2. What is water pollution?
• Water pollution is the phenomenon of water areas such as rivers, lakes,
sea, underground water ... being contaminated by human activities such
as substances contained in pesticides and industrial wastes are not yet
Handling, ... all can harm humans and the life of organisms in nature.
3. Source of water pollution
• Polluted water is caused by vegetation cover
occurring mainly in freshwater areas and coastal
areas and enclosed seas. Due to excess mineral
salts and organic matter content, the populations
of organisms in the water cannot be assimilated.
As a result, the oxygen content in the water
abruptly decreases, the toxic gases increase,
increase the turbidity of the water, causing
degradation of the water body.
4. Harmful water pollution
• The general consequence of water pollution is
the rate of people suffering from acute and
chronic diseases related to water pollution
such as conjunctivitis, diarrhea, cancer….
People living around polluted areas are getting
more and more suspected of using dirty water
in every activity. In addition, water pollution
also causes great losses to the production and
business sectors and aquaculture households.
