Water Pollution Brilliant guided essay on pollution to our water
Polluted water is water whose quality has been reduced by the addition of substances such as chemical effluents, metal residues, oil, and sewage. Characteristics of Water Pollution The primary water-pollution problem in the world today is the lack of clean, disease-free drinking water. Water for domestic use needs to be free from harmful chemicals such as pesticides, and disease-causing organisms such as bacteria and viruses. ... In heavily industrialized regions of the world chemical pollution tends to be the greatest problem, whereas in developing countries the provision of disease-free drinking water is a major problem in many areas. Water pollution has many causes. ... These dissolve in ground water, or seep down through the ground into underground water sources. In the United States, scientists estimate that over three-quarters of the waste-disposal sites in the country may be producing hazardous chemicals that find their way into water sources.