Abstract: A portable sewage collection system comprising a cubicle with a flushing toilet and a sewage processing system. The sewage processing system is arranged to extract liquid effluent with low turbidity, wherein a portion of the liquid effluent is recycled and used as the flush liquid for the flushing toilet. The sewage collection system being powered by compressed air and being particularly suitable for use in remote locations such as underground mines. The cubicle includes a light that can be activated by a switch to provide light within the cubicle and the cubicle also including a deodorising spray to spray a deodorant into the cubicle to provide a pleasant smell.