Greywater is the domestic wastewater from all sources except the toilets or sewer. As per the U.S. EPA wastewater sources can include water from:  Laundry Shower/bath  Washing machines  Dishwasher  Kitchen sinks   Figure 1 – Residential Greywater System Although both greywater and blackwater are types of wastewater, the primary difference between greywater and blackwater is...Continue Reading