"WATER POLLUTION"
Water pollution is major problem of our society.Water pollution is the contamination of water bodies, usually as a result of human activities. Water bodies include for example lakes, rivers, oceans, aquifers and groundwater. Water pollution results when contaminants are introduced into the natural environment.water pollution creates the disease
"CAUSES OF WATER POLLUTION "
Human sewage or cattle excrement that is untreated also causes water pollution in the same way as fertilisers do. Human sewage also contains germs that cause diseases such as hepatitis and cholera.And the leakage of drainage system is big cause of water pollution. The natural chemicals can cause a pollution problem similar to that caused by fertilisers.