An apparatus for diverting wastewater in septic system comprises a top, a side adjoining and extending downwardly from the top, the top and the side form an inner volume and a partially open bottom. The bottom can be fully open. A first opening extends upwardly from the partially open bottom. A second opening, having a perimeter, is also on the side. The apparatus can be placed at outlet end of a trench to receive the trench pipe. The first opening, the open bottom and the inner volume permit the apparatus to be placed over a pipe without adjustments or modifications.