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Water Pollution

Water Pollution

01/31/2017 03:34 PM EST

Source: National Institute of Environmental Health Sciences
Related MedlinePlus Page: Water Pollution
Water pollution is any contamination of water with chemicals or other foreign substances that are detrimental to human, plant, or animal health. These pollutants include fertilizers and pesticides from agricultural runoff; sewage and food processing waste; lead, mercury, and other heavy metals; chemical wastes from industrial discharges; and chemical contamination from hazardous waste sites. Worldwide, nearly 2 billion people drink contaminated water that could be harmful to their health.
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