Question

for what purposes can waste water be easily reused​

Answer 1

Once treated sufficiently, wastewater can be used similar as rainwater or greywater, for purposes such as gardening and urban farming, toilet flushing, etc. (see “Direct reuse” above).

Answer 2

Answer:

Once treated sufficiently, wastewater can be used similar as rainwater or greywater, for purposes such as gardening and urban farming, toilet flushing, etc. (see “Direct reuse” above).

Organic waste, such as kitchen waste and toilet waste, can be reused for energy production (biogas) or for compost or soil amendments.