Heavy metals in water pose significant risks to human health and the environment. Understanding their impact and how to handle them is crucial for ensuring safe and clean water supplies. This article explores the sources of heavy metals common in water, their effects, testing methods, and effective strategies for removal. What are Heavy Metals Heavy metals are a group of metals and metalloids with relatively high density, hence the name ‘heavy.’ Some of the most common metals are lead, mercury, tin, and silver, which serve in several applications. Because of their predominance, it is common to find heavy metals in various