Question

LAQ : Write about the sources and nature of pollutants in water

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Answer

Sources of Water Pollutants Nature of Water Pollutants
Domestic sewage and waste Organic and inorganic matter, pathogenic microorganisms, nutrients such as nitrogen and phosphorus
Industrial effluents Toxic chemicals, heavy metals, oil and grease, acids and alkalis
Agricultural runoff Pesticides, fertilizers, animal waste, sediments
Landfills and garbage dumps Leachates containing organic and inorganic pollutants
Oil spills Petroleum products, toxic chemicals
Atmospheric deposition Acid rain, toxic chemicals

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