Why is it forbidden to drain used water into reservoirs?

Firstly, this is done in order not to pollute the environment and clean water.
Secondly, it keeps underwater creatures alive.



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.