A fluid containment apparatus (10, 110, 220, 280), comprising: a floor (12, 112, 222, 282) having an outer surface (12B, 112B, 222B) that extends to an outer perimeter; a side wall (14, 114, 224) that extends upward from the outer perimeter of the floor (12, 112, 222, 282) to at least partially define a containment area for fluid, the side wall (14, 114, 224) having an outer surface (14A, 114A, 224A); a wall support (20, 120, 180, 250) that supports the side wall (14, 114, 224), the wall support comprising a first support arm having a pivot end and a laterally compressible first retention ear (34, 134, 194, 264) and a second support arm pivotally secured to the pivot end of the first support arm, the second support arm being pivotably moveable between a first position proximate to the first support arm to a second position where the second support arm is at an angle relative to the first support arm; a floor receptacle (15, 115, 225, 285) disposed on the outer surface (12B, 112B, 222B) of the floor (12, 112, 222, 282) and a side wall receptacle (17, 117, 227) disposed on the outer surface (14A, 114A, 224A) of the side wall (14, 114, 224) with the side wall receptacle (17, 117, 227) being aligned with the floor receptacle (15, 115, 225, 285); and the second support arm (50, 150, 210) of the wall support (20, 120, 180, 250) insertable into the side wall receptacle (17, 117, 227) and the first support arm (30, 130, 260) of the wall support (20, 120, 180, 250) insertable into the floor receptacle (15, 115, 225) with the first retention ear (34, 134, 194, 264) of the first support arm (30, 130, 260) of the wall support (20, 120, 180, 250) holding the first support arm (30, 130, 260) of the wall support (20, 120, 180, 250) within the floor receptacle (15, 115, 225, 285). a floor (12, 112, 222, 282) having an outer surface (12B, 112B, 222B) that extends to an outer perimeter; a side wall (14, 114, 224) that extends upward from the outer perimeter of the floor (12, 112, 222, 282) to at least partially define a containment area for fluid, the side wall (14, 114, 224) having an outer surface (14A, 114A, 224A); a wall support (20, 120, 180, 250) that supports the side wall (14, 114, 224), the wall support comprising a first support arm having a pivot end and a laterally compressible first retention ear (34, 134, 194, 264) and a second support arm pivotally secured to the pivot end of the first support arm, the second support arm being pivotably moveable between a first position proximate to the first support arm to a second position where the second support arm is at an angle relative to the first support arm; a floor receptacle (15, 115, 225, 285) disposed on the outer surface (12B, 112B, 222B) of the floor (12, 112, 222, 282) and a side wall receptacle (17, 117, 227) disposed on the outer surface (14A, 114A, 224A) of the side wall (14, 114, 224) with the side wall receptacle (17, 117, 227) being aligned with the floor receptacle (15, 115, 225, 285); and the second support arm (50, 150, 210) of the wall support (20, 120, 180, 250) insertable into the side wall receptacle (17, 117, 227) and the first support arm (30, 130, 260) of the wall support (20, 120, 180, 250) insertable into the floor receptacle (15, 115, 225) with the first retention ear (34, 134, 194, 264) of the first support arm (30, 130, 260) of the wall support (20, 120, 180, 250) holding the first support arm (30, 130, 260) of the wall support (20, 120, 180, 250) within the floor receptacle (15, 115, 225, 285).