Last month we addressed abandoning sewage treatment tanks and other pretreatment devices such as ATUs and media filters. This month we turn to properly abandoning the soil treatment area.Often when an onsite system is replaced, the old soil treatment area is left intact. This is an acceptable practice recognized in most state and local codes. If there are inspection ports, or risers over drop or distribution boxes, these should be removed and disposed of. If effluent was surfacing over the area, it can be treated with hydrated lime and allowed to dry, with some topsoil added and vegetation reestablished. In
