Grey water refers to such water, that includes the clean waste of sinks, dishwashers and other such equipments. The use of greywater requires separate plumbing.
What are the areas where separate plumbing is required?
Greywater refers to such water, which includes the waste of washed utensils, handwash sinks and washing machines. This water is to be treated separately.
Separate plumbing helps in the greywater not getting mixed with the consumable and otherwise non-contaminated water, and thus ensures that sanitation is not compromised to a greater level.
An image illustrating the system on how the greywater's separate plumbing is recycled with is also attached below for reference.
Hence, option C; separate plumbing is an effective method, which can be applied for treating the greywater separately.
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