What are the causes of water pollution? Discuss how you can contribute in reducing water pollution.

Explanation

See text for causes of water pollution.
Reduction in water pollution.
(i) Sewage: The authorities can be persuaded not to pass untreated effluents into water body. Dairy owners of city can be prevailed upon not to pass dung of cows and buffaloes into municipal waste water lines especially during monsoon days.
(ii) Garbage. Domestic waste or garbage should not be thrown on the banks of water bodies.
(iii) Industrial effluents. Asking the industrial houses not to release untreated effluents into water body.
(iv) Washing clothes. Washing clothes should be discouraged on the banks of water bodies as detergents are source of entrophication.
(v) Vegetation cover. Grasses, herbs, shrubs, and trees should be planted onthe banks of water bodies. This wil check soil eroson and siltation of water bodies. It may reduce runoff from crop fields. Such runoffs are often laden with fertilizers and toxic pesticides which are potent water pollutants.