eventually discharged into a section of the lot called a leech field.

Term often used to describe either a leach bed or leach trenches.