Water Pollution: Organic and inorganic industrial wastes and affluent that are dumped into water bodies cause water pollution. Some main factories that cause it are paper. chemical. textile etc. Harmful substances include dyes, acids, fly ash etc.
Industries discharge chemical wastes comprising substances called effluents in rivers, lakes, streams etc. Factories sometimes turn waterways into open sewers by dumping oil, toxic chemicals and other harmful liquids called effluents into them.