Question
Describe the nature of water pollution in India.
Solution
When the amount of foreign undesirable substances are added by human to the water beyond itself purifying capacity it gets polluted.
Sources of Water Pollution:
1. Natural sources: Water is polluted by natural agents such as erosion, landslides, decay and decomposition of plants.
2. Human activities: Undesirable activities of human pollute water to a large extent. These include development of industries, urbanisation, agricultural activities and cultural processs.
3. Industries: Several undesirable products such as industrial wastes, waste water, poisonous gases etc. produced by industries mix with water continuously.
Urban sources of water pollution are sewage, municipal and domestic garbages, industrial effluents etc. Yamuna river at Delhi has turned into a sewage drain.
4. Agriculture sources: The changes in agricultural practices after sixties and use of chemical fertilizers, insecticides and pesticides in large quantities. All these are the sources of pollution.
5. Cultural process: Various cultural activities where large number of persons collect at one place cause water pollution. The religious fairs, tourism etc. also cause water pollution.
