Blackwater vs. Greywater

Blackwaternoun

Water containing loam, tannins, etc., giving it a very dark appearance.

Blackwaternoun

Blackwater fever; malaria caused by Plasmodium falciparum.

Blackwaternoun

Waste from domestic toilets; water containing fecal matter.

Blackwaternoun

any of several human or animal diseases characterized by dark urine resulting from rapid breakdown of red blood cells; - used especially of blackwater fever, a severe form of malaria caused by the blood parasite Plasmodium falciparum.

Blackwaternoun

any of several human or animal diseases characterized by dark urine resulting from rapid breakdown of red blood cells

Greywater

Greywater (or grey water, sullage, also spelled gray water in the United States) refers to domestic wastewater generated in households or office buildings from streams without fecal contamination, i.e., all streams except for the wastewater from toilets. Sources of greywater include sinks, showers, baths, washing machines or dishwashers.