A toilet includes a bowl including a supply water plenum providing the water to the basin, a primary drain fluidly connecting and terminating at a drain passage and a secondary drain fluidly connecting the supply water plenum to the sewer drainage pipe. The secondary drain is separate from the primary drain and includes at least one secondary drain inlet that is disposed within the supply water plenum, a second drain channel, and a second drain outlet. The inlet permits rising waste water to flow from the supply water plenum into the second drain channel and out of the second drain outlet to the sewer drainage pipe separately from the waste water of the primary drain. The supply water plenum also includes a diverting wall located upstream of the secondary drain inlet configured to divert water flowing from upstream from flowing into the inlet.