Lead Lead is heavy metal water pollution. It may cause many health problem when it is inhaled with water. It enters in our body and cause many health problems to human life. Causes Major causes are as follows; 1. Lead pipes in sewage system In our houses, if sewage system uses pipes made up of lead then it would be one cause of lead poisoning in water. When drinking water pass out from these pipes, lead mixed with water and inhaled by us while drinking water. 2. Aerator In aerator, debris and lead may produce which may effect the human life 3. Industrial activities Lead is found in paints, printing, welding works and auto mechanic industries etc are major source of lead. Besides industries, mining is also source of lead in +2 oxidation state. 4. In atmosphere Lead exists in form of PbSO⁴ and PbCO³. 5. Galena (PbS) Galena also adds lead to water. 6. Gasoline Leaded gasoline is also source of lead that adds into water...