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With new urbanization and industrialization, heavy metal (HM) pollution has become a prime worry for the present society. Heavy metals are the metals that have high atomic weight, density, and numbers as compared to water. Many people are not aware of heavy metal toxicity in water. Heavy metal contamination is a cause of many serious health threats. The presence of heavy metals can't be seen with unaided eyes and can be only recognized by a water test. The heavy metals are moderate toxic substances to your wellbeing as they didn't have any prompt impacts in your body. These heavy metals enter the water bodies and to the environment through weathering of soil and rocks, from volcanic eruptions, and from an assortment of human exercises including the mining, handling, or utilization of metals as well as substances that contain metal toxicants. The Common heavy metal pollutants are arsenic, cadmium, chromium, copper, nickel, lead, and mercury. These heavy metals cannot be degraded; they only accumulate in the soil, water bodies, and the environment for years.