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Effects of water pollution are

 Consuming of polluted water can cause

many diseases such as typhoid,
cholera, dysentery etc.

 Harms the aquatic life.
 Affects the ecosystem.

It can be controlled by

 Treating of waste from factories and

industries before releasing them into

water bodies.
 Treatment of domestic waste.

 Less use of pesticides and fertilisers.
 Scheduled cleaning of water bodies.