Household waste water from dishwashers, kitchen sinks, and toilets. Blackwater contains detergents and bio-waste that cannot be safely reused in a household or garden without treatment
Waste water from the toilet; sewage. See also Black Tank
Wastewater from toilets and urinals, which contains pathogens that must be neutralized before the water can be safely reused. After neutralization, black water is typically used for non-potable purposes, such as flushing or irrigation.