A toilet system comprising an ultra-low flush toilet, the toilet having a cistern, a bowl including a rim comprising a channel adapted to receive water from the cistern or a flushing device upon flushing of the toilet, the channel having a plurality of apertures therein through which water entering the channel from the cistern or the flushing device flows into the bowl, and wherein a greater concentration of the apertures per unit length of the rim is provided in an area of the rim positioned over a region of the bowl that requires additional water for cleaning, the toilet further comprising a toilet outlet through which waste material is discharged from the toilet, a waste material collection vessel in fluid communication with the toilet outlet via a toilet outlet conduit, the waste material collection vessel having a collection portion adapted to collect at least a portion of the waste material discharged from the toilet and a discharge portion through which at least a portion of the waste material in the collection portion is periodically discharged into a waste material disposal vessel, wherein the quantity of the waste material discharged from the discharge portion is sufficient to ensure that substantially all of the quantity of the waste material discharged enters the waste material disposal vessel.