What’s graywater in our life?

Graywater is also named as grey water,gray water,graywater,or sullage,but they are all same meaning.

Graywater is all wastewater generated in households or office buildings from streams without fecal contamination,such as all streams except for the waste water from toilets.Sources of greywater include,,clothes washing machines,baths,showers, sinks or dish washers.as we known greywater contains fewer pathogens than domestic wastewater, it is generally safer to handle and easier to treat and reuse on place for landscape,crop irrigation or toilet flushing,and other non-potable uses.