Question

what are the measures taken for wastewater before being released into a river or a lake?

Answer 1

The measures taken for managing wastewater before being released into any water bodies are:
1) Water should be treated before it.
2) The toxic materials should be separated from the water which is being released in any water body.
3) The water should not contain any harmful chemical because it is often used by peoples of the locality.

Answer 2

1) the water should be checked properly that it should be not so harmful.
2) it should be leaves at River where people don't use there's water for any purpose.
3) the water should be leaves in some limit.