Question

why does companies dump untreated wastewater in the water bodies instead of setting a waste water treatment plant and treat the water before dumping it?​

Answer 1

Answer:

Sewage water contains harmful substances. ... So, when sewage is discharged untreated into rivers or seas, it becomes dangerous for aquatic plants and animals. Therefore, it is necessary to treat sewage before disposing it off in a water body as it can cause harm to human and aquatic life.