Question

how can water pollution be prevented ​

Answer 1

Answer:

Don't throw paints, oils or other forms of litter down the drain. Use environmentally household products, such as washing powder, household cleaning agents and toiletries. Take great care not to overuse pesticides and fertilisers. This will prevent runoffs of the material into nearby water sources

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Answer 2

Answer:

$\underline\mathbf \purple{water\: pollution}$

The unwanted and harmful substances which make the water impure are called water pollution.

$\red{source \: of \: water \: pollution}$

• Use fertilizers in agriculture causes water pollution.
• Use pesticides in agriculture causes water pollution.
• Dumping of untreated sewage into rivers causes water pollution.
• Discharging of untreated industrial waste into rivers causes water pollution.

$\red{harmful \: effects}$

• water pollution can cause diseases such as cholera, typhoid, etc.
• water of rivers and lakes polluted with fertilizers can cause the death of aquatic animals and also damage our health through food chain.

$\mathbf \blue{controlling \: water \: pollution}$

• Garbage should not be thrown into open drains, rivers, lakes or ponds.
• Dead bodies should not be thrown into rivers. dead bodies should be cremated or buried properly to prevent water pollution.
• Farmers should use correct amounts of fertilizers and pesticides in the field.
• All the industries should treat the toxic wastes produced by them suitably to make it harmless before discharging them into rivers.