"A secure landfill is a carefully engineered depression in the ground into which wastes are put" ("The Basics of Landfills", 2003). Golden Goose May Shoes It is constructed like a huge hole in the ground, liners and leachate collectors are put in place, and then the contents are covered to prevent the leachate from spilling out. The landfill is comparable to a bathtub ("The Basics of Landfills", 2003) where the liners are the walls of the bathtub, and the leachate collector is the drainage pipe. Leachate is the liquid produced when water comes in contact with waste; sort of like a "garbage juice". The hydrogeological setting is also an important consideration in constructing a landfill so that in the event of a leakage, the flow of ground water may be predictable or traceable ("The Basics of Landfills", 2003).