If we drink polluted water with it may contain bacteria, viruses, fungi and parasites which cause diseases like cholera, diarrhoea, typhoid and jaundice. Also water contaminated by faecal matter can cause various infections.

Some kinds of reproductive problems, like infertility or cancer like leukemia can happen after drinking polluted water for a long period of time. If you drink water richly in calcium and magnesium can cause stones in kidney